diff --git a/dist/skifree.js b/dist/skifree.js index 761570a..7b937e0 100644 --- a/dist/skifree.js +++ b/dist/skifree.js @@ -1,6082 +1,317 @@ -(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 2) {\n this.spriteVersion = 0.1;\n } else {\n this.spriteVersion += 0.1;\n }\n\n if (xDiff >= 0) {\n return 'sEast' + Math.ceil(this.spriteVersion);\n } else if (xDiff < 0) {\n return 'sWest' + Math.ceil(this.spriteVersion);\n }\n };\n\n return _get(_getPrototypeOf(Monster.prototype), \"draw\", this).call(this, dContext, spritePartToUse());\n }\n }, {\n key: \"startEating\",\n value: function (_startEating) {\n function startEating(_x) {\n return _startEating.apply(this, arguments);\n }\n\n startEating.toString = function () {\n return _startEating.toString();\n };\n\n return startEating;\n }(function (whenDone) {\n this.eatingStage += 1;\n this.isEating = true;\n this.isMoving = false;\n\n if (eatingStage < 6) {\n setTimeout(function () {\n startEating(whenDone);\n }, 300);\n } else {\n eatingStage = 0;\n this.isEating = false;\n this.isMoving = true;\n whenDone();\n }\n })\n }]);\n\n return Monster;\n}(_sprite__WEBPACK_IMPORTED_MODULE_0__[\"default\"]);\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (Monster);\n\n//# sourceURL=webpack:///./js/lib/monster.js?"); + +/***/ }), + +/***/ "./js/lib/plugins.js": +/*!***************************!*\ + !*** ./js/lib/plugins.js ***! + \***************************/ +/*! no static exports found */ +/***/ (function(module, exports) { + +eval("// Avoid `console` errors in browsers that lack a console.\n(function () {\n var method;\n\n var noop = function noop() {};\n\n var methods = ['assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error', 'exception', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log', 'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd', 'timeStamp', 'trace', 'warn'];\n var length = methods.length;\n var console = window.console = window.console || {};\n\n while (length--) {\n method = methods[length]; // Only stub undefined methods.\n\n if (!console[method]) {\n console[method] = noop;\n }\n }\n})();\n\n//# sourceURL=webpack:///./js/lib/plugins.js?"); + +/***/ }), - this.images[key] = image; -}; +/***/ "./js/lib/skier.js": +/*!*************************!*\ + !*** ./js/lib/skier.js ***! + \*************************/ +/*! exports provided: default */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -CanvasRenderingContext2D.prototype.getLoadedImage = function (key) { - if (this.images[key]) { - return this.images[key]; - } -}; +"use strict"; +eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var _sprite__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./sprite */ \"./js/lib/sprite.js\");\nfunction _typeof(obj) { if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _get(target, property, receiver) { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }\n\nfunction _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\n\n\nif (typeof navigator !== 'undefined') {\n navigator.vibrate = navigator.vibrate || navigator.webkitVibrate || navigator.mozVibrate || navigator.msVibrate;\n} else {\n navigator = {\n vibrate: false\n };\n}\n\nvar Skier =\n/*#__PURE__*/\nfunction (_Sprite) {\n _inherits(Skier, _Sprite);\n\n function Skier(data) {\n var _this;\n\n _classCallCheck(this, Skier);\n\n _this = _possibleConstructorReturn(this, _getPrototypeOf(Skier).call(this, data));\n _this.discreteDirections = {\n 'west': 270,\n 'wsWest': 240,\n 'sWest': 195,\n 'south': 180,\n 'sEast': 165,\n 'esEast': 120,\n 'east': 90\n };\n _this.sup = {\n draw: _this.superior('draw'),\n cycle: _this.superior('cycle'),\n getSpeedX: _this.superior('getSpeedX'),\n getSpeedY: _this.superior('getSpeedY'),\n hits: _this.superior('hits')\n };\n _this.directions = {\n esEast: function esEast(xDiff) {\n return xDiff > 300;\n },\n sEast: function sEast(xDiff) {\n return xDiff > 75;\n },\n wsWest: function wsWest(xDiff) {\n return xDiff < -300;\n },\n sWest: function sWest(xDiff) {\n return xDiff < -75;\n }\n };\n _this.cancelableStateTimeout;\n _this.cancelableStateInterval;\n _this.canSpeedBoost = true;\n _this.obstaclesHit = [];\n _this.pixelsTravelled = 0;\n _this.standardSpeed = 5;\n _this.boostMultiplier = 2;\n _this.turnEaseCycles = 70;\n _this.speedX = 0;\n _this.speedXFactor = 0;\n _this.speedY = 0;\n _this.speedYFactor = 1;\n _this.trickStep = 0; // There are three of these\n\n _this.isMoving = true;\n _this.hasBeenHit = false;\n _this.isJumping = false;\n _this.isPerformingTrick = false;\n\n _this.onHitObstacleCb = function () {};\n\n _this.setSpeed(_this.standardSpeed);\n\n return _this;\n }\n\n _createClass(Skier, [{\n key: \"reset\",\n value: function reset() {\n this.obstaclesHit = [];\n this.pixelsTravelled = 0;\n this.isMoving = true;\n this.hasBeenHit = false;\n this.canSpeedBoost = true;\n this.setNormal();\n }\n }, {\n key: \"setNormal\",\n value: function setNormal() {\n // console.log('back to normal')\n this.setSpeed(this.standardSpeed);\n this.isMoving = true;\n this.hasBeenHit = false;\n this.isJumping = false;\n this.isPerformingTrick = false;\n\n if (this.cancelableStateInterval) {\n this.clearInterval(this.cancelableStateInterval);\n }\n\n this.setMapPosition(undefined, undefined, 0);\n }\n }, {\n key: \"setCrashed\",\n value: function setCrashed() {\n this.isMoving = false;\n this.hasBeenHit = true;\n this.isJumping = false;\n this.isPerformingTrick = false;\n\n if (this.cancelableStateInterval) {\n clearInterval(this.cancelableStateInterval);\n }\n\n this.setMapPosition(undefined, undefined, 0);\n }\n }, {\n key: \"setJumping\",\n value: function setJumping() {\n var currentSpeed = this.getSpeed();\n this.setSpeed(currentSpeed + 2);\n this.setSpeedY(currentSpeed + 2);\n this.isMoving = true;\n this.hasBeenHit = false;\n this.isJumping = true;\n this.setMapPosition(undefined, undefined, 1);\n }\n }, {\n key: \"getDiscreteDirection\",\n value: function getDiscreteDirection() {\n if (this.direction) {\n if (this.direction <= 90) {\n return 'east';\n } else if (this.direction > 90 && this.direction < 150) {\n return 'esEast';\n } else if (this.direction >= 150 && this.direction < 180) {\n return 'sEast';\n } else if (this.direction === 180) {\n return 'south';\n } else if (this.direction > 180 && this.direction <= 210) {\n return 'sWest';\n } else if (this.direction > 210 && this.direction < 270) {\n return 'wsWest';\n } else if (this.direction >= 270) {\n return 'west';\n } else {\n return 'south';\n }\n } else {\n var xDiff = this.movingToward[0] - this.mapPosition[0];\n var yDiff = this.movingToward[1] - this.mapPosition[1];\n\n if (yDiff <= 0) {\n if (xDiff > 0) {\n return 'east';\n } else {\n return 'west';\n }\n }\n\n if (this.directions.esEast(xDiff)) {\n return 'esEast';\n } else if (this.directions.sEast(xDiff)) {\n return 'sEast';\n } else if (this.directions.wsWest(xDiff)) {\n return 'wsWest';\n } else if (this.directions.sWest(xDiff)) {\n return 'sWest';\n }\n }\n\n return 'south';\n }\n }, {\n key: \"setDiscreteDirection\",\n value: function setDiscreteDirection(d) {\n if (this.discreteDirections[d]) {\n this.setDirection(this.discreteDirections[d]);\n }\n\n if (d === 'west' || d === 'east') {\n this.isMoving = false;\n } else {\n this.isMoving = true;\n }\n }\n }, {\n key: \"getBeingEatenSprite\",\n value: function getBeingEatenSprite() {\n return 'blank';\n }\n }, {\n key: \"getJumpingSprite\",\n value: function getJumpingSprite() {\n return 'jumping';\n }\n }, {\n key: \"getTrickSprite\",\n value: function getTrickSprite() {\n console.log('Trick step is', this.trickStep);\n\n if (this.trickStep === 0) {\n return 'jumping';\n } else if (this.trickStep === 1) {\n return 'somersault1';\n } else {\n return 'somersault2';\n }\n }\n }, {\n key: \"stop\",\n value: function stop() {\n if (this.direction > 180) {\n this.setDiscreteDirection('west');\n } else {\n this.setDiscreteDirection('east');\n }\n }\n }, {\n key: \"turnEast\",\n value: function turnEast() {\n var discreteDirection = this.getDiscreteDirection();\n\n switch (discreteDirection) {\n case 'west':\n this.setDiscreteDirection('wsWest');\n break;\n\n case 'wsWest':\n this.setDiscreteDirection('sWest');\n break;\n\n case 'sWest':\n this.setDiscreteDirection('south');\n break;\n\n case 'south':\n this.setDiscreteDirection('sEast');\n break;\n\n case 'sEast':\n this.setDiscreteDirection('esEast');\n break;\n\n case 'esEast':\n this.setDiscreteDirection('east');\n break;\n\n default:\n this.setDiscreteDirection('south');\n break;\n }\n }\n }, {\n key: \"turnWest\",\n value: function turnWest() {\n var discreteDirection = this.getDiscreteDirection();\n\n switch (discreteDirection) {\n case 'east':\n this.setDiscreteDirection('esEast');\n break;\n\n case 'esEast':\n this.setDiscreteDirection('sEast');\n break;\n\n case 'sEast':\n this.setDiscreteDirection('south');\n break;\n\n case 'south':\n this.setDiscreteDirection('sWest');\n break;\n\n case 'sWest':\n this.setDiscreteDirection('wsWest');\n break;\n\n case 'wsWest':\n this.setDiscreteDirection('west');\n break;\n\n default:\n this.setDiscreteDirection('south');\n break;\n }\n }\n }, {\n key: \"stepWest\",\n value: function stepWest() {\n this.mapPosition[0] -= this.speed * 2;\n }\n }, {\n key: \"stepEast\",\n value: function stepEast() {\n this.mapPosition[0] += this.speed * 2;\n }\n }, {\n key: \"setMapPositionTarget\",\n value: function setMapPositionTarget(x, y) {\n if (this.hasBeenHit) return;\n\n if (Math.abs(this.mapPosition[0] - x) <= 75) {\n x = this.mapPosition[0];\n }\n\n this.movingToward = [x, y]; // this.resetDirection();\n }\n }, {\n key: \"startMovingIfPossible\",\n value: function startMovingIfPossible() {\n if (!this.hasBeenHit && !this.isBeingEaten) {\n this.isMoving = true;\n }\n }\n }, {\n key: \"setTurnEaseCycles\",\n value: function setTurnEaseCycles(c) {\n this.turnEaseCycles = c;\n }\n }, {\n key: \"getPixelsTravelledDownMountain\",\n value: function getPixelsTravelledDownMountain() {\n return this.pixelsTravelled;\n }\n }, {\n key: \"resetSpeed\",\n value: function resetSpeed() {\n this.setSpeed(this.standardSpeed);\n }\n }, {\n key: \"cycle\",\n value: function cycle() {\n if (this.getSpeedX() <= 0 && this.getSpeedY() <= 0) {\n this.isMoving = false;\n }\n\n if (this.isMoving) {\n this.pixelsTravelled += this.speed;\n }\n\n if (this.isJumping) {\n this.setMapPositionTarget(undefined, this.mapPosition[1] + this.getSpeed());\n }\n\n _get(_getPrototypeOf(Skier.prototype), \"cycle\", this).call(this);\n\n this.checkHittableObjects();\n }\n }, {\n key: \"draw\",\n value: function draw(dContext) {\n var _this2 = this;\n\n var spritePartToUse = function spritePartToUse() {\n if (_this2.isBeingEaten) {\n return getBeingEatenSprite();\n }\n\n if (_this2.isJumping) {\n if (_this2.isPerformingTrick) {\n return getTrickSprite();\n }\n\n return getJumpingSprite();\n }\n\n if (_this2.hasBeenHit) {\n return 'hit';\n }\n\n return _this2.getDiscreteDirection();\n };\n\n return _get(_getPrototypeOf(Skier.prototype), \"draw\", this).call(this, dContext, spritePartToUse());\n }\n }, {\n key: \"hits\",\n value: function hits(obs) {\n if (this.obstaclesHit.indexOf(obs.id) !== -1) {\n return false;\n }\n\n if (!obs.occupiesZIndex(this.mapPosition[2])) {\n return false;\n }\n\n if (_get(_getPrototypeOf(Skier.prototype), \"hits\", this).call(this, obs)) {\n return true;\n }\n\n return false;\n }\n }, {\n key: \"speedBoost\",\n value: function speedBoost() {\n var _this3 = this;\n\n var originalSpeed = this.speed;\n\n if (this.canSpeedBoost) {\n this.canSpeedBoost = false;\n this.setSpeed(this.speed * this.boostMultiplier);\n setTimeout(function () {\n _this3.setSpeed(originalSpeed);\n\n setTimeout(function () {\n _this3.canSpeedBoost = true;\n }, 10000);\n }, 2000);\n }\n }\n }, {\n key: \"attemptTrick\",\n value: function attemptTrick() {\n var _this4 = this;\n\n if (this.isJumping) {\n this.isPerformingTrick = true;\n this.cancelableStateInterval = setInterval(function () {\n if (_this4.trickStep >= 2) {\n _this4.trickStep = 0;\n } else {\n _this4.trickStep += 1;\n }\n }, 300);\n }\n }\n }, {\n key: \"getStandardSpeed\",\n value: function getStandardSpeed() {\n return this.standardSpeed;\n }\n }, {\n key: \"easeSpeedToTargetUsingFactor\",\n value: function easeSpeedToTargetUsingFactor(sp, targetSpeed, f) {\n if (f === 0 || f === 1) {\n return targetSpeed;\n }\n\n if (sp < targetSpeed) {\n sp += this.getSpeed() * (f / this.turnEaseCycles);\n }\n\n if (sp > targetSpeed) {\n sp -= this.getSpeed() * (f / this.turnEaseCycles);\n }\n\n return sp;\n }\n }, {\n key: \"getSpeedX\",\n value: function getSpeedX() {\n if (this.getDiscreteDirection() === 'esEast' || this.getDiscreteDirection() === 'wsWest') {\n this.speedXFactor = 0.5;\n this.speedX = this.easeSpeedToTargetUsingFactor(this.speedX, this.getSpeed() * this.speedXFactor, this.speedXFactor);\n return this.speedX;\n }\n\n if (this.getDiscreteDirection() === 'sEast' || this.getDiscreteDirection() === 'sWest') {\n this.speedXFactor = 0.33;\n this.speedX = this.easeSpeedToTargetUsingFactor(this.speedX, this.getSpeed() * this.speedXFactor, this.speedXFactor);\n return this.speedX;\n } // So it must be south\n\n\n this.speedX = this.easeSpeedToTargetUsingFactor(this.speedX, 0, this.speedXFactor);\n return this.speedX;\n }\n }, {\n key: \"setSpeedY\",\n value: function setSpeedY(sy) {\n this.speedY = sy;\n }\n }, {\n key: \"getSpeedY\",\n value: function getSpeedY() {\n var targetSpeed;\n\n if (this.isJumping) {\n return this.speedY;\n }\n\n if (this.getDiscreteDirection() === 'esEast' || this.getDiscreteDirection() === 'wsWest') {\n this.speedYFactor = 0.6;\n this.speedY = this.easeSpeedToTargetUsingFactor(this.speedY, this.getSpeed() * 0.6, 0.6);\n return this.speedY;\n }\n\n if (this.getDiscreteDirection() === 'sEast' || this.getDiscreteDirection() === 'sWest') {\n this.speedYFactor = 0.85;\n this.speedY = this.easeSpeedToTargetUsingFactor(this.speedY, this.getSpeed() * 0.85, 0.85);\n return this.speedY;\n }\n\n if (this.getDiscreteDirection() === 'east' || this.getDiscreteDirection() === 'west') {\n this.speedYFactor = 1;\n this.speedY = 0;\n return this.speedY;\n } // So it must be south\n\n\n this.speedY = this.easeSpeedToTargetUsingFactor(this.speedY, this.getSpeed(), this.speedYFactor);\n return this.speedY;\n }\n }, {\n key: \"hasHitObstacle\",\n value: function hasHitObstacle(obs) {\n var _this5 = this;\n\n this.setCrashed();\n\n if (navigator.vibrate) {\n navigator.vibrate(500);\n }\n\n this.obstaclesHit.push(obs.id);\n this.resetSpeed();\n this.onHitObstacleCb(obs);\n\n if (this.cancelableStateTimeout) {\n clearTimeout(this.cancelableStateTimeout);\n }\n\n this.cancelableStateTimeout = setTimeout(function () {\n _this5.setNormal();\n }, 1500);\n }\n }, {\n key: \"hasHitJump\",\n value: function hasHitJump() {\n var _this6 = this;\n\n this.setJumping();\n\n if (this.cancelableStateTimeout) {\n clearTimeout(this.cancelableStateTimeout);\n }\n\n this.cancelableStateTimeout = setTimeout(function () {\n _this6.setNormal();\n }, 1000);\n }\n }, {\n key: \"isEatenBy\",\n value: function isEatenBy(monster, whenEaten) {\n this.hasHitObstacle(monster);\n monster.startEating(whenEaten);\n this.obstaclesHit.push(monster.id);\n this.isMoving = false;\n this.isBeingEaten = true;\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this.obstaclesHit = [];\n this.pixelsTravelled = 0;\n this.isMoving = true;\n this.isJumping = false;\n this.hasBeenHit = false;\n this.canSpeedBoost = true;\n }\n }, {\n key: \"setHitObstacleCb\",\n value: function setHitObstacleCb(fn) {\n this.onHitObstacleCb = fn || function () {};\n }\n }]);\n\n return Skier;\n}(_sprite__WEBPACK_IMPORTED_MODULE_0__[\"default\"]);\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (Skier);\n\n//# sourceURL=webpack:///./js/lib/skier.js?"); -CanvasRenderingContext2D.prototype.followSprite = function (sprite) { - this.centralSprite = sprite; -}; +/***/ }), -CanvasRenderingContext2D.prototype.getCentralPosition = function () { - return { - map: this.centralSprite.mapPosition, - canvas: [ Math.round(this.canvas.width * 0.5), Math.round(this.canvas.height * 0.5), 0] - }; -}; +/***/ "./js/lib/snowboarder.js": +/*!*******************************!*\ + !*** ./js/lib/snowboarder.js ***! + \*******************************/ +/*! exports provided: default */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -CanvasRenderingContext2D.prototype.mapPositionToCanvasPosition = function (position) { - var central = this.getCentralPosition(); - var centralMapPosition = central.map; - var centralCanvasPosition = central.canvas; - var mapDifferenceX = centralMapPosition[0] - position[0]; - var mapDifferenceY = centralMapPosition[1] - position[1]; - return [ centralCanvasPosition[0] - mapDifferenceX, centralCanvasPosition[1] - mapDifferenceY ]; -}; +"use strict"; +eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var _sprite__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./sprite */ \"./js/lib/sprite.js\");\nfunction _typeof(obj) { if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _get(target, property, receiver) { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }\n\nfunction _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\n\n\nvar Snowboarder =\n/*#__PURE__*/\nfunction (_Sprite) {\n _inherits(Snowboarder, _Sprite);\n\n function Snowboarder(data) {\n var _this;\n\n _classCallCheck(this, Snowboarder);\n\n _this = _possibleConstructorReturn(this, _getPrototypeOf(Snowboarder).call(this, data));\n _this.directions = {\n sEast: function sEast(xDiff) {\n return xDiff > 0;\n },\n sWest: function sWest(xDiff) {\n return xDiff <= 0;\n }\n };\n var standardSpeed = 3;\n\n _this.setSpeed(standardSpeed);\n\n return _this;\n }\n\n _createClass(Snowboarder, [{\n key: \"getDirection\",\n value: function getDirection() {\n var xDiff = this.movingToward[0] - this.mapPosition[0];\n\n if (this.directions.sEast(xDiff)) {\n return 'sEast';\n } else {\n return 'sWest';\n }\n }\n }, {\n key: \"cycle\",\n value: function cycle(dContext) {\n if (Number.random(10) === 1) {\n this.setMapPositionTarget(dContext.getRandomlyInTheCentreOfMap());\n this.setSpeed(this.standardSpeed + Number.random(-1, 1));\n }\n\n this.setMapPositionTarget(undefined, dContext.getMapBelowViewport() + 600);\n\n _get(_getPrototypeOf(Snowboarder.prototype), \"cycle\", this).call(this);\n }\n }, {\n key: \"draw\",\n value: function draw(dContext) {\n return _get(_getPrototypeOf(Snowboarder.prototype), \"draw\", this).call(this, dContext, this.getDirection());\n }\n }]);\n\n return Snowboarder;\n}(_sprite__WEBPACK_IMPORTED_MODULE_0__[\"default\"]);\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (Snowboarder);\n\n//# sourceURL=webpack:///./js/lib/snowboarder.js?"); -CanvasRenderingContext2D.prototype.canvasPositionToMapPosition = function (position) { - var central = this.getCentralPosition(); - var centralMapPosition = central.map; - var centralCanvasPosition = central.canvas; - var mapDifferenceX = centralCanvasPosition[0] - position[0]; - var mapDifferenceY = centralCanvasPosition[1] - position[1]; - return [ centralMapPosition[0] - mapDifferenceX, centralMapPosition[1] - mapDifferenceY ]; -}; +/***/ }), -CanvasRenderingContext2D.prototype.getCentreOfViewport = function () { - return (this.canvas.width / 2).floor(); -}; +/***/ "./js/lib/sprite.js": +/*!**************************!*\ + !*** ./js/lib/sprite.js ***! + \**************************/ +/*! exports provided: default */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -// Y-pos canvas functions -CanvasRenderingContext2D.prototype.getMiddleOfViewport = function () { - return (this.canvas.height / 2).floor(); -}; +"use strict"; +eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var _guid__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./guid */ \"./js/lib/guid.js\");\n/* harmony import */ var _guid__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_guid__WEBPACK_IMPORTED_MODULE_0__);\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\n\n\nvar Sprite =\n/*#__PURE__*/\nfunction () {\n function Sprite(data) {\n _classCallCheck(this, Sprite);\n\n this.data = data || {\n parts: {}\n };\n this.hittableObjects = {};\n this.zIndexesOccupied = [0];\n this.trackedSpriteToMoveToward;\n this.direction = undefined;\n this.mapPosition = [0, 0, 0];\n this.id = _guid__WEBPACK_IMPORTED_MODULE_0___default()();\n this.canvasX = 0;\n this.canvasY = 0;\n this.canvasZ = 0;\n this.height = 0;\n this.speed = 0;\n this.movingToward = [0, 0];\n this.metresDownTheMountain = 0;\n this.movingWithConviction = false;\n this.deleted = false;\n this.maxHeight = Object.values(this.data.parts).map(function (p) {\n return p[3];\n }).max();\n this.isMoving = true;\n\n if (!this.data.parts) {\n this.data.parts = {};\n }\n\n if (this.data && this.data.id) {\n this.id = this.data.id;\n }\n\n if (this.data && this.data.zIndexesOccupied) {\n this.zIndexesOccupied = this.data.zIndexesOccupied;\n }\n }\n\n _createClass(Sprite, [{\n key: \"incrementX\",\n value: function incrementX(amount) {\n this.canvasX += amount.toNumber();\n }\n }, {\n key: \"incrementY\",\n value: function incrementY(amount) {\n this.canvasY += amount.toNumber();\n }\n }, {\n key: \"getHitBox\",\n value: function getHitBox(forZIndex) {\n if (this.data.hitBoxes) {\n if (this.data.hitBoxes[forZIndex]) {\n return this.data.hitBoxes[forZIndex];\n }\n }\n }\n }, {\n key: \"roundHalf\",\n value: function roundHalf(num) {\n num = Math.round(num * 2) / 2;\n return num;\n }\n }, {\n key: \"move\",\n value: function move() {\n if (!this.isMoving) {\n return;\n }\n\n var currentX = this.mapPosition[0];\n var currentY = this.mapPosition[1];\n\n if (typeof this.direction !== 'undefined') {\n // For this we need to modify the this.direction so it relates to the horizontal\n var d = this.direction - 90;\n if (d < 0) d = 360 + d;\n currentX += this.roundHalf(this.speed * Math.cos(d * (Math.PI / 180)));\n currentY += this.roundHalf(this.speed * Math.sin(d * (Math.PI / 180)));\n } else {\n if (typeof this.movingToward[0] !== 'undefined') {\n if (currentX > this.movingToward[0]) {\n currentX -= Math.min(this.getSpeedX(), Math.abs(currentX - this.movingToward[0]));\n } else if (currentX < this.movingToward[0]) {\n currentX += Math.min(this.getSpeedX(), Math.abs(currentX - this.movingToward[0]));\n }\n }\n\n if (typeof this.movingToward[1] !== 'undefined') {\n if (currentY > this.movingToward[1]) {\n currentY -= Math.min(this.getSpeedY(), Math.abs(currentY - this.movingToward[1]));\n } else if (currentY < this.movingToward[1]) {\n currentY += Math.min(this.getSpeedY(), Math.abs(currentY - this.movingToward[1]));\n }\n }\n }\n\n this.setMapPosition(currentX, currentY);\n }\n }, {\n key: \"draw\",\n value: function draw(dCtx, spriteFrame) {\n var fr = this.data.parts[spriteFrame];\n this.height = fr[3];\n this.width = fr[2];\n var newCanvasPosition = dCtx.mapPositionToCanvasPosition(this.mapPosition);\n this.setCanvasPosition(newCanvasPosition[0], newCanvasPosition[1]);\n dCtx.drawImage(dCtx.getLoadedImage(this.data.$imageFile), fr[0], fr[1], fr[2], fr[3], this.canvasX, this.canvasY, fr[2], fr[3]);\n }\n }, {\n key: \"setMapPosition\",\n value: function setMapPosition(x, y, z) {\n if (typeof x === 'undefined') {\n x = this.mapPosition[0];\n }\n\n if (typeof y === 'undefined') {\n y = this.mapPosition[1];\n }\n\n if (typeof z === 'undefined') {\n z = this.mapPosition[2];\n } else {\n this.zIndexesOccupied = [z];\n }\n\n this.mapPosition = [x, y, z];\n }\n }, {\n key: \"setCanvasPosition\",\n value: function setCanvasPosition(cx, cy) {\n if (cx) {\n if (Object.isString(cx) && (cx.first() === '+' || cx.first() === '-')) this.incrementX(cx);else this.canvasX = cx;\n }\n\n if (cy) {\n if (Object.isString(cy) && (cy.first() === '+' || cy.first() === '-')) this.incrementY(cy);else this.canvasY = cy;\n }\n }\n }, {\n key: \"getCanvasPositionX\",\n value: function getCanvasPositionX() {\n return this.canvasX;\n }\n }, {\n key: \"getCanvasPositionY\",\n value: function getCanvasPositionY() {\n return this.canvasY;\n }\n }, {\n key: \"getLeftHitBoxEdge\",\n value: function getLeftHitBoxEdge(zIndex) {\n zIndex = zIndex || 0;\n var lhbe = this.getCanvasPositionX();\n\n if (this.getHitBox(zIndex)) {\n lhbe += this.getHitBox(zIndex)[0];\n }\n\n return lhbe;\n }\n }, {\n key: \"getTopHitBoxEdge\",\n value: function getTopHitBoxEdge(zIndex) {\n zIndex = zIndex || 0;\n var thbe = this.getCanvasPositionY();\n\n if (this.getHitBox(zIndex)) {\n thbe += this.getHitBox(zIndex)[1];\n }\n\n return thbe;\n }\n }, {\n key: \"getRightHitBoxEdge\",\n value: function getRightHitBoxEdge(zIndex) {\n zIndex = zIndex || 0;\n\n if (this.getHitBox(zIndex)) {\n return this.canvasX + this.getHitBox(zIndex)[2];\n }\n\n return this.canvasX + this.width;\n }\n }, {\n key: \"getBottomHitBoxEdge\",\n value: function getBottomHitBoxEdge(zIndex) {\n zIndex = zIndex || 0;\n\n if (this.getHitBox(zIndex)) {\n return this.canvasY + this.getHitBox(zIndex)[3];\n }\n\n return this.canvasY + this.height;\n }\n }, {\n key: \"getPositionInFrontOf\",\n value: function getPositionInFrontOf() {\n return [this.canvasX, this.canvasY + this.height];\n }\n }, {\n key: \"setSpeed\",\n value: function setSpeed(s) {\n this.speed = s;\n this.speedX = s;\n this.speedY = s;\n }\n }, {\n key: \"incrementSpeedBy\",\n value: function incrementSpeedBy(s) {\n this.speed += s;\n }\n }, {\n key: \"getSpeed\",\n value: function getSpeed() {\n return this.speed;\n }\n }, {\n key: \"getSpeedX\",\n value: function getSpeedX() {\n return this.speed;\n }\n }, {\n key: \"getSpeedY\",\n value: function getSpeedY() {\n return this.speed;\n }\n }, {\n key: \"setHeight\",\n value: function setHeight(h) {\n this.height = h;\n }\n }, {\n key: \"setWidth\",\n value: function setWidth(w) {\n this.width = w;\n }\n }, {\n key: \"getMaxHeight\",\n value: function getMaxHeight() {\n return this.maxHeight;\n }\n }, {\n key: \"getMovingTowardOpposite\",\n value: function getMovingTowardOpposite() {\n if (!this.isMoving) {\n return [0, 0];\n }\n\n var dx = this.movingToward[0] - this.mapPosition[0];\n var dy = this.movingToward[1] - this.mapPosition[1];\n var oppositeX = Math.abs(dx) > 75 ? 0 - dx : 0;\n var oppositeY = -dy;\n return [oppositeX, oppositeY];\n }\n }, {\n key: \"checkHittableObjects\",\n value: function checkHittableObjects() {\n var _this = this;\n\n Object.keys(this.hittableObjects, function (k, objectData) {\n if (objectData.object.deleted) {\n delete _this.hittableObjects[k];\n } else {\n if (objectData.object.hits(_this)) {\n objectData.callbacks.each(function (callback) {\n callback(this, objectData.object);\n });\n }\n }\n });\n }\n }, {\n key: \"cycle\",\n value: function cycle() {\n this.checkHittableObjects();\n\n if (this.trackedSpriteToMoveToward) {\n this.setMapPositionTarget(this.trackedSpriteToMoveToward.mapPosition[0], this.trackedSpriteToMoveToward.mapPosition[1], true);\n }\n\n this.move();\n }\n }, {\n key: \"setMapPositionTarget\",\n value: function setMapPositionTarget(x, y, override) {\n if (override) {\n this.movingWithConviction = false;\n }\n\n if (!this.movingWithConviction) {\n if (typeof x === 'undefined') {\n x = this.movingToward[0];\n }\n\n if (typeof y === 'undefined') {\n y = this.movingToward[1];\n }\n\n this.movingToward = [x, y];\n this.movingWithConviction = false;\n } // this.resetDirection();\n\n }\n }, {\n key: \"setDirection\",\n value: function setDirection(angle) {\n if (angle >= 360) {\n angle = 360 - angle;\n }\n\n this.direction = angle;\n this.movingToward = undefined;\n }\n }, {\n key: \"resetDirection\",\n value: function resetDirection() {\n this.direction = undefined;\n }\n }, {\n key: \"setMapPositionTargetWithConviction\",\n value: function setMapPositionTargetWithConviction(cx, cy) {\n this.setMapPositionTarget(cx, cy);\n this.movingWithConviction = true; // this.resetDirection();\n }\n }, {\n key: \"follow\",\n value: function follow(sprite) {\n this.trackedSpriteToMoveToward = sprite; // this.resetDirection();\n }\n }, {\n key: \"stopFollowing\",\n value: function stopFollowing() {\n this.trackedSpriteToMoveToward = false;\n }\n }, {\n key: \"onHitting\",\n value: function onHitting(objectToHit, callback) {\n if (this.hittableObjects[objectToHit.id]) {\n return this.hittableObjects[objectToHit.id].callbacks.push(callback);\n }\n\n this.hittableObjects[objectToHit.id] = {\n object: objectToHit,\n callbacks: [callback]\n };\n }\n }, {\n key: \"deleteOnNextCycle\",\n value: function deleteOnNextCycle() {\n this.deleted = true;\n }\n }, {\n key: \"occupiesZIndex\",\n value: function occupiesZIndex(z) {\n return this.zIndexesOccupied.indexOf(z) >= 0;\n }\n }, {\n key: \"hits\",\n value: function hits(other) {\n var verticalIntersect = false;\n var horizontalIntersect = false; // Test this.THIS has a bottom edge inside of the other object\n\n if (other.getTopHitBoxEdge(this.mapPosition[2]) <= this.getBottomHitBoxEdge(this.mapPosition[2]) && other.getBottomHitBoxEdge(this.mapPosition[2]) >= this.getBottomHitBoxEdge(this.mapPosition[2])) {\n verticalIntersect = true;\n } // Test this.THIS has a top edge inside of the other object\n\n\n if (other.getTopHitBoxEdge(this.mapPosition[2]) <= this.getTopHitBoxEdge(this.mapPosition[2]) && other.getBottomHitBoxEdge(this.mapPosition[2]) >= this.getTopHitBoxEdge(this.mapPosition[2])) {\n verticalIntersect = true;\n } // Test this.THIS has a right edge inside of the other object\n\n\n if (other.getLeftHitBoxEdge(this.mapPosition[2]) <= this.getRightHitBoxEdge(this.mapPosition[2]) && other.getRightHitBoxEdge(this.mapPosition[2]) >= this.getRightHitBoxEdge(this.mapPosition[2])) {\n horizontalIntersect = true;\n } // Test this.THIS has a left edge inside of the other object\n\n\n if (other.getLeftHitBoxEdge(this.mapPosition[2]) <= this.getLeftHitBoxEdge(this.mapPosition[2]) && other.getRightHitBoxEdge(this.mapPosition[2]) >= this.getLeftHitBoxEdge(this.mapPosition[2])) {\n horizontalIntersect = true;\n }\n\n return verticalIntersect && horizontalIntersect;\n }\n }, {\n key: \"isAboveOnCanvas\",\n value: function isAboveOnCanvas(cy) {\n return this.canvasY + this.height < cy;\n }\n }, {\n key: \"isBelowOnCanvas\",\n value: function isBelowOnCanvas(cy) {\n return this.canvasY > cy;\n }\n }]);\n\n return Sprite;\n}();\n\nSprite.createObjects = function createObjects(spriteInfoArray, opts) {\n if (!Array.isArray(spriteInfoArray)) spriteInfoArray = [spriteInfoArray];\n opts = Object.merge(opts, {\n rateModifier: 0,\n dropRate: 1,\n position: [0, 0]\n }, false, false);\n\n function createOne(spriteInfo) {\n var position = opts.position;\n\n if (Number.random(100 + opts.rateModifier) <= spriteInfo.dropRate) {\n var sprite = new Sprite(spriteInfo.sprite);\n sprite.setSpeed(0);\n\n if (Object.isFunction(position)) {\n position = position();\n }\n\n sprite.setMapPosition(position[0], position[1]);\n\n if (spriteInfo.sprite.hitBehaviour && spriteInfo.sprite.hitBehaviour.skier && opts.player) {\n sprite.onHitting(opts.player, spriteInfo.sprite.hitBehaviour.skier);\n }\n\n return sprite;\n }\n }\n\n var objects = spriteInfoArray.map(createOne).remove(undefined);\n return objects;\n};\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (Sprite);\n\n//# sourceURL=webpack:///./js/lib/sprite.js?"); -CanvasRenderingContext2D.prototype.getBelowViewport = function () { - return this.canvas.height.floor(); -}; +/***/ }), -CanvasRenderingContext2D.prototype.getMapBelowViewport = function () { - var below = this.getBelowViewport(); - return this.canvasPositionToMapPosition([ 0, below ])[1]; -}; +/***/ "./js/lib/spriteArray.js": +/*!*******************************!*\ + !*** ./js/lib/spriteArray.js ***! + \*******************************/ +/*! exports provided: default */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -CanvasRenderingContext2D.prototype.getRandomlyInTheCentreOfCanvas = function (buffer) { - var min = 0; - var max = this.canvas.width; +"use strict"; +eval("__webpack_require__.r(__webpack_exports__);\nfunction _typeof(obj) { if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _wrapNativeSuper(Class) { var _cache = typeof Map === \"function\" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== \"function\") { throw new TypeError(\"Super expression must either be null or a function\"); } if (typeof _cache !== \"undefined\") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }\n\nfunction isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _construct(Parent, args, Class) { if (isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }\n\nfunction _isNativeFunction(fn) { return Function.toString.call(fn).indexOf(\"[native code]\") !== -1; }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nvar SpriteArray =\n/*#__PURE__*/\nfunction (_Array) {\n _inherits(SpriteArray, _Array);\n\n function SpriteArray() {\n var _getPrototypeOf2;\n\n var _this;\n\n _classCallCheck(this, SpriteArray);\n\n for (var _len = arguments.length, items = new Array(_len), _key = 0; _key < _len; _key++) {\n items[_key] = arguments[_key];\n }\n\n _this = _possibleConstructorReturn(this, (_getPrototypeOf2 = _getPrototypeOf(SpriteArray)).call.apply(_getPrototypeOf2, [this].concat(items)));\n _this.pushHandlers = [];\n return _this;\n }\n\n _createClass(SpriteArray, [{\n key: \"onPush\",\n value: function onPush(f, retroactive) {\n this.pushHandlers.push(f);\n\n if (retroactive) {\n this.each(f);\n }\n }\n }, {\n key: \"push\",\n value: function push(obj) {\n Array.prototype.push.call(this, obj);\n this.pushHandlers.each(function (handler) {\n handler(obj);\n });\n }\n }, {\n key: \"cull\",\n value: function cull() {\n this.each(function (obj, i) {\n if (obj.deleted) {\n return delete this[i];\n }\n });\n }\n }]);\n\n return SpriteArray;\n}(_wrapNativeSuper(Array));\n\n/* harmony default export */ __webpack_exports__[\"default\"] = (SpriteArray); // (function (global) {\n// \tfunction SpriteArray() {\n// \t\tthis.pushHandlers = [];\n// \t\treturn this;\n// \t}\n// \tSpriteArray.prototype = Object.create(Array.prototype);\n// \tSpriteArray.prototype.onPush = function(f, retroactive) {\n// \t\tthis.pushHandlers.push(f);\n// \t\tif (retroactive) {\n// \t\t\tthis.each(f);\n// \t\t}\n// \t};\n// \tSpriteArray.prototype.push = function(obj) {\n// \t\tArray.prototype.push.call(this, obj);\n// \t\tthis.pushHandlers.each(function(handler) {\n// \t\t\thandler(obj);\n// \t\t});\n// \t};\n// \tSpriteArray.prototype.cull = function() {\n// \t\tthis.each(function (obj, i) {\n// \t\t\tif (obj.deleted) {\n// \t\t\t\treturn (delete this[i]);\n// \t\t\t}\n// \t\t});\n// \t};\n// \tglobal.spriteArray = SpriteArray;\n// })(this);\n// if (typeof module !== 'undefined') {\n// \tmodule.exports = this.spriteArray;\n// }\n\n//# sourceURL=webpack:///./js/lib/spriteArray.js?"); - if (buffer) { - min -= buffer; - max += buffer; - } +/***/ }), - return Number.random(min, max); -}; +/***/ "./js/main.js": +/*!********************!*\ + !*** ./js/main.js ***! + \********************/ +/*! no exports provided */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -CanvasRenderingContext2D.prototype.getRandomlyInTheCentreOfMap = function (buffer) { - var random = this.getRandomlyInTheCentreOfCanvas(buffer); - return this.canvasPositionToMapPosition([ random, 0 ])[0]; -}; +"use strict"; +eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var _lib_canvasRenderingContext2DExtensions__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./lib/canvasRenderingContext2DExtensions */ \"./js/lib/canvasRenderingContext2DExtensions.js\");\n/* harmony import */ var _lib_canvasRenderingContext2DExtensions__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_lib_canvasRenderingContext2DExtensions__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var _lib_extenders__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./lib/extenders */ \"./js/lib/extenders.js\");\n/* harmony import */ var _lib_extenders__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_lib_extenders__WEBPACK_IMPORTED_MODULE_1__);\n/* harmony import */ var _lib_plugins__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./lib/plugins */ \"./js/lib/plugins.js\");\n/* harmony import */ var _lib_plugins__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(_lib_plugins__WEBPACK_IMPORTED_MODULE_2__);\n/* harmony import */ var hammerjs__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! hammerjs */ \"./node_modules/hammerjs/hammer.js\");\n/* harmony import */ var hammerjs__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(hammerjs__WEBPACK_IMPORTED_MODULE_3__);\n/* harmony import */ var br_mousetrap__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! br-mousetrap */ \"./node_modules/br-mousetrap/mousetrap.js\");\n/* harmony import */ var br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(br_mousetrap__WEBPACK_IMPORTED_MODULE_4__);\n/* harmony import */ var _lib_isMobileDevice__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./lib/isMobileDevice */ \"./js/lib/isMobileDevice.js\");\n/* harmony import */ var _lib_isMobileDevice__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_lib_isMobileDevice__WEBPACK_IMPORTED_MODULE_5__);\n/* harmony import */ var _lib_monster__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ./lib/monster */ \"./js/lib/monster.js\");\n/* harmony import */ var _lib_sprite__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./lib/sprite */ \"./js/lib/sprite.js\");\n/* harmony import */ var _lib_snowboarder__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./lib/snowboarder */ \"./js/lib/snowboarder.js\");\n/* harmony import */ var _lib_skier__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./lib/skier */ \"./js/lib/skier.js\");\n/* harmony import */ var _lib_infoBox__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./lib/infoBox */ \"./js/lib/infoBox.js\");\n/* harmony import */ var _lib_infoBox__WEBPACK_IMPORTED_MODULE_10___default = /*#__PURE__*/__webpack_require__.n(_lib_infoBox__WEBPACK_IMPORTED_MODULE_10__);\n/* harmony import */ var _lib_game__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./lib/game */ \"./js/lib/game.js\");\n/* harmony import */ var _spriteInfo__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./spriteInfo */ \"./js/spriteInfo.js\");\n/* harmony import */ var _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(_spriteInfo__WEBPACK_IMPORTED_MODULE_12__);\n// Global dependencies which return no modules\n\n\n // External dependencies\n\n\n // Method modules\n\n // Game Objects\n\n\n\n\n\n\n // Local variables for starting the game\n\nvar mainCanvas = document.getElementById('skifree-canvas');\nvar dContext = mainCanvas.getContext('2d');\nvar imageSources = ['sprite-characters.png', 'skifree-objects.png'];\nvar infoBoxControls = 'Use the mouse or WASD to control the player';\nif (_lib_isMobileDevice__WEBPACK_IMPORTED_MODULE_5___default()()) infoBoxControls = 'Tap or drag on the piste to control the player';\n\nvar pixelsPerMetre = 18;\nvar distanceTravelledInMetres = 0;\nvar monsterDistanceThreshold = 2000;\nvar livesLeft = 5;\nvar highScore = 0;\nvar loseLifeOnObstacleHit = false;\nvar dropRates = {\n smallTree: 4,\n tallTree: 2,\n jump: 1,\n thickSnow: 1,\n rock: 1\n};\nif (localStorage.getItem('highScore')) highScore = localStorage.getItem('highScore');\n\nfunction loadImages(sources, next) {\n var loaded = 0;\n var images = {};\n\n function finish() {\n loaded += 1;\n\n if (loaded === sources.length) {\n next(images);\n }\n }\n\n sources.each(function (src) {\n var im = new Image();\n im.onload = finish;\n im.src = src;\n dContext.storeLoadedImage(src, im);\n });\n}\n\nfunction monsterHitsSkierBehaviour(monster, skier) {\n skier.isEatenBy(monster, function () {\n livesLeft -= 1;\n monster.isFull = true;\n monster.isEating = false;\n skier.isBeingEaten = false;\n monster.setSpeed(skier.getSpeed());\n monster.stopFollowing();\n var randomPositionAbove = dContext.getRandomMapPositionAboveViewport();\n monster.setMapPositionTarget(randomPositionAbove[0], randomPositionAbove[1]);\n });\n}\n\nfunction startNeverEndingGame(images) {\n var player;\n var startSign;\n var infoBox;\n var game;\n\n function resetGame() {\n distanceTravelledInMetres = 0;\n livesLeft = 5;\n highScore = localStorage.getItem('highScore');\n game.reset();\n game.addStaticObject(startSign);\n }\n\n function detectEnd() {\n if (!game.isPaused()) {\n highScore = localStorage.setItem('highScore', distanceTravelledInMetres);\n infoBox.setLines(['Game over!', 'Hit space to restart']);\n game.pause();\n game.cycle();\n }\n }\n\n function randomlySpawnNPC(spawnFunction, dropRate) {\n var rateModifier = Math.max(800 - mainCanvas.width, 0);\n\n if (Number.random(1000 + rateModifier) <= dropRate) {\n spawnFunction();\n }\n }\n\n function spawnMonster() {\n var newMonster = new _lib_monster__WEBPACK_IMPORTED_MODULE_6__[\"default\"](_spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.monster);\n var randomPosition = dContext.getRandomMapPositionAboveViewport();\n newMonster.setMapPosition(randomPosition[0], randomPosition[1]);\n newMonster.follow(player);\n newMonster.setSpeed(player.getStandardSpeed());\n newMonster.onHitting(player, monsterHitsSkierBehaviour);\n game.addMovingObject(newMonster, 'monster');\n }\n\n function spawnBoarder() {\n var newBoarder = new _lib_snowboarder__WEBPACK_IMPORTED_MODULE_8__[\"default\"](_spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.snowboarder);\n var randomPositionAbove = dContext.getRandomMapPositionAboveViewport();\n var randomPositionBelow = dContext.getRandomMapPositionBelowViewport();\n newBoarder.setMapPosition(randomPositionAbove[0], randomPositionAbove[1]);\n newBoarder.setMapPositionTarget(randomPositionBelow[0], randomPositionBelow[1]);\n newBoarder.onHitting(player, _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.snowboarder.hitBehaviour.skier);\n game.addMovingObject(newBoarder);\n }\n\n player = new _lib_skier__WEBPACK_IMPORTED_MODULE_9__[\"default\"](_spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.skier);\n player.setMapPosition(0, 0);\n player.setMapPositionTarget(0, -10);\n\n if (loseLifeOnObstacleHit) {\n player.setHitObstacleCb(function () {\n livesLeft -= 1;\n });\n }\n\n game = new _lib_game__WEBPACK_IMPORTED_MODULE_11__[\"default\"](mainCanvas, player);\n startSign = new _lib_sprite__WEBPACK_IMPORTED_MODULE_7__[\"default\"](_spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.signStart);\n game.addStaticObject(startSign);\n startSign.setMapPosition(-50, 0);\n dContext.followSprite(player);\n infoBox = new _lib_infoBox__WEBPACK_IMPORTED_MODULE_10___default.a({\n initialLines: ['SkiFree.js', infoBoxControls, 'Travelled 0m', 'High Score: ' + highScore, 'Skiers left: ' + livesLeft, 'Created by Dan Hough (@basicallydan)'],\n position: {\n top: 15,\n right: 10\n }\n });\n game.beforeCycle(function () {\n var newObjects = [];\n\n if (player.isMoving) {\n newObjects = _lib_sprite__WEBPACK_IMPORTED_MODULE_7__[\"default\"].createObjects([{\n sprite: _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.smallTree,\n dropRate: dropRates.smallTree\n }, {\n sprite: _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.tallTree,\n dropRate: dropRates.tallTree\n }, {\n sprite: _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.jump,\n dropRate: dropRates.jump\n }, {\n sprite: _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.thickSnow,\n dropRate: dropRates.thickSnow\n }, {\n sprite: _spriteInfo__WEBPACK_IMPORTED_MODULE_12___default.a.rock,\n dropRate: dropRates.rock\n }], {\n rateModifier: Math.max(800 - mainCanvas.width, 0),\n position: function position() {\n return dContext.getRandomMapPositionBelowViewport();\n },\n player: player\n });\n }\n\n if (!game.isPaused()) {\n game.addStaticObjects(newObjects);\n randomlySpawnNPC(spawnBoarder, 0.1);\n distanceTravelledInMetres = parseFloat(player.getPixelsTravelledDownMountain() / pixelsPerMetre).toFixed(1);\n\n if (distanceTravelledInMetres > monsterDistanceThreshold) {\n randomlySpawnNPC(spawnMonster, 0.001);\n }\n\n infoBox.setLines(['SkiFree.js', infoBoxControls, 'Travelled ' + distanceTravelledInMetres + 'm', 'Skiers left: ' + livesLeft, 'High Score: ' + highScore, 'Created by Dan Hough (@basicallydan)', 'Current Speed: ' + player.getSpeed()\n /*,\n 'Skier Map Position: ' + player.mapPosition[0].toFixed(1) + ', ' + player.mapPosition[1].toFixed(1),\n 'Mouse Map Position: ' + mouseMapPosition[0].toFixed(1) + ', ' + mouseMapPosition[1].toFixed(1)*/\n ]);\n }\n });\n game.afterCycle(function () {\n if (livesLeft === 0) {\n detectEnd();\n }\n });\n game.addUIElement(infoBox);\n $(mainCanvas).mousemove(function (e) {\n game.setMouseX(e.pageX);\n game.setMouseY(e.pageY);\n player.resetDirection();\n player.startMovingIfPossible();\n }).bind('click', function (e) {\n game.setMouseX(e.pageX);\n game.setMouseY(e.pageY);\n player.resetDirection();\n player.startMovingIfPossible();\n }).focus(); // So we can listen to events immediately\n\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind('f', player.speedBoost);\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind('t', player.attemptTrick);\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind(['w', 'up'], function () {\n player.stop();\n });\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind(['a', 'left'], function () {\n if (player.direction === 270) {\n player.stepWest();\n } else {\n player.turnWest();\n }\n });\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind(['s', 'down'], function () {\n player.setDirection(180);\n player.startMovingIfPossible();\n });\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind(['d', 'right'], function () {\n if (player.direction === 90) {\n player.stepEast();\n } else {\n player.turnEast();\n }\n });\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind('m', spawnMonster);\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind('b', spawnBoarder);\n br_mousetrap__WEBPACK_IMPORTED_MODULE_4___default.a.bind('space', resetGame);\n var hammertime = new hammerjs__WEBPACK_IMPORTED_MODULE_3___default.a(mainCanvas);\n hammertime.on('press', function (e) {\n e.preventDefault();\n game.setMouseX(e.gesture.center.x);\n game.setMouseY(e.gesture.center.y);\n });\n hammertime.on('tap', function (e) {\n game.setMouseX(e.gesture.center.x);\n game.setMouseY(e.gesture.center.y);\n });\n hammertime.on('pan', function (e) {\n game.setMouseX(e.gesture.center.x);\n game.setMouseY(e.gesture.center.y);\n player.resetDirection();\n player.startMovingIfPossible();\n });\n hammertime.on('doubletap', function (e) {\n player.speedBoost();\n });\n player.isMoving = false;\n player.setDirection(270);\n game.start();\n}\n\nfunction resizeCanvas() {\n mainCanvas.width = window.innerWidth;\n mainCanvas.height = window.innerHeight;\n}\n\nwindow.addEventListener('resize', resizeCanvas, false);\nresizeCanvas();\nloadImages(imageSources, startNeverEndingGame);\n\n//# sourceURL=webpack:///./js/main.js?"); -CanvasRenderingContext2D.prototype.getRandomMapPositionBelowViewport = function () { - var xCanvas = this.getRandomlyInTheCentreOfCanvas(); - var yCanvas = this.getBelowViewport(); - return this.canvasPositionToMapPosition([ xCanvas, yCanvas ]); -}; +/***/ }), -CanvasRenderingContext2D.prototype.getRandomMapPositionAboveViewport = function () { - var xCanvas = this.getRandomlyInTheCentreOfCanvas(); - var yCanvas = this.getAboveViewport(); - return this.canvasPositionToMapPosition([ xCanvas, yCanvas ]); -}; +/***/ "./js/spriteInfo.js": +/*!**************************!*\ + !*** ./js/spriteInfo.js ***! + \**************************/ +/*! no static exports found */ +/***/ (function(module, exports, __webpack_require__) { -CanvasRenderingContext2D.prototype.getTopOfViewport = function () { - return this.canvasPositionToMapPosition([ 0, 0 ])[1]; -}; +eval("(function (global) {\n var sprites = {\n 'skier': {\n $imageFile: 'sprite-characters.png',\n parts: {\n blank: [0, 0, 0, 0],\n east: [0, 0, 24, 34],\n esEast: [24, 0, 24, 34],\n sEast: [49, 0, 17, 34],\n south: [65, 0, 17, 34],\n sWest: [49, 37, 17, 34],\n wsWest: [24, 37, 24, 34],\n west: [0, 37, 24, 34],\n hit: [0, 78, 31, 31],\n jumping: [84, 0, 32, 34],\n somersault1: [116, 0, 32, 34],\n somersault2: [148, 0, 32, 34]\n },\n hitBoxes: {\n 0: [7, 20, 27, 34]\n },\n id: 'player',\n hitBehaviour: {}\n },\n 'smallTree': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [0, 28, 30, 34]\n },\n hitBoxes: {\n 0: [0, 18, 30, 34]\n },\n hitBehaviour: {}\n },\n 'tallTree': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [95, 66, 32, 64]\n },\n zIndexesOccupied: [0, 1],\n hitBoxes: {\n 0: [0, 54, 32, 64],\n 1: [0, 10, 32, 54]\n },\n hitBehaviour: {}\n },\n 'thickSnow': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [143, 53, 43, 10]\n },\n hitBehaviour: {}\n },\n 'rock': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [30, 52, 23, 11]\n },\n hitBehaviour: {}\n },\n 'monster': {\n $imageFile: 'sprite-characters.png',\n parts: {\n sEast1: [64, 112, 26, 43],\n sEast2: [90, 112, 32, 43],\n sWest1: [64, 158, 26, 43],\n sWest2: [90, 158, 32, 43],\n eating1: [122, 112, 34, 43],\n eating2: [156, 112, 31, 43],\n eating3: [187, 112, 31, 43],\n eating4: [219, 112, 25, 43],\n eating5: [243, 112, 26, 43]\n },\n hitBehaviour: {}\n },\n 'jump': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [109, 55, 32, 8]\n },\n hitBehaviour: {}\n },\n 'signStart': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [260, 103, 42, 27]\n },\n hitBehaviour: {}\n },\n 'snowboarder': {\n $imageFile: 'sprite-characters.png',\n parts: {\n sEast: [73, 229, 20, 29],\n sWest: [95, 228, 26, 30]\n },\n hitBehaviour: {}\n },\n 'emptyChairLift': {\n $imageFile: 'skifree-objects.png',\n parts: {\n main: [92, 136, 26, 30]\n },\n zIndexesOccupied: [1]\n }\n };\n\n function monsterHitsTreeBehaviour(monster) {\n monster.deleteOnNextCycle();\n }\n\n sprites.monster.hitBehaviour.tree = monsterHitsTreeBehaviour;\n\n function treeHitsMonsterBehaviour(tree, monster) {\n monster.deleteOnNextCycle();\n }\n\n sprites.smallTree.hitBehaviour.monster = treeHitsMonsterBehaviour;\n sprites.tallTree.hitBehaviour.monster = treeHitsMonsterBehaviour;\n\n function skierHitsTreeBehaviour(skier, tree) {\n skier.hasHitObstacle(tree);\n }\n\n function treeHitsSkierBehaviour(tree, skier) {\n skier.hasHitObstacle(tree);\n }\n\n sprites.smallTree.hitBehaviour.skier = treeHitsSkierBehaviour;\n sprites.tallTree.hitBehaviour.skier = treeHitsSkierBehaviour;\n\n function rockHitsSkierBehaviour(rock, skier) {\n skier.hasHitObstacle(rock);\n }\n\n sprites.rock.hitBehaviour.skier = rockHitsSkierBehaviour;\n\n function skierHitsJumpBehaviour(skier, jump) {\n skier.hasHitJump(jump);\n }\n\n function jumpHitsSkierBehaviour(jump, skier) {\n skier.hasHitJump(jump);\n }\n\n sprites.jump.hitBehaviour.skier = jumpHitsSkierBehaviour; // Really not a fan of this behaviour.\n\n /*\tfunction skierHitsThickSnowBehaviour(skier, thickSnow) {\n \t\t// Need to implement this properly\n \t\tskier.setSpeed(2);\n \t\tsetTimeout(function() {\n \t\t\tskier.resetSpeed();\n \t\t}, 700);\n \t}\n \n \tfunction thickSnowHitsSkierBehaviour(thickSnow, skier) {\n \t\t// Need to implement this properly\n \t\tskier.setSpeed(2);\n \t\tsetTimeout(function() {\n \t\t\tskier.resetSpeed();\n \t\t}, 300);\n \t}*/\n // sprites.thickSnow.hitBehaviour.skier = thickSnowHitsSkierBehaviour;\n\n function snowboarderHitsSkierBehaviour(snowboarder, skier) {\n skier.hasHitObstacle(snowboarder);\n }\n\n sprites.snowboarder.hitBehaviour.skier = snowboarderHitsSkierBehaviour;\n global.spriteInfo = sprites;\n})(this);\n\nif (true) {\n module.exports = this.spriteInfo;\n}\n\n//# sourceURL=webpack:///./js/spriteInfo.js?"); -CanvasRenderingContext2D.prototype.getAboveViewport = function () { - return 0 - (this.canvas.height / 4).floor(); -}; -},{}],2:[function(require,module,exports){ -// Extends function so that new-able objects can be given new methods easily -Function.prototype.method = function (name, func) { - this.prototype[name] = func; - return this; -}; +/***/ }), -// Will return the original method of an object when inheriting from another -Object.method('superior', function (name) { - var that = this; - var method = that[name]; - return function() { - return method.apply(that, arguments); - }; -}); -},{}],3:[function(require,module,exports){ -var SpriteArray = require('./spriteArray'); -var EventedLoop = require('eventedloop'); +/***/ "./node_modules/br-mousetrap/mousetrap.js": +/*!************************************************!*\ + !*** ./node_modules/br-mousetrap/mousetrap.js ***! + \************************************************/ +/*! no static exports found */ +/***/ (function(module, exports, __webpack_require__) { -(function (global) { - function Game (mainCanvas, player) { - var staticObjects = new SpriteArray(); - var movingObjects = new SpriteArray(); - var uiElements = new SpriteArray(); - var dContext = mainCanvas.getContext('2d'); - var mouseX = dContext.getCentreOfViewport(); - var mouseY = 0; - var paused = false; - var that = this; - var beforeCycleCallbacks = []; - var afterCycleCallbacks = []; - var gameLoop = new EventedLoop(); +eval("var __WEBPACK_AMD_DEFINE_RESULT__;/**\n * Copyright 2012 Craig Campbell\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n * Mousetrap is a simple keyboard shortcut library for Javascript with\n * no external dependencies\n *\n * @version 1.1.3\n * @url craig.is/killing/mice\n */\n(function() {\n\n /**\n * mapping of special keycodes to their corresponding keys\n *\n * everything in this dictionary cannot use keypress events\n * so it has to be here to map to the correct keycodes for\n * keyup/keydown events\n *\n * @type {Object}\n */\n var _MAP = {\n 8: 'backspace',\n 9: 'tab',\n 13: 'enter',\n 16: 'shift',\n 17: 'ctrl',\n 18: 'alt',\n 20: 'capslock',\n 27: 'esc',\n 32: 'space',\n 33: 'pageup',\n 34: 'pagedown',\n 35: 'end',\n 36: 'home',\n 37: 'left',\n 38: 'up',\n 39: 'right',\n 40: 'down',\n 45: 'ins',\n 46: 'del',\n 91: 'meta',\n 93: 'meta',\n 224: 'meta'\n },\n\n /**\n * mapping for special characters so they can support\n *\n * this dictionary is only used incase you want to bind a\n * keyup or keydown event to one of these keys\n *\n * @type {Object}\n */\n _KEYCODE_MAP = {\n 106: '*',\n 107: '+',\n 109: '-',\n 110: '.',\n 111 : '/',\n 186: ';',\n 187: '=',\n 188: ',',\n 189: '-',\n 190: '.',\n 191: '/',\n 192: '`',\n 219: '[',\n 220: '\\\\',\n 221: ']',\n 222: '\\''\n },\n\n /**\n * this is a mapping of keys that require shift on a US keypad\n * back to the non shift equivelents\n *\n * this is so you can use keyup events with these keys\n *\n * note that this will only work reliably on US keyboards\n *\n * @type {Object}\n */\n _SHIFT_MAP = {\n '~': '`',\n '!': '1',\n '@': '2',\n '#': '3',\n '$': '4',\n '%': '5',\n '^': '6',\n '&': '7',\n '*': '8',\n '(': '9',\n ')': '0',\n '_': '-',\n '+': '=',\n ':': ';',\n '\\\"': '\\'',\n '<': ',',\n '>': '.',\n '?': '/',\n '|': '\\\\'\n },\n\n /**\n * this is a list of special strings you can use to map\n * to modifier keys when you specify your keyboard shortcuts\n *\n * @type {Object}\n */\n _SPECIAL_ALIASES = {\n 'option': 'alt',\n 'command': 'meta',\n 'return': 'enter',\n 'escape': 'esc'\n },\n\n /**\n * variable to store the flipped version of _MAP from above\n * needed to check if we should use keypress or not when no action\n * is specified\n *\n * @type {Object|undefined}\n */\n _REVERSE_MAP,\n\n /**\n * a list of all the callbacks setup via Mousetrap.bind()\n *\n * @type {Object}\n */\n _callbacks = {},\n\n /**\n * direct map of string combinations to callbacks used for trigger()\n *\n * @type {Object}\n */\n _direct_map = {},\n\n /**\n * keeps track of what level each sequence is at since multiple\n * sequences can start out with the same sequence\n *\n * @type {Object}\n */\n _sequence_levels = {},\n\n /**\n * variable to store the setTimeout call\n *\n * @type {null|number}\n */\n _reset_timer,\n\n /**\n * temporary state where we will ignore the next keyup\n *\n * @type {boolean|string}\n */\n _ignore_next_keyup = false,\n\n /**\n * are we currently inside of a sequence?\n * type of action (\"keyup\" or \"keydown\" or \"keypress\") or false\n *\n * @type {boolean|string}\n */\n _inside_sequence = false;\n\n /**\n * loop through the f keys, f1 to f19 and add them to the map\n * programatically\n */\n for (var i = 1; i < 20; ++i) {\n _MAP[111 + i] = 'f' + i;\n }\n\n /**\n * loop through to map numbers on the numeric keypad\n */\n for (i = 0; i <= 9; ++i) {\n _MAP[i + 96] = i;\n }\n\n /**\n * cross browser add event method\n *\n * @param {Element|HTMLDocument} object\n * @param {string} type\n * @param {Function} callback\n * @returns void\n */\n function _addEvent(object, type, callback) {\n if (object.addEventListener) {\n object.addEventListener(type, callback, false);\n return;\n }\n\n object.attachEvent('on' + type, callback);\n }\n\n /**\n * takes the event and returns the key character\n *\n * @param {Event} e\n * @return {string}\n */\n function _characterFromEvent(e) {\n\n // for keypress events we should return the character as is\n if (e.type == 'keypress') {\n return String.fromCharCode(e.which);\n }\n\n // for non keypress events the special maps are needed\n if (_MAP[e.which]) {\n return _MAP[e.which];\n }\n\n if (_KEYCODE_MAP[e.which]) {\n return _KEYCODE_MAP[e.which];\n }\n\n // if it is not in the special map\n return String.fromCharCode(e.which).toLowerCase();\n }\n\n /**\n * checks if two arrays are equal\n *\n * @param {Array} modifiers1\n * @param {Array} modifiers2\n * @returns {boolean}\n */\n function _modifiersMatch(modifiers1, modifiers2) {\n return modifiers1.sort().join(',') === modifiers2.sort().join(',');\n }\n\n /**\n * resets all sequence counters except for the ones passed in\n *\n * @param {Object} do_not_reset\n * @returns void\n */\n function _resetSequences(do_not_reset) {\n do_not_reset = do_not_reset || {};\n\n var active_sequences = false,\n key;\n\n for (key in _sequence_levels) {\n if (do_not_reset[key]) {\n active_sequences = true;\n continue;\n }\n _sequence_levels[key] = 0;\n }\n\n if (!active_sequences) {\n _inside_sequence = false;\n }\n }\n\n /**\n * finds all callbacks that match based on the keycode, modifiers,\n * and action\n *\n * @param {string} character\n * @param {Array} modifiers\n * @param {Event|Object} e\n * @param {boolean=} remove - should we remove any matches\n * @param {string=} combination\n * @returns {Array}\n */\n function _getMatches(character, modifiers, e, remove, combination) {\n var i,\n callback,\n matches = [],\n action = e.type;\n\n // if there are no events related to this keycode\n if (!_callbacks[character]) {\n return [];\n }\n\n // if a modifier key is coming up on its own we should allow it\n if (action == 'keyup' && _isModifier(character)) {\n modifiers = [character];\n }\n\n // loop through all callbacks for the key that was pressed\n // and see if any of them match\n for (i = 0; i < _callbacks[character].length; ++i) {\n callback = _callbacks[character][i];\n\n // if this is a sequence but it is not at the right level\n // then move onto the next match\n if (callback.seq && _sequence_levels[callback.seq] != callback.level) {\n continue;\n }\n\n // if the action we are looking for doesn't match the action we got\n // then we should keep going\n if (action != callback.action) {\n continue;\n }\n\n // if this is a keypress event and the meta key and control key\n // are not pressed that means that we need to only look at the\n // character, otherwise check the modifiers as well\n //\n // chrome will not fire a keypress if meta or control is down\n // safari will fire a keypress if meta or meta+shift is down\n // firefox will fire a keypress if meta or control is down\n if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) {\n\n // remove is used so if you change your mind and call bind a\n // second time with a new function the first one is overwritten\n if (remove && callback.combo == combination) {\n _callbacks[character].splice(i, 1);\n }\n\n matches.push(callback);\n }\n }\n\n return matches;\n }\n\n /**\n * takes a key event and figures out what the modifiers are\n *\n * @param {Event} e\n * @returns {Array}\n */\n function _eventModifiers(e) {\n var modifiers = [];\n\n if (e.shiftKey) {\n modifiers.push('shift');\n }\n\n if (e.altKey) {\n modifiers.push('alt');\n }\n\n if (e.ctrlKey) {\n modifiers.push('ctrl');\n }\n\n if (e.metaKey) {\n modifiers.push('meta');\n }\n\n return modifiers;\n }\n\n /**\n * actually calls the callback function\n *\n * if your callback function returns false this will use the jquery\n * convention - prevent default and stop propogation on the event\n *\n * @param {Function} callback\n * @param {Event} e\n * @returns void\n */\n function _fireCallback(callback, e) {\n if (callback(e) === false) {\n if (e.preventDefault) {\n e.preventDefault();\n }\n\n if (e.stopPropagation) {\n e.stopPropagation();\n }\n\n e.returnValue = false;\n e.cancelBubble = true;\n }\n }\n\n /**\n * handles a character key event\n *\n * @param {string} character\n * @param {Event} e\n * @returns void\n */\n function _handleCharacter(character, e) {\n\n // if this event should not happen stop here\n if (Mousetrap.stopCallback(e, e.target || e.srcElement)) {\n return;\n }\n\n var callbacks = _getMatches(character, _eventModifiers(e), e),\n i,\n do_not_reset = {},\n processed_sequence_callback = false;\n\n // loop through matching callbacks for this key event\n for (i = 0; i < callbacks.length; ++i) {\n\n // fire for all sequence callbacks\n // this is because if for example you have multiple sequences\n // bound such as \"g i\" and \"g t\" they both need to fire the\n // callback for matching g cause otherwise you can only ever\n // match the first one\n if (callbacks[i].seq) {\n processed_sequence_callback = true;\n\n // keep a list of which sequences were matches for later\n do_not_reset[callbacks[i].seq] = 1;\n _fireCallback(callbacks[i].callback, e);\n continue;\n }\n\n // if there were no sequence matches but we are still here\n // that means this is a regular match so we should fire that\n if (!processed_sequence_callback && !_inside_sequence) {\n _fireCallback(callbacks[i].callback, e);\n }\n }\n\n // if you are inside of a sequence and the key you are pressing\n // is not a modifier key then we should reset all sequences\n // that were not matched by this key event\n if (e.type == _inside_sequence && !_isModifier(character)) {\n _resetSequences(do_not_reset);\n }\n }\n\n /**\n * handles a keydown event\n *\n * @param {Event} e\n * @returns void\n */\n function _handleKey(e) {\n\n // normalize e.which for key events\n // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion\n e.which = typeof e.which == \"number\" ? e.which : e.keyCode;\n\n var character = _characterFromEvent(e);\n\n // no character found then stop\n if (!character) {\n return;\n }\n\n if (e.type == 'keyup' && _ignore_next_keyup == character) {\n _ignore_next_keyup = false;\n return;\n }\n\n _handleCharacter(character, e);\n }\n\n /**\n * determines if the keycode specified is a modifier key or not\n *\n * @param {string} key\n * @returns {boolean}\n */\n function _isModifier(key) {\n return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta';\n }\n\n /**\n * called to set a 1 second timeout on the specified sequence\n *\n * this is so after each key press in the sequence you have 1 second\n * to press the next key before you have to start over\n *\n * @returns void\n */\n function _resetSequenceTimer() {\n clearTimeout(_reset_timer);\n _reset_timer = setTimeout(_resetSequences, 1000);\n }\n\n /**\n * reverses the map lookup so that we can look for specific keys\n * to see what can and can't use keypress\n *\n * @return {Object}\n */\n function _getReverseMap() {\n if (!_REVERSE_MAP) {\n _REVERSE_MAP = {};\n for (var key in _MAP) {\n\n // pull out the numeric keypad from here cause keypress should\n // be able to detect the keys from the character\n if (key > 95 && key < 112) {\n continue;\n }\n\n if (_MAP.hasOwnProperty(key)) {\n _REVERSE_MAP[_MAP[key]] = key;\n }\n }\n }\n return _REVERSE_MAP;\n }\n\n /**\n * picks the best action based on the key combination\n *\n * @param {string} key - character for key\n * @param {Array} modifiers\n * @param {string=} action passed in\n */\n function _pickBestAction(key, modifiers, action) {\n\n // if no action was picked in we should try to pick the one\n // that we think would work best for this key\n if (!action) {\n action = _getReverseMap()[key] ? 'keydown' : 'keypress';\n }\n\n // modifier keys don't work as expected with keypress,\n // switch to keydown\n if (action == 'keypress' && modifiers.length) {\n action = 'keydown';\n }\n\n return action;\n }\n\n /**\n * binds a key sequence to an event\n *\n * @param {string} combo - combo specified in bind call\n * @param {Array} keys\n * @param {Function} callback\n * @param {string=} action\n * @returns void\n */\n function _bindSequence(combo, keys, callback, action) {\n\n // start off by adding a sequence level record for this combination\n // and setting the level to 0\n _sequence_levels[combo] = 0;\n\n // if there is no action pick the best one for the first key\n // in the sequence\n if (!action) {\n action = _pickBestAction(keys[0], []);\n }\n\n /**\n * callback to increase the sequence level for this sequence and reset\n * all other sequences that were active\n *\n * @param {Event} e\n * @returns void\n */\n var _increaseSequence = function(e) {\n _inside_sequence = action;\n ++_sequence_levels[combo];\n _resetSequenceTimer();\n },\n\n /**\n * wraps the specified callback inside of another function in order\n * to reset all sequence counters as soon as this sequence is done\n *\n * @param {Event} e\n * @returns void\n */\n _callbackAndReset = function(e) {\n _fireCallback(callback, e);\n\n // we should ignore the next key up if the action is key down\n // or keypress. this is so if you finish a sequence and\n // release the key the final key will not trigger a keyup\n if (action !== 'keyup') {\n _ignore_next_keyup = _characterFromEvent(e);\n }\n\n // weird race condition if a sequence ends with the key\n // another sequence begins with\n setTimeout(_resetSequences, 10);\n },\n i;\n\n // loop through keys one at a time and bind the appropriate callback\n // function. for any key leading up to the final one it should\n // increase the sequence. after the final, it should reset all sequences\n for (i = 0; i < keys.length; ++i) {\n _bindSingle(keys[i], i < keys.length - 1 ? _increaseSequence : _callbackAndReset, action, combo, i);\n }\n }\n\n /**\n * binds a single keyboard combination\n *\n * @param {string} combination\n * @param {Function} callback\n * @param {string=} action\n * @param {string=} sequence_name - name of sequence if part of sequence\n * @param {number=} level - what part of the sequence the command is\n * @returns void\n */\n function _bindSingle(combination, callback, action, sequence_name, level) {\n\n // make sure multiple spaces in a row become a single space\n combination = combination.replace(/\\s+/g, ' ');\n\n var sequence = combination.split(' '),\n i,\n key,\n keys,\n modifiers = [];\n\n // if this pattern is a sequence of keys then run through this method\n // to reprocess each pattern one key at a time\n if (sequence.length > 1) {\n _bindSequence(combination, sequence, callback, action);\n return;\n }\n\n // take the keys from this pattern and figure out what the actual\n // pattern is all about\n keys = combination === '+' ? ['+'] : combination.split('+');\n\n for (i = 0; i < keys.length; ++i) {\n key = keys[i];\n\n // normalize key names\n if (_SPECIAL_ALIASES[key]) {\n key = _SPECIAL_ALIASES[key];\n }\n\n // if this is not a keypress event then we should\n // be smart about using shift keys\n // this will only work for US keyboards however\n if (action && action != 'keypress' && _SHIFT_MAP[key]) {\n key = _SHIFT_MAP[key];\n modifiers.push('shift');\n }\n\n // if this key is a modifier then add it to the list of modifiers\n if (_isModifier(key)) {\n modifiers.push(key);\n }\n }\n\n // depending on what the key combination is\n // we will try to pick the best event for it\n action = _pickBestAction(key, modifiers, action);\n\n // make sure to initialize array if this is the first time\n // a callback is added for this key\n if (!_callbacks[key]) {\n _callbacks[key] = [];\n }\n\n // remove an existing match if there is one\n _getMatches(key, modifiers, {type: action}, !sequence_name, combination);\n\n // add this call back to the array\n // if it is a sequence put it at the beginning\n // if not put it at the end\n //\n // this is important because the way these are processed expects\n // the sequence ones to come first\n _callbacks[key][sequence_name ? 'unshift' : 'push']({\n callback: callback,\n modifiers: modifiers,\n action: action,\n seq: sequence_name,\n level: level,\n combo: combination\n });\n }\n\n /**\n * binds multiple combinations to the same callback\n *\n * @param {Array} combinations\n * @param {Function} callback\n * @param {string|undefined} action\n * @returns void\n */\n function _bindMultiple(combinations, callback, action) {\n for (var i = 0; i < combinations.length; ++i) {\n _bindSingle(combinations[i], callback, action);\n }\n }\n\n // start!\n _addEvent(document, 'keypress', _handleKey);\n _addEvent(document, 'keydown', _handleKey);\n _addEvent(document, 'keyup', _handleKey);\n\n var Mousetrap = {\n\n /**\n * binds an event to mousetrap\n *\n * can be a single key, a combination of keys separated with +,\n * an array of keys, or a sequence of keys separated by spaces\n *\n * be sure to list the modifier keys first to make sure that the\n * correct key ends up getting bound (the last key in the pattern)\n *\n * @param {string|Array} keys\n * @param {Function} callback\n * @param {string=} action - 'keypress', 'keydown', or 'keyup'\n * @returns void\n */\n bind: function(keys, callback, action) {\n _bindMultiple(keys instanceof Array ? keys : [keys], callback, action);\n _direct_map[keys + ':' + action] = callback;\n return this;\n },\n\n /**\n * unbinds an event to mousetrap\n *\n * the unbinding sets the callback function of the specified key combo\n * to an empty function and deletes the corresponding key in the\n * _direct_map dict.\n *\n * the keycombo+action has to be exactly the same as\n * it was defined in the bind method\n *\n * TODO: actually remove this from the _callbacks dictionary instead\n * of binding an empty function\n *\n * @param {string|Array} keys\n * @param {string} action\n * @returns void\n */\n unbind: function(keys, action) {\n if (_direct_map[keys + ':' + action]) {\n delete _direct_map[keys + ':' + action];\n this.bind(keys, function() {}, action);\n }\n return this;\n },\n\n /**\n * triggers an event that has already been bound\n *\n * @param {string} keys\n * @param {string=} action\n * @returns void\n */\n trigger: function(keys, action) {\n _direct_map[keys + ':' + action]();\n return this;\n },\n\n /**\n * resets the library back to its initial state. this is useful\n * if you want to clear out the current keyboard shortcuts and bind\n * new ones - for example if you switch to another page\n *\n * @returns void\n */\n reset: function() {\n _callbacks = {};\n _direct_map = {};\n return this;\n },\n\n /**\n * should we stop this event before firing off callbacks\n *\n * @param {Event} e\n * @param {Element} element\n * @return {boolean}\n */\n stopCallback: function(e, element) {\n\n // if the element has the class \"mousetrap\" then no need to stop\n if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) {\n return false;\n }\n\n // stop for input, select, and textarea\n return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || (element.contentEditable && element.contentEditable == 'true');\n }\n };\n\n // expose mousetrap to the global object\n window.Mousetrap = Mousetrap;\n\n // expose mousetrap as an AMD module\n if (true) {\n !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() { return Mousetrap; }).call(exports, __webpack_require__, exports, module),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n }\n // browserify support\n if( true && module.exports) {\n module.exports = Mousetrap;\n }\n}) ();\n\n\n//# sourceURL=webpack:///./node_modules/br-mousetrap/mousetrap.js?"); - this.addStaticObject = function (sprite) { - staticObjects.push(sprite); - }; +/***/ }), - this.addStaticObjects = function (sprites) { - sprites.forEach(this.addStaticObject.bind(this)); - }; +/***/ "./node_modules/eventedloop/lib/main.js": +/*!**********************************************!*\ + !*** ./node_modules/eventedloop/lib/main.js ***! + \**********************************************/ +/*! no static exports found */ +/***/ (function(module, exports, __webpack_require__) { - this.addMovingObject = function (movingObject, movingObjectType) { - if (movingObjectType) { - staticObjects.onPush(function (obj) { - if (obj.data && obj.data.hitBehaviour[movingObjectType]) { - obj.onHitting(movingObject, obj.data.hitBehaviour[movingObjectType]); - } - }, true); - } +eval("/* WEBPACK VAR INJECTION */(function(global) {(function() {\n var root = this;\n var EventEmitter = __webpack_require__(/*! events */ \"./node_modules/events/events.js\").EventEmitter;\n\tvar _ = __webpack_require__(/*! underscore */ \"./node_modules/underscore/underscore.js\");\n\tvar intervalParser = /([0-9\\.]+)(ms|s|m|h)?/;\n\tvar root = global || window;\n\n\t// Lil bit of useful polyfill...\n\tif (typeof(Function.prototype.inherits) === 'undefined') {\n\t\tFunction.prototype.inherits = function(parent) {\n\t\t\tthis.prototype = Object.create(parent.prototype);\n\t\t};\n\t}\n\n\tif (typeof(Array.prototype.removeOne) === 'undefined') {\n\t\tArray.prototype.removeOne = function() {\n\t\t\tvar what, a = arguments, L = a.length, ax;\n\t\t\twhile (L && this.length) {\n\t\t\t\twhat = a[--L];\n\t\t\t\twhile ((ax = this.indexOf(what)) !== -1) {\n\t\t\t\t\treturn this.splice(ax, 1);\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n\n\tfunction greatestCommonFactor(intervals) {\n\t\tvar sumOfModuli = 1;\n\t\tvar interval = _.min(intervals);\n\t\twhile (sumOfModuli !== 0) {\n\t\t\tsumOfModuli = _.reduce(intervals, function(memo, i){ return memo + (i % interval); }, 0);\n\t\t\tif (sumOfModuli !== 0) {\n\t\t\t\tinterval -= 10;\n\t\t\t}\n\t\t}\n\t\treturn interval;\n\t}\n\n\tfunction parseEvent(e) {\n\t\tvar intervalGroups = intervalParser.exec(e);\n\t\tif (!intervalGroups) {\n\t\t\tthrow new Error('I don\\'t understand that particular interval');\n\t\t}\n\t\tvar intervalAmount = +intervalGroups[1];\n\t\tvar intervalType = intervalGroups[2] || 'ms';\n\t\tif (intervalType === 's') {\n\t\t\tintervalAmount = intervalAmount * 1000;\n\t\t} else if (intervalType === 'm') {\n\t\t\tintervalAmount = intervalAmount * 1000 * 60;\n\t\t} else if (intervalType === 'h') {\n\t\t\tintervalAmount = intervalAmount * 1000 * 60 * 60;\n\t\t} else if (!!intervalType && intervalType !== 'ms') {\n\t\t\tthrow new Error('You can only specify intervals of ms, s, m, or h');\n\t\t}\n\t\tif (intervalAmount < 10 || intervalAmount % 10 !== 0) {\n\t\t\t// We only deal in 10's of milliseconds for simplicity\n\t\t\tthrow new Error('You can only specify 10s of milliseconds, trust me on this one');\n\t\t}\n\t\treturn {\n\t\t\tamount:intervalAmount,\n\t\t\ttype:intervalType\n\t\t};\n\t}\n\n\tfunction EventedLoop() {\n\t\tthis.intervalId = undefined;\n\t\tthis.intervalLength = undefined;\n\t\tthis.intervalsToEmit = {};\n\t\tthis.currentTick = 1;\n\t\tthis.maxTicks = 0;\n\t\tthis.listeningForFocus = false;\n\n\t\t// Private method\n\t\tvar determineIntervalLength = function () {\n\t\t\tvar potentialIntervalLength = greatestCommonFactor(_.keys(this.intervalsToEmit));\n\t\t\tvar changed = false;\n\n\t\t\tif (this.intervalLength) {\n\t\t\t\tif (potentialIntervalLength !== this.intervalLength) {\n\t\t\t\t\t// Looks like we need a new interval\n\t\t\t\t\tthis.intervalLength = potentialIntervalLength;\n\t\t\t\t\tchanged = true;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis.intervalLength = potentialIntervalLength;\n\t\t\t}\n\n\t\t\tthis.maxTicks = _.max(_.map(_.keys(this.intervalsToEmit), function(a) { return +a; })) / this.intervalLength;\n\t\t\treturn changed;\n\t\t}.bind(this);\n\n\t\tthis.on('newListener', function (e) {\n\t\t\tif (e === 'removeListener' || e === 'newListener') return; // We don't care about that one\n\t\t\tvar intervalInfo = parseEvent(e);\n\t\t\tvar intervalAmount = intervalInfo.amount;\n\n\t\t\tthis.intervalsToEmit[+intervalAmount] = _.union(this.intervalsToEmit[+intervalAmount] || [], [e]);\n\t\t\t\n\t\t\tif (determineIntervalLength() && this.isStarted()) {\n\t\t\t\tthis.stop().start();\n\t\t\t}\n\t\t});\n\n\t\tthis.on('removeListener', function (e) {\n\t\t\tif (EventEmitter.listenerCount(this, e) > 0) return;\n\t\t\tvar intervalInfo = parseEvent(e);\n\t\t\tvar intervalAmount = intervalInfo.amount;\n\n\t\t\tvar removedEvent = this.intervalsToEmit[+intervalAmount].removeOne(e);\n\t\t\tif (this.intervalsToEmit[+intervalAmount].length === 0) {\n\t\t\t\tdelete this.intervalsToEmit[+intervalAmount];\n\t\t\t}\n\t\t\tconsole.log('Determining interval length after removal of', removedEvent);\n\t\t\tdetermineIntervalLength();\n\n\t\t\tif (determineIntervalLength() && this.isStarted()) {\n\t\t\t\tthis.stop().start();\n\t\t\t}\n\t\t});\n\t}\n\n\tEventedLoop.inherits(EventEmitter);\n\n\t// Public methods\n\tEventedLoop.prototype.tick = function () {\n\t\tvar milliseconds = this.currentTick * this.intervalLength;\n\t\t_.each(this.intervalsToEmit, function (events, key) {\n\t\t\tif (milliseconds % key === 0) {\n\t\t\t\t_.each(events, function(e) { this.emit(e, e, key); }.bind(this));\n\t\t\t}\n\t\t}.bind(this));\n\t\tthis.currentTick += 1;\n\t\tif (this.currentTick > this.maxTicks) {\n\t\t\tthis.currentTick = 1;\n\t\t}\n\t\treturn this;\n\t};\n\n\tEventedLoop.prototype.start = function () {\n\t\tif (!this.intervalLength) {\n\t\t\tthrow new Error('You haven\\'t specified any interval callbacks. Use EventedLoop.on(\\'500ms\\', function () { ... }) to do so, and then you can start');\n\t\t}\n\t\tif (this.intervalId) {\n\t\t\treturn console.log('No need to start the loop again, it\\'s already started.');\n\t\t}\n\n\t\tthis.intervalId = setInterval(this.tick.bind(this), this.intervalLength);\n\n\t\tif (root && !this.listeningForFocus && root.addEventListener) {\n\t\t\troot.addEventListener('focus', function() {\n\t\t\t\tthis.start();\n\t\t\t}.bind(this));\n\n\t\t\troot.addEventListener('blur', function() {\n\t\t\t\tthis.stop();\n\t\t\t}.bind(this));\n\n\t\t\tthis.listeningForFocus = true;\n\t\t}\n\t\treturn this;\n\t};\n\n\tEventedLoop.prototype.stop = function () {\n\t\tclearInterval(this.intervalId);\n\t\tthis.intervalId = undefined;\n\t\treturn this;\n\t};\n\n\tEventedLoop.prototype.isStarted = function () {\n\t\treturn !!this.intervalId;\n\t};\n\n\tEventedLoop.prototype.every = EventedLoop.prototype.on;\n\n // Export the EventedLoop object for **Node.js** or other\n // commonjs systems. Otherwise, add it as a global object to the root\n if (true) {\n if ( true && module.exports) {\n exports = module.exports = EventedLoop;\n }\n exports.EventedLoop = EventedLoop;\n }\n if (typeof window !== 'undefined') {\n window.EventedLoop = EventedLoop;\n }\n}).call(this);\n/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ \"./node_modules/webpack/buildin/global.js\")))\n\n//# sourceURL=webpack:///./node_modules/eventedloop/lib/main.js?"); - movingObjects.push(movingObject); - }; +/***/ }), - this.addUIElement = function (element) { - uiElements.push(element); - }; +/***/ "./node_modules/events/events.js": +/*!***************************************!*\ + !*** ./node_modules/events/events.js ***! + \***************************************/ +/*! no static exports found */ +/***/ (function(module, exports, __webpack_require__) { - this.beforeCycle = function (callback) { - beforeCycleCallbacks.push(callback); - }; +"use strict"; +eval("// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n\n\nvar R = typeof Reflect === 'object' ? Reflect : null\nvar ReflectApply = R && typeof R.apply === 'function'\n ? R.apply\n : function ReflectApply(target, receiver, args) {\n return Function.prototype.apply.call(target, receiver, args);\n }\n\nvar ReflectOwnKeys\nif (R && typeof R.ownKeys === 'function') {\n ReflectOwnKeys = R.ownKeys\n} else if (Object.getOwnPropertySymbols) {\n ReflectOwnKeys = function ReflectOwnKeys(target) {\n return Object.getOwnPropertyNames(target)\n .concat(Object.getOwnPropertySymbols(target));\n };\n} else {\n ReflectOwnKeys = function ReflectOwnKeys(target) {\n return Object.getOwnPropertyNames(target);\n };\n}\n\nfunction ProcessEmitWarning(warning) {\n if (console && console.warn) console.warn(warning);\n}\n\nvar NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {\n return value !== value;\n}\n\nfunction EventEmitter() {\n EventEmitter.init.call(this);\n}\nmodule.exports = EventEmitter;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._eventsCount = 0;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nvar defaultMaxListeners = 10;\n\nObject.defineProperty(EventEmitter, 'defaultMaxListeners', {\n enumerable: true,\n get: function() {\n return defaultMaxListeners;\n },\n set: function(arg) {\n if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {\n throw new RangeError('The value of \"defaultMaxListeners\" is out of range. It must be a non-negative number. Received ' + arg + '.');\n }\n defaultMaxListeners = arg;\n }\n});\n\nEventEmitter.init = function() {\n\n if (this._events === undefined ||\n this._events === Object.getPrototypeOf(this)._events) {\n this._events = Object.create(null);\n this._eventsCount = 0;\n }\n\n this._maxListeners = this._maxListeners || undefined;\n};\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {\n if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {\n throw new RangeError('The value of \"n\" is out of range. It must be a non-negative number. Received ' + n + '.');\n }\n this._maxListeners = n;\n return this;\n};\n\nfunction $getMaxListeners(that) {\n if (that._maxListeners === undefined)\n return EventEmitter.defaultMaxListeners;\n return that._maxListeners;\n}\n\nEventEmitter.prototype.getMaxListeners = function getMaxListeners() {\n return $getMaxListeners(this);\n};\n\nEventEmitter.prototype.emit = function emit(type) {\n var args = [];\n for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);\n var doError = (type === 'error');\n\n var events = this._events;\n if (events !== undefined)\n doError = (doError && events.error === undefined);\n else if (!doError)\n return false;\n\n // If there is no 'error' event listener then throw.\n if (doError) {\n var er;\n if (args.length > 0)\n er = args[0];\n if (er instanceof Error) {\n // Note: The comments on the `throw` lines are intentional, they show\n // up in Node's output if this results in an unhandled exception.\n throw er; // Unhandled 'error' event\n }\n // At least give some kind of context to the user\n var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));\n err.context = er;\n throw err; // Unhandled 'error' event\n }\n\n var handler = events[type];\n\n if (handler === undefined)\n return false;\n\n if (typeof handler === 'function') {\n ReflectApply(handler, this, args);\n } else {\n var len = handler.length;\n var listeners = arrayClone(handler, len);\n for (var i = 0; i < len; ++i)\n ReflectApply(listeners[i], this, args);\n }\n\n return true;\n};\n\nfunction _addListener(target, type, listener, prepend) {\n var m;\n var events;\n var existing;\n\n if (typeof listener !== 'function') {\n throw new TypeError('The \"listener\" argument must be of type Function. Received type ' + typeof listener);\n }\n\n events = target._events;\n if (events === undefined) {\n events = target._events = Object.create(null);\n target._eventsCount = 0;\n } else {\n // To avoid recursion in the case that type === \"newListener\"! Before\n // adding it to the listeners, first emit \"newListener\".\n if (events.newListener !== undefined) {\n target.emit('newListener', type,\n listener.listener ? listener.listener : listener);\n\n // Re-assign `events` because a newListener handler could have caused the\n // this._events to be assigned to a new object\n events = target._events;\n }\n existing = events[type];\n }\n\n if (existing === undefined) {\n // Optimize the case of one listener. Don't need the extra array object.\n existing = events[type] = listener;\n ++target._eventsCount;\n } else {\n if (typeof existing === 'function') {\n // Adding the second element, need to change to array.\n existing = events[type] =\n prepend ? [listener, existing] : [existing, listener];\n // If we've already got an array, just append.\n } else if (prepend) {\n existing.unshift(listener);\n } else {\n existing.push(listener);\n }\n\n // Check for listener leak\n m = $getMaxListeners(target);\n if (m > 0 && existing.length > m && !existing.warned) {\n existing.warned = true;\n // No error code for this since it is a Warning\n // eslint-disable-next-line no-restricted-syntax\n var w = new Error('Possible EventEmitter memory leak detected. ' +\n existing.length + ' ' + String(type) + ' listeners ' +\n 'added. Use emitter.setMaxListeners() to ' +\n 'increase limit');\n w.name = 'MaxListenersExceededWarning';\n w.emitter = target;\n w.type = type;\n w.count = existing.length;\n ProcessEmitWarning(w);\n }\n }\n\n return target;\n}\n\nEventEmitter.prototype.addListener = function addListener(type, listener) {\n return _addListener(this, type, listener, false);\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.prependListener =\n function prependListener(type, listener) {\n return _addListener(this, type, listener, true);\n };\n\nfunction onceWrapper() {\n var args = [];\n for (var i = 0; i < arguments.length; i++) args.push(arguments[i]);\n if (!this.fired) {\n this.target.removeListener(this.type, this.wrapFn);\n this.fired = true;\n ReflectApply(this.listener, this.target, args);\n }\n}\n\nfunction _onceWrap(target, type, listener) {\n var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };\n var wrapped = onceWrapper.bind(state);\n wrapped.listener = listener;\n state.wrapFn = wrapped;\n return wrapped;\n}\n\nEventEmitter.prototype.once = function once(type, listener) {\n if (typeof listener !== 'function') {\n throw new TypeError('The \"listener\" argument must be of type Function. Received type ' + typeof listener);\n }\n this.on(type, _onceWrap(this, type, listener));\n return this;\n};\n\nEventEmitter.prototype.prependOnceListener =\n function prependOnceListener(type, listener) {\n if (typeof listener !== 'function') {\n throw new TypeError('The \"listener\" argument must be of type Function. Received type ' + typeof listener);\n }\n this.prependListener(type, _onceWrap(this, type, listener));\n return this;\n };\n\n// Emits a 'removeListener' event if and only if the listener was removed.\nEventEmitter.prototype.removeListener =\n function removeListener(type, listener) {\n var list, events, position, i, originalListener;\n\n if (typeof listener !== 'function') {\n throw new TypeError('The \"listener\" argument must be of type Function. Received type ' + typeof listener);\n }\n\n events = this._events;\n if (events === undefined)\n return this;\n\n list = events[type];\n if (list === undefined)\n return this;\n\n if (list === listener || list.listener === listener) {\n if (--this._eventsCount === 0)\n this._events = Object.create(null);\n else {\n delete events[type];\n if (events.removeListener)\n this.emit('removeListener', type, list.listener || listener);\n }\n } else if (typeof list !== 'function') {\n position = -1;\n\n for (i = list.length - 1; i >= 0; i--) {\n if (list[i] === listener || list[i].listener === listener) {\n originalListener = list[i].listener;\n position = i;\n break;\n }\n }\n\n if (position < 0)\n return this;\n\n if (position === 0)\n list.shift();\n else {\n spliceOne(list, position);\n }\n\n if (list.length === 1)\n events[type] = list[0];\n\n if (events.removeListener !== undefined)\n this.emit('removeListener', type, originalListener || listener);\n }\n\n return this;\n };\n\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\n\nEventEmitter.prototype.removeAllListeners =\n function removeAllListeners(type) {\n var listeners, events, i;\n\n events = this._events;\n if (events === undefined)\n return this;\n\n // not listening for removeListener, no need to emit\n if (events.removeListener === undefined) {\n if (arguments.length === 0) {\n this._events = Object.create(null);\n this._eventsCount = 0;\n } else if (events[type] !== undefined) {\n if (--this._eventsCount === 0)\n this._events = Object.create(null);\n else\n delete events[type];\n }\n return this;\n }\n\n // emit removeListener for all listeners on all events\n if (arguments.length === 0) {\n var keys = Object.keys(events);\n var key;\n for (i = 0; i < keys.length; ++i) {\n key = keys[i];\n if (key === 'removeListener') continue;\n this.removeAllListeners(key);\n }\n this.removeAllListeners('removeListener');\n this._events = Object.create(null);\n this._eventsCount = 0;\n return this;\n }\n\n listeners = events[type];\n\n if (typeof listeners === 'function') {\n this.removeListener(type, listeners);\n } else if (listeners !== undefined) {\n // LIFO order\n for (i = listeners.length - 1; i >= 0; i--) {\n this.removeListener(type, listeners[i]);\n }\n }\n\n return this;\n };\n\nfunction _listeners(target, type, unwrap) {\n var events = target._events;\n\n if (events === undefined)\n return [];\n\n var evlistener = events[type];\n if (evlistener === undefined)\n return [];\n\n if (typeof evlistener === 'function')\n return unwrap ? [evlistener.listener || evlistener] : [evlistener];\n\n return unwrap ?\n unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);\n}\n\nEventEmitter.prototype.listeners = function listeners(type) {\n return _listeners(this, type, true);\n};\n\nEventEmitter.prototype.rawListeners = function rawListeners(type) {\n return _listeners(this, type, false);\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n if (typeof emitter.listenerCount === 'function') {\n return emitter.listenerCount(type);\n } else {\n return listenerCount.call(emitter, type);\n }\n};\n\nEventEmitter.prototype.listenerCount = listenerCount;\nfunction listenerCount(type) {\n var events = this._events;\n\n if (events !== undefined) {\n var evlistener = events[type];\n\n if (typeof evlistener === 'function') {\n return 1;\n } else if (evlistener !== undefined) {\n return evlistener.length;\n }\n }\n\n return 0;\n}\n\nEventEmitter.prototype.eventNames = function eventNames() {\n return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];\n};\n\nfunction arrayClone(arr, n) {\n var copy = new Array(n);\n for (var i = 0; i < n; ++i)\n copy[i] = arr[i];\n return copy;\n}\n\nfunction spliceOne(list, index) {\n for (; index + 1 < list.length; index++)\n list[index] = list[index + 1];\n list.pop();\n}\n\nfunction unwrapListeners(arr) {\n var ret = new Array(arr.length);\n for (var i = 0; i < ret.length; ++i) {\n ret[i] = arr[i].listener || arr[i];\n }\n return ret;\n}\n\n\n//# sourceURL=webpack:///./node_modules/events/events.js?"); - this.afterCycle = function (callback) { - afterCycleCallbacks.push(callback); - }; +/***/ }), - this.setMouseX = function (x) { - mouseX = x; - }; +/***/ "./node_modules/hammerjs/hammer.js": +/*!*****************************************!*\ + !*** ./node_modules/hammerjs/hammer.js ***! + \*****************************************/ +/*! no static exports found */ +/***/ (function(module, exports, __webpack_require__) { - this.setMouseY = function (y) { - mouseY = y; - }; +eval("var __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v2.0.8 - 2016-09-30\n * http://hammerjs.github.io/\n *\n * Copyright (c) Jorik Tangelder;\n * Licensed under the MIT license */\n(function(window, document, exportName, undefined) { \n'use strict';\n/**\n * @private\n * use the val2 when val1 is undefined\n * @param {*} val1\n * @param {*} val2\n * @returns {*}\n */\nfunction ifUndefined(val1, val2) {\n return val1 === undefined ? val2 : val1;\n}\n\nvar VENDOR_PREFIXES = ['', 'webkit', 'Moz', 'MS', 'ms', 'o'];\nvar TEST_ELEMENT = document.createElement('div');\n\nvar TYPE_FUNCTION = 'function';\n\nvar round = Math.round;\nvar abs = Math.abs;\nvar now = Date.now;\n\n/**\n * @private\n * get the prefixed property\n * @param {Object} obj\n * @param {String} property\n * @returns {String|Undefined} prefixed\n */\nfunction prefixed(obj, property) {\n var prefix = void 0;\n var prop = void 0;\n var camelProp = property[0].toUpperCase() + property.slice(1);\n\n var i = 0;\n while (i < VENDOR_PREFIXES.length) {\n prefix = VENDOR_PREFIXES[i];\n prop = prefix ? prefix + camelProp : property;\n\n if (prop in obj) {\n return prop;\n }\n i++;\n }\n return undefined;\n}\n\nfunction getTouchActionProps() {\n if (!NATIVE_TOUCH_ACTION) {\n return false;\n }\n var touchMap = {};\n var cssSupports = window.CSS && window.CSS.supports;\n ['auto', 'manipulation', 'pan-y', 'pan-x', 'pan-x pan-y', 'none'].forEach(function (val) {\n\n // If css.supports is not supported but there is native touch-action assume it supports\n // all values. This is the case for IE 10 and 11.\n return touchMap[val] = cssSupports ? window.CSS.supports('touch-action', val) : true;\n });\n return touchMap;\n}\n\nvar PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style, 'touchAction');\nvar NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined;\n\n// magical touchAction value\nvar TOUCH_ACTION_COMPUTE = 'compute';\nvar TOUCH_ACTION_AUTO = 'auto';\nvar TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented\nvar TOUCH_ACTION_NONE = 'none';\nvar TOUCH_ACTION_PAN_X = 'pan-x';\nvar TOUCH_ACTION_PAN_Y = 'pan-y';\nvar TOUCH_ACTION_MAP = getTouchActionProps();\n\nvar MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;\n\nvar SUPPORT_TOUCH = 'ontouchstart' in window;\nvar SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !== undefined;\nvar SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(navigator.userAgent);\n\nvar INPUT_TYPE_TOUCH = 'touch';\nvar INPUT_TYPE_PEN = 'pen';\nvar INPUT_TYPE_MOUSE = 'mouse';\nvar INPUT_TYPE_KINECT = 'kinect';\n\nvar COMPUTE_INTERVAL = 25;\n\nvar INPUT_START = 1;\nvar INPUT_MOVE = 2;\nvar INPUT_END = 4;\nvar INPUT_CANCEL = 8;\n\nvar DIRECTION_NONE = 1;\nvar DIRECTION_LEFT = 2;\nvar DIRECTION_RIGHT = 4;\nvar DIRECTION_UP = 8;\nvar DIRECTION_DOWN = 16;\n\nvar DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT;\nvar DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN;\nvar DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;\n\nvar PROPS_XY = ['x', 'y'];\nvar PROPS_CLIENT_XY = ['clientX', 'clientY'];\n\nvar STATE_POSSIBLE = 1;\nvar STATE_BEGAN = 2;\nvar STATE_CHANGED = 4;\nvar STATE_ENDED = 8;\nvar STATE_RECOGNIZED = STATE_ENDED;\nvar STATE_CANCELLED = 16;\nvar STATE_FAILED = 32;\n\n/**\n * @private\n * extend object.\n * means that properties in dest will be overwritten by the ones in src.\n * @param {Object} target\n * @param {...Object} objects_to_assign\n * @returns {Object} target\n */\nvar assign = void 0;\nif (typeof Object.assign !== 'function') {\n assign = function assign(target) {\n if (target === undefined || target === null) {\n throw new TypeError('Cannot convert undefined or null to object');\n }\n\n var output = Object(target);\n for (var index = 1; index < arguments.length; index++) {\n var source = arguments[index];\n if (source !== undefined && source !== null) {\n for (var nextKey in source) {\n if (source.hasOwnProperty(nextKey)) {\n output[nextKey] = source[nextKey];\n }\n }\n }\n }\n return output;\n };\n} else {\n assign = Object.assign;\n}\n\nvar assign$1 = assign;\n\n/**\n * @private\n * get a unique id\n * @returns {number} uniqueId\n */\nvar _uniqueId = 1;\nfunction uniqueId() {\n return _uniqueId++;\n}\n\n/**\n * @private\n * walk objects and arrays\n * @param {Object} obj\n * @param {Function} iterator\n * @param {Object} context\n */\nfunction each(obj, iterator, context) {\n var i = void 0;\n\n if (!obj) {\n return;\n }\n\n if (obj.forEach) {\n obj.forEach(iterator, context);\n } else if (obj.length !== undefined) {\n i = 0;\n while (i < obj.length) {\n iterator.call(context, obj[i], i, obj);\n i++;\n }\n } else {\n for (i in obj) {\n obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj);\n }\n }\n}\n\n/**\n * @private\n * if the argument is an array, we want to execute the fn on each entry\n * if it aint an array we don't want to do a thing.\n * this is used by all the methods that accept a single and array argument.\n * @param {*|Array} arg\n * @param {String} fn\n * @param {Object} [context]\n * @returns {Boolean}\n */\nfunction invokeArrayArg(arg, fn, context) {\n if (Array.isArray(arg)) {\n each(arg, context[fn], context);\n return true;\n }\n return false;\n}\n\n/**\n * @private\n * find if a array contains the object using indexOf or a simple polyFill\n * @param {Array} src\n * @param {String} find\n * @param {String} [findByKey]\n * @return {number} -1 when not found, or the index\n */\nfunction inArray(src, find, findByKey) {\n if (src.indexOf && !findByKey) {\n return src.indexOf(find);\n } else {\n var i = 0;\n while (i < src.length) {\n if (findByKey && src[i][findByKey] == find || !findByKey && src[i] === find) {\n // do not use === here, test fails\n return i;\n }\n i++;\n }\n return -1;\n }\n}\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) {\n return typeof obj;\n} : function (obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n};\n\nvar asyncGenerator = function () {\n function AwaitValue(value) {\n this.value = value;\n }\n\n function AsyncGenerator(gen) {\n var front, back;\n\n function send(key, arg) {\n return new Promise(function (resolve, reject) {\n var request = {\n key: key,\n arg: arg,\n resolve: resolve,\n reject: reject,\n next: null\n };\n\n if (back) {\n back = back.next = request;\n } else {\n front = back = request;\n resume(key, arg);\n }\n });\n }\n\n function resume(key, arg) {\n try {\n var result = gen[key](arg);\n var value = result.value;\n\n if (value instanceof AwaitValue) {\n Promise.resolve(value.value).then(function (arg) {\n resume(\"next\", arg);\n }, function (arg) {\n resume(\"throw\", arg);\n });\n } else {\n settle(result.done ? \"return\" : \"normal\", result.value);\n }\n } catch (err) {\n settle(\"throw\", err);\n }\n }\n\n function settle(type, value) {\n switch (type) {\n case \"return\":\n front.resolve({\n value: value,\n done: true\n });\n break;\n\n case \"throw\":\n front.reject(value);\n break;\n\n default:\n front.resolve({\n value: value,\n done: false\n });\n break;\n }\n\n front = front.next;\n\n if (front) {\n resume(front.key, front.arg);\n } else {\n back = null;\n }\n }\n\n this._invoke = send;\n\n if (typeof gen.return !== \"function\") {\n this.return = undefined;\n }\n }\n\n if (typeof Symbol === \"function\" && Symbol.asyncIterator) {\n AsyncGenerator.prototype[Symbol.asyncIterator] = function () {\n return this;\n };\n }\n\n AsyncGenerator.prototype.next = function (arg) {\n return this._invoke(\"next\", arg);\n };\n\n AsyncGenerator.prototype.throw = function (arg) {\n return this._invoke(\"throw\", arg);\n };\n\n AsyncGenerator.prototype.return = function (arg) {\n return this._invoke(\"return\", arg);\n };\n\n return {\n wrap: function (fn) {\n return function () {\n return new AsyncGenerator(fn.apply(this, arguments));\n };\n },\n await: function (value) {\n return new AwaitValue(value);\n }\n };\n}();\n\nvar classCallCheck = function (instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n};\n\nvar createClass = function () {\n function defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n }\n\n return function (Constructor, protoProps, staticProps) {\n if (protoProps) defineProperties(Constructor.prototype, protoProps);\n if (staticProps) defineProperties(Constructor, staticProps);\n return Constructor;\n };\n}();\n\nvar get = function get(object, property, receiver) {\n if (object === null) object = Function.prototype;\n var desc = Object.getOwnPropertyDescriptor(object, property);\n\n if (desc === undefined) {\n var parent = Object.getPrototypeOf(object);\n\n if (parent === null) {\n return undefined;\n } else {\n return get(parent, property, receiver);\n }\n } else if (\"value\" in desc) {\n return desc.value;\n } else {\n var getter = desc.get;\n\n if (getter === undefined) {\n return undefined;\n }\n\n return getter.call(receiver);\n }\n};\n\nvar inherits = function (subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\nvar possibleConstructorReturn = function (self, call) {\n if (!self) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n};\n\nvar slicedToArray = function () {\n function sliceIterator(arr, i) {\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"]) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n }\n\n return function (arr, i) {\n if (Array.isArray(arr)) {\n return arr;\n } else if (Symbol.iterator in Object(arr)) {\n return sliceIterator(arr, i);\n } else {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n }\n };\n}();\n\n/**\n * @private\n * let a boolean value also be a function that must return a boolean\n * this first item in args will be used as the context\n * @param {Boolean|Function} val\n * @param {Array} [args]\n * @returns {Boolean}\n */\nfunction boolOrFn(val, args) {\n if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === TYPE_FUNCTION) {\n return val.apply(args ? args[0] || undefined : undefined, args);\n }\n return val;\n}\n\n/**\n * @private\n * get a recognizer by name if it is bound to a manager\n * @param {Recognizer|String} otherRecognizer\n * @param {Recognizer} recognizer\n * @returns {Recognizer}\n */\nfunction getRecognizerByNameIfManager(otherRecognizer, recognizer) {\n var manager = recognizer.manager;\n\n if (manager) {\n return manager.get(otherRecognizer);\n }\n return otherRecognizer;\n}\n\n/**\n * @private\n * get a usable string, used as event postfix\n * @param {constant} state\n * @returns {String} state\n */\nfunction stateStr(state) {\n if (state & STATE_CANCELLED) {\n return 'cancel';\n } else if (state & STATE_ENDED) {\n return 'end';\n } else if (state & STATE_CHANGED) {\n return 'move';\n } else if (state & STATE_BEGAN) {\n return 'start';\n }\n return '';\n}\n\n/**\n * @private\n * Recognizer flow explained; *\n * All recognizers have the initial state of POSSIBLE when a input session starts.\n * The definition of a input session is from the first input until the last input, with all it's movement in it. *\n * Example session for mouse-input: mousedown -> mousemove -> mouseup\n *\n * On each recognizing cycle (see Manager.recognize) the .recognize() method is executed\n * which determines with state it should be.\n *\n * If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to\n * POSSIBLE to give it another change on the next cycle.\n *\n * Possible\n * |\n * +-----+---------------+\n * | |\n * +-----+-----+ |\n * | | |\n * Failed Cancelled |\n * +-------+------+\n * | |\n * Recognized Began\n * |\n * Changed\n * |\n * Ended/Recognized\n */\n\n/**\n * @private\n * Recognizer\n * Every recognizer needs to extend from this class.\n * @constructor\n * @param {Object} options\n */\n\nvar Recognizer = function () {\n function Recognizer(options) {\n classCallCheck(this, Recognizer);\n\n this.options = assign$1({}, this.defaults, options || {});\n\n this.id = uniqueId();\n\n this.manager = null;\n\n // default is enable true\n this.options.enable = ifUndefined(this.options.enable, true);\n\n this.state = STATE_POSSIBLE;\n this.simultaneous = {};\n this.requireFail = [];\n }\n\n /**\n * @private\n * set options\n * @param {Object} options\n * @return {Recognizer}\n */\n\n\n createClass(Recognizer, [{\n key: 'set',\n value: function set(options) {\n assign$1(this.options, options);\n\n // also update the touchAction, in case something changed about the directions/enabled state\n this.manager && this.manager.touchAction.update();\n return this;\n }\n\n /**\n * @private\n * recognize simultaneous with an other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n\n }, {\n key: 'recognizeWith',\n value: function recognizeWith(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) {\n return this;\n }\n\n var simultaneous = this.simultaneous;\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n if (!simultaneous[otherRecognizer.id]) {\n simultaneous[otherRecognizer.id] = otherRecognizer;\n otherRecognizer.recognizeWith(this);\n }\n return this;\n }\n\n /**\n * @private\n * drop the simultaneous link. it doesnt remove the link on the other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n\n }, {\n key: 'dropRecognizeWith',\n value: function dropRecognizeWith(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) {\n return this;\n }\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n delete this.simultaneous[otherRecognizer.id];\n return this;\n }\n\n /**\n * @private\n * recognizer can only run when an other is failing\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n\n }, {\n key: 'requireFailure',\n value: function requireFailure(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {\n return this;\n }\n\n var requireFail = this.requireFail;\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n if (inArray(requireFail, otherRecognizer) === -1) {\n requireFail.push(otherRecognizer);\n otherRecognizer.requireFailure(this);\n }\n return this;\n }\n\n /**\n * @private\n * drop the requireFailure link. it does not remove the link on the other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n\n }, {\n key: 'dropRequireFailure',\n value: function dropRequireFailure(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) {\n return this;\n }\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n var index = inArray(this.requireFail, otherRecognizer);\n if (index > -1) {\n this.requireFail.splice(index, 1);\n }\n return this;\n }\n\n /**\n * @private\n * has require failures boolean\n * @returns {boolean}\n */\n\n }, {\n key: 'hasRequireFailures',\n value: function hasRequireFailures() {\n return this.requireFail.length > 0;\n }\n\n /**\n * @private\n * if the recognizer can recognize simultaneous with an other recognizer\n * @param {Recognizer} otherRecognizer\n * @returns {Boolean}\n */\n\n }, {\n key: 'canRecognizeWith',\n value: function canRecognizeWith(otherRecognizer) {\n return !!this.simultaneous[otherRecognizer.id];\n }\n\n /**\n * @private\n * You should use `tryEmit` instead of `emit` directly to check\n * that all the needed recognizers has failed before emitting.\n * @param {Object} input\n */\n\n }, {\n key: 'emit',\n value: function emit(input) {\n var self = this;\n var state = this.state;\n\n\n function emit(event) {\n self.manager.emit(event, input);\n }\n\n // 'panstart' and 'panmove'\n if (state < STATE_ENDED) {\n emit(self.options.event + stateStr(state));\n }\n\n emit(self.options.event); // simple 'eventName' events\n\n if (input.additionalEvent) {\n // additional event(panleft, panright, pinchin, pinchout...)\n emit(input.additionalEvent);\n }\n\n // panend and pancancel\n if (state >= STATE_ENDED) {\n emit(self.options.event + stateStr(state));\n }\n }\n\n /**\n * @private\n * Check that all the require failure recognizers has failed,\n * if true, it emits a gesture event,\n * otherwise, setup the state to FAILED.\n * @param {Object} input\n */\n\n }, {\n key: 'tryEmit',\n value: function tryEmit(input) {\n if (this.canEmit()) {\n return this.emit(input);\n }\n // it's failing anyway\n this.state = STATE_FAILED;\n }\n\n /**\n * @private\n * can we emit?\n * @returns {boolean}\n */\n\n }, {\n key: 'canEmit',\n value: function canEmit() {\n var i = 0;\n while (i < this.requireFail.length) {\n if (!(this.requireFail[i].state & (STATE_FAILED | STATE_POSSIBLE))) {\n return false;\n }\n i++;\n }\n return true;\n }\n\n /**\n * @private\n * update the recognizer\n * @param {Object} inputData\n */\n\n }, {\n key: 'recognize',\n value: function recognize(inputData) {\n // make a new copy of the inputData\n // so we can change the inputData without messing up the other recognizers\n var inputDataClone = assign$1({}, inputData);\n\n // is is enabled and allow recognizing?\n if (!boolOrFn(this.options.enable, [this, inputDataClone])) {\n this.reset();\n this.state = STATE_FAILED;\n return;\n }\n\n // reset when we've reached the end\n if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {\n this.state = STATE_POSSIBLE;\n }\n\n this.state = this.process(inputDataClone);\n\n // the recognizer has recognized a gesture\n // so trigger an event\n if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {\n this.tryEmit(inputDataClone);\n }\n }\n\n /**\n * @private\n * return the state of the recognizer\n * the actual recognizing happens in this method\n * @virtual\n * @param {Object} inputData\n * @returns {constant} STATE\n */\n\n /* jshint ignore:start */\n\n }, {\n key: 'process',\n value: function process(inputData) {}\n /* jshint ignore:end */\n\n /**\n * @private\n * return the preferred touch-action\n * @virtual\n * @returns {Array}\n */\n\n }, {\n key: 'getTouchAction',\n value: function getTouchAction() {}\n\n /**\n * @private\n * called when the gesture isn't allowed to recognize\n * like when another is being recognized or it is disabled\n * @virtual\n */\n\n }, {\n key: 'reset',\n value: function reset() {}\n }]);\n return Recognizer;\n}();\n\nRecognizer.prototype.defaults = {};\n\n/**\n * @private\n * This recognizer is just used as a base for the simple attribute recognizers.\n * @constructor\n * @extends Recognizer\n */\n\nvar AttrRecognizer = function (_Recognizer) {\n inherits(AttrRecognizer, _Recognizer);\n\n function AttrRecognizer() {\n classCallCheck(this, AttrRecognizer);\n return possibleConstructorReturn(this, (AttrRecognizer.__proto__ || Object.getPrototypeOf(AttrRecognizer)).apply(this, arguments));\n }\n\n /**\n * @private\n * Used to check if it the recognizer receives valid input, like input.distance > 10.\n * @memberof AttrRecognizer\n * @param {Object} input\n * @returns {Boolean} recognized\n */\n\n\n createClass(AttrRecognizer, [{\n key: 'attrTest',\n value: function attrTest(input) {\n var optionPointers = this.options.pointers;\n return optionPointers === 0 || input.pointers.length === optionPointers;\n }\n\n /**\n * @private\n * Process the input and return the state for the recognizer\n * @memberof AttrRecognizer\n * @param {Object} input\n * @returns {*} State\n */\n\n }, {\n key: 'process',\n value: function process(input) {\n var state = this.state;\n var eventType = input.eventType;\n\n\n var isRecognized = state & (STATE_BEGAN | STATE_CHANGED);\n var isValid = this.attrTest(input);\n\n // on cancel input and we've recognized before, return STATE_CANCELLED\n if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) {\n return state | STATE_CANCELLED;\n } else if (isRecognized || isValid) {\n if (eventType & INPUT_END) {\n return state | STATE_ENDED;\n } else if (!(state & STATE_BEGAN)) {\n return STATE_BEGAN;\n }\n return state | STATE_CHANGED;\n }\n return STATE_FAILED;\n }\n }]);\n return AttrRecognizer;\n}(Recognizer);\n\nAttrRecognizer.prototype.defaults = {\n /**\n * @private\n * @type {Number}\n * @default 1\n */\n pointers: 1\n};\n\n/**\n * @private\n * Rotate\n * Recognized when two or more pointer are moving in a circular motion.\n * @constructor\n * @extends AttrRecognizer\n */\n\nvar RotateRecognizer = function (_AttrRecognizer) {\n inherits(RotateRecognizer, _AttrRecognizer);\n\n function RotateRecognizer() {\n classCallCheck(this, RotateRecognizer);\n return possibleConstructorReturn(this, (RotateRecognizer.__proto__ || Object.getPrototypeOf(RotateRecognizer)).apply(this, arguments));\n }\n\n createClass(RotateRecognizer, [{\n key: 'getTouchAction',\n value: function getTouchAction() {\n return [TOUCH_ACTION_NONE];\n }\n }, {\n key: 'attrTest',\n value: function attrTest(input) {\n return get(RotateRecognizer.prototype.__proto__ || Object.getPrototypeOf(RotateRecognizer.prototype), 'attrTest', this).call(this, input) && (Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN);\n }\n }]);\n return RotateRecognizer;\n}(AttrRecognizer);\n\nRotateRecognizer.prototype.defaults = {\n event: 'rotate',\n threshold: 0,\n pointers: 2\n};\n\n/**\n * @private\n * Pinch\n * Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).\n * @constructor\n * @extends AttrRecognizer\n */\n\nvar PinchRecognizer = function (_AttrRecognizer) {\n inherits(PinchRecognizer, _AttrRecognizer);\n\n function PinchRecognizer() {\n classCallCheck(this, PinchRecognizer);\n return possibleConstructorReturn(this, (PinchRecognizer.__proto__ || Object.getPrototypeOf(PinchRecognizer)).apply(this, arguments));\n }\n\n createClass(PinchRecognizer, [{\n key: 'getTouchAction',\n value: function getTouchAction() {\n return [TOUCH_ACTION_NONE];\n }\n }, {\n key: 'attrTest',\n value: function attrTest(input) {\n return get(PinchRecognizer.prototype.__proto__ || Object.getPrototypeOf(PinchRecognizer.prototype), 'attrTest', this).call(this, input) && (Math.abs(input.scale - 1) > this.options.threshold || this.state & STATE_BEGAN);\n }\n }, {\n key: 'emit',\n value: function emit(input) {\n if (input.scale !== 1) {\n var inOut = input.scale < 1 ? 'in' : 'out';\n input.additionalEvent = this.options.event + inOut;\n }\n get(PinchRecognizer.prototype.__proto__ || Object.getPrototypeOf(PinchRecognizer.prototype), 'emit', this).call(this, input);\n }\n }]);\n return PinchRecognizer;\n}(AttrRecognizer);\n\nPinchRecognizer.prototype.defaults = {\n event: 'pinch',\n threshold: 0,\n pointers: 2\n};\n\n/**\n * @private\n * direction cons to string\n * @param {constant} direction\n * @returns {String}\n */\nfunction directionStr(direction) {\n if (direction === DIRECTION_DOWN) {\n return 'down';\n } else if (direction === DIRECTION_UP) {\n return 'up';\n } else if (direction === DIRECTION_LEFT) {\n return 'left';\n } else if (direction === DIRECTION_RIGHT) {\n return 'right';\n }\n return '';\n}\n\n/**\n * @private\n * Pan\n * Recognized when the pointer is down and moved in the allowed direction.\n * @constructor\n * @extends AttrRecognizer\n */\n\nvar PanRecognizer = function (_AttrRecognizer) {\n inherits(PanRecognizer, _AttrRecognizer);\n\n function PanRecognizer() {\n classCallCheck(this, PanRecognizer);\n\n var _this = possibleConstructorReturn(this, (PanRecognizer.__proto__ || Object.getPrototypeOf(PanRecognizer)).apply(this, arguments));\n\n _this.pX = null;\n _this.pY = null;\n return _this;\n }\n\n createClass(PanRecognizer, [{\n key: 'getTouchAction',\n value: function getTouchAction() {\n var direction = this.options.direction;\n\n var actions = [];\n if (direction & DIRECTION_HORIZONTAL) {\n actions.push(TOUCH_ACTION_PAN_Y);\n }\n if (direction & DIRECTION_VERTICAL) {\n actions.push(TOUCH_ACTION_PAN_X);\n }\n return actions;\n }\n }, {\n key: 'directionTest',\n value: function directionTest(input) {\n var options = this.options;\n\n var hasMoved = true;\n var distance = input.distance;\n var direction = input.direction;\n\n var x = input.deltaX;\n var y = input.deltaY;\n\n // lock to axis?\n if (!(direction & options.direction)) {\n if (options.direction & DIRECTION_HORIZONTAL) {\n direction = x === 0 ? DIRECTION_NONE : x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;\n hasMoved = x !== this.pX;\n distance = Math.abs(input.deltaX);\n } else {\n direction = y === 0 ? DIRECTION_NONE : y < 0 ? DIRECTION_UP : DIRECTION_DOWN;\n hasMoved = y !== this.pY;\n distance = Math.abs(input.deltaY);\n }\n }\n input.direction = direction;\n return hasMoved && distance > options.threshold && direction & options.direction;\n }\n }, {\n key: 'attrTest',\n value: function attrTest(input) {\n return AttrRecognizer.prototype.attrTest.call(this, input) && ( // replace with a super call\n this.state & STATE_BEGAN || !(this.state & STATE_BEGAN) && this.directionTest(input));\n }\n }, {\n key: 'emit',\n value: function emit(input) {\n\n this.pX = input.deltaX;\n this.pY = input.deltaY;\n\n var direction = directionStr(input.direction);\n\n if (direction) {\n input.additionalEvent = this.options.event + direction;\n }\n get(PanRecognizer.prototype.__proto__ || Object.getPrototypeOf(PanRecognizer.prototype), 'emit', this).call(this, input);\n }\n }]);\n return PanRecognizer;\n}(AttrRecognizer);\n\nPanRecognizer.prototype.defaults = {\n event: 'pan',\n threshold: 10,\n pointers: 1,\n direction: DIRECTION_ALL\n};\n\n/**\n * @private\n * Swipe\n * Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.\n * @constructor\n * @extends AttrRecognizer\n */\n\nvar SwipeRecognizer = function (_AttrRecognizer) {\n inherits(SwipeRecognizer, _AttrRecognizer);\n\n function SwipeRecognizer() {\n classCallCheck(this, SwipeRecognizer);\n return possibleConstructorReturn(this, (SwipeRecognizer.__proto__ || Object.getPrototypeOf(SwipeRecognizer)).apply(this, arguments));\n }\n\n createClass(SwipeRecognizer, [{\n key: 'getTouchAction',\n value: function getTouchAction() {\n return PanRecognizer.prototype.getTouchAction.call(this);\n }\n }, {\n key: 'attrTest',\n value: function attrTest(input) {\n var direction = this.options.direction;\n\n var velocity = void 0;\n\n if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) {\n velocity = input.overallVelocity;\n } else if (direction & DIRECTION_HORIZONTAL) {\n velocity = input.overallVelocityX;\n } else if (direction & DIRECTION_VERTICAL) {\n velocity = input.overallVelocityY;\n }\n\n return get(SwipeRecognizer.prototype.__proto__ || Object.getPrototypeOf(SwipeRecognizer.prototype), 'attrTest', this).call(this, input) && direction & input.offsetDirection && input.distance > this.options.threshold && input.maxPointers === this.options.pointers && abs(velocity) > this.options.velocity && input.eventType & INPUT_END;\n }\n }, {\n key: 'emit',\n value: function emit(input) {\n var direction = directionStr(input.offsetDirection);\n if (direction) {\n this.manager.emit(this.options.event + direction, input);\n }\n\n this.manager.emit(this.options.event, input);\n }\n }]);\n return SwipeRecognizer;\n}(AttrRecognizer);\n\nSwipeRecognizer.prototype.defaults = {\n event: 'swipe',\n threshold: 10,\n velocity: 0.3,\n direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL,\n pointers: 1\n};\n\n/**\n * @private\n * simple function bind\n * @param {Function} fn\n * @param {Object} context\n * @returns {Function}\n */\nfunction bindFn(fn, context) {\n return function boundFn() {\n return fn.apply(context, arguments);\n };\n}\n\n/**\n * @private\n * set a timeout with a given scope\n * @param {Function} fn\n * @param {Number} timeout\n * @param {Object} context\n * @returns {number}\n */\nfunction setTimeoutContext(fn, timeout, context) {\n return setTimeout(bindFn(fn, context), timeout);\n}\n\n/**\n * @private\n * calculate the absolute distance between two points\n * @param {Object} p1 {x, y}\n * @param {Object} p2 {x, y}\n * @param {Array} [props] containing x and y keys\n * @return {Number} distance\n */\nfunction getDistance(p1, p2, props) {\n if (!props) {\n props = PROPS_XY;\n }\n var x = p2[props[0]] - p1[props[0]];\n var y = p2[props[1]] - p1[props[1]];\n\n return Math.sqrt(x * x + y * y);\n}\n\n/**\n * @private\n * A tap is recognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur\n * between the given interval and position. The delay option can be used to recognize multi-taps without firing\n * a single tap.\n *\n * The eventData from the emitted event contains the property `tapCount`, which contains the amount of\n * multi-taps being recognized.\n * @constructor\n * @extends Recognizer\n */\n\nvar TapRecognizer = function (_Recognizer) {\n inherits(TapRecognizer, _Recognizer);\n\n function TapRecognizer() {\n classCallCheck(this, TapRecognizer);\n\n // previous time and center,\n // used for tap counting\n var _this = possibleConstructorReturn(this, (TapRecognizer.__proto__ || Object.getPrototypeOf(TapRecognizer)).apply(this, arguments));\n\n _this.pTime = false;\n _this.pCenter = false;\n\n _this._timer = null;\n _this._input = null;\n _this.count = 0;\n return _this;\n }\n\n createClass(TapRecognizer, [{\n key: 'getTouchAction',\n value: function getTouchAction() {\n return [TOUCH_ACTION_MANIPULATION];\n }\n }, {\n key: 'process',\n value: function process(input) {\n var _this2 = this;\n\n var options = this.options;\n\n\n var validPointers = input.pointers.length === options.pointers;\n var validMovement = input.distance < options.threshold;\n var validTouchTime = input.deltaTime < options.time;\n\n this.reset();\n\n if (input.eventType & INPUT_START && this.count === 0) {\n return this.failTimeout();\n }\n\n // we only allow little movement\n // and we've reached an end event, so a tap is possible\n if (validMovement && validTouchTime && validPointers) {\n if (input.eventType !== INPUT_END) {\n return this.failTimeout();\n }\n\n var validInterval = this.pTime ? input.timeStamp - this.pTime < options.interval : true;\n var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold;\n\n this.pTime = input.timeStamp;\n this.pCenter = input.center;\n\n if (!validMultiTap || !validInterval) {\n this.count = 1;\n } else {\n this.count += 1;\n }\n\n this._input = input;\n\n // if tap count matches we have recognized it,\n // else it has began recognizing...\n var tapCount = this.count % options.taps;\n if (tapCount === 0) {\n // no failing requirements, immediately trigger the tap event\n // or wait as long as the multitap interval to trigger\n if (!this.hasRequireFailures()) {\n return STATE_RECOGNIZED;\n } else {\n this._timer = setTimeoutContext(function () {\n _this2.state = STATE_RECOGNIZED;\n _this2.tryEmit();\n }, options.interval, this);\n return STATE_BEGAN;\n }\n }\n }\n return STATE_FAILED;\n }\n }, {\n key: 'failTimeout',\n value: function failTimeout() {\n var _this3 = this;\n\n this._timer = setTimeoutContext(function () {\n _this3.state = STATE_FAILED;\n }, this.options.interval, this);\n return STATE_FAILED;\n }\n }, {\n key: 'reset',\n value: function reset() {\n clearTimeout(this._timer);\n }\n }, {\n key: 'emit',\n value: function emit() {\n if (this.state === STATE_RECOGNIZED) {\n this._input.tapCount = this.count;\n this.manager.emit(this.options.event, this._input);\n }\n }\n }]);\n return TapRecognizer;\n}(Recognizer);\n\nTapRecognizer.prototype.defaults = {\n event: 'tap',\n pointers: 1,\n taps: 1,\n interval: 300, // max time between the multi-tap taps\n time: 250, // max time of the pointer to be down (like finger on the screen)\n threshold: 9, // a minimal movement is ok, but keep it low\n posThreshold: 10 // a multi-tap can be a bit off the initial position\n};\n\n/**\n * @private\n * Press\n * Recognized when the pointer is down for x ms without any movement.\n * @constructor\n * @extends Recognizer\n */\n\nvar PressRecognizer = function (_Recognizer) {\n inherits(PressRecognizer, _Recognizer);\n\n function PressRecognizer() {\n classCallCheck(this, PressRecognizer);\n\n var _this = possibleConstructorReturn(this, (PressRecognizer.__proto__ || Object.getPrototypeOf(PressRecognizer)).apply(this, arguments));\n\n _this._timer = null;\n _this._input = null;\n return _this;\n }\n\n createClass(PressRecognizer, [{\n key: 'getTouchAction',\n value: function getTouchAction() {\n return [TOUCH_ACTION_AUTO];\n }\n }, {\n key: 'process',\n value: function process(input) {\n var _this2 = this;\n\n var options = this.options;\n\n var validPointers = input.pointers.length === options.pointers;\n var validMovement = input.distance < options.threshold;\n var validTime = input.deltaTime > options.time;\n\n this._input = input;\n\n // we only allow little movement\n // and we've reached an end event, so a tap is possible\n if (!validMovement || !validPointers || input.eventType & (INPUT_END | INPUT_CANCEL) && !validTime) {\n this.reset();\n } else if (input.eventType & INPUT_START) {\n this.reset();\n this._timer = setTimeoutContext(function () {\n _this2.state = STATE_RECOGNIZED;\n _this2.tryEmit();\n }, options.time, this);\n } else if (input.eventType & INPUT_END) {\n return STATE_RECOGNIZED;\n }\n return STATE_FAILED;\n }\n }, {\n key: 'reset',\n value: function reset() {\n clearTimeout(this._timer);\n }\n }, {\n key: 'emit',\n value: function emit(input) {\n if (this.state !== STATE_RECOGNIZED) {\n return;\n }\n\n if (input && input.eventType & INPUT_END) {\n this.manager.emit(this.options.event + 'up', input);\n } else {\n this._input.timeStamp = now();\n this.manager.emit(this.options.event, this._input);\n }\n }\n }]);\n return PressRecognizer;\n}(Recognizer);\n\nPressRecognizer.prototype.defaults = {\n event: 'press',\n pointers: 1,\n time: 251, // minimal time of the pointer to be pressed\n threshold: 9 // a minimal movement is ok, but keep it low\n};\n\n/**\n * @private\n * small indexOf wrapper\n * @param {String} str\n * @param {String} find\n * @returns {Boolean} found\n */\nfunction inStr(str, find) {\n return str.indexOf(find) > -1;\n}\n\n/**\n * @private\n * when the touchActions are collected they are not a valid value, so we need to clean things up. *\n * @param {String} actions\n * @returns {*}\n */\nfunction cleanTouchActions(actions) {\n // none\n if (inStr(actions, TOUCH_ACTION_NONE)) {\n return TOUCH_ACTION_NONE;\n }\n\n var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);\n var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);\n\n // if both pan-x and pan-y are set (different recognizers\n // for different directions, e.g. horizontal pan but vertical swipe?)\n // we need none (as otherwise with pan-x pan-y combined none of these\n // recognizers will work, since the browser would handle all panning\n if (hasPanX && hasPanY) {\n return TOUCH_ACTION_NONE;\n }\n\n // pan-x OR pan-y\n if (hasPanX || hasPanY) {\n return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;\n }\n\n // manipulation\n if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {\n return TOUCH_ACTION_MANIPULATION;\n }\n\n return TOUCH_ACTION_AUTO;\n}\n\n/**\n * @private\n * Touch Action\n * sets the touchAction property or uses the js alternative\n * @param {Manager} manager\n * @param {String} value\n * @constructor\n */\n\nvar TouchAction = function () {\n function TouchAction(manager, value) {\n classCallCheck(this, TouchAction);\n\n this.manager = manager;\n this.set(value);\n }\n\n /**\n * @private\n * set the touchAction value on the element or enable the polyfill\n * @param {String} value\n */\n\n\n createClass(TouchAction, [{\n key: 'set',\n value: function set(value) {\n // find out the touch-action by the event handlers\n if (value === TOUCH_ACTION_COMPUTE) {\n value = this.compute();\n }\n\n if (NATIVE_TOUCH_ACTION && this.manager.element.style && TOUCH_ACTION_MAP[value]) {\n this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;\n }\n this.actions = value.toLowerCase().trim();\n }\n\n /**\n * @private\n * just re-set the touchAction value\n */\n\n }, {\n key: 'update',\n value: function update() {\n this.set(this.manager.options.touchAction);\n }\n\n /**\n * @private\n * compute the value for the touchAction property based on the recognizer's settings\n * @returns {String} value\n */\n\n }, {\n key: 'compute',\n value: function compute() {\n var actions = [];\n each(this.manager.recognizers, function (recognizer) {\n if (boolOrFn(recognizer.options.enable, [recognizer])) {\n actions = actions.concat(recognizer.getTouchAction());\n }\n });\n return cleanTouchActions(actions.join(' '));\n }\n\n /**\n * @private\n * this method is called on each input cycle and provides the preventing of the browser behavior\n * @param {Object} input\n */\n\n }, {\n key: 'preventDefaults',\n value: function preventDefaults(input) {\n var srcEvent = input.srcEvent;\n\n var direction = input.offsetDirection;\n\n // if the touch action did prevented once this session\n if (this.manager.session.prevented) {\n srcEvent.preventDefault();\n return;\n }\n\n var actions = this.actions;\n\n var hasNone = inStr(actions, TOUCH_ACTION_NONE) && !TOUCH_ACTION_MAP[TOUCH_ACTION_NONE];\n var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_Y];\n var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_X];\n\n if (hasNone) {\n // do not prevent defaults if this is a tap gesture\n var isTapPointer = input.pointers.length === 1;\n var isTapMovement = input.distance < 2;\n var isTapTouchTime = input.deltaTime < 250;\n\n if (isTapPointer && isTapMovement && isTapTouchTime) {\n return;\n }\n }\n\n if (hasPanX && hasPanY) {\n // `pan-x pan-y` means browser handles all scrolling/panning, do not prevent\n return;\n }\n\n if (hasNone || hasPanY && direction & DIRECTION_HORIZONTAL || hasPanX && direction & DIRECTION_VERTICAL) {\n return this.preventSrc(srcEvent);\n }\n }\n\n /**\n * @private\n * call preventDefault to prevent the browser's default behavior (scrolling in most cases)\n * @param {Object} srcEvent\n */\n\n }, {\n key: 'preventSrc',\n value: function preventSrc(srcEvent) {\n this.manager.session.prevented = true;\n srcEvent.preventDefault();\n }\n }]);\n return TouchAction;\n}();\n\n/**\n * @private\n * find if a node is in the given parent\n * @method hasParent\n * @param {HTMLElement} node\n * @param {HTMLElement} parent\n * @return {Boolean} found\n */\nfunction hasParent(node, parent) {\n while (node) {\n if (node === parent) {\n return true;\n }\n node = node.parentNode;\n }\n return false;\n}\n\n/**\n * @private\n * get the center of all the pointers\n * @param {Array} pointers\n * @return {Object} center contains `x` and `y` properties\n */\nfunction getCenter(pointers) {\n var pointersLength = pointers.length;\n\n // no need to loop when only one touch\n if (pointersLength === 1) {\n return {\n x: round(pointers[0].clientX),\n y: round(pointers[0].clientY)\n };\n }\n\n var x = 0;\n var y = 0;\n var i = 0;\n while (i < pointersLength) {\n x += pointers[i].clientX;\n y += pointers[i].clientY;\n i++;\n }\n\n return {\n x: round(x / pointersLength),\n y: round(y / pointersLength)\n };\n}\n\n/**\n * @private\n * create a simple clone from the input used for storage of firstInput and firstMultiple\n * @param {Object} input\n * @returns {Object} clonedInputData\n */\nfunction simpleCloneInputData(input) {\n // make a simple copy of the pointers because we will get a reference if we don't\n // we only need clientXY for the calculations\n var pointers = [];\n var i = 0;\n while (i < input.pointers.length) {\n pointers[i] = {\n clientX: round(input.pointers[i].clientX),\n clientY: round(input.pointers[i].clientY)\n };\n i++;\n }\n\n return {\n timeStamp: now(),\n pointers: pointers,\n center: getCenter(pointers),\n deltaX: input.deltaX,\n deltaY: input.deltaY\n };\n}\n\n/**\n * @private\n * calculate the angle between two coordinates\n * @param {Object} p1\n * @param {Object} p2\n * @param {Array} [props] containing x and y keys\n * @return {Number} angle\n */\nfunction getAngle(p1, p2, props) {\n if (!props) {\n props = PROPS_XY;\n }\n var x = p2[props[0]] - p1[props[0]];\n var y = p2[props[1]] - p1[props[1]];\n return Math.atan2(y, x) * 180 / Math.PI;\n}\n\n/**\n * @private\n * get the direction between two points\n * @param {Number} x\n * @param {Number} y\n * @return {Number} direction\n */\nfunction getDirection(x, y) {\n if (x === y) {\n return DIRECTION_NONE;\n }\n\n if (abs(x) >= abs(y)) {\n return x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;\n }\n return y < 0 ? DIRECTION_UP : DIRECTION_DOWN;\n}\n\nfunction computeDeltaXY(session, input) {\n var center = input.center;\n // let { offsetDelta:offset = {}, prevDelta = {}, prevInput = {} } = session;\n // jscs throwing error on defalut destructured values and without defaults tests fail\n\n var offset = session.offsetDelta || {};\n var prevDelta = session.prevDelta || {};\n var prevInput = session.prevInput || {};\n\n if (input.eventType === INPUT_START || prevInput.eventType === INPUT_END) {\n prevDelta = session.prevDelta = {\n x: prevInput.deltaX || 0,\n y: prevInput.deltaY || 0\n };\n\n offset = session.offsetDelta = {\n x: center.x,\n y: center.y\n };\n }\n\n input.deltaX = prevDelta.x + (center.x - offset.x);\n input.deltaY = prevDelta.y + (center.y - offset.y);\n}\n\n/**\n * @private\n * calculate the velocity between two points. unit is in px per ms.\n * @param {Number} deltaTime\n * @param {Number} x\n * @param {Number} y\n * @return {Object} velocity `x` and `y`\n */\nfunction getVelocity(deltaTime, x, y) {\n return {\n x: x / deltaTime || 0,\n y: y / deltaTime || 0\n };\n}\n\n/**\n * @private\n * calculate the scale factor between two pointersets\n * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out\n * @param {Array} start array of pointers\n * @param {Array} end array of pointers\n * @return {Number} scale\n */\nfunction getScale(start, end) {\n return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(start[0], start[1], PROPS_CLIENT_XY);\n}\n\n/**\n * @private\n * calculate the rotation degrees between two pointersets\n * @param {Array} start array of pointers\n * @param {Array} end array of pointers\n * @return {Number} rotation\n */\nfunction getRotation(start, end) {\n return getAngle(end[1], end[0], PROPS_CLIENT_XY) + getAngle(start[1], start[0], PROPS_CLIENT_XY);\n}\n\n/**\n * @private\n * velocity is calculated every x ms\n * @param {Object} session\n * @param {Object} input\n */\nfunction computeIntervalInputData(session, input) {\n var last = session.lastInterval || input;\n var deltaTime = input.timeStamp - last.timeStamp;\n var velocity = void 0;\n var velocityX = void 0;\n var velocityY = void 0;\n var direction = void 0;\n\n if (input.eventType !== INPUT_CANCEL && (deltaTime > COMPUTE_INTERVAL || last.velocity === undefined)) {\n var deltaX = input.deltaX - last.deltaX;\n var deltaY = input.deltaY - last.deltaY;\n\n var v = getVelocity(deltaTime, deltaX, deltaY);\n velocityX = v.x;\n velocityY = v.y;\n velocity = abs(v.x) > abs(v.y) ? v.x : v.y;\n direction = getDirection(deltaX, deltaY);\n\n session.lastInterval = input;\n } else {\n // use latest velocity info if it doesn't overtake a minimum period\n velocity = last.velocity;\n velocityX = last.velocityX;\n velocityY = last.velocityY;\n direction = last.direction;\n }\n\n input.velocity = velocity;\n input.velocityX = velocityX;\n input.velocityY = velocityY;\n input.direction = direction;\n}\n\n/**\n* @private\n * extend the data with some usable properties like scale, rotate, velocity etc\n * @param {Object} manager\n * @param {Object} input\n */\nfunction computeInputData(manager, input) {\n var session = manager.session;\n var pointers = input.pointers;\n var pointersLength = pointers.length;\n\n // store the first input to calculate the distance and direction\n\n if (!session.firstInput) {\n session.firstInput = simpleCloneInputData(input);\n }\n\n // to compute scale and rotation we need to store the multiple touches\n if (pointersLength > 1 && !session.firstMultiple) {\n session.firstMultiple = simpleCloneInputData(input);\n } else if (pointersLength === 1) {\n session.firstMultiple = false;\n }\n\n var firstInput = session.firstInput;\n var firstMultiple = session.firstMultiple;\n\n var offsetCenter = firstMultiple ? firstMultiple.center : firstInput.center;\n\n var center = input.center = getCenter(pointers);\n input.timeStamp = now();\n input.deltaTime = input.timeStamp - firstInput.timeStamp;\n\n input.angle = getAngle(offsetCenter, center);\n input.distance = getDistance(offsetCenter, center);\n\n computeDeltaXY(session, input);\n input.offsetDirection = getDirection(input.deltaX, input.deltaY);\n\n var overallVelocity = getVelocity(input.deltaTime, input.deltaX, input.deltaY);\n input.overallVelocityX = overallVelocity.x;\n input.overallVelocityY = overallVelocity.y;\n input.overallVelocity = abs(overallVelocity.x) > abs(overallVelocity.y) ? overallVelocity.x : overallVelocity.y;\n\n input.scale = firstMultiple ? getScale(firstMultiple.pointers, pointers) : 1;\n input.rotation = firstMultiple ? getRotation(firstMultiple.pointers, pointers) : 0;\n\n input.maxPointers = !session.prevInput ? input.pointers.length : input.pointers.length > session.prevInput.maxPointers ? input.pointers.length : session.prevInput.maxPointers;\n\n computeIntervalInputData(session, input);\n\n // find the correct target\n var target = manager.element;\n if (hasParent(input.srcEvent.target, target)) {\n target = input.srcEvent.target;\n }\n input.target = target;\n}\n\n/**\n * @private\n * handle input events\n * @param {Manager} manager\n * @param {String} eventType\n * @param {Object} input\n */\nfunction inputHandler(manager, eventType, input) {\n var pointersLen = input.pointers.length;\n var changedPointersLen = input.changedPointers.length;\n var isFirst = eventType & INPUT_START && pointersLen - changedPointersLen === 0;\n var isFinal = eventType & (INPUT_END | INPUT_CANCEL) && pointersLen - changedPointersLen === 0;\n\n input.isFirst = !!isFirst;\n input.isFinal = !!isFinal;\n\n if (isFirst) {\n manager.session = {};\n }\n\n // source event is the normalized value of the domEvents\n // like 'touchstart, mouseup, pointerdown'\n input.eventType = eventType;\n\n // compute scale, rotation etc\n computeInputData(manager, input);\n\n // emit secret event\n manager.emit('hammer.input', input);\n\n manager.recognize(input);\n manager.session.prevInput = input;\n}\n\n/**\n * @private\n * split string on whitespace\n * @param {String} str\n * @returns {Array} words\n */\n\nfunction splitStr(str) {\n return str.trim().split(/\\s+/g);\n}\n\n/**\n * @private\n * addEventListener with multiple events at once\n * @param {EventTarget} target\n * @param {String} types\n * @param {Function} handler\n */\nfunction addEventListeners(target, types, handler) {\n each(splitStr(types), function (type) {\n target.addEventListener(type, handler, false);\n });\n}\n\n/**\n * @private\n * removeEventListener with multiple events at once\n * @param {EventTarget} target\n * @param {String} types\n * @param {Function} handler\n */\nfunction removeEventListeners(target, types, handler) {\n each(splitStr(types), function (type) {\n target.removeEventListener(type, handler, false);\n });\n}\n\n/**\n * @private\n * get the window object of an element\n * @param {HTMLElement} element\n * @returns {DocumentView|Window}\n */\nfunction getWindowForElement(element) {\n var doc = element.ownerDocument || element;\n return doc.defaultView || doc.parentWindow || window;\n}\n\n/**\n * @private\n * create new input type manager\n * @param {Manager} manager\n * @param {Function} callback\n * @returns {Input}\n * @constructor\n */\n\nvar Input = function () {\n function Input(manager, callback) {\n classCallCheck(this, Input);\n\n var self = this;\n this.manager = manager;\n this.callback = callback;\n this.element = manager.element;\n this.target = manager.options.inputTarget;\n\n // smaller wrapper around the handler, for the scope and the enabled state of the manager,\n // so when disabled the input events are completely bypassed.\n this.domHandler = function (ev) {\n if (boolOrFn(manager.options.enable, [manager])) {\n self.handler(ev);\n }\n };\n\n this.init();\n }\n /**\n * @private\n * should handle the inputEvent data and trigger the callback\n * @virtual\n */\n\n\n createClass(Input, [{\n key: 'handler',\n value: function handler() {}\n\n /**\n * @private\n * bind the events\n */\n\n }, {\n key: 'init',\n value: function init() {\n this.evEl && addEventListeners(this.element, this.evEl, this.domHandler);\n this.evTarget && addEventListeners(this.target, this.evTarget, this.domHandler);\n this.evWin && addEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);\n }\n\n /**\n * @private\n * unbind the events\n */\n\n }, {\n key: 'destroy',\n value: function destroy() {\n this.evEl && removeEventListeners(this.element, this.evEl, this.domHandler);\n this.evTarget && removeEventListeners(this.target, this.evTarget, this.domHandler);\n this.evWin && removeEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);\n }\n }]);\n return Input;\n}();\n\nvar POINTER_INPUT_MAP = {\n pointerdown: INPUT_START,\n pointermove: INPUT_MOVE,\n pointerup: INPUT_END,\n pointercancel: INPUT_CANCEL,\n pointerout: INPUT_CANCEL\n};\n\n// in IE10 the pointer types is defined as an enum\nvar IE10_POINTER_TYPE_ENUM = {\n 2: INPUT_TYPE_TOUCH,\n 3: INPUT_TYPE_PEN,\n 4: INPUT_TYPE_MOUSE,\n 5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816\n};\n\nvar POINTER_ELEMENT_EVENTS = 'pointerdown';\nvar POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel';\n\n// IE10 has prefixed support, and case-sensitive\nif (window.MSPointerEvent && !window.PointerEvent) {\n POINTER_ELEMENT_EVENTS = 'MSPointerDown';\n POINTER_WINDOW_EVENTS = 'MSPointerMove MSPointerUp MSPointerCancel';\n}\n\n/**\n * @private\n * Pointer events input\n * @constructor\n * @extends Input\n */\n\nvar PointerEventInput = function (_Input) {\n inherits(PointerEventInput, _Input);\n\n function PointerEventInput() {\n classCallCheck(this, PointerEventInput);\n\n var _this = possibleConstructorReturn(this, (PointerEventInput.__proto__ || Object.getPrototypeOf(PointerEventInput)).apply(this, arguments));\n\n _this.evEl = POINTER_ELEMENT_EVENTS;\n _this.evWin = POINTER_WINDOW_EVENTS;\n\n _this.store = _this.manager.session.pointerEvents = [];\n return _this;\n }\n\n /**\n * @private\n * handle mouse events\n * @param {Object} ev\n */\n\n\n createClass(PointerEventInput, [{\n key: 'handler',\n value: function handler(ev) {\n var store = this.store;\n\n var removePointer = false;\n\n var eventTypeNormalized = ev.type.toLowerCase().replace('ms', '');\n var eventType = POINTER_INPUT_MAP[eventTypeNormalized];\n var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] || ev.pointerType;\n\n var isTouch = pointerType === INPUT_TYPE_TOUCH;\n\n // get index of the event in the store\n var storeIndex = inArray(store, ev.pointerId, 'pointerId');\n\n // start and mouse must be down\n if (eventType & INPUT_START && (ev.button === 0 || isTouch)) {\n if (storeIndex < 0) {\n store.push(ev);\n storeIndex = store.length - 1;\n }\n } else if (eventType & (INPUT_END | INPUT_CANCEL)) {\n removePointer = true;\n }\n\n // it not found, so the pointer hasn't been down (so it's probably a hover)\n if (storeIndex < 0) {\n return;\n }\n\n // update the event in the store\n store[storeIndex] = ev;\n\n this.callback(this.manager, eventType, {\n pointers: store,\n changedPointers: [ev],\n pointerType: pointerType,\n srcEvent: ev\n });\n\n if (removePointer) {\n // remove from the store\n store.splice(storeIndex, 1);\n }\n }\n }]);\n return PointerEventInput;\n}(Input);\n\n/**\n * @private\n * convert array-like objects to real arrays\n * @param {Object} obj\n * @returns {Array}\n */\nfunction toArray$1(obj) {\n return Array.prototype.slice.call(obj, 0);\n}\n\n/**\n * @private\n * unique array with objects based on a key (like 'id') or just by the array's value\n * @param {Array} src [{id:1},{id:2},{id:1}]\n * @param {String} [key]\n * @param {Boolean} [sort=False]\n * @returns {Array} [{id:1},{id:2}]\n */\nfunction uniqueArray(src, key, sort) {\n var results = [];\n var values = [];\n var i = 0;\n\n while (i < src.length) {\n var val = key ? src[i][key] : src[i];\n if (inArray(values, val) < 0) {\n results.push(src[i]);\n }\n values[i] = val;\n i++;\n }\n\n if (sort) {\n if (!key) {\n results = results.sort();\n } else {\n results = results.sort(function (a, b) {\n return a[key] > b[key];\n });\n }\n }\n\n return results;\n}\n\nvar TOUCH_INPUT_MAP = {\n touchstart: INPUT_START,\n touchmove: INPUT_MOVE,\n touchend: INPUT_END,\n touchcancel: INPUT_CANCEL\n};\n\nvar TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel';\n\n/**\n * @private\n * Multi-user touch events input\n * @constructor\n * @extends Input\n */\n\nvar TouchInput = function (_Input) {\n inherits(TouchInput, _Input);\n\n function TouchInput() {\n classCallCheck(this, TouchInput);\n\n TouchInput.prototype.evTarget = TOUCH_TARGET_EVENTS;\n TouchInput.prototype.targetIds = {};\n\n var _this = possibleConstructorReturn(this, (TouchInput.__proto__ || Object.getPrototypeOf(TouchInput)).apply(this, arguments));\n\n _this.evTarget = TOUCH_TARGET_EVENTS;\n _this.targetIds = {};\n return _this;\n }\n\n createClass(TouchInput, [{\n key: 'handler',\n value: function handler(ev) {\n var type = TOUCH_INPUT_MAP[ev.type];\n var touches = getTouches.call(this, ev, type);\n if (!touches) {\n return;\n }\n\n this.callback(this.manager, type, {\n pointers: touches[0],\n changedPointers: touches[1],\n pointerType: INPUT_TYPE_TOUCH,\n srcEvent: ev\n });\n }\n }]);\n return TouchInput;\n}(Input);\n\nfunction getTouches(ev, type) {\n var allTouches = toArray$1(ev.touches);\n var targetIds = this.targetIds;\n\n // when there is only one touch, the process can be simplified\n\n if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {\n targetIds[allTouches[0].identifier] = true;\n return [allTouches, allTouches];\n }\n\n var i = void 0;\n var targetTouches = void 0;\n var changedTouches = toArray$1(ev.changedTouches);\n var changedTargetTouches = [];\n var target = this.target;\n\n // get target touches from touches\n\n targetTouches = allTouches.filter(function (touch) {\n return hasParent(touch.target, target);\n });\n\n // collect touches\n if (type === INPUT_START) {\n i = 0;\n while (i < targetTouches.length) {\n targetIds[targetTouches[i].identifier] = true;\n i++;\n }\n }\n\n // filter changed touches to only contain touches that exist in the collected target ids\n i = 0;\n while (i < changedTouches.length) {\n if (targetIds[changedTouches[i].identifier]) {\n changedTargetTouches.push(changedTouches[i]);\n }\n\n // cleanup removed touches\n if (type & (INPUT_END | INPUT_CANCEL)) {\n delete targetIds[changedTouches[i].identifier];\n }\n i++;\n }\n\n if (!changedTargetTouches.length) {\n return;\n }\n\n return [\n // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'\n uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true), changedTargetTouches];\n}\n\nvar MOUSE_INPUT_MAP = {\n mousedown: INPUT_START,\n mousemove: INPUT_MOVE,\n mouseup: INPUT_END\n};\n\nvar MOUSE_ELEMENT_EVENTS = 'mousedown';\nvar MOUSE_WINDOW_EVENTS = 'mousemove mouseup';\n\n/**\n * @private\n * Mouse events input\n * @constructor\n * @extends Input\n */\n\nvar MouseInput = function (_Input) {\n inherits(MouseInput, _Input);\n\n function MouseInput() {\n classCallCheck(this, MouseInput);\n\n var _this = possibleConstructorReturn(this, (MouseInput.__proto__ || Object.getPrototypeOf(MouseInput)).apply(this, arguments));\n\n _this.evEl = MOUSE_ELEMENT_EVENTS;\n _this.evWin = MOUSE_WINDOW_EVENTS;\n\n _this.pressed = false; // mousedown state\n return _this;\n }\n\n /**\n * @private\n * handle mouse events\n * @param {Object} ev\n */\n\n\n createClass(MouseInput, [{\n key: 'handler',\n value: function handler(ev) {\n var eventType = MOUSE_INPUT_MAP[ev.type];\n\n // on start we want to have the left mouse button down\n if (eventType & INPUT_START && ev.button === 0) {\n this.pressed = true;\n }\n\n if (eventType & INPUT_MOVE && ev.which !== 1) {\n eventType = INPUT_END;\n }\n\n // mouse must be down\n if (!this.pressed) {\n return;\n }\n\n if (eventType & INPUT_END) {\n this.pressed = false;\n }\n\n this.callback(this.manager, eventType, {\n pointers: [ev],\n changedPointers: [ev],\n pointerType: INPUT_TYPE_MOUSE,\n srcEvent: ev\n });\n }\n }]);\n return MouseInput;\n}(Input);\n\n/**\n * @private\n * Combined touch and mouse input\n *\n * Touch has a higher priority then mouse, and while touching no mouse events are allowed.\n * This because touch devices also emit mouse events while doing a touch.\n *\n * @constructor\n * @extends Input\n */\n\nvar DEDUP_TIMEOUT = 2500;\nvar DEDUP_DISTANCE = 25;\n\nvar TouchMouseInput = function (_Input) {\n inherits(TouchMouseInput, _Input);\n\n function TouchMouseInput() {\n classCallCheck(this, TouchMouseInput);\n\n var _this = possibleConstructorReturn(this, (TouchMouseInput.__proto__ || Object.getPrototypeOf(TouchMouseInput)).apply(this, arguments));\n\n var handler = bindFn(_this.handler, _this);\n _this.touch = new TouchInput(_this.manager, handler);\n _this.mouse = new MouseInput(_this.manager, handler);\n\n _this.primaryTouch = null;\n _this.lastTouches = [];\n return _this;\n }\n\n /**\n * @private\n * handle mouse and touch events\n * @param {Hammer} manager\n * @param {String} inputEvent\n * @param {Object} inputData\n */\n\n\n createClass(TouchMouseInput, [{\n key: 'handler',\n value: function handler(manager, inputEvent, inputData) {\n var isTouch = inputData.pointerType === INPUT_TYPE_TOUCH;\n var isMouse = inputData.pointerType === INPUT_TYPE_MOUSE;\n\n if (isMouse && inputData.sourceCapabilities && inputData.sourceCapabilities.firesTouchEvents) {\n return;\n }\n\n // when we're in a touch event, record touches to de-dupe synthetic mouse event\n if (isTouch) {\n recordTouches.call(this, inputEvent, inputData);\n } else if (isMouse && isSyntheticEvent.call(this, inputData)) {\n return;\n }\n\n this.callback(manager, inputEvent, inputData);\n }\n\n /**\n * @private\n * remove the event listeners\n */\n\n }, {\n key: 'destroy',\n value: function destroy() {\n this.touch.destroy();\n this.mouse.destroy();\n }\n }]);\n return TouchMouseInput;\n}(Input);\n\nfunction recordTouches(eventType, eventData) {\n if (eventType & INPUT_START) {\n this.primaryTouch = eventData.changedPointers[0].identifier;\n setLastTouch.call(this, eventData);\n } else if (eventType & (INPUT_END | INPUT_CANCEL)) {\n setLastTouch.call(this, eventData);\n }\n}\n\nfunction setLastTouch(eventData) {\n var _this2 = this;\n\n var _eventData$changedPoi = slicedToArray(eventData.changedPointers, 1);\n\n var touch = _eventData$changedPoi[0];\n\n if (touch.identifier === this.primaryTouch) {\n (function () {\n var lastTouch = { x: touch.clientX, y: touch.clientY };\n _this2.lastTouches.push(lastTouch);\n var lts = _this2.lastTouches;\n var removeLastTouch = function removeLastTouch() {\n var i = lts.indexOf(lastTouch);\n if (i > -1) {\n lts.splice(i, 1);\n }\n };\n setTimeout(removeLastTouch, DEDUP_TIMEOUT);\n })();\n }\n}\n\nfunction isSyntheticEvent(eventData) {\n var x = eventData.srcEvent.clientX;\n var y = eventData.srcEvent.clientY;\n for (var i = 0; i < this.lastTouches.length; i++) {\n var t = this.lastTouches[i];\n var dx = Math.abs(x - t.x);\n var dy = Math.abs(y - t.y);\n if (dx <= DEDUP_DISTANCE && dy <= DEDUP_DISTANCE) {\n return true;\n }\n }\n return false;\n}\n\n/**\n * @private\n * create new input type manager\n * called by the Manager constructor\n * @param {Hammer} manager\n * @returns {Input}\n */\nfunction createInputInstance(manager) {\n var Type = void 0;\n // let inputClass = manager.options.inputClass;\n var inputClass = manager.options.inputClass;\n\n if (inputClass) {\n Type = inputClass;\n } else if (SUPPORT_POINTER_EVENTS) {\n Type = PointerEventInput;\n } else if (SUPPORT_ONLY_TOUCH) {\n Type = TouchInput;\n } else if (!SUPPORT_TOUCH) {\n Type = MouseInput;\n } else {\n Type = TouchMouseInput;\n }\n return new Type(manager, inputHandler);\n}\n\nvar STOP = 1;\nvar FORCED_STOP = 2;\n\n/**\n* @private\n * Manager\n * @param {HTMLElement} element\n * @param {Object} [options]\n * @constructor\n */\n\nvar Manager = function () {\n function Manager(element, options) {\n var _this = this;\n\n classCallCheck(this, Manager);\n\n this.options = assign$1({}, Hammer.defaults, options || {});\n\n this.options.inputTarget = this.options.inputTarget || element;\n\n this.handlers = {};\n this.session = {};\n this.recognizers = [];\n this.oldCssProps = {};\n\n this.element = element;\n this.input = createInputInstance(this);\n this.touchAction = new TouchAction(this, this.options.touchAction);\n\n toggleCssProps(this, true);\n\n each(this.options.recognizers, function (item) {\n var recognizer = _this.add(new item[0](item[1]));\n item[2] && recognizer.recognizeWith(item[2]);\n item[3] && recognizer.requireFailure(item[3]);\n }, this);\n }\n\n /**\n * @private\n * set options\n * @param {Object} options\n * @returns {Manager}\n */\n\n\n createClass(Manager, [{\n key: 'set',\n value: function set(options) {\n assign$1(this.options, options);\n\n // Options that need a little more setup\n if (options.touchAction) {\n this.touchAction.update();\n }\n if (options.inputTarget) {\n // Clean up existing event listeners and reinitialize\n this.input.destroy();\n this.input.target = options.inputTarget;\n this.input.init();\n }\n return this;\n }\n\n /**\n * @private\n * stop recognizing for this session.\n * This session will be discarded, when a new [input]start event is fired.\n * When forced, the recognizer cycle is stopped immediately.\n * @param {Boolean} [force]\n */\n\n }, {\n key: 'stop',\n value: function stop(force) {\n this.session.stopped = force ? FORCED_STOP : STOP;\n }\n\n /**\n * @private\n * run the recognizers!\n * called by the inputHandler function on every movement of the pointers (touches)\n * it walks through all the recognizers and tries to detect the gesture that is being made\n * @param {Object} inputData\n */\n\n }, {\n key: 'recognize',\n value: function recognize(inputData) {\n var session = this.session;\n\n if (session.stopped) {\n return;\n }\n\n // run the touch-action polyfill\n this.touchAction.preventDefaults(inputData);\n\n var recognizer = void 0;\n var recognizers = this.recognizers;\n\n // this holds the recognizer that is being recognized.\n // so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED\n // if no recognizer is detecting a thing, it is set to `null`\n\n var curRecognizer = session.curRecognizer;\n\n // reset when the last recognizer is recognized\n // or when we're in a new session\n\n if (!curRecognizer || curRecognizer && curRecognizer.state & STATE_RECOGNIZED) {\n curRecognizer = session.curRecognizer = null;\n }\n\n var i = 0;\n while (i < recognizers.length) {\n recognizer = recognizers[i];\n\n // find out if we are allowed try to recognize the input for this one.\n // 1. allow if the session is NOT forced stopped (see the .stop() method)\n // 2. allow if we still haven't recognized a gesture in this session, or the this recognizer is the one\n // that is being recognized.\n // 3. allow if the recognizer is allowed to run simultaneous with the current recognized recognizer.\n // this can be setup with the `recognizeWith()` method on the recognizer.\n if (session.stopped !== FORCED_STOP && ( // 1\n !curRecognizer || recognizer === curRecognizer || // 2\n recognizer.canRecognizeWith(curRecognizer))) {\n // 3\n recognizer.recognize(inputData);\n } else {\n recognizer.reset();\n }\n\n // if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the\n // current active recognizer. but only if we don't already have an active recognizer\n if (!curRecognizer && recognizer.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED)) {\n curRecognizer = session.curRecognizer = recognizer;\n }\n i++;\n }\n }\n\n /**\n * @private\n * get a recognizer by its event name.\n * @param {Recognizer|String} recognizer\n * @returns {Recognizer|Null}\n */\n\n }, {\n key: 'get',\n value: function get(recognizer) {\n if (recognizer instanceof Recognizer) {\n return recognizer;\n }\n\n var recognizers = this.recognizers;\n\n for (var i = 0; i < recognizers.length; i++) {\n if (recognizers[i].options.event === recognizer) {\n return recognizers[i];\n }\n }\n return null;\n }\n\n /**\n * @private add a recognizer to the manager\n * existing recognizers with the same event name will be removed\n * @param {Recognizer} recognizer\n * @returns {Recognizer|Manager}\n */\n\n }, {\n key: 'add',\n value: function add(recognizer) {\n if (invokeArrayArg(recognizer, 'add', this)) {\n return this;\n }\n\n // remove existing\n var existing = this.get(recognizer.options.event);\n if (existing) {\n this.remove(existing);\n }\n\n this.recognizers.push(recognizer);\n recognizer.manager = this;\n\n this.touchAction.update();\n return recognizer;\n }\n\n /**\n * @private\n * remove a recognizer by name or instance\n * @param {Recognizer|String} recognizer\n * @returns {Manager}\n */\n\n }, {\n key: 'remove',\n value: function remove(recognizer) {\n if (invokeArrayArg(recognizer, 'remove', this)) {\n return this;\n }\n\n recognizer = this.get(recognizer);\n\n // let's make sure this recognizer exists\n if (recognizer) {\n var recognizers = this.recognizers;\n\n var index = inArray(recognizers, recognizer);\n\n if (index !== -1) {\n recognizers.splice(index, 1);\n this.touchAction.update();\n }\n }\n\n return this;\n }\n\n /**\n * @private\n * bind event\n * @param {String} events\n * @param {Function} handler\n * @returns {EventEmitter} this\n */\n\n }, {\n key: 'on',\n value: function on(events, handler) {\n if (events === undefined) {\n return;\n }\n if (handler === undefined) {\n return;\n }\n\n var handlers = this.handlers;\n\n each(splitStr(events), function (event) {\n handlers[event] = handlers[event] || [];\n handlers[event].push(handler);\n });\n return this;\n }\n\n /**\n * @private unbind event, leave emit blank to remove all handlers\n * @param {String} events\n * @param {Function} [handler]\n * @returns {EventEmitter} this\n */\n\n }, {\n key: 'off',\n value: function off(events, handler) {\n if (events === undefined) {\n return;\n }\n\n var handlers = this.handlers;\n\n each(splitStr(events), function (event) {\n if (!handler) {\n delete handlers[event];\n } else {\n handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);\n }\n });\n return this;\n }\n\n /**\n * @private emit event to the listeners\n * @param {String} event\n * @param {Object} data\n */\n\n }, {\n key: 'emit',\n value: function emit(event, data) {\n // we also want to trigger dom events\n if (this.options.domEvents) {\n triggerDomEvent(event, data);\n }\n\n // no handlers, so skip it all\n var handlers = this.handlers[event] && this.handlers[event].slice();\n if (!handlers || !handlers.length) {\n return;\n }\n\n data.type = event;\n data.preventDefault = function () {\n data.srcEvent.preventDefault();\n };\n\n var i = 0;\n while (i < handlers.length) {\n handlers[i](data);\n i++;\n }\n }\n\n /**\n * @private\n * destroy the manager and unbinds all events\n * it doesn't unbind dom events, that is the user own responsibility\n */\n\n }, {\n key: 'destroy',\n value: function destroy() {\n this.element && toggleCssProps(this, false);\n\n this.handlers = {};\n this.session = {};\n this.input.destroy();\n this.element = null;\n }\n }]);\n return Manager;\n}();\n\nfunction toggleCssProps(manager, add) {\n var element = manager.element;\n\n if (!element.style) {\n return;\n }\n var prop = void 0;\n each(manager.options.cssProps, function (value, name) {\n prop = prefixed(element.style, name);\n if (add) {\n manager.oldCssProps[prop] = element.style[prop];\n element.style[prop] = value;\n } else {\n element.style[prop] = manager.oldCssProps[prop] || '';\n }\n });\n if (!add) {\n manager.oldCssProps = {};\n }\n}\n\n/**\n * @private\n * trigger dom event\n * @param {String} event\n * @param {Object} data\n */\nfunction triggerDomEvent(event, data) {\n var gestureEvent = document.createEvent('Event');\n gestureEvent.initEvent(event, true, true);\n gestureEvent.gesture = data;\n data.target.dispatchEvent(gestureEvent);\n}\n\n/**\n * @private\n * Simple way to create a manager with a default set of recognizers.\n * @param {HTMLElement} element\n * @param {Object} [options]\n * @constructor\n */\n\nvar Hammer = function Hammer(element, options) {\n classCallCheck(this, Hammer);\n\n options = options || {};\n options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);\n return new Manager(element, options);\n};\n\nHammer.VERSION = '2.0.8';\n\n/**\n * @private\n * default settings\n * @namespace\n */\nHammer.defaults = {\n /**\n * @private\n * set if DOM events are being triggered.\n * But this is slower and unused by simple implementations, so disabled by default.\n * @type {Boolean}\n * @default false\n */\n domEvents: false,\n\n /**\n * @private\n * The value for the touchAction property/fallback.\n * When set to `compute` it will magically set the correct value based on the added recognizers.\n * @type {String}\n * @default compute\n */\n touchAction: TOUCH_ACTION_COMPUTE,\n\n /**\n * @private\n * @type {Boolean}\n * @default true\n */\n enable: true,\n\n /**\n * @private\n * EXPERIMENTAL FEATURE -- can be removed/changed\n * Change the parent input target element.\n * If Null, then it is being set the to main element.\n * @type {Null|EventTarget}\n * @default null\n */\n inputTarget: null,\n\n /**\n * @private\n * force an input class\n * @type {Null|Function}\n * @default null\n */\n inputClass: null,\n\n /**\n * @private\n * Default recognizer setup when calling `Hammer()`\n * When creating a new Manager these will be skipped.\n * @type {Array}\n */\n preset: [\n // RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...]\n [RotateRecognizer, { enable: false }], [PinchRecognizer, { enable: false }, ['rotate']], [SwipeRecognizer, { direction: DIRECTION_HORIZONTAL }], [PanRecognizer, { direction: DIRECTION_HORIZONTAL }, ['swipe']], [TapRecognizer], [TapRecognizer, { event: 'doubletap', taps: 2 }, ['tap']], [PressRecognizer]],\n\n /**\n * @private\n * Some CSS properties can be used to improve the working of Hammer.\n * Add them to this method and they will be set when creating a new Manager.\n * @namespace\n */\n cssProps: {\n /**\n * @private\n * Disables text selection to improve the dragging gesture. Mainly for desktop browsers.\n * @type {String}\n * @default 'none'\n */\n userSelect: 'none',\n\n /**\n * @private\n * Disable the Windows Phone grippers when pressing an element.\n * @type {String}\n * @default 'none'\n */\n touchSelect: 'none',\n\n /**\n * @private\n * Disables the default callout shown when you touch and hold a touch target.\n * On iOS, when you touch and hold a touch target such as a link, Safari displays\n * a callout containing information about the link. This property allows you to disable that callout.\n * @type {String}\n * @default 'none'\n */\n touchCallout: 'none',\n\n /**\n * @private\n * Specifies whether zooming is enabled. Used by IE10>\n * @type {String}\n * @default 'none'\n */\n contentZooming: 'none',\n\n /**\n * @private\n * Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.\n * @type {String}\n * @default 'none'\n */\n userDrag: 'none',\n\n /**\n * @private\n * Overrides the highlight color shown when the user taps a link or a JavaScript\n * clickable element in iOS. This property obeys the alpha value, if specified.\n * @type {String}\n * @default 'rgba(0,0,0,0)'\n */\n tapHighlightColor: 'rgba(0,0,0,0)'\n }\n};\n\nvar SINGLE_TOUCH_INPUT_MAP = {\n touchstart: INPUT_START,\n touchmove: INPUT_MOVE,\n touchend: INPUT_END,\n touchcancel: INPUT_CANCEL\n};\n\nvar SINGLE_TOUCH_TARGET_EVENTS = 'touchstart';\nvar SINGLE_TOUCH_WINDOW_EVENTS = 'touchstart touchmove touchend touchcancel';\n\n/**\n * @private\n * Touch events input\n * @constructor\n * @extends Input\n */\n\nvar SingleTouchInput = function (_Input) {\n inherits(SingleTouchInput, _Input);\n\n function SingleTouchInput() {\n classCallCheck(this, SingleTouchInput);\n\n var _this = possibleConstructorReturn(this, (SingleTouchInput.__proto__ || Object.getPrototypeOf(SingleTouchInput)).apply(this, arguments));\n\n _this.evTarget = SINGLE_TOUCH_TARGET_EVENTS;\n _this.evWin = SINGLE_TOUCH_WINDOW_EVENTS;\n _this.started = false;\n\n Input.apply(_this, arguments);\n return _this;\n }\n\n createClass(SingleTouchInput, [{\n key: 'handler',\n value: function handler(ev) {\n var type = SINGLE_TOUCH_INPUT_MAP[ev.type];\n\n // should we handle the touch events?\n if (type === INPUT_START) {\n this.started = true;\n }\n\n if (!this.started) {\n return;\n }\n\n var touches = normalizeSingleTouches.call(this, ev, type);\n\n // when done, reset the started state\n if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length - touches[1].length === 0) {\n this.started = false;\n }\n\n this.callback(this.manager, type, {\n pointers: touches[0],\n changedPointers: touches[1],\n pointerType: INPUT_TYPE_TOUCH,\n srcEvent: ev\n });\n }\n }]);\n return SingleTouchInput;\n}(Input);\n\nfunction normalizeSingleTouches(ev, type) {\n var all = toArray$1(ev.touches);\n var changed = toArray$1(ev.changedTouches);\n\n if (type & (INPUT_END | INPUT_CANCEL)) {\n all = uniqueArray(all.concat(changed), 'identifier', true);\n }\n\n return [all, changed];\n}\n\n/**\n * @private\n * wrap a method with a deprecation warning and stack trace\n * @param {Function} method\n * @param {String} name\n * @param {String} message\n * @returns {Function} A new function wrapping the supplied method.\n */\nfunction deprecate(method, name, message) {\n var deprecationMessage = 'DEPRECATED METHOD: ' + name + '\\n' + message + ' AT \\n';\n return function () {\n var e = new Error('get-stack-trace');\n var stack = e && e.stack ? e.stack.replace(/^[^\\(]+?[\\n$]/gm, '').replace(/^\\s+at\\s+/gm, '').replace(/^Object.\\s*\\(/gm, '{anonymous}()@') : 'Unknown Stack Trace';\n\n var log = window.console && (window.console.warn || window.console.log);\n if (log) {\n log.call(window.console, deprecationMessage, stack);\n }\n return method.apply(this, arguments);\n };\n}\n\n/**\n * @private\n * extend object.\n * means that properties in dest will be overwritten by the ones in src.\n * @param {Object} dest\n * @param {Object} src\n * @param {Boolean} [merge=false]\n * @returns {Object} dest\n */\nvar extend = deprecate(function (dest, src, merge) {\n var keys = Object.keys(src);\n var i = 0;\n while (i < keys.length) {\n if (!merge || merge && dest[keys[i]] === undefined) {\n dest[keys[i]] = src[keys[i]];\n }\n i++;\n }\n return dest;\n}, 'extend', 'Use `assign`.');\n\n/**\n * @private\n * merge the values from src in the dest.\n * means that properties that exist in dest will not be overwritten by src\n * @param {Object} dest\n * @param {Object} src\n * @returns {Object} dest\n */\nvar merge = deprecate(function (dest, src) {\n return extend(dest, src, true);\n}, 'merge', 'Use `assign`.');\n\n/**\n * @private\n * simple class inheritance\n * @param {Function} child\n * @param {Function} base\n * @param {Object} [properties]\n */\nfunction inherit(child, base, properties) {\n var baseP = base.prototype;\n var childP = void 0;\n\n childP = child.prototype = Object.create(baseP);\n childP.constructor = child;\n childP._super = baseP;\n\n if (properties) {\n assign$1(childP, properties);\n }\n}\n\n// this prevents errors when Hammer is loaded in the presence of an AMD\n// style loader but by script tag, not by the loader.\n\nassign$1(Hammer, {\n INPUT_START: INPUT_START,\n INPUT_MOVE: INPUT_MOVE,\n INPUT_END: INPUT_END,\n INPUT_CANCEL: INPUT_CANCEL,\n\n STATE_POSSIBLE: STATE_POSSIBLE,\n STATE_BEGAN: STATE_BEGAN,\n STATE_CHANGED: STATE_CHANGED,\n STATE_ENDED: STATE_ENDED,\n STATE_RECOGNIZED: STATE_RECOGNIZED,\n STATE_CANCELLED: STATE_CANCELLED,\n STATE_FAILED: STATE_FAILED,\n\n DIRECTION_NONE: DIRECTION_NONE,\n DIRECTION_LEFT: DIRECTION_LEFT,\n DIRECTION_RIGHT: DIRECTION_RIGHT,\n DIRECTION_UP: DIRECTION_UP,\n DIRECTION_DOWN: DIRECTION_DOWN,\n DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL,\n DIRECTION_VERTICAL: DIRECTION_VERTICAL,\n DIRECTION_ALL: DIRECTION_ALL,\n\n Manager: Manager,\n Input: Input,\n TouchAction: TouchAction,\n\n TouchInput: TouchInput,\n MouseInput: MouseInput,\n PointerEventInput: PointerEventInput,\n TouchMouseInput: TouchMouseInput,\n SingleTouchInput: SingleTouchInput,\n\n Recognizer: Recognizer,\n AttrRecognizer: AttrRecognizer,\n Tap: TapRecognizer,\n Pan: PanRecognizer,\n Swipe: SwipeRecognizer,\n Pinch: PinchRecognizer,\n Rotate: RotateRecognizer,\n Press: PressRecognizer,\n\n on: addEventListeners,\n off: removeEventListeners,\n each: each,\n merge: merge,\n extend: extend,\n assign: assign$1,\n inherit: inherit,\n bindFn: bindFn,\n prefixed: prefixed,\n toArray: toArray$1,\n inArray: inArray,\n uniqueArray: uniqueArray,\n splitStr: splitStr,\n boolOrFn: boolOrFn,\n hasParent: hasParent,\n addEventListeners: addEventListeners,\n removeEventListeners: removeEventListeners\n});\n\n/* jshint ignore:start */\nif (true) {\n !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () {\n return Hammer;\n }).call(exports, __webpack_require__, exports, module),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n} else {}\n/* jshint ignore:end */\n})(window, document, 'Hammer');\n\n\n//# sourceURL=webpack:///./node_modules/hammerjs/hammer.js?"); - player.setMapPosition(0, 0); - player.setMapPositionTarget(0, -10); - dContext.followSprite(player); +/***/ }), - var intervalNum = 0; +/***/ "./node_modules/underscore/underscore.js": +/*!***********************************************!*\ + !*** ./node_modules/underscore/underscore.js ***! + \***********************************************/ +/*! no static exports found */ +/***/ (function(module, exports, __webpack_require__) { - this.cycle = function () { - beforeCycleCallbacks.each(function(c) { - c(); - }); +eval("var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Underscore.js 1.6.0\n// http://underscorejs.org\n// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n// Underscore may be freely distributed under the MIT license.\n\n(function() {\n\n // Baseline setup\n // --------------\n\n // Establish the root object, `window` in the browser, or `exports` on the server.\n var root = this;\n\n // Save the previous value of the `_` variable.\n var previousUnderscore = root._;\n\n // Establish the object that gets returned to break out of a loop iteration.\n var breaker = {};\n\n // Save bytes in the minified (but not gzipped) version:\n var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;\n\n // Create quick reference variables for speed access to core prototypes.\n var\n push = ArrayProto.push,\n slice = ArrayProto.slice,\n concat = ArrayProto.concat,\n toString = ObjProto.toString,\n hasOwnProperty = ObjProto.hasOwnProperty;\n\n // All **ECMAScript 5** native function implementations that we hope to use\n // are declared here.\n var\n nativeForEach = ArrayProto.forEach,\n nativeMap = ArrayProto.map,\n nativeReduce = ArrayProto.reduce,\n nativeReduceRight = ArrayProto.reduceRight,\n nativeFilter = ArrayProto.filter,\n nativeEvery = ArrayProto.every,\n nativeSome = ArrayProto.some,\n nativeIndexOf = ArrayProto.indexOf,\n nativeLastIndexOf = ArrayProto.lastIndexOf,\n nativeIsArray = Array.isArray,\n nativeKeys = Object.keys,\n nativeBind = FuncProto.bind;\n\n // Create a safe reference to the Underscore object for use below.\n var _ = function(obj) {\n if (obj instanceof _) return obj;\n if (!(this instanceof _)) return new _(obj);\n this._wrapped = obj;\n };\n\n // Export the Underscore object for **Node.js**, with\n // backwards-compatibility for the old `require()` API. If we're in\n // the browser, add `_` as a global object via a string identifier,\n // for Closure Compiler \"advanced\" mode.\n if (true) {\n if ( true && module.exports) {\n exports = module.exports = _;\n }\n exports._ = _;\n } else {}\n\n // Current version.\n _.VERSION = '1.6.0';\n\n // Collection Functions\n // --------------------\n\n // The cornerstone, an `each` implementation, aka `forEach`.\n // Handles objects with the built-in `forEach`, arrays, and raw objects.\n // Delegates to **ECMAScript 5**'s native `forEach` if available.\n var each = _.each = _.forEach = function(obj, iterator, context) {\n if (obj == null) return obj;\n if (nativeForEach && obj.forEach === nativeForEach) {\n obj.forEach(iterator, context);\n } else if (obj.length === +obj.length) {\n for (var i = 0, length = obj.length; i < length; i++) {\n if (iterator.call(context, obj[i], i, obj) === breaker) return;\n }\n } else {\n var keys = _.keys(obj);\n for (var i = 0, length = keys.length; i < length; i++) {\n if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;\n }\n }\n return obj;\n };\n\n // Return the results of applying the iterator to each element.\n // Delegates to **ECMAScript 5**'s native `map` if available.\n _.map = _.collect = function(obj, iterator, context) {\n var results = [];\n if (obj == null) return results;\n if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);\n each(obj, function(value, index, list) {\n results.push(iterator.call(context, value, index, list));\n });\n return results;\n };\n\n var reduceError = 'Reduce of empty array with no initial value';\n\n // **Reduce** builds up a single result from a list of values, aka `inject`,\n // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.\n _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {\n var initial = arguments.length > 2;\n if (obj == null) obj = [];\n if (nativeReduce && obj.reduce === nativeReduce) {\n if (context) iterator = _.bind(iterator, context);\n return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);\n }\n each(obj, function(value, index, list) {\n if (!initial) {\n memo = value;\n initial = true;\n } else {\n memo = iterator.call(context, memo, value, index, list);\n }\n });\n if (!initial) throw new TypeError(reduceError);\n return memo;\n };\n\n // The right-associative version of reduce, also known as `foldr`.\n // Delegates to **ECMAScript 5**'s native `reduceRight` if available.\n _.reduceRight = _.foldr = function(obj, iterator, memo, context) {\n var initial = arguments.length > 2;\n if (obj == null) obj = [];\n if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {\n if (context) iterator = _.bind(iterator, context);\n return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);\n }\n var length = obj.length;\n if (length !== +length) {\n var keys = _.keys(obj);\n length = keys.length;\n }\n each(obj, function(value, index, list) {\n index = keys ? keys[--length] : --length;\n if (!initial) {\n memo = obj[index];\n initial = true;\n } else {\n memo = iterator.call(context, memo, obj[index], index, list);\n }\n });\n if (!initial) throw new TypeError(reduceError);\n return memo;\n };\n\n // Return the first value which passes a truth test. Aliased as `detect`.\n _.find = _.detect = function(obj, predicate, context) {\n var result;\n any(obj, function(value, index, list) {\n if (predicate.call(context, value, index, list)) {\n result = value;\n return true;\n }\n });\n return result;\n };\n\n // Return all the elements that pass a truth test.\n // Delegates to **ECMAScript 5**'s native `filter` if available.\n // Aliased as `select`.\n _.filter = _.select = function(obj, predicate, context) {\n var results = [];\n if (obj == null) return results;\n if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context);\n each(obj, function(value, index, list) {\n if (predicate.call(context, value, index, list)) results.push(value);\n });\n return results;\n };\n\n // Return all the elements for which a truth test fails.\n _.reject = function(obj, predicate, context) {\n return _.filter(obj, function(value, index, list) {\n return !predicate.call(context, value, index, list);\n }, context);\n };\n\n // Determine whether all of the elements match a truth test.\n // Delegates to **ECMAScript 5**'s native `every` if available.\n // Aliased as `all`.\n _.every = _.all = function(obj, predicate, context) {\n predicate || (predicate = _.identity);\n var result = true;\n if (obj == null) return result;\n if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context);\n each(obj, function(value, index, list) {\n if (!(result = result && predicate.call(context, value, index, list))) return breaker;\n });\n return !!result;\n };\n\n // Determine if at least one element in the object matches a truth test.\n // Delegates to **ECMAScript 5**'s native `some` if available.\n // Aliased as `any`.\n var any = _.some = _.any = function(obj, predicate, context) {\n predicate || (predicate = _.identity);\n var result = false;\n if (obj == null) return result;\n if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context);\n each(obj, function(value, index, list) {\n if (result || (result = predicate.call(context, value, index, list))) return breaker;\n });\n return !!result;\n };\n\n // Determine if the array or object contains a given value (using `===`).\n // Aliased as `include`.\n _.contains = _.include = function(obj, target) {\n if (obj == null) return false;\n if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;\n return any(obj, function(value) {\n return value === target;\n });\n };\n\n // Invoke a method (with arguments) on every item in a collection.\n _.invoke = function(obj, method) {\n var args = slice.call(arguments, 2);\n var isFunc = _.isFunction(method);\n return _.map(obj, function(value) {\n return (isFunc ? method : value[method]).apply(value, args);\n });\n };\n\n // Convenience version of a common use case of `map`: fetching a property.\n _.pluck = function(obj, key) {\n return _.map(obj, _.property(key));\n };\n\n // Convenience version of a common use case of `filter`: selecting only objects\n // containing specific `key:value` pairs.\n _.where = function(obj, attrs) {\n return _.filter(obj, _.matches(attrs));\n };\n\n // Convenience version of a common use case of `find`: getting the first object\n // containing specific `key:value` pairs.\n _.findWhere = function(obj, attrs) {\n return _.find(obj, _.matches(attrs));\n };\n\n // Return the maximum element or (element-based computation).\n // Can't optimize arrays of integers longer than 65,535 elements.\n // See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)\n _.max = function(obj, iterator, context) {\n if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {\n return Math.max.apply(Math, obj);\n }\n var result = -Infinity, lastComputed = -Infinity;\n each(obj, function(value, index, list) {\n var computed = iterator ? iterator.call(context, value, index, list) : value;\n if (computed > lastComputed) {\n result = value;\n lastComputed = computed;\n }\n });\n return result;\n };\n\n // Return the minimum element (or element-based computation).\n _.min = function(obj, iterator, context) {\n if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {\n return Math.min.apply(Math, obj);\n }\n var result = Infinity, lastComputed = Infinity;\n each(obj, function(value, index, list) {\n var computed = iterator ? iterator.call(context, value, index, list) : value;\n if (computed < lastComputed) {\n result = value;\n lastComputed = computed;\n }\n });\n return result;\n };\n\n // Shuffle an array, using the modern version of the\n // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).\n _.shuffle = function(obj) {\n var rand;\n var index = 0;\n var shuffled = [];\n each(obj, function(value) {\n rand = _.random(index++);\n shuffled[index - 1] = shuffled[rand];\n shuffled[rand] = value;\n });\n return shuffled;\n };\n\n // Sample **n** random values from a collection.\n // If **n** is not specified, returns a single random element.\n // The internal `guard` argument allows it to work with `map`.\n _.sample = function(obj, n, guard) {\n if (n == null || guard) {\n if (obj.length !== +obj.length) obj = _.values(obj);\n return obj[_.random(obj.length - 1)];\n }\n return _.shuffle(obj).slice(0, Math.max(0, n));\n };\n\n // An internal function to generate lookup iterators.\n var lookupIterator = function(value) {\n if (value == null) return _.identity;\n if (_.isFunction(value)) return value;\n return _.property(value);\n };\n\n // Sort the object's values by a criterion produced by an iterator.\n _.sortBy = function(obj, iterator, context) {\n iterator = lookupIterator(iterator);\n return _.pluck(_.map(obj, function(value, index, list) {\n return {\n value: value,\n index: index,\n criteria: iterator.call(context, value, index, list)\n };\n }).sort(function(left, right) {\n var a = left.criteria;\n var b = right.criteria;\n if (a !== b) {\n if (a > b || a === void 0) return 1;\n if (a < b || b === void 0) return -1;\n }\n return left.index - right.index;\n }), 'value');\n };\n\n // An internal function used for aggregate \"group by\" operations.\n var group = function(behavior) {\n return function(obj, iterator, context) {\n var result = {};\n iterator = lookupIterator(iterator);\n each(obj, function(value, index) {\n var key = iterator.call(context, value, index, obj);\n behavior(result, key, value);\n });\n return result;\n };\n };\n\n // Groups the object's values by a criterion. Pass either a string attribute\n // to group by, or a function that returns the criterion.\n _.groupBy = group(function(result, key, value) {\n _.has(result, key) ? result[key].push(value) : result[key] = [value];\n });\n\n // Indexes the object's values by a criterion, similar to `groupBy`, but for\n // when you know that your index values will be unique.\n _.indexBy = group(function(result, key, value) {\n result[key] = value;\n });\n\n // Counts instances of an object that group by a certain criterion. Pass\n // either a string attribute to count by, or a function that returns the\n // criterion.\n _.countBy = group(function(result, key) {\n _.has(result, key) ? result[key]++ : result[key] = 1;\n });\n\n // Use a comparator function to figure out the smallest index at which\n // an object should be inserted so as to maintain order. Uses binary search.\n _.sortedIndex = function(array, obj, iterator, context) {\n iterator = lookupIterator(iterator);\n var value = iterator.call(context, obj);\n var low = 0, high = array.length;\n while (low < high) {\n var mid = (low + high) >>> 1;\n iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;\n }\n return low;\n };\n\n // Safely create a real, live array from anything iterable.\n _.toArray = function(obj) {\n if (!obj) return [];\n if (_.isArray(obj)) return slice.call(obj);\n if (obj.length === +obj.length) return _.map(obj, _.identity);\n return _.values(obj);\n };\n\n // Return the number of elements in an object.\n _.size = function(obj) {\n if (obj == null) return 0;\n return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;\n };\n\n // Array Functions\n // ---------------\n\n // Get the first element of an array. Passing **n** will return the first N\n // values in the array. Aliased as `head` and `take`. The **guard** check\n // allows it to work with `_.map`.\n _.first = _.head = _.take = function(array, n, guard) {\n if (array == null) return void 0;\n if ((n == null) || guard) return array[0];\n if (n < 0) return [];\n return slice.call(array, 0, n);\n };\n\n // Returns everything but the last entry of the array. Especially useful on\n // the arguments object. Passing **n** will return all the values in\n // the array, excluding the last N. The **guard** check allows it to work with\n // `_.map`.\n _.initial = function(array, n, guard) {\n return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));\n };\n\n // Get the last element of an array. Passing **n** will return the last N\n // values in the array. The **guard** check allows it to work with `_.map`.\n _.last = function(array, n, guard) {\n if (array == null) return void 0;\n if ((n == null) || guard) return array[array.length - 1];\n return slice.call(array, Math.max(array.length - n, 0));\n };\n\n // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.\n // Especially useful on the arguments object. Passing an **n** will return\n // the rest N values in the array. The **guard**\n // check allows it to work with `_.map`.\n _.rest = _.tail = _.drop = function(array, n, guard) {\n return slice.call(array, (n == null) || guard ? 1 : n);\n };\n\n // Trim out all falsy values from an array.\n _.compact = function(array) {\n return _.filter(array, _.identity);\n };\n\n // Internal implementation of a recursive `flatten` function.\n var flatten = function(input, shallow, output) {\n if (shallow && _.every(input, _.isArray)) {\n return concat.apply(output, input);\n }\n each(input, function(value) {\n if (_.isArray(value) || _.isArguments(value)) {\n shallow ? push.apply(output, value) : flatten(value, shallow, output);\n } else {\n output.push(value);\n }\n });\n return output;\n };\n\n // Flatten out an array, either recursively (by default), or just one level.\n _.flatten = function(array, shallow) {\n return flatten(array, shallow, []);\n };\n\n // Return a version of the array that does not contain the specified value(s).\n _.without = function(array) {\n return _.difference(array, slice.call(arguments, 1));\n };\n\n // Split an array into two arrays: one whose elements all satisfy the given\n // predicate, and one whose elements all do not satisfy the predicate.\n _.partition = function(array, predicate) {\n var pass = [], fail = [];\n each(array, function(elem) {\n (predicate(elem) ? pass : fail).push(elem);\n });\n return [pass, fail];\n };\n\n // Produce a duplicate-free version of the array. If the array has already\n // been sorted, you have the option of using a faster algorithm.\n // Aliased as `unique`.\n _.uniq = _.unique = function(array, isSorted, iterator, context) {\n if (_.isFunction(isSorted)) {\n context = iterator;\n iterator = isSorted;\n isSorted = false;\n }\n var initial = iterator ? _.map(array, iterator, context) : array;\n var results = [];\n var seen = [];\n each(initial, function(value, index) {\n if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {\n seen.push(value);\n results.push(array[index]);\n }\n });\n return results;\n };\n\n // Produce an array that contains the union: each distinct element from all of\n // the passed-in arrays.\n _.union = function() {\n return _.uniq(_.flatten(arguments, true));\n };\n\n // Produce an array that contains every item shared between all the\n // passed-in arrays.\n _.intersection = function(array) {\n var rest = slice.call(arguments, 1);\n return _.filter(_.uniq(array), function(item) {\n return _.every(rest, function(other) {\n return _.contains(other, item);\n });\n });\n };\n\n // Take the difference between one array and a number of other arrays.\n // Only the elements present in just the first array will remain.\n _.difference = function(array) {\n var rest = concat.apply(ArrayProto, slice.call(arguments, 1));\n return _.filter(array, function(value){ return !_.contains(rest, value); });\n };\n\n // Zip together multiple lists into a single array -- elements that share\n // an index go together.\n _.zip = function() {\n var length = _.max(_.pluck(arguments, 'length').concat(0));\n var results = new Array(length);\n for (var i = 0; i < length; i++) {\n results[i] = _.pluck(arguments, '' + i);\n }\n return results;\n };\n\n // Converts lists into objects. Pass either a single array of `[key, value]`\n // pairs, or two parallel arrays of the same length -- one of keys, and one of\n // the corresponding values.\n _.object = function(list, values) {\n if (list == null) return {};\n var result = {};\n for (var i = 0, length = list.length; i < length; i++) {\n if (values) {\n result[list[i]] = values[i];\n } else {\n result[list[i][0]] = list[i][1];\n }\n }\n return result;\n };\n\n // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),\n // we need this function. Return the position of the first occurrence of an\n // item in an array, or -1 if the item is not included in the array.\n // Delegates to **ECMAScript 5**'s native `indexOf` if available.\n // If the array is large and already in sort order, pass `true`\n // for **isSorted** to use binary search.\n _.indexOf = function(array, item, isSorted) {\n if (array == null) return -1;\n var i = 0, length = array.length;\n if (isSorted) {\n if (typeof isSorted == 'number') {\n i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);\n } else {\n i = _.sortedIndex(array, item);\n return array[i] === item ? i : -1;\n }\n }\n if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);\n for (; i < length; i++) if (array[i] === item) return i;\n return -1;\n };\n\n // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.\n _.lastIndexOf = function(array, item, from) {\n if (array == null) return -1;\n var hasIndex = from != null;\n if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {\n return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);\n }\n var i = (hasIndex ? from : array.length);\n while (i--) if (array[i] === item) return i;\n return -1;\n };\n\n // Generate an integer Array containing an arithmetic progression. A port of\n // the native Python `range()` function. See\n // [the Python documentation](http://docs.python.org/library/functions.html#range).\n _.range = function(start, stop, step) {\n if (arguments.length <= 1) {\n stop = start || 0;\n start = 0;\n }\n step = arguments[2] || 1;\n\n var length = Math.max(Math.ceil((stop - start) / step), 0);\n var idx = 0;\n var range = new Array(length);\n\n while(idx < length) {\n range[idx++] = start;\n start += step;\n }\n\n return range;\n };\n\n // Function (ahem) Functions\n // ------------------\n\n // Reusable constructor function for prototype setting.\n var ctor = function(){};\n\n // Create a function bound to a given object (assigning `this`, and arguments,\n // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if\n // available.\n _.bind = function(func, context) {\n var args, bound;\n if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));\n if (!_.isFunction(func)) throw new TypeError;\n args = slice.call(arguments, 2);\n return bound = function() {\n if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));\n ctor.prototype = func.prototype;\n var self = new ctor;\n ctor.prototype = null;\n var result = func.apply(self, args.concat(slice.call(arguments)));\n if (Object(result) === result) return result;\n return self;\n };\n };\n\n // Partially apply a function by creating a version that has had some of its\n // arguments pre-filled, without changing its dynamic `this` context. _ acts\n // as a placeholder, allowing any combination of arguments to be pre-filled.\n _.partial = function(func) {\n var boundArgs = slice.call(arguments, 1);\n return function() {\n var position = 0;\n var args = boundArgs.slice();\n for (var i = 0, length = args.length; i < length; i++) {\n if (args[i] === _) args[i] = arguments[position++];\n }\n while (position < arguments.length) args.push(arguments[position++]);\n return func.apply(this, args);\n };\n };\n\n // Bind a number of an object's methods to that object. Remaining arguments\n // are the method names to be bound. Useful for ensuring that all callbacks\n // defined on an object belong to it.\n _.bindAll = function(obj) {\n var funcs = slice.call(arguments, 1);\n if (funcs.length === 0) throw new Error('bindAll must be passed function names');\n each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });\n return obj;\n };\n\n // Memoize an expensive function by storing its results.\n _.memoize = function(func, hasher) {\n var memo = {};\n hasher || (hasher = _.identity);\n return function() {\n var key = hasher.apply(this, arguments);\n return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));\n };\n };\n\n // Delays a function for the given number of milliseconds, and then calls\n // it with the arguments supplied.\n _.delay = function(func, wait) {\n var args = slice.call(arguments, 2);\n return setTimeout(function(){ return func.apply(null, args); }, wait);\n };\n\n // Defers a function, scheduling it to run after the current call stack has\n // cleared.\n _.defer = function(func) {\n return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));\n };\n\n // Returns a function, that, when invoked, will only be triggered at most once\n // during a given window of time. Normally, the throttled function will run\n // as much as it can, without ever going more than once per `wait` duration;\n // but if you'd like to disable the execution on the leading edge, pass\n // `{leading: false}`. To disable execution on the trailing edge, ditto.\n _.throttle = function(func, wait, options) {\n var context, args, result;\n var timeout = null;\n var previous = 0;\n options || (options = {});\n var later = function() {\n previous = options.leading === false ? 0 : _.now();\n timeout = null;\n result = func.apply(context, args);\n context = args = null;\n };\n return function() {\n var now = _.now();\n if (!previous && options.leading === false) previous = now;\n var remaining = wait - (now - previous);\n context = this;\n args = arguments;\n if (remaining <= 0) {\n clearTimeout(timeout);\n timeout = null;\n previous = now;\n result = func.apply(context, args);\n context = args = null;\n } else if (!timeout && options.trailing !== false) {\n timeout = setTimeout(later, remaining);\n }\n return result;\n };\n };\n\n // Returns a function, that, as long as it continues to be invoked, will not\n // be triggered. The function will be called after it stops being called for\n // N milliseconds. If `immediate` is passed, trigger the function on the\n // leading edge, instead of the trailing.\n _.debounce = function(func, wait, immediate) {\n var timeout, args, context, timestamp, result;\n\n var later = function() {\n var last = _.now() - timestamp;\n if (last < wait) {\n timeout = setTimeout(later, wait - last);\n } else {\n timeout = null;\n if (!immediate) {\n result = func.apply(context, args);\n context = args = null;\n }\n }\n };\n\n return function() {\n context = this;\n args = arguments;\n timestamp = _.now();\n var callNow = immediate && !timeout;\n if (!timeout) {\n timeout = setTimeout(later, wait);\n }\n if (callNow) {\n result = func.apply(context, args);\n context = args = null;\n }\n\n return result;\n };\n };\n\n // Returns a function that will be executed at most one time, no matter how\n // often you call it. Useful for lazy initialization.\n _.once = function(func) {\n var ran = false, memo;\n return function() {\n if (ran) return memo;\n ran = true;\n memo = func.apply(this, arguments);\n func = null;\n return memo;\n };\n };\n\n // Returns the first function passed as an argument to the second,\n // allowing you to adjust arguments, run code before and after, and\n // conditionally execute the original function.\n _.wrap = function(func, wrapper) {\n return _.partial(wrapper, func);\n };\n\n // Returns a function that is the composition of a list of functions, each\n // consuming the return value of the function that follows.\n _.compose = function() {\n var funcs = arguments;\n return function() {\n var args = arguments;\n for (var i = funcs.length - 1; i >= 0; i--) {\n args = [funcs[i].apply(this, args)];\n }\n return args[0];\n };\n };\n\n // Returns a function that will only be executed after being called N times.\n _.after = function(times, func) {\n return function() {\n if (--times < 1) {\n return func.apply(this, arguments);\n }\n };\n };\n\n // Object Functions\n // ----------------\n\n // Retrieve the names of an object's properties.\n // Delegates to **ECMAScript 5**'s native `Object.keys`\n _.keys = function(obj) {\n if (!_.isObject(obj)) return [];\n if (nativeKeys) return nativeKeys(obj);\n var keys = [];\n for (var key in obj) if (_.has(obj, key)) keys.push(key);\n return keys;\n };\n\n // Retrieve the values of an object's properties.\n _.values = function(obj) {\n var keys = _.keys(obj);\n var length = keys.length;\n var values = new Array(length);\n for (var i = 0; i < length; i++) {\n values[i] = obj[keys[i]];\n }\n return values;\n };\n\n // Convert an object into a list of `[key, value]` pairs.\n _.pairs = function(obj) {\n var keys = _.keys(obj);\n var length = keys.length;\n var pairs = new Array(length);\n for (var i = 0; i < length; i++) {\n pairs[i] = [keys[i], obj[keys[i]]];\n }\n return pairs;\n };\n\n // Invert the keys and values of an object. The values must be serializable.\n _.invert = function(obj) {\n var result = {};\n var keys = _.keys(obj);\n for (var i = 0, length = keys.length; i < length; i++) {\n result[obj[keys[i]]] = keys[i];\n }\n return result;\n };\n\n // Return a sorted list of the function names available on the object.\n // Aliased as `methods`\n _.functions = _.methods = function(obj) {\n var names = [];\n for (var key in obj) {\n if (_.isFunction(obj[key])) names.push(key);\n }\n return names.sort();\n };\n\n // Extend a given object with all the properties in passed-in object(s).\n _.extend = function(obj) {\n each(slice.call(arguments, 1), function(source) {\n if (source) {\n for (var prop in source) {\n obj[prop] = source[prop];\n }\n }\n });\n return obj;\n };\n\n // Return a copy of the object only containing the whitelisted properties.\n _.pick = function(obj) {\n var copy = {};\n var keys = concat.apply(ArrayProto, slice.call(arguments, 1));\n each(keys, function(key) {\n if (key in obj) copy[key] = obj[key];\n });\n return copy;\n };\n\n // Return a copy of the object without the blacklisted properties.\n _.omit = function(obj) {\n var copy = {};\n var keys = concat.apply(ArrayProto, slice.call(arguments, 1));\n for (var key in obj) {\n if (!_.contains(keys, key)) copy[key] = obj[key];\n }\n return copy;\n };\n\n // Fill in a given object with default properties.\n _.defaults = function(obj) {\n each(slice.call(arguments, 1), function(source) {\n if (source) {\n for (var prop in source) {\n if (obj[prop] === void 0) obj[prop] = source[prop];\n }\n }\n });\n return obj;\n };\n\n // Create a (shallow-cloned) duplicate of an object.\n _.clone = function(obj) {\n if (!_.isObject(obj)) return obj;\n return _.isArray(obj) ? obj.slice() : _.extend({}, obj);\n };\n\n // Invokes interceptor with the obj, and then returns obj.\n // The primary purpose of this method is to \"tap into\" a method chain, in\n // order to perform operations on intermediate results within the chain.\n _.tap = function(obj, interceptor) {\n interceptor(obj);\n return obj;\n };\n\n // Internal recursive comparison function for `isEqual`.\n var eq = function(a, b, aStack, bStack) {\n // Identical objects are equal. `0 === -0`, but they aren't identical.\n // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).\n if (a === b) return a !== 0 || 1 / a == 1 / b;\n // A strict comparison is necessary because `null == undefined`.\n if (a == null || b == null) return a === b;\n // Unwrap any wrapped objects.\n if (a instanceof _) a = a._wrapped;\n if (b instanceof _) b = b._wrapped;\n // Compare `[[Class]]` names.\n var className = toString.call(a);\n if (className != toString.call(b)) return false;\n switch (className) {\n // Strings, numbers, dates, and booleans are compared by value.\n case '[object String]':\n // Primitives and their corresponding object wrappers are equivalent; thus, `\"5\"` is\n // equivalent to `new String(\"5\")`.\n return a == String(b);\n case '[object Number]':\n // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for\n // other numeric values.\n return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);\n case '[object Date]':\n case '[object Boolean]':\n // Coerce dates and booleans to numeric primitive values. Dates are compared by their\n // millisecond representations. Note that invalid dates with millisecond representations\n // of `NaN` are not equivalent.\n return +a == +b;\n // RegExps are compared by their source patterns and flags.\n case '[object RegExp]':\n return a.source == b.source &&\n a.global == b.global &&\n a.multiline == b.multiline &&\n a.ignoreCase == b.ignoreCase;\n }\n if (typeof a != 'object' || typeof b != 'object') return false;\n // Assume equality for cyclic structures. The algorithm for detecting cyclic\n // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.\n var length = aStack.length;\n while (length--) {\n // Linear search. Performance is inversely proportional to the number of\n // unique nested structures.\n if (aStack[length] == a) return bStack[length] == b;\n }\n // Objects with different constructors are not equivalent, but `Object`s\n // from different frames are.\n var aCtor = a.constructor, bCtor = b.constructor;\n if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&\n _.isFunction(bCtor) && (bCtor instanceof bCtor))\n && ('constructor' in a && 'constructor' in b)) {\n return false;\n }\n // Add the first object to the stack of traversed objects.\n aStack.push(a);\n bStack.push(b);\n var size = 0, result = true;\n // Recursively compare objects and arrays.\n if (className == '[object Array]') {\n // Compare array lengths to determine if a deep comparison is necessary.\n size = a.length;\n result = size == b.length;\n if (result) {\n // Deep compare the contents, ignoring non-numeric properties.\n while (size--) {\n if (!(result = eq(a[size], b[size], aStack, bStack))) break;\n }\n }\n } else {\n // Deep compare objects.\n for (var key in a) {\n if (_.has(a, key)) {\n // Count the expected number of properties.\n size++;\n // Deep compare each member.\n if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;\n }\n }\n // Ensure that both objects contain the same number of properties.\n if (result) {\n for (key in b) {\n if (_.has(b, key) && !(size--)) break;\n }\n result = !size;\n }\n }\n // Remove the first object from the stack of traversed objects.\n aStack.pop();\n bStack.pop();\n return result;\n };\n\n // Perform a deep comparison to check if two objects are equal.\n _.isEqual = function(a, b) {\n return eq(a, b, [], []);\n };\n\n // Is a given array, string, or object empty?\n // An \"empty\" object has no enumerable own-properties.\n _.isEmpty = function(obj) {\n if (obj == null) return true;\n if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;\n for (var key in obj) if (_.has(obj, key)) return false;\n return true;\n };\n\n // Is a given value a DOM element?\n _.isElement = function(obj) {\n return !!(obj && obj.nodeType === 1);\n };\n\n // Is a given value an array?\n // Delegates to ECMA5's native Array.isArray\n _.isArray = nativeIsArray || function(obj) {\n return toString.call(obj) == '[object Array]';\n };\n\n // Is a given variable an object?\n _.isObject = function(obj) {\n return obj === Object(obj);\n };\n\n // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.\n each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {\n _['is' + name] = function(obj) {\n return toString.call(obj) == '[object ' + name + ']';\n };\n });\n\n // Define a fallback version of the method in browsers (ahem, IE), where\n // there isn't any inspectable \"Arguments\" type.\n if (!_.isArguments(arguments)) {\n _.isArguments = function(obj) {\n return !!(obj && _.has(obj, 'callee'));\n };\n }\n\n // Optimize `isFunction` if appropriate.\n if (true) {\n _.isFunction = function(obj) {\n return typeof obj === 'function';\n };\n }\n\n // Is a given object a finite number?\n _.isFinite = function(obj) {\n return isFinite(obj) && !isNaN(parseFloat(obj));\n };\n\n // Is the given value `NaN`? (NaN is the only number which does not equal itself).\n _.isNaN = function(obj) {\n return _.isNumber(obj) && obj != +obj;\n };\n\n // Is a given value a boolean?\n _.isBoolean = function(obj) {\n return obj === true || obj === false || toString.call(obj) == '[object Boolean]';\n };\n\n // Is a given value equal to null?\n _.isNull = function(obj) {\n return obj === null;\n };\n\n // Is a given variable undefined?\n _.isUndefined = function(obj) {\n return obj === void 0;\n };\n\n // Shortcut function for checking if an object has a given property directly\n // on itself (in other words, not on a prototype).\n _.has = function(obj, key) {\n return hasOwnProperty.call(obj, key);\n };\n\n // Utility Functions\n // -----------------\n\n // Run Underscore.js in *noConflict* mode, returning the `_` variable to its\n // previous owner. Returns a reference to the Underscore object.\n _.noConflict = function() {\n root._ = previousUnderscore;\n return this;\n };\n\n // Keep the identity function around for default iterators.\n _.identity = function(value) {\n return value;\n };\n\n _.constant = function(value) {\n return function () {\n return value;\n };\n };\n\n _.property = function(key) {\n return function(obj) {\n return obj[key];\n };\n };\n\n // Returns a predicate for checking whether an object has a given set of `key:value` pairs.\n _.matches = function(attrs) {\n return function(obj) {\n if (obj === attrs) return true; //avoid comparing an object to itself.\n for (var key in attrs) {\n if (attrs[key] !== obj[key])\n return false;\n }\n return true;\n }\n };\n\n // Run a function **n** times.\n _.times = function(n, iterator, context) {\n var accum = Array(Math.max(0, n));\n for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);\n return accum;\n };\n\n // Return a random integer between min and max (inclusive).\n _.random = function(min, max) {\n if (max == null) {\n max = min;\n min = 0;\n }\n return min + Math.floor(Math.random() * (max - min + 1));\n };\n\n // A (possibly faster) way to get the current timestamp as an integer.\n _.now = Date.now || function() { return new Date().getTime(); };\n\n // List of HTML entities for escaping.\n var entityMap = {\n escape: {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n }\n };\n entityMap.unescape = _.invert(entityMap.escape);\n\n // Regexes containing the keys and values listed immediately above.\n var entityRegexes = {\n escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),\n unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')\n };\n\n // Functions for escaping and unescaping strings to/from HTML interpolation.\n _.each(['escape', 'unescape'], function(method) {\n _[method] = function(string) {\n if (string == null) return '';\n return ('' + string).replace(entityRegexes[method], function(match) {\n return entityMap[method][match];\n });\n };\n });\n\n // If the value of the named `property` is a function then invoke it with the\n // `object` as context; otherwise, return it.\n _.result = function(object, property) {\n if (object == null) return void 0;\n var value = object[property];\n return _.isFunction(value) ? value.call(object) : value;\n };\n\n // Add your own custom functions to the Underscore object.\n _.mixin = function(obj) {\n each(_.functions(obj), function(name) {\n var func = _[name] = obj[name];\n _.prototype[name] = function() {\n var args = [this._wrapped];\n push.apply(args, arguments);\n return result.call(this, func.apply(_, args));\n };\n });\n };\n\n // Generate a unique integer id (unique within the entire client session).\n // Useful for temporary DOM ids.\n var idCounter = 0;\n _.uniqueId = function(prefix) {\n var id = ++idCounter + '';\n return prefix ? prefix + id : id;\n };\n\n // By default, Underscore uses ERB-style template delimiters, change the\n // following template settings to use alternative delimiters.\n _.templateSettings = {\n evaluate : /<%([\\s\\S]+?)%>/g,\n interpolate : /<%=([\\s\\S]+?)%>/g,\n escape : /<%-([\\s\\S]+?)%>/g\n };\n\n // When customizing `templateSettings`, if you don't want to define an\n // interpolation, evaluation or escaping regex, we need one that is\n // guaranteed not to match.\n var noMatch = /(.)^/;\n\n // Certain characters need to be escaped so that they can be put into a\n // string literal.\n var escapes = {\n \"'\": \"'\",\n '\\\\': '\\\\',\n '\\r': 'r',\n '\\n': 'n',\n '\\t': 't',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n var escaper = /\\\\|'|\\r|\\n|\\t|\\u2028|\\u2029/g;\n\n // JavaScript micro-templating, similar to John Resig's implementation.\n // Underscore templating handles arbitrary delimiters, preserves whitespace,\n // and correctly escapes quotes within interpolated code.\n _.template = function(text, data, settings) {\n var render;\n settings = _.defaults({}, settings, _.templateSettings);\n\n // Combine delimiters into one regular expression via alternation.\n var matcher = new RegExp([\n (settings.escape || noMatch).source,\n (settings.interpolate || noMatch).source,\n (settings.evaluate || noMatch).source\n ].join('|') + '|$', 'g');\n\n // Compile the template source, escaping string literals appropriately.\n var index = 0;\n var source = \"__p+='\";\n text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {\n source += text.slice(index, offset)\n .replace(escaper, function(match) { return '\\\\' + escapes[match]; });\n\n if (escape) {\n source += \"'+\\n((__t=(\" + escape + \"))==null?'':_.escape(__t))+\\n'\";\n }\n if (interpolate) {\n source += \"'+\\n((__t=(\" + interpolate + \"))==null?'':__t)+\\n'\";\n }\n if (evaluate) {\n source += \"';\\n\" + evaluate + \"\\n__p+='\";\n }\n index = offset + match.length;\n return match;\n });\n source += \"';\\n\";\n\n // If a variable is not specified, place data values in local scope.\n if (!settings.variable) source = 'with(obj||{}){\\n' + source + '}\\n';\n\n source = \"var __t,__p='',__j=Array.prototype.join,\" +\n \"print=function(){__p+=__j.call(arguments,'');};\\n\" +\n source + \"return __p;\\n\";\n\n try {\n render = new Function(settings.variable || 'obj', '_', source);\n } catch (e) {\n e.source = source;\n throw e;\n }\n\n if (data) return render(data, _);\n var template = function(data) {\n return render.call(this, data, _);\n };\n\n // Provide the compiled function source as a convenience for precompilation.\n template.source = 'function(' + (settings.variable || 'obj') + '){\\n' + source + '}';\n\n return template;\n };\n\n // Add a \"chain\" function, which will delegate to the wrapper.\n _.chain = function(obj) {\n return _(obj).chain();\n };\n\n // OOP\n // ---------------\n // If Underscore is called as a function, it returns a wrapped object that\n // can be used OO-style. This wrapper holds altered versions of all the\n // underscore functions. Wrapped objects may be chained.\n\n // Helper function to continue chaining intermediate results.\n var result = function(obj) {\n return this._chain ? _(obj).chain() : obj;\n };\n\n // Add all of the Underscore functions to the wrapper object.\n _.mixin(_);\n\n // Add all mutator Array functions to the wrapper.\n each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {\n var method = ArrayProto[name];\n _.prototype[name] = function() {\n var obj = this._wrapped;\n method.apply(obj, arguments);\n if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];\n return result.call(this, obj);\n };\n });\n\n // Add all accessor Array functions to the wrapper.\n each(['concat', 'join', 'slice'], function(name) {\n var method = ArrayProto[name];\n _.prototype[name] = function() {\n return result.call(this, method.apply(this._wrapped, arguments));\n };\n });\n\n _.extend(_.prototype, {\n\n // Start chaining a wrapped Underscore object.\n chain: function() {\n this._chain = true;\n return this;\n },\n\n // Extracts the result from a wrapped and chained object.\n value: function() {\n return this._wrapped;\n }\n\n });\n\n // AMD registration happens at the end for compatibility with AMD loaders\n // that may not enforce next-turn semantics on modules. Even though general\n // practice for AMD registration is to be anonymous, underscore registers\n // as a named module because, like jQuery, it is a base library that is\n // popular enough to be bundled in a third party lib, but not be part of\n // an AMD load request. Those cases could generate an error when an\n // anonymous define() is called outside of a loader request.\n if (true) {\n !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function() {\n return _;\n }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n }\n}).call(this);\n\n\n//# sourceURL=webpack:///./node_modules/underscore/underscore.js?"); - // Clear canvas - var mouseMapPosition = dContext.canvasPositionToMapPosition([mouseX, mouseY]); +/***/ }), - if (!player.isJumping) { - player.setMapPositionTarget(mouseMapPosition[0], mouseMapPosition[1]); - } +/***/ "./node_modules/webpack/buildin/global.js": +/*!***********************************!*\ + !*** (webpack)/buildin/global.js ***! + \***********************************/ +/*! no static exports found */ +/***/ (function(module, exports) { - intervalNum++; +eval("var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n\n\n//# sourceURL=webpack:///(webpack)/buildin/global.js?"); - player.cycle(); +/***/ }) - movingObjects.each(function (movingObject, i) { - movingObject.cycle(dContext); - }); - - staticObjects.cull(); - staticObjects.each(function (staticObject, i) { - if (staticObject.cycle) { - staticObject.cycle(); - } - }); - - uiElements.each(function (uiElement, i) { - if (uiElement.cycle) { - uiElement.cycle(); - } - }); - - afterCycleCallbacks.each(function(c) { - c(); - }); - }; - - that.draw = function () { - // Clear canvas - mainCanvas.width = mainCanvas.width; - - player.draw(dContext); - - player.cycle(); - - movingObjects.each(function (movingObject, i) { - movingObject.draw(dContext); - }); - - staticObjects.each(function (staticObject, i) { - if (staticObject.draw) { - staticObject.draw(dContext, 'main'); - } - }); - - uiElements.each(function (uiElement, i) { - if (uiElement.draw) { - uiElement.draw(dContext, 'main'); - } - }); - }; - - this.start = function () { - gameLoop.start(); - }; - - this.pause = function () { - paused = true; - gameLoop.stop(); - }; - - this.isPaused = function () { - return paused; - }; - - this.reset = function () { - paused = false; - staticObjects = new SpriteArray(); - movingObjects = new SpriteArray(); - mouseX = dContext.getCentreOfViewport(); - mouseY = 0; - player.reset(); - player.setMapPosition(0, 0, 0); - this.start(); - }.bind(this); - - gameLoop.on('20', this.cycle); - gameLoop.on('20', this.draw); - } - - global.game = Game; -})( this ); - - -if (typeof module !== 'undefined') { - module.exports = this.game; -} -},{"./spriteArray":12,"eventedloop":16}],4:[function(require,module,exports){ -// Creates a random ID string -(function(global) { - function guid () - { - var S4 = function () - { - return Math.floor( - Math.random() * 0x10000 /* 65536 */ - ).toString(16); - }; - - return ( - S4() + S4() + "-" + - S4() + "-" + - S4() + "-" + - S4() + "-" + - S4() + S4() + S4() - ); - } - global.guid = guid; -})(this); - -if (typeof module !== 'undefined') { - module.exports = this.guid; -} -},{}],5:[function(require,module,exports){ -function InfoBox(data) { - var that = this; - - that.lines = data.initialLines; - - that.top = data.position.top; - that.right = data.position.right; - that.bottom = data.position.bottom; - that.left = data.position.left; - - that.width = data.width; - that.height = data.height; - - that.setLines = function (lines) { - that.lines = lines; - }; - - that.draw = function (dContext) { - dContext.font = '11px monospace'; - var yOffset = 0; - that.lines.each(function (line) { - var fontSize = +dContext.font.slice(0,2); - var textWidth = dContext.measureText(line).width; - var textHeight = fontSize * 1.5; - var xPos, yPos; - if (that.top) { - yPos = that.top + yOffset; - } else if (that.bottom) { - yPos = dContext.canvas.height - that.top - textHeight + yOffset; - } - - if (that.right) { - xPos = dContext.canvas.width - that.right - textWidth; - } else if (that.left) { - xPos = that.left; - } - - yOffset += textHeight; - - - dContext.fillText(line, xPos, yPos); - }); - }; - - return that; -} - -if (typeof module !== 'undefined') { - module.exports = InfoBox; -} - -},{}],6:[function(require,module,exports){ -function isMobileDevice() { - if(navigator.userAgent.match(/Android/i) || - navigator.userAgent.match(/webOS/i) || - navigator.userAgent.match(/iPhone/i) || - navigator.userAgent.match(/iPad/i) || - navigator.userAgent.match(/iPod/i) || - navigator.userAgent.match(/BlackBerry/i) || - navigator.userAgent.match(/Windows Phone/i) - ) { - return true; - } - else { - return false; - } -} - -module.exports = isMobileDevice; -},{}],7:[function(require,module,exports){ -var Sprite = require('./sprite'); - -(function(global) { - function Monster(data) { - var that = new Sprite(data); - var super_draw = that.superior('draw'); - var spriteVersion = 1; - var eatingStage = 0; - var standardSpeed = 6; - - that.isEating = false; - that.isFull = false; - that.setSpeed(standardSpeed); - - that.draw = function(dContext) { - var spritePartToUse = function () { - var xDiff = that.movingToward[0] - that.canvasX; - - if (that.isEating) { - return 'eating' + eatingStage; - } - - if (spriteVersion + 0.1 > 2) { - spriteVersion = 0.1; - } else { - spriteVersion += 0.1; - } - if (xDiff >= 0) { - return 'sEast' + Math.ceil(spriteVersion); - } else if (xDiff < 0) { - return 'sWest' + Math.ceil(spriteVersion); - } - }; - - return super_draw(dContext, spritePartToUse()); - }; - - function startEating (whenDone) { - eatingStage += 1; - that.isEating = true; - that.isMoving = false; - if (eatingStage < 6) { - setTimeout(function () { - startEating(whenDone); - }, 300); - } else { - eatingStage = 0; - that.isEating = false; - that.isMoving = true; - whenDone(); - } - } - - that.startEating = startEating; - - return that; - } - - global.monster = Monster; -})( this ); - - -if (typeof module !== 'undefined') { - module.exports = this.monster; -} -},{"./sprite":11}],8:[function(require,module,exports){ -// Avoid `console` errors in browsers that lack a console. -(function() { - var method; - var noop = function noop() {}; - var methods = [ - 'assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error', - 'exception', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log', - 'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd', - 'timeStamp', 'trace', 'warn' - ]; - var length = methods.length; - var console = (window.console = window.console || {}); - - while (length--) { - method = methods[length]; - - // Only stub undefined methods. - if (!console[method]) { - console[method] = noop; - } - } -}()); -},{}],9:[function(require,module,exports){ -var Sprite = require('./sprite'); -if (typeof navigator !== 'undefined') { - navigator.vibrate = navigator.vibrate || - navigator.webkitVibrate || - navigator.mozVibrate || - navigator.msVibrate; -} else { - navigator = { - vibrate: false - }; -} - -(function(global) { - function Skier(data) { - var discreteDirections = { - 'west': 270, - 'wsWest': 240, - 'sWest': 195, - 'south': 180, - 'sEast': 165, - 'esEast': 120, - 'east': 90 - }; - var that = new Sprite(data); - var sup = { - draw: that.superior('draw'), - cycle: that.superior('cycle'), - getSpeedX: that.superior('getSpeedX'), - getSpeedY: that.superior('getSpeedY'), - hits: that.superior('hits') - }; - var directions = { - esEast: function(xDiff) { return xDiff > 300; }, - sEast: function(xDiff) { return xDiff > 75; }, - wsWest: function(xDiff) { return xDiff < -300; }, - sWest: function(xDiff) { return xDiff < -75; } - }; - - var cancelableStateTimeout; - var cancelableStateInterval; - - var canSpeedBoost = true; - - var obstaclesHit = []; - var pixelsTravelled = 0; - var standardSpeed = 5; - var boostMultiplier = 2; - var turnEaseCycles = 70; - var speedX = 0; - var speedXFactor = 0; - var speedY = 0; - var speedYFactor = 1; - var trickStep = 0; // There are three of these - - that.isMoving = true; - that.hasBeenHit = false; - that.isJumping = false; - that.isPerformingTrick = false; - that.onHitObstacleCb = function() {}; - that.setSpeed(standardSpeed); - - that.reset = function () { - obstaclesHit = []; - pixelsTravelled = 0; - that.isMoving = true; - that.hasBeenHit = false; - canSpeedBoost = true; - setNormal(); - }; - - function setNormal() { - that.setSpeed(standardSpeed); - that.isMoving = true; - that.hasBeenHit = false; - that.isJumping = false; - that.isPerformingTrick = false; - if (cancelableStateInterval) { - clearInterval(cancelableStateInterval); - } - that.setMapPosition(undefined, undefined, 0); - } - - function setCrashed() { - that.isMoving = false; - that.hasBeenHit = true; - that.isJumping = false; - that.isPerformingTrick = false; - if (cancelableStateInterval) { - clearInterval(cancelableStateInterval); - } - that.setMapPosition(undefined, undefined, 0); - } - - function setJumping() { - var currentSpeed = that.getSpeed(); - that.setSpeed(currentSpeed + 2); - that.setSpeedY(currentSpeed + 2); - that.isMoving = true; - that.hasBeenHit = false; - that.isJumping = true; - that.setMapPosition(undefined, undefined, 1); - } - - function getDiscreteDirection() { - if (that.direction) { - if (that.direction <= 90) { - return 'east'; - } else if (that.direction > 90 && that.direction < 150) { - return 'esEast'; - } else if (that.direction >= 150 && that.direction < 180) { - return 'sEast'; - } else if (that.direction === 180) { - return 'south'; - } else if (that.direction > 180 && that.direction <= 210) { - return 'sWest'; - } else if (that.direction > 210 && that.direction < 270) { - return 'wsWest'; - } else if (that.direction >= 270) { - return 'west'; - } else { - return 'south'; - } - } else { - var xDiff = that.movingToward[0] - that.mapPosition[0]; - var yDiff = that.movingToward[1] - that.mapPosition[1]; - if (yDiff <= 0) { - if (xDiff > 0) { - return 'east'; - } else { - return 'west'; - } - } - - if (directions.esEast(xDiff)) { - return 'esEast'; - } else if (directions.sEast(xDiff)) { - return 'sEast'; - } else if (directions.wsWest(xDiff)) { - return 'wsWest'; - } else if (directions.sWest(xDiff)) { - return 'sWest'; - } - } - return 'south'; - } - - function setDiscreteDirection(d) { - if (discreteDirections[d]) { - that.setDirection(discreteDirections[d]); - } - - if (d === 'west' || d === 'east') { - that.isMoving = false; - } else { - that.isMoving = true; - } - } - - function getBeingEatenSprite() { - return 'blank'; - } - - function getJumpingSprite() { - return 'jumping'; - } - - function getTrickSprite() { - console.log('Trick step is', trickStep); - if (trickStep === 0) { - return 'jumping'; - } else if (trickStep === 1) { - return 'somersault1'; - } else { - return 'somersault2'; - } - } - - that.stop = function () { - if (that.direction > 180) { - setDiscreteDirection('west'); - } else { - setDiscreteDirection('east'); - } - }; - - that.turnEast = function () { - var discreteDirection = getDiscreteDirection(); - - switch (discreteDirection) { - case 'west': - setDiscreteDirection('wsWest'); - break; - case 'wsWest': - setDiscreteDirection('sWest'); - break; - case 'sWest': - setDiscreteDirection('south'); - break; - case 'south': - setDiscreteDirection('sEast'); - break; - case 'sEast': - setDiscreteDirection('esEast'); - break; - case 'esEast': - setDiscreteDirection('east'); - break; - default: - setDiscreteDirection('south'); - break; - } - }; - - that.turnWest = function () { - var discreteDirection = getDiscreteDirection(); - - switch (discreteDirection) { - case 'east': - setDiscreteDirection('esEast'); - break; - case 'esEast': - setDiscreteDirection('sEast'); - break; - case 'sEast': - setDiscreteDirection('south'); - break; - case 'south': - setDiscreteDirection('sWest'); - break; - case 'sWest': - setDiscreteDirection('wsWest'); - break; - case 'wsWest': - setDiscreteDirection('west'); - break; - default: - setDiscreteDirection('south'); - break; - } - }; - - that.stepWest = function () { - that.mapPosition[0] -= that.speed * 2; - }; - - that.stepEast = function () { - that.mapPosition[0] += that.speed * 2; - }; - - that.setMapPositionTarget = function (x, y) { - if (that.hasBeenHit) return; - - if (Math.abs(that.mapPosition[0] - x) <= 75) { - x = that.mapPosition[0]; - } - - that.movingToward = [ x, y ]; - - // that.resetDirection(); - }; - - that.startMovingIfPossible = function () { - if (!that.hasBeenHit && !that.isBeingEaten) { - that.isMoving = true; - } - }; - - that.setTurnEaseCycles = function (c) { - turnEaseCycles = c; - }; - - that.getPixelsTravelledDownMountain = function () { - return pixelsTravelled; - }; - - that.resetSpeed = function () { - that.setSpeed(standardSpeed); - }; - - that.cycle = function () { - if ( that.getSpeedX() <= 0 && that.getSpeedY() <= 0 ) { - that.isMoving = false; - } - if (that.isMoving) { - pixelsTravelled += that.speed; - } - - if (that.isJumping) { - that.setMapPositionTarget(undefined, that.mapPosition[1] + that.getSpeed()); - } - - sup.cycle(); - - that.checkHittableObjects(); - }; - - that.draw = function(dContext) { - var spritePartToUse = function () { - if (that.isBeingEaten) { - return getBeingEatenSprite(); - } - - if (that.isJumping) { - if (that.isPerformingTrick) { - return getTrickSprite(); - } - return getJumpingSprite(); - } - - if (that.hasBeenHit) { - return 'hit'; - } - - return getDiscreteDirection(); - }; - - return sup.draw(dContext, spritePartToUse()); - }; - - that.hits = function (obs) { - if (obstaclesHit.indexOf(obs.id) !== -1) { - return false; - } - - if (!obs.occupiesZIndex(that.mapPosition[2])) { - return false; - } - - if (sup.hits(obs)) { - return true; - } - - return false; - }; - - that.speedBoost = function () { - var originalSpeed = that.speed; - if (canSpeedBoost) { - canSpeedBoost = false; - that.setSpeed(that.speed * boostMultiplier); - setTimeout(function () { - that.setSpeed(originalSpeed); - setTimeout(function () { - canSpeedBoost = true; - }, 10000); - }, 2000); - } - }; - - that.attemptTrick = function () { - if (that.isJumping) { - that.isPerformingTrick = true; - cancelableStateInterval = setInterval(function () { - if (trickStep >= 2) { - trickStep = 0; - } else { - trickStep += 1; - } - }, 300); - } - }; - - that.getStandardSpeed = function () { - return standardSpeed; - }; - - function easeSpeedToTargetUsingFactor(sp, targetSpeed, f) { - if (f === 0 || f === 1) { - return targetSpeed; - } - - if (sp < targetSpeed) { - sp += that.getSpeed() * (f / turnEaseCycles); - } - - if (sp > targetSpeed) { - sp -= that.getSpeed() * (f / turnEaseCycles); - } - - return sp; - } - - that.getSpeedX = function () { - if (getDiscreteDirection() === 'esEast' || getDiscreteDirection() === 'wsWest') { - speedXFactor = 0.5; - speedX = easeSpeedToTargetUsingFactor(speedX, that.getSpeed() * speedXFactor, speedXFactor); - - return speedX; - } - - if (getDiscreteDirection() === 'sEast' || getDiscreteDirection() === 'sWest') { - speedXFactor = 0.33; - speedX = easeSpeedToTargetUsingFactor(speedX, that.getSpeed() * speedXFactor, speedXFactor); - - return speedX; - } - - // So it must be south - - speedX = easeSpeedToTargetUsingFactor(speedX, 0, speedXFactor); - - return speedX; - }; - - that.setSpeedY = function(sy) { - speedY = sy; - }; - - that.getSpeedY = function () { - var targetSpeed; - - if (that.isJumping) { - return speedY; - } - - if (getDiscreteDirection() === 'esEast' || getDiscreteDirection() === 'wsWest') { - speedYFactor = 0.6; - speedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed() * 0.6, 0.6); - - return speedY; - } - - if (getDiscreteDirection() === 'sEast' || getDiscreteDirection() === 'sWest') { - speedYFactor = 0.85; - speedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed() * 0.85, 0.85); - - return speedY; - } - - if (getDiscreteDirection() === 'east' || getDiscreteDirection() === 'west') { - speedYFactor = 1; - speedY = 0; - - return speedY; - } - - // So it must be south - - speedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed(), speedYFactor); - - return speedY; - }; - - that.hasHitObstacle = function (obs) { - setCrashed(); - - if (navigator.vibrate) { - navigator.vibrate(500); - } - - obstaclesHit.push(obs.id); - - that.resetSpeed(); - that.onHitObstacleCb(obs); - - if (cancelableStateTimeout) { - clearTimeout(cancelableStateTimeout); - } - cancelableStateTimeout = setTimeout(function() { - setNormal(); - }, 1500); - }; - - that.hasHitJump = function () { - setJumping(); - - if (cancelableStateTimeout) { - clearTimeout(cancelableStateTimeout); - } - cancelableStateTimeout = setTimeout(function() { - setNormal(); - }, 1000); - }; - - that.isEatenBy = function (monster, whenEaten) { - that.hasHitObstacle(monster); - monster.startEating(whenEaten); - obstaclesHit.push(monster.id); - that.isMoving = false; - that.isBeingEaten = true; - }; - - that.reset = function () { - obstaclesHit = []; - pixelsTravelled = 0; - that.isMoving = true; - that.isJumping = false; - that.hasBeenHit = false; - canSpeedBoost = true; - }; - - that.setHitObstacleCb = function (fn) { - that.onHitObstacleCb = fn || function() {}; - }; - return that; - } - - global.skier = Skier; -})(this); - -if (typeof module !== 'undefined') { - module.exports = this.skier; -} - -},{"./sprite":11}],10:[function(require,module,exports){ -var Sprite = require('./sprite'); - -(function(global) { - function Snowboarder(data) { - var that = new Sprite(data); - var sup = { - draw: that.superior('draw'), - cycle: that.superior('cycle') - }; - var directions = { - sEast: function(xDiff) { return xDiff > 0; }, - sWest: function(xDiff) { return xDiff <= 0; } - }; - var standardSpeed = 3; - - that.setSpeed(standardSpeed); - - function getDirection() { - var xDiff = that.movingToward[0] - that.mapPosition[0]; - var yDiff = that.movingToward[1] - that.mapPosition[1]; - - if (directions.sEast(xDiff)) { - return 'sEast'; - } else { - return 'sWest'; - } - } - - that.cycle = function (dContext) { - if (Number.random(10) === 1) { - that.setMapPositionTarget(dContext.getRandomlyInTheCentreOfMap()); - that.setSpeed(standardSpeed + Number.random(-1, 1)); - } - - that.setMapPositionTarget(undefined, dContext.getMapBelowViewport() + 600); - - sup.cycle(); - }; - - that.draw = function(dContext) { - var spritePartToUse = function () { - return getDirection(); - }; - - return sup.draw(dContext, spritePartToUse()); - }; - - return that; - } - - global.snowboarder = Snowboarder; -})( this ); - - -if (typeof module !== 'undefined') { - module.exports = this.snowboarder; -} -},{"./sprite":11}],11:[function(require,module,exports){ -(function (global) { - var GUID = require('./guid'); - function Sprite (data) { - var hittableObjects = {}; - var zIndexesOccupied = [ 0 ]; - var that = this; - var trackedSpriteToMoveToward; - that.direction = undefined; - that.mapPosition = [0, 0, 0]; - that.id = GUID(); - that.canvasX = 0; - that.canvasY = 0; - that.canvasZ = 0; - that.height = 0; - that.speed = 0; - that.data = data || { parts : {} }; - that.movingToward = [ 0, 0 ]; - that.metresDownTheMountain = 0; - that.movingWithConviction = false; - that.deleted = false; - that.maxHeight = (function () { - return Object.values(that.data.parts).map(function (p) { return p[3]; }).max(); - }()); - that.isMoving = true; - - if (!that.data.parts) { - that.data.parts = {}; - } - - if (data && data.id){ - that.id = data.id; - } - - if (data && data.zIndexesOccupied) { - zIndexesOccupied = data.zIndexesOccupied; - } - - function incrementX(amount) { - that.canvasX += amount.toNumber(); - } - - function incrementY(amount) { - that.canvasY += amount.toNumber(); - } - - function getHitBox(forZIndex) { - if (that.data.hitBoxes) { - if (data.hitBoxes[forZIndex]) { - return data.hitBoxes[forZIndex]; - } - } - } - - function roundHalf(num) { - num = Math.round(num*2)/2; - return num; - } - - function move() { - if (!that.isMoving) { - return; - } - - var currentX = that.mapPosition[0]; - var currentY = that.mapPosition[1]; - - if (typeof that.direction !== 'undefined') { - // For this we need to modify the that.direction so it relates to the horizontal - var d = that.direction - 90; - if (d < 0) d = 360 + d; - currentX += roundHalf(that.speed * Math.cos(d * (Math.PI / 180))); - currentY += roundHalf(that.speed * Math.sin(d * (Math.PI / 180))); - } else { - if (typeof that.movingToward[0] !== 'undefined') { - if (currentX > that.movingToward[0]) { - currentX -= Math.min(that.getSpeedX(), Math.abs(currentX - that.movingToward[0])); - } else if (currentX < that.movingToward[0]) { - currentX += Math.min(that.getSpeedX(), Math.abs(currentX - that.movingToward[0])); - } - } - - if (typeof that.movingToward[1] !== 'undefined') { - if (currentY > that.movingToward[1]) { - currentY -= Math.min(that.getSpeedY(), Math.abs(currentY - that.movingToward[1])); - } else if (currentY < that.movingToward[1]) { - currentY += Math.min(that.getSpeedY(), Math.abs(currentY - that.movingToward[1])); - } - } - } - - that.setMapPosition(currentX, currentY); - } - - this.draw = function (dCtx, spriteFrame) { - var fr = that.data.parts[spriteFrame]; - that.height = fr[3]; - that.width = fr[2]; - - var newCanvasPosition = dCtx.mapPositionToCanvasPosition(that.mapPosition); - that.setCanvasPosition(newCanvasPosition[0], newCanvasPosition[1]); - - dCtx.drawImage(dCtx.getLoadedImage(that.data.$imageFile), fr[0], fr[1], fr[2], fr[3], that.canvasX, that.canvasY, fr[2], fr[3]); - }; - - this.setMapPosition = function (x, y, z) { - if (typeof x === 'undefined') { - x = that.mapPosition[0]; - } - if (typeof y === 'undefined') { - y = that.mapPosition[1]; - } - if (typeof z === 'undefined') { - z = that.mapPosition[2]; - } else { - that.zIndexesOccupied = [ z ]; - } - that.mapPosition = [x, y, z]; - }; - - this.setCanvasPosition = function (cx, cy) { - if (cx) { - if (Object.isString(cx) && (cx.first() === '+' || cx.first() === '-')) incrementX(cx); - else that.canvasX = cx; - } - - if (cy) { - if (Object.isString(cy) && (cy.first() === '+' || cy.first() === '-')) incrementY(cy); - else that.canvasY = cy; - } - }; - - this.getCanvasPositionX = function () { - return that.canvasX; - }; - - this.getCanvasPositionY = function () { - return that.canvasY; - }; - - this.getLeftHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; - var lhbe = this.getCanvasPositionX(); - if (getHitBox(zIndex)) { - lhbe += getHitBox(zIndex)[0]; - } - return lhbe; - }; - - this.getTopHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; - var thbe = this.getCanvasPositionY(); - if (getHitBox(zIndex)) { - thbe += getHitBox(zIndex)[1]; - } - return thbe; - }; - - this.getRightHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; - - if (getHitBox(zIndex)) { - return that.canvasX + getHitBox(zIndex)[2]; - } - - return that.canvasX + that.width; - }; - - this.getBottomHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; - - if (getHitBox(zIndex)) { - return that.canvasY + getHitBox(zIndex)[3]; - } - - return that.canvasY + that.height; - }; - - this.getPositionInFrontOf = function () { - return [that.canvasX, that.canvasY + that.height]; - }; - - this.setSpeed = function (s) { - that.speed = s; - that.speedX = s; - that.speedY = s; - }; - - this.incrementSpeedBy = function (s) { - that.speed += s; - }; - - that.getSpeed = function getSpeed () { - return that.speed; - }; - - that.getSpeedX = function () { - return that.speed; - }; - - that.getSpeedY = function () { - return that.speed; - }; - - this.setHeight = function (h) { - that.height = h; - }; - - this.setWidth = function (w) { - that.width = w; - }; - - this.getMaxHeight = function () { - return that.maxHeight; - }; - - that.getMovingTowardOpposite = function () { - if (!that.isMoving) { - return [0, 0]; - } - - var dx = (that.movingToward[0] - that.mapPosition[0]); - var dy = (that.movingToward[1] - that.mapPosition[1]); - - var oppositeX = (Math.abs(dx) > 75 ? 0 - dx : 0); - var oppositeY = -dy; - - return [ oppositeX, oppositeY ]; - }; - - this.checkHittableObjects = function () { - Object.keys(hittableObjects, function (k, objectData) { - if (objectData.object.deleted) { - delete hittableObjects[k]; - } else { - if (objectData.object.hits(that)) { - objectData.callbacks.each(function (callback) { - callback(that, objectData.object); - }); - } - } - }); - }; - - this.cycle = function () { - that.checkHittableObjects(); - - if (trackedSpriteToMoveToward) { - that.setMapPositionTarget(trackedSpriteToMoveToward.mapPosition[0], trackedSpriteToMoveToward.mapPosition[1], true); - } - - move(); - }; - - this.setMapPositionTarget = function (x, y, override) { - if (override) { - that.movingWithConviction = false; - } - - if (!that.movingWithConviction) { - if (typeof x === 'undefined') { - x = that.movingToward[0]; - } - - if (typeof y === 'undefined') { - y = that.movingToward[1]; - } - - that.movingToward = [ x, y ]; - - that.movingWithConviction = false; - } - - // that.resetDirection(); - }; - - this.setDirection = function (angle) { - if (angle >= 360) { - angle = 360 - angle; - } - that.direction = angle; - that.movingToward = undefined; - }; - - this.resetDirection = function () { - that.direction = undefined; - }; - - this.setMapPositionTargetWithConviction = function (cx, cy) { - that.setMapPositionTarget(cx, cy); - that.movingWithConviction = true; - // that.resetDirection(); - }; - - this.follow = function (sprite) { - trackedSpriteToMoveToward = sprite; - // that.resetDirection(); - }; - - this.stopFollowing = function () { - trackedSpriteToMoveToward = false; - }; - - this.onHitting = function (objectToHit, callback) { - if (hittableObjects[objectToHit.id]) { - return hittableObjects[objectToHit.id].callbacks.push(callback); - } - - hittableObjects[objectToHit.id] = { - object: objectToHit, - callbacks: [ callback ] - }; - }; - - this.deleteOnNextCycle = function () { - that.deleted = true; - }; - - this.occupiesZIndex = function (z) { - return zIndexesOccupied.indexOf(z) >= 0; - }; - - this.hits = function (other) { - var verticalIntersect = false; - var horizontalIntersect = false; - - // Test that THIS has a bottom edge inside of the other object - if (other.getTopHitBoxEdge(that.mapPosition[2]) <= that.getBottomHitBoxEdge(that.mapPosition[2]) && other.getBottomHitBoxEdge(that.mapPosition[2]) >= that.getBottomHitBoxEdge(that.mapPosition[2])) { - verticalIntersect = true; - } - - // Test that THIS has a top edge inside of the other object - if (other.getTopHitBoxEdge(that.mapPosition[2]) <= that.getTopHitBoxEdge(that.mapPosition[2]) && other.getBottomHitBoxEdge(that.mapPosition[2]) >= that.getTopHitBoxEdge(that.mapPosition[2])) { - verticalIntersect = true; - } - - // Test that THIS has a right edge inside of the other object - if (other.getLeftHitBoxEdge(that.mapPosition[2]) <= that.getRightHitBoxEdge(that.mapPosition[2]) && other.getRightHitBoxEdge(that.mapPosition[2]) >= that.getRightHitBoxEdge(that.mapPosition[2])) { - horizontalIntersect = true; - } - - // Test that THIS has a left edge inside of the other object - if (other.getLeftHitBoxEdge(that.mapPosition[2]) <= that.getLeftHitBoxEdge(that.mapPosition[2]) && other.getRightHitBoxEdge(that.mapPosition[2]) >= that.getLeftHitBoxEdge(that.mapPosition[2])) { - horizontalIntersect = true; - } - - return verticalIntersect && horizontalIntersect; - }; - - this.isAboveOnCanvas = function (cy) { - return (that.canvasY + that.height) < cy; - }; - - this.isBelowOnCanvas = function (cy) { - return (that.canvasY) > cy; - }; - - return that; - } - - Sprite.createObjects = function createObjects(spriteInfoArray, opts) { - if (!Array.isArray(spriteInfoArray)) spriteInfoArray = [ spriteInfoArray ]; - opts = Object.merge(opts, { - rateModifier: 0, - dropRate: 1, - position: [0, 0] - }, false, false); - - function createOne (spriteInfo) { - var position = opts.position; - if (Number.random(100 + opts.rateModifier) <= spriteInfo.dropRate) { - var sprite = new Sprite(spriteInfo.sprite); - sprite.setSpeed(0); - - if (Object.isFunction(position)) { - position = position(); - } - - sprite.setMapPosition(position[0], position[1]); - - if (spriteInfo.sprite.hitBehaviour && spriteInfo.sprite.hitBehaviour.skier && opts.player) { - sprite.onHitting(opts.player, spriteInfo.sprite.hitBehaviour.skier); - } - - return sprite; - } - } - - var objects = spriteInfoArray.map(createOne).remove(undefined); - - return objects; - }; - - global.sprite = Sprite; -})( this ); - - -if (typeof module !== 'undefined') { - module.exports = this.sprite; -} -},{"./guid":4}],12:[function(require,module,exports){ -(function (global) { - function SpriteArray() { - this.pushHandlers = []; - - return this; - } - - SpriteArray.prototype = Object.create(Array.prototype); - - SpriteArray.prototype.onPush = function(f, retroactive) { - this.pushHandlers.push(f); - - if (retroactive) { - this.each(f); - } - }; - - SpriteArray.prototype.push = function(obj) { - Array.prototype.push.call(this, obj); - this.pushHandlers.each(function(handler) { - handler(obj); - }); - }; - - SpriteArray.prototype.cull = function() { - this.each(function (obj, i) { - if (obj.deleted) { - return (delete this[i]); - } - }); - }; - - global.spriteArray = SpriteArray; -})(this); - - -if (typeof module !== 'undefined') { - module.exports = this.spriteArray; -} -},{}],13:[function(require,module,exports){ -// Global dependencies which return no modules -require('./lib/canvasRenderingContext2DExtensions'); -require('./lib/extenders'); -require('./lib/plugins'); - -// External dependencies -var Hammer = require('hammerjs'); -var Mousetrap = require('br-mousetrap'); - -// Method modules -var isMobileDevice = require('./lib/isMobileDevice'); - -// Game Objects -var SpriteArray = require('./lib/spriteArray'); -var Monster = require('./lib/monster'); -var Sprite = require('./lib/sprite'); -var Snowboarder = require('./lib/snowboarder'); -var Skier = require('./lib/skier'); -var InfoBox = require('./lib/infoBox'); -var Game = require('./lib/game'); - -// Local variables for starting the game -var mainCanvas = document.getElementById('skifree-canvas'); -var dContext = mainCanvas.getContext('2d'); -var imageSources = [ 'sprite-characters.png', 'skifree-objects.png' ]; -var global = this; -var infoBoxControls = 'Use the mouse or WASD to control the player'; -if (isMobileDevice()) infoBoxControls = 'Tap or drag on the piste to control the player'; -var sprites = require('./spriteInfo'); - -var pixelsPerMetre = 18; -var distanceTravelledInMetres = 0; -var monsterDistanceThreshold = 2000; -var livesLeft = 5; -var highScore = 0; -var loseLifeOnObstacleHit = false; -var dropRates = {smallTree: 4, tallTree: 2, jump: 1, thickSnow: 1, rock: 1}; -if (localStorage.getItem('highScore')) highScore = localStorage.getItem('highScore'); - -function loadImages (sources, next) { - var loaded = 0; - var images = {}; - - function finish () { - loaded += 1; - if (loaded === sources.length) { - next(images); - } - } - - sources.each(function (src) { - var im = new Image(); - im.onload = finish; - im.src = src; - dContext.storeLoadedImage(src, im); - }); -} - -function monsterHitsSkierBehaviour(monster, skier) { - skier.isEatenBy(monster, function () { - livesLeft -= 1; - monster.isFull = true; - monster.isEating = false; - skier.isBeingEaten = false; - monster.setSpeed(skier.getSpeed()); - monster.stopFollowing(); - var randomPositionAbove = dContext.getRandomMapPositionAboveViewport(); - monster.setMapPositionTarget(randomPositionAbove[0], randomPositionAbove[1]); - }); -} - -function startNeverEndingGame (images) { - var player; - var startSign; - var infoBox; - var game; - - function resetGame () { - distanceTravelledInMetres = 0; - livesLeft = 5; - highScore = localStorage.getItem('highScore'); - game.reset(); - game.addStaticObject(startSign); - } - - function detectEnd () { - if (!game.isPaused()) { - highScore = localStorage.setItem('highScore', distanceTravelledInMetres); - infoBox.setLines([ - 'Game over!', - 'Hit space to restart' - ]); - game.pause(); - game.cycle(); - } - } - - function randomlySpawnNPC(spawnFunction, dropRate) { - var rateModifier = Math.max(800 - mainCanvas.width, 0); - if (Number.random(1000 + rateModifier) <= dropRate) { - spawnFunction(); - } - } - - function spawnMonster () { - var newMonster = new Monster(sprites.monster); - var randomPosition = dContext.getRandomMapPositionAboveViewport(); - newMonster.setMapPosition(randomPosition[0], randomPosition[1]); - newMonster.follow(player); - newMonster.setSpeed(player.getStandardSpeed()); - newMonster.onHitting(player, monsterHitsSkierBehaviour); - - game.addMovingObject(newMonster, 'monster'); - } - - function spawnBoarder () { - var newBoarder = new Snowboarder(sprites.snowboarder); - var randomPositionAbove = dContext.getRandomMapPositionAboveViewport(); - var randomPositionBelow = dContext.getRandomMapPositionBelowViewport(); - newBoarder.setMapPosition(randomPositionAbove[0], randomPositionAbove[1]); - newBoarder.setMapPositionTarget(randomPositionBelow[0], randomPositionBelow[1]); - newBoarder.onHitting(player, sprites.snowboarder.hitBehaviour.skier); - - game.addMovingObject(newBoarder); - } - - player = new Skier(sprites.skier); - player.setMapPosition(0, 0); - player.setMapPositionTarget(0, -10); - if ( loseLifeOnObstacleHit ) { - player.setHitObstacleCb(function() { - livesLeft -= 1; - }); - } - - game = new Game(mainCanvas, player); - - startSign = new Sprite(sprites.signStart); - game.addStaticObject(startSign); - startSign.setMapPosition(-50, 0); - dContext.followSprite(player); - - infoBox = new InfoBox({ - initialLines : [ - 'SkiFree.js', - infoBoxControls, - 'Travelled 0m', - 'High Score: ' + highScore, - 'Skiers left: ' + livesLeft, - 'Created by Dan Hough (@basicallydan)' - ], - position: { - top: 15, - right: 10 - } - }); - - game.beforeCycle(function () { - var newObjects = []; - if (player.isMoving) { - newObjects = Sprite.createObjects([ - { sprite: sprites.smallTree, dropRate: dropRates.smallTree }, - { sprite: sprites.tallTree, dropRate: dropRates.tallTree }, - { sprite: sprites.jump, dropRate: dropRates.jump }, - { sprite: sprites.thickSnow, dropRate: dropRates.thickSnow }, - { sprite: sprites.rock, dropRate: dropRates.rock }, - ], { - rateModifier: Math.max(800 - mainCanvas.width, 0), - position: function () { - return dContext.getRandomMapPositionBelowViewport(); - }, - player: player - }); - } - if (!game.isPaused()) { - game.addStaticObjects(newObjects); - - randomlySpawnNPC(spawnBoarder, 0.1); - distanceTravelledInMetres = parseFloat(player.getPixelsTravelledDownMountain() / pixelsPerMetre).toFixed(1); - - if (distanceTravelledInMetres > monsterDistanceThreshold) { - randomlySpawnNPC(spawnMonster, 0.001); - } - - infoBox.setLines([ - 'SkiFree.js', - infoBoxControls, - 'Travelled ' + distanceTravelledInMetres + 'm', - 'Skiers left: ' + livesLeft, - 'High Score: ' + highScore, - 'Created by Dan Hough (@basicallydan)', - 'Current Speed: ' + player.getSpeed()/*, - 'Skier Map Position: ' + player.mapPosition[0].toFixed(1) + ', ' + player.mapPosition[1].toFixed(1), - 'Mouse Map Position: ' + mouseMapPosition[0].toFixed(1) + ', ' + mouseMapPosition[1].toFixed(1)*/ - ]); - } - }); - - game.afterCycle(function() { - if (livesLeft === 0) { - detectEnd(); - } - }); - - game.addUIElement(infoBox); - - $(mainCanvas) - .mousemove(function (e) { - game.setMouseX(e.pageX); - game.setMouseY(e.pageY); - player.resetDirection(); - player.startMovingIfPossible(); - }) - .bind('click', function (e) { - game.setMouseX(e.pageX); - game.setMouseY(e.pageY); - player.resetDirection(); - player.startMovingIfPossible(); - }) - .focus(); // So we can listen to events immediately - - Mousetrap.bind('f', player.speedBoost); - Mousetrap.bind('t', player.attemptTrick); - Mousetrap.bind(['w', 'up'], function () { - player.stop(); - }); - Mousetrap.bind(['a', 'left'], function () { - if (player.direction === 270) { - player.stepWest(); - } else { - player.turnWest(); - } - }); - Mousetrap.bind(['s', 'down'], function () { - player.setDirection(180); - player.startMovingIfPossible(); - }); - Mousetrap.bind(['d', 'right'], function () { - if (player.direction === 90) { - player.stepEast(); - } else { - player.turnEast(); - } - }); - Mousetrap.bind('m', spawnMonster); - Mousetrap.bind('b', spawnBoarder); - Mousetrap.bind('space', resetGame); - - var hammertime = Hammer(mainCanvas).on('press', function (e) { - e.preventDefault(); - game.setMouseX(e.center.x); - game.setMouseY(e.center.y); - }).on('tap', function (e) { - game.setMouseX(e.center.x); - game.setMouseY(e.center.y); - }).on('pan', function (e) { - game.setMouseX(e.center.x); - game.setMouseY(e.center.y); - player.resetDirection(); - player.startMovingIfPossible(); - }).on('doubletap', function (e) { - player.speedBoost(); - }); - - player.isMoving = false; - player.setDirection(270); - - game.start(); -} - -function resizeCanvas() { - mainCanvas.width = window.innerWidth; - mainCanvas.height = window.innerHeight; -} - -window.addEventListener('resize', resizeCanvas, false); - -resizeCanvas(); - -loadImages(imageSources, startNeverEndingGame); - -this.exports = window; - -},{"./lib/canvasRenderingContext2DExtensions":1,"./lib/extenders":2,"./lib/game":3,"./lib/infoBox":5,"./lib/isMobileDevice":6,"./lib/monster":7,"./lib/plugins":8,"./lib/skier":9,"./lib/snowboarder":10,"./lib/sprite":11,"./lib/spriteArray":12,"./spriteInfo":14,"br-mousetrap":15,"hammerjs":18}],14:[function(require,module,exports){ -(function (global) { - var sprites = { - 'skier' : { - $imageFile : 'sprite-characters.png', - parts : { - blank : [ 0, 0, 0, 0 ], - east : [ 0, 0, 24, 34 ], - esEast : [ 24, 0, 24, 34 ], - sEast : [ 49, 0, 17, 34 ], - south : [ 65, 0, 17, 34 ], - sWest : [ 49, 37, 17, 34 ], - wsWest : [ 24, 37, 24, 34 ], - west : [ 0, 37, 24, 34 ], - hit : [ 0, 78, 31, 31 ], - jumping : [ 84, 0, 32, 34 ], - somersault1 : [ 116, 0, 32, 34 ], - somersault2 : [ 148, 0, 32, 34 ] - }, - hitBoxes: { - 0: [ 7, 20, 27, 34 ] - }, - id : 'player', - hitBehaviour: {} - }, - 'smallTree' : { - $imageFile : 'skifree-objects.png', - parts : { - main : [ 0, 28, 30, 34 ] - }, - hitBoxes: { - 0: [ 0, 18, 30, 34 ] - }, - hitBehaviour: {} - }, - 'tallTree' : { - $imageFile : 'skifree-objects.png', - parts : { - main : [ 95, 66, 32, 64 ] - }, - zIndexesOccupied : [0, 1], - hitBoxes: { - 0: [0, 54, 32, 64], - 1: [0, 10, 32, 54] - }, - hitBehaviour: {} - }, - 'thickSnow' : { - $imageFile : 'skifree-objects.png', - parts : { - main : [ 143, 53, 43, 10 ] - }, - hitBehaviour: {} - }, - 'rock' : { - $imageFile : 'skifree-objects.png', - parts : { - main : [ 30, 52, 23, 11 ] - }, - hitBehaviour: {} - }, - 'monster' : { - $imageFile : 'sprite-characters.png', - parts : { - sEast1 : [ 64, 112, 26, 43 ], - sEast2 : [ 90, 112, 32, 43 ], - sWest1 : [ 64, 158, 26, 43 ], - sWest2 : [ 90, 158, 32, 43 ], - eating1 : [ 122, 112, 34, 43 ], - eating2 : [ 156, 112, 31, 43 ], - eating3 : [ 187, 112, 31, 43 ], - eating4 : [ 219, 112, 25, 43 ], - eating5 : [ 243, 112, 26, 43 ] - }, - hitBehaviour: {} - }, - 'jump' : { - $imageFile : 'skifree-objects.png', - parts : { - main : [ 109, 55, 32, 8 ] - }, - hitBehaviour: {} - }, - 'signStart' : { - $imageFile : 'skifree-objects.png', - parts : { - main : [ 260, 103, 42, 27 ] - }, - hitBehaviour: {} - }, - 'snowboarder' : { - $imageFile : 'sprite-characters.png', - parts : { - sEast : [ 73, 229, 20, 29 ], - sWest : [ 95, 228, 26, 30 ] - }, - hitBehaviour: {} - }, - 'emptyChairLift': { - $imageFile : 'skifree-objects.png', - parts: { - main : [ 92, 136, 26, 30 ] - }, - zIndexesOccupied : [1], - } - }; - - function monsterHitsTreeBehaviour(monster) { - monster.deleteOnNextCycle(); - } - - sprites.monster.hitBehaviour.tree = monsterHitsTreeBehaviour; - - function treeHitsMonsterBehaviour(tree, monster) { - monster.deleteOnNextCycle(); - } - - sprites.smallTree.hitBehaviour.monster = treeHitsMonsterBehaviour; - sprites.tallTree.hitBehaviour.monster = treeHitsMonsterBehaviour; - - function skierHitsTreeBehaviour(skier, tree) { - skier.hasHitObstacle(tree); - } - - function treeHitsSkierBehaviour(tree, skier) { - skier.hasHitObstacle(tree); - } - - sprites.smallTree.hitBehaviour.skier = treeHitsSkierBehaviour; - sprites.tallTree.hitBehaviour.skier = treeHitsSkierBehaviour; - - function rockHitsSkierBehaviour(rock, skier) { - skier.hasHitObstacle(rock); - } - - sprites.rock.hitBehaviour.skier = rockHitsSkierBehaviour; - - function skierHitsJumpBehaviour(skier, jump) { - skier.hasHitJump(jump); - } - - function jumpHitsSkierBehaviour(jump, skier) { - skier.hasHitJump(jump); - } - - sprites.jump.hitBehaviour.skier = jumpHitsSkierBehaviour; - -// Really not a fan of this behaviour. -/* function skierHitsThickSnowBehaviour(skier, thickSnow) { - // Need to implement this properly - skier.setSpeed(2); - setTimeout(function() { - skier.resetSpeed(); - }, 700); - } - - function thickSnowHitsSkierBehaviour(thickSnow, skier) { - // Need to implement this properly - skier.setSpeed(2); - setTimeout(function() { - skier.resetSpeed(); - }, 300); - }*/ - - // sprites.thickSnow.hitBehaviour.skier = thickSnowHitsSkierBehaviour; - - function snowboarderHitsSkierBehaviour(snowboarder, skier) { - skier.hasHitObstacle(snowboarder); - } - - sprites.snowboarder.hitBehaviour.skier = snowboarderHitsSkierBehaviour; - - global.spriteInfo = sprites; -})( this ); - - -if (typeof module !== 'undefined') { - module.exports = this.spriteInfo; -} -},{}],15:[function(require,module,exports){ -/** - * Copyright 2012 Craig Campbell - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * Mousetrap is a simple keyboard shortcut library for Javascript with - * no external dependencies - * - * @version 1.1.3 - * @url craig.is/killing/mice - */ -(function() { - - /** - * mapping of special keycodes to their corresponding keys - * - * everything in this dictionary cannot use keypress events - * so it has to be here to map to the correct keycodes for - * keyup/keydown events - * - * @type {Object} - */ - var _MAP = { - 8: 'backspace', - 9: 'tab', - 13: 'enter', - 16: 'shift', - 17: 'ctrl', - 18: 'alt', - 20: 'capslock', - 27: 'esc', - 32: 'space', - 33: 'pageup', - 34: 'pagedown', - 35: 'end', - 36: 'home', - 37: 'left', - 38: 'up', - 39: 'right', - 40: 'down', - 45: 'ins', - 46: 'del', - 91: 'meta', - 93: 'meta', - 224: 'meta' - }, - - /** - * mapping for special characters so they can support - * - * this dictionary is only used incase you want to bind a - * keyup or keydown event to one of these keys - * - * @type {Object} - */ - _KEYCODE_MAP = { - 106: '*', - 107: '+', - 109: '-', - 110: '.', - 111 : '/', - 186: ';', - 187: '=', - 188: ',', - 189: '-', - 190: '.', - 191: '/', - 192: '`', - 219: '[', - 220: '\\', - 221: ']', - 222: '\'' - }, - - /** - * this is a mapping of keys that require shift on a US keypad - * back to the non shift equivelents - * - * this is so you can use keyup events with these keys - * - * note that this will only work reliably on US keyboards - * - * @type {Object} - */ - _SHIFT_MAP = { - '~': '`', - '!': '1', - '@': '2', - '#': '3', - '$': '4', - '%': '5', - '^': '6', - '&': '7', - '*': '8', - '(': '9', - ')': '0', - '_': '-', - '+': '=', - ':': ';', - '\"': '\'', - '<': ',', - '>': '.', - '?': '/', - '|': '\\' - }, - - /** - * this is a list of special strings you can use to map - * to modifier keys when you specify your keyboard shortcuts - * - * @type {Object} - */ - _SPECIAL_ALIASES = { - 'option': 'alt', - 'command': 'meta', - 'return': 'enter', - 'escape': 'esc' - }, - - /** - * variable to store the flipped version of _MAP from above - * needed to check if we should use keypress or not when no action - * is specified - * - * @type {Object|undefined} - */ - _REVERSE_MAP, - - /** - * a list of all the callbacks setup via Mousetrap.bind() - * - * @type {Object} - */ - _callbacks = {}, - - /** - * direct map of string combinations to callbacks used for trigger() - * - * @type {Object} - */ - _direct_map = {}, - - /** - * keeps track of what level each sequence is at since multiple - * sequences can start out with the same sequence - * - * @type {Object} - */ - _sequence_levels = {}, - - /** - * variable to store the setTimeout call - * - * @type {null|number} - */ - _reset_timer, - - /** - * temporary state where we will ignore the next keyup - * - * @type {boolean|string} - */ - _ignore_next_keyup = false, - - /** - * are we currently inside of a sequence? - * type of action ("keyup" or "keydown" or "keypress") or false - * - * @type {boolean|string} - */ - _inside_sequence = false; - - /** - * loop through the f keys, f1 to f19 and add them to the map - * programatically - */ - for (var i = 1; i < 20; ++i) { - _MAP[111 + i] = 'f' + i; - } - - /** - * loop through to map numbers on the numeric keypad - */ - for (i = 0; i <= 9; ++i) { - _MAP[i + 96] = i; - } - - /** - * cross browser add event method - * - * @param {Element|HTMLDocument} object - * @param {string} type - * @param {Function} callback - * @returns void - */ - function _addEvent(object, type, callback) { - if (object.addEventListener) { - object.addEventListener(type, callback, false); - return; - } - - object.attachEvent('on' + type, callback); - } - - /** - * takes the event and returns the key character - * - * @param {Event} e - * @return {string} - */ - function _characterFromEvent(e) { - - // for keypress events we should return the character as is - if (e.type == 'keypress') { - return String.fromCharCode(e.which); - } - - // for non keypress events the special maps are needed - if (_MAP[e.which]) { - return _MAP[e.which]; - } - - if (_KEYCODE_MAP[e.which]) { - return _KEYCODE_MAP[e.which]; - } - - // if it is not in the special map - return String.fromCharCode(e.which).toLowerCase(); - } - - /** - * checks if two arrays are equal - * - * @param {Array} modifiers1 - * @param {Array} modifiers2 - * @returns {boolean} - */ - function _modifiersMatch(modifiers1, modifiers2) { - return modifiers1.sort().join(',') === modifiers2.sort().join(','); - } - - /** - * resets all sequence counters except for the ones passed in - * - * @param {Object} do_not_reset - * @returns void - */ - function _resetSequences(do_not_reset) { - do_not_reset = do_not_reset || {}; - - var active_sequences = false, - key; - - for (key in _sequence_levels) { - if (do_not_reset[key]) { - active_sequences = true; - continue; - } - _sequence_levels[key] = 0; - } - - if (!active_sequences) { - _inside_sequence = false; - } - } - - /** - * finds all callbacks that match based on the keycode, modifiers, - * and action - * - * @param {string} character - * @param {Array} modifiers - * @param {Event|Object} e - * @param {boolean=} remove - should we remove any matches - * @param {string=} combination - * @returns {Array} - */ - function _getMatches(character, modifiers, e, remove, combination) { - var i, - callback, - matches = [], - action = e.type; - - // if there are no events related to this keycode - if (!_callbacks[character]) { - return []; - } - - // if a modifier key is coming up on its own we should allow it - if (action == 'keyup' && _isModifier(character)) { - modifiers = [character]; - } - - // loop through all callbacks for the key that was pressed - // and see if any of them match - for (i = 0; i < _callbacks[character].length; ++i) { - callback = _callbacks[character][i]; - - // if this is a sequence but it is not at the right level - // then move onto the next match - if (callback.seq && _sequence_levels[callback.seq] != callback.level) { - continue; - } - - // if the action we are looking for doesn't match the action we got - // then we should keep going - if (action != callback.action) { - continue; - } - - // if this is a keypress event and the meta key and control key - // are not pressed that means that we need to only look at the - // character, otherwise check the modifiers as well - // - // chrome will not fire a keypress if meta or control is down - // safari will fire a keypress if meta or meta+shift is down - // firefox will fire a keypress if meta or control is down - if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) { - - // remove is used so if you change your mind and call bind a - // second time with a new function the first one is overwritten - if (remove && callback.combo == combination) { - _callbacks[character].splice(i, 1); - } - - matches.push(callback); - } - } - - return matches; - } - - /** - * takes a key event and figures out what the modifiers are - * - * @param {Event} e - * @returns {Array} - */ - function _eventModifiers(e) { - var modifiers = []; - - if (e.shiftKey) { - modifiers.push('shift'); - } - - if (e.altKey) { - modifiers.push('alt'); - } - - if (e.ctrlKey) { - modifiers.push('ctrl'); - } - - if (e.metaKey) { - modifiers.push('meta'); - } - - return modifiers; - } - - /** - * actually calls the callback function - * - * if your callback function returns false this will use the jquery - * convention - prevent default and stop propogation on the event - * - * @param {Function} callback - * @param {Event} e - * @returns void - */ - function _fireCallback(callback, e) { - if (callback(e) === false) { - if (e.preventDefault) { - e.preventDefault(); - } - - if (e.stopPropagation) { - e.stopPropagation(); - } - - e.returnValue = false; - e.cancelBubble = true; - } - } - - /** - * handles a character key event - * - * @param {string} character - * @param {Event} e - * @returns void - */ - function _handleCharacter(character, e) { - - // if this event should not happen stop here - if (Mousetrap.stopCallback(e, e.target || e.srcElement)) { - return; - } - - var callbacks = _getMatches(character, _eventModifiers(e), e), - i, - do_not_reset = {}, - processed_sequence_callback = false; - - // loop through matching callbacks for this key event - for (i = 0; i < callbacks.length; ++i) { - - // fire for all sequence callbacks - // this is because if for example you have multiple sequences - // bound such as "g i" and "g t" they both need to fire the - // callback for matching g cause otherwise you can only ever - // match the first one - if (callbacks[i].seq) { - processed_sequence_callback = true; - - // keep a list of which sequences were matches for later - do_not_reset[callbacks[i].seq] = 1; - _fireCallback(callbacks[i].callback, e); - continue; - } - - // if there were no sequence matches but we are still here - // that means this is a regular match so we should fire that - if (!processed_sequence_callback && !_inside_sequence) { - _fireCallback(callbacks[i].callback, e); - } - } - - // if you are inside of a sequence and the key you are pressing - // is not a modifier key then we should reset all sequences - // that were not matched by this key event - if (e.type == _inside_sequence && !_isModifier(character)) { - _resetSequences(do_not_reset); - } - } - - /** - * handles a keydown event - * - * @param {Event} e - * @returns void - */ - function _handleKey(e) { - - // normalize e.which for key events - // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion - e.which = typeof e.which == "number" ? e.which : e.keyCode; - - var character = _characterFromEvent(e); - - // no character found then stop - if (!character) { - return; - } - - if (e.type == 'keyup' && _ignore_next_keyup == character) { - _ignore_next_keyup = false; - return; - } - - _handleCharacter(character, e); - } - - /** - * determines if the keycode specified is a modifier key or not - * - * @param {string} key - * @returns {boolean} - */ - function _isModifier(key) { - return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta'; - } - - /** - * called to set a 1 second timeout on the specified sequence - * - * this is so after each key press in the sequence you have 1 second - * to press the next key before you have to start over - * - * @returns void - */ - function _resetSequenceTimer() { - clearTimeout(_reset_timer); - _reset_timer = setTimeout(_resetSequences, 1000); - } - - /** - * reverses the map lookup so that we can look for specific keys - * to see what can and can't use keypress - * - * @return {Object} - */ - function _getReverseMap() { - if (!_REVERSE_MAP) { - _REVERSE_MAP = {}; - for (var key in _MAP) { - - // pull out the numeric keypad from here cause keypress should - // be able to detect the keys from the character - if (key > 95 && key < 112) { - continue; - } - - if (_MAP.hasOwnProperty(key)) { - _REVERSE_MAP[_MAP[key]] = key; - } - } - } - return _REVERSE_MAP; - } - - /** - * picks the best action based on the key combination - * - * @param {string} key - character for key - * @param {Array} modifiers - * @param {string=} action passed in - */ - function _pickBestAction(key, modifiers, action) { - - // if no action was picked in we should try to pick the one - // that we think would work best for this key - if (!action) { - action = _getReverseMap()[key] ? 'keydown' : 'keypress'; - } - - // modifier keys don't work as expected with keypress, - // switch to keydown - if (action == 'keypress' && modifiers.length) { - action = 'keydown'; - } - - return action; - } - - /** - * binds a key sequence to an event - * - * @param {string} combo - combo specified in bind call - * @param {Array} keys - * @param {Function} callback - * @param {string=} action - * @returns void - */ - function _bindSequence(combo, keys, callback, action) { - - // start off by adding a sequence level record for this combination - // and setting the level to 0 - _sequence_levels[combo] = 0; - - // if there is no action pick the best one for the first key - // in the sequence - if (!action) { - action = _pickBestAction(keys[0], []); - } - - /** - * callback to increase the sequence level for this sequence and reset - * all other sequences that were active - * - * @param {Event} e - * @returns void - */ - var _increaseSequence = function(e) { - _inside_sequence = action; - ++_sequence_levels[combo]; - _resetSequenceTimer(); - }, - - /** - * wraps the specified callback inside of another function in order - * to reset all sequence counters as soon as this sequence is done - * - * @param {Event} e - * @returns void - */ - _callbackAndReset = function(e) { - _fireCallback(callback, e); - - // we should ignore the next key up if the action is key down - // or keypress. this is so if you finish a sequence and - // release the key the final key will not trigger a keyup - if (action !== 'keyup') { - _ignore_next_keyup = _characterFromEvent(e); - } - - // weird race condition if a sequence ends with the key - // another sequence begins with - setTimeout(_resetSequences, 10); - }, - i; - - // loop through keys one at a time and bind the appropriate callback - // function. for any key leading up to the final one it should - // increase the sequence. after the final, it should reset all sequences - for (i = 0; i < keys.length; ++i) { - _bindSingle(keys[i], i < keys.length - 1 ? _increaseSequence : _callbackAndReset, action, combo, i); - } - } - - /** - * binds a single keyboard combination - * - * @param {string} combination - * @param {Function} callback - * @param {string=} action - * @param {string=} sequence_name - name of sequence if part of sequence - * @param {number=} level - what part of the sequence the command is - * @returns void - */ - function _bindSingle(combination, callback, action, sequence_name, level) { - - // make sure multiple spaces in a row become a single space - combination = combination.replace(/\s+/g, ' '); - - var sequence = combination.split(' '), - i, - key, - keys, - modifiers = []; - - // if this pattern is a sequence of keys then run through this method - // to reprocess each pattern one key at a time - if (sequence.length > 1) { - _bindSequence(combination, sequence, callback, action); - return; - } - - // take the keys from this pattern and figure out what the actual - // pattern is all about - keys = combination === '+' ? ['+'] : combination.split('+'); - - for (i = 0; i < keys.length; ++i) { - key = keys[i]; - - // normalize key names - if (_SPECIAL_ALIASES[key]) { - key = _SPECIAL_ALIASES[key]; - } - - // if this is not a keypress event then we should - // be smart about using shift keys - // this will only work for US keyboards however - if (action && action != 'keypress' && _SHIFT_MAP[key]) { - key = _SHIFT_MAP[key]; - modifiers.push('shift'); - } - - // if this key is a modifier then add it to the list of modifiers - if (_isModifier(key)) { - modifiers.push(key); - } - } - - // depending on what the key combination is - // we will try to pick the best event for it - action = _pickBestAction(key, modifiers, action); - - // make sure to initialize array if this is the first time - // a callback is added for this key - if (!_callbacks[key]) { - _callbacks[key] = []; - } - - // remove an existing match if there is one - _getMatches(key, modifiers, {type: action}, !sequence_name, combination); - - // add this call back to the array - // if it is a sequence put it at the beginning - // if not put it at the end - // - // this is important because the way these are processed expects - // the sequence ones to come first - _callbacks[key][sequence_name ? 'unshift' : 'push']({ - callback: callback, - modifiers: modifiers, - action: action, - seq: sequence_name, - level: level, - combo: combination - }); - } - - /** - * binds multiple combinations to the same callback - * - * @param {Array} combinations - * @param {Function} callback - * @param {string|undefined} action - * @returns void - */ - function _bindMultiple(combinations, callback, action) { - for (var i = 0; i < combinations.length; ++i) { - _bindSingle(combinations[i], callback, action); - } - } - - // start! - _addEvent(document, 'keypress', _handleKey); - _addEvent(document, 'keydown', _handleKey); - _addEvent(document, 'keyup', _handleKey); - - var Mousetrap = { - - /** - * binds an event to mousetrap - * - * can be a single key, a combination of keys separated with +, - * an array of keys, or a sequence of keys separated by spaces - * - * be sure to list the modifier keys first to make sure that the - * correct key ends up getting bound (the last key in the pattern) - * - * @param {string|Array} keys - * @param {Function} callback - * @param {string=} action - 'keypress', 'keydown', or 'keyup' - * @returns void - */ - bind: function(keys, callback, action) { - _bindMultiple(keys instanceof Array ? keys : [keys], callback, action); - _direct_map[keys + ':' + action] = callback; - return this; - }, - - /** - * unbinds an event to mousetrap - * - * the unbinding sets the callback function of the specified key combo - * to an empty function and deletes the corresponding key in the - * _direct_map dict. - * - * the keycombo+action has to be exactly the same as - * it was defined in the bind method - * - * TODO: actually remove this from the _callbacks dictionary instead - * of binding an empty function - * - * @param {string|Array} keys - * @param {string} action - * @returns void - */ - unbind: function(keys, action) { - if (_direct_map[keys + ':' + action]) { - delete _direct_map[keys + ':' + action]; - this.bind(keys, function() {}, action); - } - return this; - }, - - /** - * triggers an event that has already been bound - * - * @param {string} keys - * @param {string=} action - * @returns void - */ - trigger: function(keys, action) { - _direct_map[keys + ':' + action](); - return this; - }, - - /** - * resets the library back to its initial state. this is useful - * if you want to clear out the current keyboard shortcuts and bind - * new ones - for example if you switch to another page - * - * @returns void - */ - reset: function() { - _callbacks = {}; - _direct_map = {}; - return this; - }, - - /** - * should we stop this event before firing off callbacks - * - * @param {Event} e - * @param {Element} element - * @return {boolean} - */ - stopCallback: function(e, element) { - - // if the element has the class "mousetrap" then no need to stop - if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) { - return false; - } - - // stop for input, select, and textarea - return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || (element.contentEditable && element.contentEditable == 'true'); - } - }; - - // expose mousetrap to the global object - window.Mousetrap = Mousetrap; - - // expose mousetrap as an AMD module - if (typeof define == 'function' && define.amd) { - define('mousetrap', function() { return Mousetrap; }); - } - // browserify support - if(typeof module === 'object' && module.exports) { - module.exports = Mousetrap; - } -}) (); - -},{}],16:[function(require,module,exports){ -(function (global){ -(function() { - var root = this; - var EventEmitter = require('events').EventEmitter; - var _ = require('underscore'); - var intervalParser = /([0-9\.]+)(ms|s|m|h)?/; - var root = global || window; - - // Lil bit of useful polyfill... - if (typeof(Function.prototype.inherits) === 'undefined') { - Function.prototype.inherits = function(parent) { - this.prototype = Object.create(parent.prototype); - }; - } - - if (typeof(Array.prototype.removeOne) === 'undefined') { - Array.prototype.removeOne = function() { - var what, a = arguments, L = a.length, ax; - while (L && this.length) { - what = a[--L]; - while ((ax = this.indexOf(what)) !== -1) { - return this.splice(ax, 1); - } - } - }; - } - - function greatestCommonFactor(intervals) { - var sumOfModuli = 1; - var interval = _.min(intervals); - while (sumOfModuli !== 0) { - sumOfModuli = _.reduce(intervals, function(memo, i){ return memo + (i % interval); }, 0); - if (sumOfModuli !== 0) { - interval -= 10; - } - } - return interval; - } - - function parseEvent(e) { - var intervalGroups = intervalParser.exec(e); - if (!intervalGroups) { - throw new Error('I don\'t understand that particular interval'); - } - var intervalAmount = +intervalGroups[1]; - var intervalType = intervalGroups[2] || 'ms'; - if (intervalType === 's') { - intervalAmount = intervalAmount * 1000; - } else if (intervalType === 'm') { - intervalAmount = intervalAmount * 1000 * 60; - } else if (intervalType === 'h') { - intervalAmount = intervalAmount * 1000 * 60 * 60; - } else if (!!intervalType && intervalType !== 'ms') { - throw new Error('You can only specify intervals of ms, s, m, or h'); - } - if (intervalAmount < 10 || intervalAmount % 10 !== 0) { - // We only deal in 10's of milliseconds for simplicity - throw new Error('You can only specify 10s of milliseconds, trust me on this one'); - } - return { - amount:intervalAmount, - type:intervalType - }; - } - - function EventedLoop() { - this.intervalId = undefined; - this.intervalLength = undefined; - this.intervalsToEmit = {}; - this.currentTick = 1; - this.maxTicks = 0; - this.listeningForFocus = false; - - // Private method - var determineIntervalLength = function () { - var potentialIntervalLength = greatestCommonFactor(_.keys(this.intervalsToEmit)); - var changed = false; - - if (this.intervalLength) { - if (potentialIntervalLength !== this.intervalLength) { - // Looks like we need a new interval - this.intervalLength = potentialIntervalLength; - changed = true; - } - } else { - this.intervalLength = potentialIntervalLength; - } - - this.maxTicks = _.max(_.map(_.keys(this.intervalsToEmit), function(a) { return +a; })) / this.intervalLength; - return changed; - }.bind(this); - - this.on('newListener', function (e) { - if (e === 'removeListener' || e === 'newListener') return; // We don't care about that one - var intervalInfo = parseEvent(e); - var intervalAmount = intervalInfo.amount; - - this.intervalsToEmit[+intervalAmount] = _.union(this.intervalsToEmit[+intervalAmount] || [], [e]); - - if (determineIntervalLength() && this.isStarted()) { - this.stop().start(); - } - }); - - this.on('removeListener', function (e) { - if (EventEmitter.listenerCount(this, e) > 0) return; - var intervalInfo = parseEvent(e); - var intervalAmount = intervalInfo.amount; - - var removedEvent = this.intervalsToEmit[+intervalAmount].removeOne(e); - if (this.intervalsToEmit[+intervalAmount].length === 0) { - delete this.intervalsToEmit[+intervalAmount]; - } - console.log('Determining interval length after removal of', removedEvent); - determineIntervalLength(); - - if (determineIntervalLength() && this.isStarted()) { - this.stop().start(); - } - }); - } - - EventedLoop.inherits(EventEmitter); - - // Public methods - EventedLoop.prototype.tick = function () { - var milliseconds = this.currentTick * this.intervalLength; - _.each(this.intervalsToEmit, function (events, key) { - if (milliseconds % key === 0) { - _.each(events, function(e) { this.emit(e, e, key); }.bind(this)); - } - }.bind(this)); - this.currentTick += 1; - if (this.currentTick > this.maxTicks) { - this.currentTick = 1; - } - return this; - }; - - EventedLoop.prototype.start = function () { - if (!this.intervalLength) { - throw new Error('You haven\'t specified any interval callbacks. Use EventedLoop.on(\'500ms\', function () { ... }) to do so, and then you can start'); - } - if (this.intervalId) { - return console.log('No need to start the loop again, it\'s already started.'); - } - - this.intervalId = setInterval(this.tick.bind(this), this.intervalLength); - - if (root && !this.listeningForFocus && root.addEventListener) { - root.addEventListener('focus', function() { - this.start(); - }.bind(this)); - - root.addEventListener('blur', function() { - this.stop(); - }.bind(this)); - - this.listeningForFocus = true; - } - return this; - }; - - EventedLoop.prototype.stop = function () { - clearInterval(this.intervalId); - this.intervalId = undefined; - return this; - }; - - EventedLoop.prototype.isStarted = function () { - return !!this.intervalId; - }; - - EventedLoop.prototype.every = EventedLoop.prototype.on; - - // Export the EventedLoop object for **Node.js** or other - // commonjs systems. Otherwise, add it as a global object to the root - if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) { - exports = module.exports = EventedLoop; - } - exports.EventedLoop = EventedLoop; - } - if (typeof window !== 'undefined') { - window.EventedLoop = EventedLoop; - } -}).call(this); -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"events":19,"underscore":17}],17:[function(require,module,exports){ -// Underscore.js 1.6.0 -// http://underscorejs.org -// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors -// Underscore may be freely distributed under the MIT license. - -(function() { - - // Baseline setup - // -------------- - - // Establish the root object, `window` in the browser, or `exports` on the server. - var root = this; - - // Save the previous value of the `_` variable. - var previousUnderscore = root._; - - // Establish the object that gets returned to break out of a loop iteration. - var breaker = {}; - - // Save bytes in the minified (but not gzipped) version: - var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; - - // Create quick reference variables for speed access to core prototypes. - var - push = ArrayProto.push, - slice = ArrayProto.slice, - concat = ArrayProto.concat, - toString = ObjProto.toString, - hasOwnProperty = ObjProto.hasOwnProperty; - - // All **ECMAScript 5** native function implementations that we hope to use - // are declared here. - var - nativeForEach = ArrayProto.forEach, - nativeMap = ArrayProto.map, - nativeReduce = ArrayProto.reduce, - nativeReduceRight = ArrayProto.reduceRight, - nativeFilter = ArrayProto.filter, - nativeEvery = ArrayProto.every, - nativeSome = ArrayProto.some, - nativeIndexOf = ArrayProto.indexOf, - nativeLastIndexOf = ArrayProto.lastIndexOf, - nativeIsArray = Array.isArray, - nativeKeys = Object.keys, - nativeBind = FuncProto.bind; - - // Create a safe reference to the Underscore object for use below. - var _ = function(obj) { - if (obj instanceof _) return obj; - if (!(this instanceof _)) return new _(obj); - this._wrapped = obj; - }; - - // Export the Underscore object for **Node.js**, with - // backwards-compatibility for the old `require()` API. If we're in - // the browser, add `_` as a global object via a string identifier, - // for Closure Compiler "advanced" mode. - if (typeof exports !== 'undefined') { - if (typeof module !== 'undefined' && module.exports) { - exports = module.exports = _; - } - exports._ = _; - } else { - root._ = _; - } - - // Current version. - _.VERSION = '1.6.0'; - - // Collection Functions - // -------------------- - - // The cornerstone, an `each` implementation, aka `forEach`. - // Handles objects with the built-in `forEach`, arrays, and raw objects. - // Delegates to **ECMAScript 5**'s native `forEach` if available. - var each = _.each = _.forEach = function(obj, iterator, context) { - if (obj == null) return obj; - if (nativeForEach && obj.forEach === nativeForEach) { - obj.forEach(iterator, context); - } else if (obj.length === +obj.length) { - for (var i = 0, length = obj.length; i < length; i++) { - if (iterator.call(context, obj[i], i, obj) === breaker) return; - } - } else { - var keys = _.keys(obj); - for (var i = 0, length = keys.length; i < length; i++) { - if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return; - } - } - return obj; - }; - - // Return the results of applying the iterator to each element. - // Delegates to **ECMAScript 5**'s native `map` if available. - _.map = _.collect = function(obj, iterator, context) { - var results = []; - if (obj == null) return results; - if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context); - each(obj, function(value, index, list) { - results.push(iterator.call(context, value, index, list)); - }); - return results; - }; - - var reduceError = 'Reduce of empty array with no initial value'; - - // **Reduce** builds up a single result from a list of values, aka `inject`, - // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available. - _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) { - var initial = arguments.length > 2; - if (obj == null) obj = []; - if (nativeReduce && obj.reduce === nativeReduce) { - if (context) iterator = _.bind(iterator, context); - return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator); - } - each(obj, function(value, index, list) { - if (!initial) { - memo = value; - initial = true; - } else { - memo = iterator.call(context, memo, value, index, list); - } - }); - if (!initial) throw new TypeError(reduceError); - return memo; - }; - - // The right-associative version of reduce, also known as `foldr`. - // Delegates to **ECMAScript 5**'s native `reduceRight` if available. - _.reduceRight = _.foldr = function(obj, iterator, memo, context) { - var initial = arguments.length > 2; - if (obj == null) obj = []; - if (nativeReduceRight && obj.reduceRight === nativeReduceRight) { - if (context) iterator = _.bind(iterator, context); - return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator); - } - var length = obj.length; - if (length !== +length) { - var keys = _.keys(obj); - length = keys.length; - } - each(obj, function(value, index, list) { - index = keys ? keys[--length] : --length; - if (!initial) { - memo = obj[index]; - initial = true; - } else { - memo = iterator.call(context, memo, obj[index], index, list); - } - }); - if (!initial) throw new TypeError(reduceError); - return memo; - }; - - // Return the first value which passes a truth test. Aliased as `detect`. - _.find = _.detect = function(obj, predicate, context) { - var result; - any(obj, function(value, index, list) { - if (predicate.call(context, value, index, list)) { - result = value; - return true; - } - }); - return result; - }; - - // Return all the elements that pass a truth test. - // Delegates to **ECMAScript 5**'s native `filter` if available. - // Aliased as `select`. - _.filter = _.select = function(obj, predicate, context) { - var results = []; - if (obj == null) return results; - if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context); - each(obj, function(value, index, list) { - if (predicate.call(context, value, index, list)) results.push(value); - }); - return results; - }; - - // Return all the elements for which a truth test fails. - _.reject = function(obj, predicate, context) { - return _.filter(obj, function(value, index, list) { - return !predicate.call(context, value, index, list); - }, context); - }; - - // Determine whether all of the elements match a truth test. - // Delegates to **ECMAScript 5**'s native `every` if available. - // Aliased as `all`. - _.every = _.all = function(obj, predicate, context) { - predicate || (predicate = _.identity); - var result = true; - if (obj == null) return result; - if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context); - each(obj, function(value, index, list) { - if (!(result = result && predicate.call(context, value, index, list))) return breaker; - }); - return !!result; - }; - - // Determine if at least one element in the object matches a truth test. - // Delegates to **ECMAScript 5**'s native `some` if available. - // Aliased as `any`. - var any = _.some = _.any = function(obj, predicate, context) { - predicate || (predicate = _.identity); - var result = false; - if (obj == null) return result; - if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context); - each(obj, function(value, index, list) { - if (result || (result = predicate.call(context, value, index, list))) return breaker; - }); - return !!result; - }; - - // Determine if the array or object contains a given value (using `===`). - // Aliased as `include`. - _.contains = _.include = function(obj, target) { - if (obj == null) return false; - if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1; - return any(obj, function(value) { - return value === target; - }); - }; - - // Invoke a method (with arguments) on every item in a collection. - _.invoke = function(obj, method) { - var args = slice.call(arguments, 2); - var isFunc = _.isFunction(method); - return _.map(obj, function(value) { - return (isFunc ? method : value[method]).apply(value, args); - }); - }; - - // Convenience version of a common use case of `map`: fetching a property. - _.pluck = function(obj, key) { - return _.map(obj, _.property(key)); - }; - - // Convenience version of a common use case of `filter`: selecting only objects - // containing specific `key:value` pairs. - _.where = function(obj, attrs) { - return _.filter(obj, _.matches(attrs)); - }; - - // Convenience version of a common use case of `find`: getting the first object - // containing specific `key:value` pairs. - _.findWhere = function(obj, attrs) { - return _.find(obj, _.matches(attrs)); - }; - - // Return the maximum element or (element-based computation). - // Can't optimize arrays of integers longer than 65,535 elements. - // See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797) - _.max = function(obj, iterator, context) { - if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) { - return Math.max.apply(Math, obj); - } - var result = -Infinity, lastComputed = -Infinity; - each(obj, function(value, index, list) { - var computed = iterator ? iterator.call(context, value, index, list) : value; - if (computed > lastComputed) { - result = value; - lastComputed = computed; - } - }); - return result; - }; - - // Return the minimum element (or element-based computation). - _.min = function(obj, iterator, context) { - if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) { - return Math.min.apply(Math, obj); - } - var result = Infinity, lastComputed = Infinity; - each(obj, function(value, index, list) { - var computed = iterator ? iterator.call(context, value, index, list) : value; - if (computed < lastComputed) { - result = value; - lastComputed = computed; - } - }); - return result; - }; - - // Shuffle an array, using the modern version of the - // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). - _.shuffle = function(obj) { - var rand; - var index = 0; - var shuffled = []; - each(obj, function(value) { - rand = _.random(index++); - shuffled[index - 1] = shuffled[rand]; - shuffled[rand] = value; - }); - return shuffled; - }; - - // Sample **n** random values from a collection. - // If **n** is not specified, returns a single random element. - // The internal `guard` argument allows it to work with `map`. - _.sample = function(obj, n, guard) { - if (n == null || guard) { - if (obj.length !== +obj.length) obj = _.values(obj); - return obj[_.random(obj.length - 1)]; - } - return _.shuffle(obj).slice(0, Math.max(0, n)); - }; - - // An internal function to generate lookup iterators. - var lookupIterator = function(value) { - if (value == null) return _.identity; - if (_.isFunction(value)) return value; - return _.property(value); - }; - - // Sort the object's values by a criterion produced by an iterator. - _.sortBy = function(obj, iterator, context) { - iterator = lookupIterator(iterator); - return _.pluck(_.map(obj, function(value, index, list) { - return { - value: value, - index: index, - criteria: iterator.call(context, value, index, list) - }; - }).sort(function(left, right) { - var a = left.criteria; - var b = right.criteria; - if (a !== b) { - if (a > b || a === void 0) return 1; - if (a < b || b === void 0) return -1; - } - return left.index - right.index; - }), 'value'); - }; - - // An internal function used for aggregate "group by" operations. - var group = function(behavior) { - return function(obj, iterator, context) { - var result = {}; - iterator = lookupIterator(iterator); - each(obj, function(value, index) { - var key = iterator.call(context, value, index, obj); - behavior(result, key, value); - }); - return result; - }; - }; - - // Groups the object's values by a criterion. Pass either a string attribute - // to group by, or a function that returns the criterion. - _.groupBy = group(function(result, key, value) { - _.has(result, key) ? result[key].push(value) : result[key] = [value]; - }); - - // Indexes the object's values by a criterion, similar to `groupBy`, but for - // when you know that your index values will be unique. - _.indexBy = group(function(result, key, value) { - result[key] = value; - }); - - // Counts instances of an object that group by a certain criterion. Pass - // either a string attribute to count by, or a function that returns the - // criterion. - _.countBy = group(function(result, key) { - _.has(result, key) ? result[key]++ : result[key] = 1; - }); - - // Use a comparator function to figure out the smallest index at which - // an object should be inserted so as to maintain order. Uses binary search. - _.sortedIndex = function(array, obj, iterator, context) { - iterator = lookupIterator(iterator); - var value = iterator.call(context, obj); - var low = 0, high = array.length; - while (low < high) { - var mid = (low + high) >>> 1; - iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid; - } - return low; - }; - - // Safely create a real, live array from anything iterable. - _.toArray = function(obj) { - if (!obj) return []; - if (_.isArray(obj)) return slice.call(obj); - if (obj.length === +obj.length) return _.map(obj, _.identity); - return _.values(obj); - }; - - // Return the number of elements in an object. - _.size = function(obj) { - if (obj == null) return 0; - return (obj.length === +obj.length) ? obj.length : _.keys(obj).length; - }; - - // Array Functions - // --------------- - - // Get the first element of an array. Passing **n** will return the first N - // values in the array. Aliased as `head` and `take`. The **guard** check - // allows it to work with `_.map`. - _.first = _.head = _.take = function(array, n, guard) { - if (array == null) return void 0; - if ((n == null) || guard) return array[0]; - if (n < 0) return []; - return slice.call(array, 0, n); - }; - - // Returns everything but the last entry of the array. Especially useful on - // the arguments object. Passing **n** will return all the values in - // the array, excluding the last N. The **guard** check allows it to work with - // `_.map`. - _.initial = function(array, n, guard) { - return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n)); - }; - - // Get the last element of an array. Passing **n** will return the last N - // values in the array. The **guard** check allows it to work with `_.map`. - _.last = function(array, n, guard) { - if (array == null) return void 0; - if ((n == null) || guard) return array[array.length - 1]; - return slice.call(array, Math.max(array.length - n, 0)); - }; - - // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. - // Especially useful on the arguments object. Passing an **n** will return - // the rest N values in the array. The **guard** - // check allows it to work with `_.map`. - _.rest = _.tail = _.drop = function(array, n, guard) { - return slice.call(array, (n == null) || guard ? 1 : n); - }; - - // Trim out all falsy values from an array. - _.compact = function(array) { - return _.filter(array, _.identity); - }; - - // Internal implementation of a recursive `flatten` function. - var flatten = function(input, shallow, output) { - if (shallow && _.every(input, _.isArray)) { - return concat.apply(output, input); - } - each(input, function(value) { - if (_.isArray(value) || _.isArguments(value)) { - shallow ? push.apply(output, value) : flatten(value, shallow, output); - } else { - output.push(value); - } - }); - return output; - }; - - // Flatten out an array, either recursively (by default), or just one level. - _.flatten = function(array, shallow) { - return flatten(array, shallow, []); - }; - - // Return a version of the array that does not contain the specified value(s). - _.without = function(array) { - return _.difference(array, slice.call(arguments, 1)); - }; - - // Split an array into two arrays: one whose elements all satisfy the given - // predicate, and one whose elements all do not satisfy the predicate. - _.partition = function(array, predicate) { - var pass = [], fail = []; - each(array, function(elem) { - (predicate(elem) ? pass : fail).push(elem); - }); - return [pass, fail]; - }; - - // Produce a duplicate-free version of the array. If the array has already - // been sorted, you have the option of using a faster algorithm. - // Aliased as `unique`. - _.uniq = _.unique = function(array, isSorted, iterator, context) { - if (_.isFunction(isSorted)) { - context = iterator; - iterator = isSorted; - isSorted = false; - } - var initial = iterator ? _.map(array, iterator, context) : array; - var results = []; - var seen = []; - each(initial, function(value, index) { - if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) { - seen.push(value); - results.push(array[index]); - } - }); - return results; - }; - - // Produce an array that contains the union: each distinct element from all of - // the passed-in arrays. - _.union = function() { - return _.uniq(_.flatten(arguments, true)); - }; - - // Produce an array that contains every item shared between all the - // passed-in arrays. - _.intersection = function(array) { - var rest = slice.call(arguments, 1); - return _.filter(_.uniq(array), function(item) { - return _.every(rest, function(other) { - return _.contains(other, item); - }); - }); - }; - - // Take the difference between one array and a number of other arrays. - // Only the elements present in just the first array will remain. - _.difference = function(array) { - var rest = concat.apply(ArrayProto, slice.call(arguments, 1)); - return _.filter(array, function(value){ return !_.contains(rest, value); }); - }; - - // Zip together multiple lists into a single array -- elements that share - // an index go together. - _.zip = function() { - var length = _.max(_.pluck(arguments, 'length').concat(0)); - var results = new Array(length); - for (var i = 0; i < length; i++) { - results[i] = _.pluck(arguments, '' + i); - } - return results; - }; - - // Converts lists into objects. Pass either a single array of `[key, value]` - // pairs, or two parallel arrays of the same length -- one of keys, and one of - // the corresponding values. - _.object = function(list, values) { - if (list == null) return {}; - var result = {}; - for (var i = 0, length = list.length; i < length; i++) { - if (values) { - result[list[i]] = values[i]; - } else { - result[list[i][0]] = list[i][1]; - } - } - return result; - }; - - // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**), - // we need this function. Return the position of the first occurrence of an - // item in an array, or -1 if the item is not included in the array. - // Delegates to **ECMAScript 5**'s native `indexOf` if available. - // If the array is large and already in sort order, pass `true` - // for **isSorted** to use binary search. - _.indexOf = function(array, item, isSorted) { - if (array == null) return -1; - var i = 0, length = array.length; - if (isSorted) { - if (typeof isSorted == 'number') { - i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted); - } else { - i = _.sortedIndex(array, item); - return array[i] === item ? i : -1; - } - } - if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted); - for (; i < length; i++) if (array[i] === item) return i; - return -1; - }; - - // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available. - _.lastIndexOf = function(array, item, from) { - if (array == null) return -1; - var hasIndex = from != null; - if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) { - return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item); - } - var i = (hasIndex ? from : array.length); - while (i--) if (array[i] === item) return i; - return -1; - }; - - // Generate an integer Array containing an arithmetic progression. A port of - // the native Python `range()` function. See - // [the Python documentation](http://docs.python.org/library/functions.html#range). - _.range = function(start, stop, step) { - if (arguments.length <= 1) { - stop = start || 0; - start = 0; - } - step = arguments[2] || 1; - - var length = Math.max(Math.ceil((stop - start) / step), 0); - var idx = 0; - var range = new Array(length); - - while(idx < length) { - range[idx++] = start; - start += step; - } - - return range; - }; - - // Function (ahem) Functions - // ------------------ - - // Reusable constructor function for prototype setting. - var ctor = function(){}; - - // Create a function bound to a given object (assigning `this`, and arguments, - // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if - // available. - _.bind = function(func, context) { - var args, bound; - if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); - if (!_.isFunction(func)) throw new TypeError; - args = slice.call(arguments, 2); - return bound = function() { - if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments))); - ctor.prototype = func.prototype; - var self = new ctor; - ctor.prototype = null; - var result = func.apply(self, args.concat(slice.call(arguments))); - if (Object(result) === result) return result; - return self; - }; - }; - - // Partially apply a function by creating a version that has had some of its - // arguments pre-filled, without changing its dynamic `this` context. _ acts - // as a placeholder, allowing any combination of arguments to be pre-filled. - _.partial = function(func) { - var boundArgs = slice.call(arguments, 1); - return function() { - var position = 0; - var args = boundArgs.slice(); - for (var i = 0, length = args.length; i < length; i++) { - if (args[i] === _) args[i] = arguments[position++]; - } - while (position < arguments.length) args.push(arguments[position++]); - return func.apply(this, args); - }; - }; - - // Bind a number of an object's methods to that object. Remaining arguments - // are the method names to be bound. Useful for ensuring that all callbacks - // defined on an object belong to it. - _.bindAll = function(obj) { - var funcs = slice.call(arguments, 1); - if (funcs.length === 0) throw new Error('bindAll must be passed function names'); - each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); }); - return obj; - }; - - // Memoize an expensive function by storing its results. - _.memoize = function(func, hasher) { - var memo = {}; - hasher || (hasher = _.identity); - return function() { - var key = hasher.apply(this, arguments); - return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments)); - }; - }; - - // Delays a function for the given number of milliseconds, and then calls - // it with the arguments supplied. - _.delay = function(func, wait) { - var args = slice.call(arguments, 2); - return setTimeout(function(){ return func.apply(null, args); }, wait); - }; - - // Defers a function, scheduling it to run after the current call stack has - // cleared. - _.defer = function(func) { - return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1))); - }; - - // Returns a function, that, when invoked, will only be triggered at most once - // during a given window of time. Normally, the throttled function will run - // as much as it can, without ever going more than once per `wait` duration; - // but if you'd like to disable the execution on the leading edge, pass - // `{leading: false}`. To disable execution on the trailing edge, ditto. - _.throttle = function(func, wait, options) { - var context, args, result; - var timeout = null; - var previous = 0; - options || (options = {}); - var later = function() { - previous = options.leading === false ? 0 : _.now(); - timeout = null; - result = func.apply(context, args); - context = args = null; - }; - return function() { - var now = _.now(); - if (!previous && options.leading === false) previous = now; - var remaining = wait - (now - previous); - context = this; - args = arguments; - if (remaining <= 0) { - clearTimeout(timeout); - timeout = null; - previous = now; - result = func.apply(context, args); - context = args = null; - } else if (!timeout && options.trailing !== false) { - timeout = setTimeout(later, remaining); - } - return result; - }; - }; - - // Returns a function, that, as long as it continues to be invoked, will not - // be triggered. The function will be called after it stops being called for - // N milliseconds. If `immediate` is passed, trigger the function on the - // leading edge, instead of the trailing. - _.debounce = function(func, wait, immediate) { - var timeout, args, context, timestamp, result; - - var later = function() { - var last = _.now() - timestamp; - if (last < wait) { - timeout = setTimeout(later, wait - last); - } else { - timeout = null; - if (!immediate) { - result = func.apply(context, args); - context = args = null; - } - } - }; - - return function() { - context = this; - args = arguments; - timestamp = _.now(); - var callNow = immediate && !timeout; - if (!timeout) { - timeout = setTimeout(later, wait); - } - if (callNow) { - result = func.apply(context, args); - context = args = null; - } - - return result; - }; - }; - - // Returns a function that will be executed at most one time, no matter how - // often you call it. Useful for lazy initialization. - _.once = function(func) { - var ran = false, memo; - return function() { - if (ran) return memo; - ran = true; - memo = func.apply(this, arguments); - func = null; - return memo; - }; - }; - - // Returns the first function passed as an argument to the second, - // allowing you to adjust arguments, run code before and after, and - // conditionally execute the original function. - _.wrap = function(func, wrapper) { - return _.partial(wrapper, func); - }; - - // Returns a function that is the composition of a list of functions, each - // consuming the return value of the function that follows. - _.compose = function() { - var funcs = arguments; - return function() { - var args = arguments; - for (var i = funcs.length - 1; i >= 0; i--) { - args = [funcs[i].apply(this, args)]; - } - return args[0]; - }; - }; - - // Returns a function that will only be executed after being called N times. - _.after = function(times, func) { - return function() { - if (--times < 1) { - return func.apply(this, arguments); - } - }; - }; - - // Object Functions - // ---------------- - - // Retrieve the names of an object's properties. - // Delegates to **ECMAScript 5**'s native `Object.keys` - _.keys = function(obj) { - if (!_.isObject(obj)) return []; - if (nativeKeys) return nativeKeys(obj); - var keys = []; - for (var key in obj) if (_.has(obj, key)) keys.push(key); - return keys; - }; - - // Retrieve the values of an object's properties. - _.values = function(obj) { - var keys = _.keys(obj); - var length = keys.length; - var values = new Array(length); - for (var i = 0; i < length; i++) { - values[i] = obj[keys[i]]; - } - return values; - }; - - // Convert an object into a list of `[key, value]` pairs. - _.pairs = function(obj) { - var keys = _.keys(obj); - var length = keys.length; - var pairs = new Array(length); - for (var i = 0; i < length; i++) { - pairs[i] = [keys[i], obj[keys[i]]]; - } - return pairs; - }; - - // Invert the keys and values of an object. The values must be serializable. - _.invert = function(obj) { - var result = {}; - var keys = _.keys(obj); - for (var i = 0, length = keys.length; i < length; i++) { - result[obj[keys[i]]] = keys[i]; - } - return result; - }; - - // Return a sorted list of the function names available on the object. - // Aliased as `methods` - _.functions = _.methods = function(obj) { - var names = []; - for (var key in obj) { - if (_.isFunction(obj[key])) names.push(key); - } - return names.sort(); - }; - - // Extend a given object with all the properties in passed-in object(s). - _.extend = function(obj) { - each(slice.call(arguments, 1), function(source) { - if (source) { - for (var prop in source) { - obj[prop] = source[prop]; - } - } - }); - return obj; - }; - - // Return a copy of the object only containing the whitelisted properties. - _.pick = function(obj) { - var copy = {}; - var keys = concat.apply(ArrayProto, slice.call(arguments, 1)); - each(keys, function(key) { - if (key in obj) copy[key] = obj[key]; - }); - return copy; - }; - - // Return a copy of the object without the blacklisted properties. - _.omit = function(obj) { - var copy = {}; - var keys = concat.apply(ArrayProto, slice.call(arguments, 1)); - for (var key in obj) { - if (!_.contains(keys, key)) copy[key] = obj[key]; - } - return copy; - }; - - // Fill in a given object with default properties. - _.defaults = function(obj) { - each(slice.call(arguments, 1), function(source) { - if (source) { - for (var prop in source) { - if (obj[prop] === void 0) obj[prop] = source[prop]; - } - } - }); - return obj; - }; - - // Create a (shallow-cloned) duplicate of an object. - _.clone = function(obj) { - if (!_.isObject(obj)) return obj; - return _.isArray(obj) ? obj.slice() : _.extend({}, obj); - }; - - // Invokes interceptor with the obj, and then returns obj. - // The primary purpose of this method is to "tap into" a method chain, in - // order to perform operations on intermediate results within the chain. - _.tap = function(obj, interceptor) { - interceptor(obj); - return obj; - }; - - // Internal recursive comparison function for `isEqual`. - var eq = function(a, b, aStack, bStack) { - // Identical objects are equal. `0 === -0`, but they aren't identical. - // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal). - if (a === b) return a !== 0 || 1 / a == 1 / b; - // A strict comparison is necessary because `null == undefined`. - if (a == null || b == null) return a === b; - // Unwrap any wrapped objects. - if (a instanceof _) a = a._wrapped; - if (b instanceof _) b = b._wrapped; - // Compare `[[Class]]` names. - var className = toString.call(a); - if (className != toString.call(b)) return false; - switch (className) { - // Strings, numbers, dates, and booleans are compared by value. - case '[object String]': - // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is - // equivalent to `new String("5")`. - return a == String(b); - case '[object Number]': - // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for - // other numeric values. - return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b); - case '[object Date]': - case '[object Boolean]': - // Coerce dates and booleans to numeric primitive values. Dates are compared by their - // millisecond representations. Note that invalid dates with millisecond representations - // of `NaN` are not equivalent. - return +a == +b; - // RegExps are compared by their source patterns and flags. - case '[object RegExp]': - return a.source == b.source && - a.global == b.global && - a.multiline == b.multiline && - a.ignoreCase == b.ignoreCase; - } - if (typeof a != 'object' || typeof b != 'object') return false; - // Assume equality for cyclic structures. The algorithm for detecting cyclic - // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. - var length = aStack.length; - while (length--) { - // Linear search. Performance is inversely proportional to the number of - // unique nested structures. - if (aStack[length] == a) return bStack[length] == b; - } - // Objects with different constructors are not equivalent, but `Object`s - // from different frames are. - var aCtor = a.constructor, bCtor = b.constructor; - if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) && - _.isFunction(bCtor) && (bCtor instanceof bCtor)) - && ('constructor' in a && 'constructor' in b)) { - return false; - } - // Add the first object to the stack of traversed objects. - aStack.push(a); - bStack.push(b); - var size = 0, result = true; - // Recursively compare objects and arrays. - if (className == '[object Array]') { - // Compare array lengths to determine if a deep comparison is necessary. - size = a.length; - result = size == b.length; - if (result) { - // Deep compare the contents, ignoring non-numeric properties. - while (size--) { - if (!(result = eq(a[size], b[size], aStack, bStack))) break; - } - } - } else { - // Deep compare objects. - for (var key in a) { - if (_.has(a, key)) { - // Count the expected number of properties. - size++; - // Deep compare each member. - if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break; - } - } - // Ensure that both objects contain the same number of properties. - if (result) { - for (key in b) { - if (_.has(b, key) && !(size--)) break; - } - result = !size; - } - } - // Remove the first object from the stack of traversed objects. - aStack.pop(); - bStack.pop(); - return result; - }; - - // Perform a deep comparison to check if two objects are equal. - _.isEqual = function(a, b) { - return eq(a, b, [], []); - }; - - // Is a given array, string, or object empty? - // An "empty" object has no enumerable own-properties. - _.isEmpty = function(obj) { - if (obj == null) return true; - if (_.isArray(obj) || _.isString(obj)) return obj.length === 0; - for (var key in obj) if (_.has(obj, key)) return false; - return true; - }; - - // Is a given value a DOM element? - _.isElement = function(obj) { - return !!(obj && obj.nodeType === 1); - }; - - // Is a given value an array? - // Delegates to ECMA5's native Array.isArray - _.isArray = nativeIsArray || function(obj) { - return toString.call(obj) == '[object Array]'; - }; - - // Is a given variable an object? - _.isObject = function(obj) { - return obj === Object(obj); - }; - - // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp. - each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) { - _['is' + name] = function(obj) { - return toString.call(obj) == '[object ' + name + ']'; - }; - }); - - // Define a fallback version of the method in browsers (ahem, IE), where - // there isn't any inspectable "Arguments" type. - if (!_.isArguments(arguments)) { - _.isArguments = function(obj) { - return !!(obj && _.has(obj, 'callee')); - }; - } - - // Optimize `isFunction` if appropriate. - if (typeof (/./) !== 'function') { - _.isFunction = function(obj) { - return typeof obj === 'function'; - }; - } - - // Is a given object a finite number? - _.isFinite = function(obj) { - return isFinite(obj) && !isNaN(parseFloat(obj)); - }; - - // Is the given value `NaN`? (NaN is the only number which does not equal itself). - _.isNaN = function(obj) { - return _.isNumber(obj) && obj != +obj; - }; - - // Is a given value a boolean? - _.isBoolean = function(obj) { - return obj === true || obj === false || toString.call(obj) == '[object Boolean]'; - }; - - // Is a given value equal to null? - _.isNull = function(obj) { - return obj === null; - }; - - // Is a given variable undefined? - _.isUndefined = function(obj) { - return obj === void 0; - }; - - // Shortcut function for checking if an object has a given property directly - // on itself (in other words, not on a prototype). - _.has = function(obj, key) { - return hasOwnProperty.call(obj, key); - }; - - // Utility Functions - // ----------------- - - // Run Underscore.js in *noConflict* mode, returning the `_` variable to its - // previous owner. Returns a reference to the Underscore object. - _.noConflict = function() { - root._ = previousUnderscore; - return this; - }; - - // Keep the identity function around for default iterators. - _.identity = function(value) { - return value; - }; - - _.constant = function(value) { - return function () { - return value; - }; - }; - - _.property = function(key) { - return function(obj) { - return obj[key]; - }; - }; - - // Returns a predicate for checking whether an object has a given set of `key:value` pairs. - _.matches = function(attrs) { - return function(obj) { - if (obj === attrs) return true; //avoid comparing an object to itself. - for (var key in attrs) { - if (attrs[key] !== obj[key]) - return false; - } - return true; - } - }; - - // Run a function **n** times. - _.times = function(n, iterator, context) { - var accum = Array(Math.max(0, n)); - for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i); - return accum; - }; - - // Return a random integer between min and max (inclusive). - _.random = function(min, max) { - if (max == null) { - max = min; - min = 0; - } - return min + Math.floor(Math.random() * (max - min + 1)); - }; - - // A (possibly faster) way to get the current timestamp as an integer. - _.now = Date.now || function() { return new Date().getTime(); }; - - // List of HTML entities for escaping. - var entityMap = { - escape: { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' - } - }; - entityMap.unescape = _.invert(entityMap.escape); - - // Regexes containing the keys and values listed immediately above. - var entityRegexes = { - escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'), - unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g') - }; - - // Functions for escaping and unescaping strings to/from HTML interpolation. - _.each(['escape', 'unescape'], function(method) { - _[method] = function(string) { - if (string == null) return ''; - return ('' + string).replace(entityRegexes[method], function(match) { - return entityMap[method][match]; - }); - }; - }); - - // If the value of the named `property` is a function then invoke it with the - // `object` as context; otherwise, return it. - _.result = function(object, property) { - if (object == null) return void 0; - var value = object[property]; - return _.isFunction(value) ? value.call(object) : value; - }; - - // Add your own custom functions to the Underscore object. - _.mixin = function(obj) { - each(_.functions(obj), function(name) { - var func = _[name] = obj[name]; - _.prototype[name] = function() { - var args = [this._wrapped]; - push.apply(args, arguments); - return result.call(this, func.apply(_, args)); - }; - }); - }; - - // Generate a unique integer id (unique within the entire client session). - // Useful for temporary DOM ids. - var idCounter = 0; - _.uniqueId = function(prefix) { - var id = ++idCounter + ''; - return prefix ? prefix + id : id; - }; - - // By default, Underscore uses ERB-style template delimiters, change the - // following template settings to use alternative delimiters. - _.templateSettings = { - evaluate : /<%([\s\S]+?)%>/g, - interpolate : /<%=([\s\S]+?)%>/g, - escape : /<%-([\s\S]+?)%>/g - }; - - // When customizing `templateSettings`, if you don't want to define an - // interpolation, evaluation or escaping regex, we need one that is - // guaranteed not to match. - var noMatch = /(.)^/; - - // Certain characters need to be escaped so that they can be put into a - // string literal. - var escapes = { - "'": "'", - '\\': '\\', - '\r': 'r', - '\n': 'n', - '\t': 't', - '\u2028': 'u2028', - '\u2029': 'u2029' - }; - - var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g; - - // JavaScript micro-templating, similar to John Resig's implementation. - // Underscore templating handles arbitrary delimiters, preserves whitespace, - // and correctly escapes quotes within interpolated code. - _.template = function(text, data, settings) { - var render; - settings = _.defaults({}, settings, _.templateSettings); - - // Combine delimiters into one regular expression via alternation. - var matcher = new RegExp([ - (settings.escape || noMatch).source, - (settings.interpolate || noMatch).source, - (settings.evaluate || noMatch).source - ].join('|') + '|$', 'g'); - - // Compile the template source, escaping string literals appropriately. - var index = 0; - var source = "__p+='"; - text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { - source += text.slice(index, offset) - .replace(escaper, function(match) { return '\\' + escapes[match]; }); - - if (escape) { - source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; - } - if (interpolate) { - source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; - } - if (evaluate) { - source += "';\n" + evaluate + "\n__p+='"; - } - index = offset + match.length; - return match; - }); - source += "';\n"; - - // If a variable is not specified, place data values in local scope. - if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; - - source = "var __t,__p='',__j=Array.prototype.join," + - "print=function(){__p+=__j.call(arguments,'');};\n" + - source + "return __p;\n"; - - try { - render = new Function(settings.variable || 'obj', '_', source); - } catch (e) { - e.source = source; - throw e; - } - - if (data) return render(data, _); - var template = function(data) { - return render.call(this, data, _); - }; - - // Provide the compiled function source as a convenience for precompilation. - template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}'; - - return template; - }; - - // Add a "chain" function, which will delegate to the wrapper. - _.chain = function(obj) { - return _(obj).chain(); - }; - - // OOP - // --------------- - // If Underscore is called as a function, it returns a wrapped object that - // can be used OO-style. This wrapper holds altered versions of all the - // underscore functions. Wrapped objects may be chained. - - // Helper function to continue chaining intermediate results. - var result = function(obj) { - return this._chain ? _(obj).chain() : obj; - }; - - // Add all of the Underscore functions to the wrapper object. - _.mixin(_); - - // Add all mutator Array functions to the wrapper. - each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { - var method = ArrayProto[name]; - _.prototype[name] = function() { - var obj = this._wrapped; - method.apply(obj, arguments); - if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0]; - return result.call(this, obj); - }; - }); - - // Add all accessor Array functions to the wrapper. - each(['concat', 'join', 'slice'], function(name) { - var method = ArrayProto[name]; - _.prototype[name] = function() { - return result.call(this, method.apply(this._wrapped, arguments)); - }; - }); - - _.extend(_.prototype, { - - // Start chaining a wrapped Underscore object. - chain: function() { - this._chain = true; - return this; - }, - - // Extracts the result from a wrapped and chained object. - value: function() { - return this._wrapped; - } - - }); - - // AMD registration happens at the end for compatibility with AMD loaders - // that may not enforce next-turn semantics on modules. Even though general - // practice for AMD registration is to be anonymous, underscore registers - // as a named module because, like jQuery, it is a base library that is - // popular enough to be bundled in a third party lib, but not be part of - // an AMD load request. Those cases could generate an error when an - // anonymous define() is called outside of a loader request. - if (typeof define === 'function' && define.amd) { - define('underscore', [], function() { - return _; - }); - } -}).call(this); - -},{}],18:[function(require,module,exports){ -/*! Hammer.JS - v1.0.7dev - 2014-02-18 - * http://eightmedia.github.com/hammer.js - * - * Copyright (c) 2014 Jorik Tangelder ; - * Licensed under the MIT license */ - -(function(window, undefined) { - 'use strict'; - -/** - * Hammer - * use this to create instances - * @param {HTMLElement} element - * @param {Object} options - * @returns {Hammer.Instance} - * @constructor - */ -var Hammer = function(element, options) { - return new Hammer.Instance(element, options || {}); -}; - -// default settings -Hammer.defaults = { - // add styles and attributes to the element to prevent the browser from doing - // its native behavior. this doesnt prevent the scrolling, but cancels - // the contextmenu, tap highlighting etc - // set to false to disable this - stop_browser_behavior: { - // this also triggers onselectstart=false for IE - userSelect : 'none', - // this makes the element blocking in IE10 >, you could experiment with the value - // see for more options this issue; https://github.com/EightMedia/hammer.js/issues/241 - touchAction : 'none', - touchCallout : 'none', - contentZooming : 'none', - userDrag : 'none', - tapHighlightColor: 'rgba(0,0,0,0)' - } - - // - // more settings are defined per gesture at gestures.js - // -}; - -// detect touchevents -Hammer.HAS_POINTEREVENTS = window.navigator.pointerEnabled || window.navigator.msPointerEnabled; -Hammer.HAS_TOUCHEVENTS = ('ontouchstart' in window); - -// dont use mouseevents on mobile devices -Hammer.MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android|silk/i; -Hammer.NO_MOUSEEVENTS = Hammer.HAS_TOUCHEVENTS && window.navigator.userAgent.match(Hammer.MOBILE_REGEX); - -// eventtypes per touchevent (start, move, end) -// are filled by Hammer.event.determineEventTypes on setup -Hammer.EVENT_TYPES = {}; - -// direction defines -Hammer.DIRECTION_DOWN = 'down'; -Hammer.DIRECTION_LEFT = 'left'; -Hammer.DIRECTION_UP = 'up'; -Hammer.DIRECTION_RIGHT = 'right'; - -// pointer type -Hammer.POINTER_MOUSE = 'mouse'; -Hammer.POINTER_TOUCH = 'touch'; -Hammer.POINTER_PEN = 'pen'; - -// interval in which Hammer recalculates current velocity in ms -Hammer.UPDATE_VELOCITY_INTERVAL = 20; - -// touch event defines -Hammer.EVENT_START = 'start'; -Hammer.EVENT_MOVE = 'move'; -Hammer.EVENT_END = 'end'; - -// hammer document where the base events are added at -Hammer.DOCUMENT = window.document; - -// plugins and gestures namespaces -Hammer.plugins = Hammer.plugins || {}; -Hammer.gestures = Hammer.gestures || {}; - - -// if the window events are set... -Hammer.READY = false; - -/** - * setup events to detect gestures on the document - */ -function setup() { - if(Hammer.READY) { - return; - } - - // find what eventtypes we add listeners to - Hammer.event.determineEventTypes(); - - // Register all gestures inside Hammer.gestures - Hammer.utils.each(Hammer.gestures, function(gesture){ - Hammer.detection.register(gesture); - }); - - // Add touch events on the document - Hammer.event.onTouch(Hammer.DOCUMENT, Hammer.EVENT_MOVE, Hammer.detection.detect); - Hammer.event.onTouch(Hammer.DOCUMENT, Hammer.EVENT_END, Hammer.detection.detect); - - // Hammer is ready...! - Hammer.READY = true; -} - -Hammer.utils = { - /** - * extend method, - * also used for cloning when dest is an empty object - * @param {Object} dest - * @param {Object} src - * @parm {Boolean} merge do a merge - * @returns {Object} dest - */ - extend: function extend(dest, src, merge) { - for(var key in src) { - if(dest[key] !== undefined && merge) { - continue; - } - dest[key] = src[key]; - } - return dest; - }, - - - /** - * for each - * @param obj - * @param iterator - */ - each: function(obj, iterator, context) { - var i, length; - // native forEach on arrays - if ('forEach' in obj) { - obj.forEach(iterator, context); - } - // arrays - else if(obj.length !== undefined) { - for (i = 0, length = obj.length; i < length; i++) { - if (iterator.call(context, obj[i], i, obj) === false) { - return; - } - } - } - // objects - else { - for (i in obj) { - if (obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj) === false) { - return; - } - } - } - }, - - /** - * find if a node is in the given parent - * used for event delegation tricks - * @param {HTMLElement} node - * @param {HTMLElement} parent - * @returns {boolean} has_parent - */ - hasParent: function(node, parent) { - while(node) { - if(node == parent) { - return true; - } - node = node.parentNode; - } - return false; - }, - - - /** - * get the center of all the touches - * @param {Array} touches - * @returns {Object} center - */ - getCenter: function getCenter(touches) { - var valuesX = [], valuesY = []; - - Hammer.utils.each(touches, function(touch) { - // I prefer clientX because it ignore the scrolling position - valuesX.push(typeof touch.clientX !== 'undefined' ? touch.clientX : touch.pageX ); - valuesY.push(typeof touch.clientY !== 'undefined' ? touch.clientY : touch.pageY ); - }); - - return { - pageX: ((Math.min.apply(Math, valuesX) + Math.max.apply(Math, valuesX)) / 2), - pageY: ((Math.min.apply(Math, valuesY) + Math.max.apply(Math, valuesY)) / 2) - }; - }, - - - /** - * calculate the velocity between two points - * @param {Number} delta_time - * @param {Number} delta_x - * @param {Number} delta_y - * @returns {Object} velocity - */ - getVelocity: function getVelocity(delta_time, delta_x, delta_y) { - return { - x: Math.abs(delta_x / delta_time) || 0, - y: Math.abs(delta_y / delta_time) || 0 - }; - }, - - - /** - * calculate the angle between two coordinates - * @param {Touch} touch1 - * @param {Touch} touch2 - * @returns {Number} angle - */ - getAngle: function getAngle(touch1, touch2) { - var y = touch2.pageY - touch1.pageY, - x = touch2.pageX - touch1.pageX; - return Math.atan2(y, x) * 180 / Math.PI; - }, - - - /** - * angle to direction define - * @param {Touch} touch1 - * @param {Touch} touch2 - * @returns {String} direction constant, like Hammer.DIRECTION_LEFT - */ - getDirection: function getDirection(touch1, touch2) { - var x = Math.abs(touch1.pageX - touch2.pageX), - y = Math.abs(touch1.pageY - touch2.pageY); - - if(x >= y) { - return touch1.pageX - touch2.pageX > 0 ? Hammer.DIRECTION_LEFT : Hammer.DIRECTION_RIGHT; - } - else { - return touch1.pageY - touch2.pageY > 0 ? Hammer.DIRECTION_UP : Hammer.DIRECTION_DOWN; - } - }, - - - /** - * calculate the distance between two touches - * @param {Touch} touch1 - * @param {Touch} touch2 - * @returns {Number} distance - */ - getDistance: function getDistance(touch1, touch2) { - var x = touch2.pageX - touch1.pageX, - y = touch2.pageY - touch1.pageY; - return Math.sqrt((x * x) + (y * y)); - }, - - - /** - * calculate the scale factor between two touchLists (fingers) - * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out - * @param {Array} start - * @param {Array} end - * @returns {Number} scale - */ - getScale: function getScale(start, end) { - // need two fingers... - if(start.length >= 2 && end.length >= 2) { - return this.getDistance(end[0], end[1]) / - this.getDistance(start[0], start[1]); - } - return 1; - }, - - - /** - * calculate the rotation degrees between two touchLists (fingers) - * @param {Array} start - * @param {Array} end - * @returns {Number} rotation - */ - getRotation: function getRotation(start, end) { - // need two fingers - if(start.length >= 2 && end.length >= 2) { - return this.getAngle(end[1], end[0]) - - this.getAngle(start[1], start[0]); - } - return 0; - }, - - - /** - * boolean if the direction is vertical - * @param {String} direction - * @returns {Boolean} is_vertical - */ - isVertical: function isVertical(direction) { - return (direction == Hammer.DIRECTION_UP || direction == Hammer.DIRECTION_DOWN); - }, - - - /** - * stop browser default behavior with css props - * @param {HtmlElement} element - * @param {Object} css_props - */ - stopDefaultBrowserBehavior: function stopDefaultBrowserBehavior(element, css_props) { - if(!css_props || !element || !element.style) { - return; - } - - // with css properties for modern browsers - Hammer.utils.each(['webkit', 'khtml', 'moz', 'Moz', 'ms', 'o', ''], function(vendor) { - Hammer.utils.each(css_props, function(value, prop) { - // vender prefix at the property - if(vendor) { - prop = vendor + prop.substring(0, 1).toUpperCase() + prop.substring(1); - } - // set the style - if(prop in element.style) { - element.style[prop] = value; - } - }); - }); - - // also the disable onselectstart - if(css_props.userSelect == 'none') { - element.onselectstart = function() { - return false; - }; - } - - // and disable ondragstart - if(css_props.userDrag == 'none') { - element.ondragstart = function() { - return false; - }; - } - }, - - - /** - * reverts all changes made by 'stopDefaultBrowserBehavior' - * @param {HtmlElement} element - * @param {Object} css_props - */ - startDefaultBrowserBehavior: function startDefaultBrowserBehavior(element, css_props) { - if(!css_props || !element || !element.style) { - return; - } - - // with css properties for modern browsers - Hammer.utils.each(['webkit', 'khtml', 'moz', 'Moz', 'ms', 'o', ''], function(vendor) { - Hammer.utils.each(css_props, function(value, prop) { - // vender prefix at the property - if(vendor) { - prop = vendor + prop.substring(0, 1).toUpperCase() + prop.substring(1); - } - // reset the style - if(prop in element.style) { - element.style[prop] = ''; - } - }); - }); - - // also the enable onselectstart - if(css_props.userSelect == 'none') { - element.onselectstart = null; - } - - // and enable ondragstart - if(css_props.userDrag == 'none') { - element.ondragstart = null; - } - } -}; - - -/** - * create new hammer instance - * all methods should return the instance itself, so it is chainable. - * @param {HTMLElement} element - * @param {Object} [options={}] - * @returns {Hammer.Instance} - * @constructor - */ -Hammer.Instance = function(element, options) { - var self = this; - - // setup HammerJS window events and register all gestures - // this also sets up the default options - setup(); - - this.element = element; - - // start/stop detection option - this.enabled = true; - - // merge options - this.options = Hammer.utils.extend( - Hammer.utils.extend({}, Hammer.defaults), - options || {}); - - // add some css to the element to prevent the browser from doing its native behavoir - if(this.options.stop_browser_behavior) { - Hammer.utils.stopDefaultBrowserBehavior(this.element, this.options.stop_browser_behavior); - } - - // start detection on touchstart - this._eventStartHandler = Hammer.event.onTouch(element, Hammer.EVENT_START, function(ev) { - if(self.enabled) { - Hammer.detection.startDetect(self, ev); - } - }); - - // keep a list of user event handlers which needs to be removed when calling 'dispose' - this._eventHandler = []; - - // return instance - return this; -}; - - -Hammer.Instance.prototype = { - /** - * bind events to the instance - * @param {String} gesture - * @param {Function} handler - * @returns {Hammer.Instance} - */ - on: function onEvent(gesture, handler) { - var gestures = gesture.split(' '); - Hammer.utils.each(gestures, function(gesture) { - this.element.addEventListener(gesture, handler, false); - this._eventHandler.push({ gesture: gesture, handler: handler }); - }, this); - return this; - }, - - - /** - * unbind events to the instance - * @param {String} gesture - * @param {Function} handler - * @returns {Hammer.Instance} - */ - off: function offEvent(gesture, handler) { - var gestures = gesture.split(' '); - Hammer.utils.each(gestures, function(gesture) { - this.element.removeEventListener(gesture, handler, false); - - // remove the event handler from the internal list - var index = -1; - Hammer.utils.each(this._eventHandler, function(eventHandler, i) { - if (index === -1 && eventHandler.gesture === gesture && eventHandler.handler === handler) { - index = i; - } - }, this); - - if (index > -1) { - this._eventHandler.splice(index, 1); - } - }, this); - return this; - }, - - - /** - * trigger gesture event - * @param {String} gesture - * @param {Object} [eventData] - * @returns {Hammer.Instance} - */ - trigger: function triggerEvent(gesture, eventData) { - // optional - if(!eventData) { - eventData = {}; - } - - // create DOM event - var event = Hammer.DOCUMENT.createEvent('Event'); - event.initEvent(gesture, true, true); - event.gesture = eventData; - - // trigger on the target if it is in the instance element, - // this is for event delegation tricks - var element = this.element; - if(Hammer.utils.hasParent(eventData.target, element)) { - element = eventData.target; - } - - element.dispatchEvent(event); - return this; - }, - - - /** - * enable of disable hammer.js detection - * @param {Boolean} state - * @returns {Hammer.Instance} - */ - enable: function enable(state) { - this.enabled = state; - return this; - }, - - - /** - * dispose this hammer instance - * @returns {Hammer.Instance} - */ - dispose: function dispose() { - - // undo all changes made by stop_browser_behavior - if(this.options.stop_browser_behavior) { - Hammer.utils.startDefaultBrowserBehavior(this.element, this.options.stop_browser_behavior); - } - - // unbind all custom event handlers - Hammer.utils.each(this._eventHandler, function(eventHandler) { - this.element.removeEventListener(eventHandler.gesture, eventHandler.handler, false); - }, this); - this._eventHandler.length = 0; - - // unbind the start event listener - Hammer.event.unbindDom(this.element, Hammer.EVENT_TYPES[Hammer.EVENT_START], this._eventStartHandler); - return this; - } -}; - - -/** - * this holds the last move event, - * used to fix empty touchend issue - * see the onTouch event for an explanation - * @type {Object} - */ -var last_move_event = null; - - -/** - * when the mouse is hold down, this is true - * @type {Boolean} - */ -var enable_detect = false; - - -/** - * when touch events have been fired, this is true - * @type {Boolean} - */ -var touch_triggered = false; - - -Hammer.event = { - /** - * simple addEventListener - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - */ - bindDom: function(element, type, handler) { - var types = type.split(' '); - Hammer.utils.each(types, function(type){ - element.addEventListener(type, handler, false); - }); - }, - - - /** - * simple removeEventListener - * @param {HTMLElement} element - * @param {String} type - * @param {Function} handler - */ - unbindDom: function(element, type, handler) { - var types = type.split(' '); - Hammer.utils.each(types, function(type){ - element.removeEventListener(type, handler, false); - }); - }, - - - /** - * touch events with mouse fallback - * @param {HTMLElement} element - * @param {String} eventType like Hammer.EVENT_MOVE - * @param {Function} handler - */ - onTouch: function onTouch(element, eventType, handler) { - var self = this; - - var fn = function bindDomOnTouch(ev) { - var sourceEventType = ev.type.toLowerCase(); - - // onmouseup, but when touchend has been fired we do nothing. - // this is for touchdevices which also fire a mouseup on touchend - if(sourceEventType.match(/mouse/) && touch_triggered) { - return; - } - - // mousebutton must be down or a touch event - else if(sourceEventType.match(/touch/) || // touch events are always on screen - sourceEventType.match(/pointerdown/) || // pointerevents touch - (sourceEventType.match(/mouse/) && ev.which === 1) // mouse is pressed - ) { - enable_detect = true; - } - - // mouse isn't pressed - else if(sourceEventType.match(/mouse/) && !ev.which) { - enable_detect = false; - } - - - // we are in a touch event, set the touch triggered bool to true, - // this for the conflicts that may occur on ios and android - if(sourceEventType.match(/touch|pointer/)) { - touch_triggered = true; - } - - // count the total touches on the screen - var count_touches = 0; - - // when touch has been triggered in this detection session - // and we are now handling a mouse event, we stop that to prevent conflicts - if(enable_detect) { - // update pointerevent - if(Hammer.HAS_POINTEREVENTS && eventType != Hammer.EVENT_END) { - count_touches = Hammer.PointerEvent.updatePointer(eventType, ev); - } - // touch - else if(sourceEventType.match(/touch/)) { - count_touches = ev.touches.length; - } - // mouse - else if(!touch_triggered) { - count_touches = sourceEventType.match(/up/) ? 0 : 1; - } - - // if we are in a end event, but when we remove one touch and - // we still have enough, set eventType to move - if(count_touches > 0 && eventType == Hammer.EVENT_END) { - eventType = Hammer.EVENT_MOVE; - } - // no touches, force the end event - else if(!count_touches) { - eventType = Hammer.EVENT_END; - } - - // store the last move event - if(count_touches || last_move_event === null) { - last_move_event = ev; - } - - // trigger the handler - handler.call(Hammer.detection, self.collectEventData(element, eventType, self.getTouchList(last_move_event, eventType), ev)); - - // remove pointerevent from list - if(Hammer.HAS_POINTEREVENTS && eventType == Hammer.EVENT_END) { - count_touches = Hammer.PointerEvent.updatePointer(eventType, ev); - } - } - - // on the end we reset everything - if(!count_touches) { - last_move_event = null; - enable_detect = false; - touch_triggered = false; - Hammer.PointerEvent.reset(); - } - }; - - this.bindDom(element, Hammer.EVENT_TYPES[eventType], fn); - - // return the bound function to be able to unbind it later - return fn; - }, - - - /** - * we have different events for each device/browser - * determine what we need and set them in the Hammer.EVENT_TYPES constant - */ - determineEventTypes: function determineEventTypes() { - // determine the eventtype we want to set - var types; - - // pointerEvents magic - if(Hammer.HAS_POINTEREVENTS) { - types = Hammer.PointerEvent.getEvents(); - } - // on Android, iOS, blackberry, windows mobile we dont want any mouseevents - else if(Hammer.NO_MOUSEEVENTS) { - types = [ - 'touchstart', - 'touchmove', - 'touchend touchcancel']; - } - // for non pointer events browsers and mixed browsers, - // like chrome on windows8 touch laptop - else { - types = [ - 'touchstart mousedown', - 'touchmove mousemove', - 'touchend touchcancel mouseup']; - } - - Hammer.EVENT_TYPES[Hammer.EVENT_START] = types[0]; - Hammer.EVENT_TYPES[Hammer.EVENT_MOVE] = types[1]; - Hammer.EVENT_TYPES[Hammer.EVENT_END] = types[2]; - }, - - - /** - * create touchlist depending on the event - * @param {Object} ev - * @param {String} eventType used by the fakemultitouch plugin - */ - getTouchList: function getTouchList(ev/*, eventType*/) { - // get the fake pointerEvent touchlist - if(Hammer.HAS_POINTEREVENTS) { - return Hammer.PointerEvent.getTouchList(); - } - // get the touchlist - else if(ev.touches) { - return ev.touches; - } - // make fake touchlist from mouse position - else { - ev.identifier = 1; - return [ev]; - } - }, - - - /** - * collect event data for Hammer js - * @param {HTMLElement} element - * @param {String} eventType like Hammer.EVENT_MOVE - * @param {Object} eventData - */ - collectEventData: function collectEventData(element, eventType, touches, ev) { - // find out pointerType - var pointerType = Hammer.POINTER_TOUCH; - if(ev.type.match(/mouse/) || Hammer.PointerEvent.matchType(Hammer.POINTER_MOUSE, ev)) { - pointerType = Hammer.POINTER_MOUSE; - } - - return { - center : Hammer.utils.getCenter(touches), - timeStamp : new Date().getTime(), - target : ev.target, - touches : touches, - eventType : eventType, - pointerType: pointerType, - srcEvent : ev, - - /** - * prevent the browser default actions - * mostly used to disable scrolling of the browser - */ - preventDefault: function() { - if(this.srcEvent.preventManipulation) { - this.srcEvent.preventManipulation(); - } - - if(this.srcEvent.preventDefault) { - this.srcEvent.preventDefault(); - } - }, - - /** - * stop bubbling the event up to its parents - */ - stopPropagation: function() { - this.srcEvent.stopPropagation(); - }, - - /** - * immediately stop gesture detection - * might be useful after a swipe was detected - * @return {*} - */ - stopDetect: function() { - return Hammer.detection.stopDetect(); - } - }; - } -}; - -Hammer.PointerEvent = { - /** - * holds all pointers - * @type {Object} - */ - pointers: {}, - - /** - * get a list of pointers - * @returns {Array} touchlist - */ - getTouchList: function() { - var self = this; - var touchlist = []; - - // we can use forEach since pointerEvents only is in IE10 - Hammer.utils.each(self.pointers, function(pointer){ - touchlist.push(pointer); - }); - - return touchlist; - }, - - /** - * update the position of a pointer - * @param {String} type Hammer.EVENT_END - * @param {Object} pointerEvent - */ - updatePointer: function(type, pointerEvent) { - if(type == Hammer.EVENT_END) { - delete this.pointers[pointerEvent.pointerId]; - } - else { - pointerEvent.identifier = pointerEvent.pointerId; - this.pointers[pointerEvent.pointerId] = pointerEvent; - } - - return Object.keys(this.pointers).length; - }, - - /** - * check if ev matches pointertype - * @param {String} pointerType Hammer.POINTER_MOUSE - * @param {PointerEvent} ev - */ - matchType: function(pointerType, ev) { - if(!ev.pointerType) { - return false; - } - - var pt = ev.pointerType, - types = {}; - types[Hammer.POINTER_MOUSE] = (pt === ev.MSPOINTER_TYPE_MOUSE || pt === Hammer.POINTER_MOUSE); - types[Hammer.POINTER_TOUCH] = (pt === ev.MSPOINTER_TYPE_TOUCH || pt === Hammer.POINTER_TOUCH); - types[Hammer.POINTER_PEN] = (pt === ev.MSPOINTER_TYPE_PEN || pt === Hammer.POINTER_PEN); - return types[pointerType]; - }, - - - /** - * get events - */ - getEvents: function() { - return [ - 'pointerdown MSPointerDown', - 'pointermove MSPointerMove', - 'pointerup pointercancel MSPointerUp MSPointerCancel' - ]; - }, - - /** - * reset the list - */ - reset: function() { - this.pointers = {}; - } -}; - - -Hammer.detection = { - // contains all registred Hammer.gestures in the correct order - gestures: [], - - // data of the current Hammer.gesture detection session - current : null, - - // the previous Hammer.gesture session data - // is a full clone of the previous gesture.current object - previous: null, - - // when this becomes true, no gestures are fired - stopped : false, - - - /** - * start Hammer.gesture detection - * @param {Hammer.Instance} inst - * @param {Object} eventData - */ - startDetect: function startDetect(inst, eventData) { - // already busy with a Hammer.gesture detection on an element - if(this.current) { - return; - } - - this.stopped = false; - - this.current = { - inst : inst, // reference to HammerInstance we're working for - startEvent: Hammer.utils.extend({}, eventData), // start eventData for distances, timing etc - lastEvent : false, // last eventData - lastVEvent: false, // last eventData for velocity. - velocity : false, // current velocity - name : '' // current gesture we're in/detected, can be 'tap', 'hold' etc - }; - - this.detect(eventData); - }, - - - /** - * Hammer.gesture detection - * @param {Object} eventData - */ - detect: function detect(eventData) { - if(!this.current || this.stopped) { - return; - } - - // extend event data with calculations about scale, distance etc - eventData = this.extendEventData(eventData); - - // instance options - var inst_options = this.current.inst.options; - - // call Hammer.gesture handlers - Hammer.utils.each(this.gestures, function(gesture) { - // only when the instance options have enabled this gesture - if(!this.stopped && inst_options[gesture.name] !== false) { - // if a handler returns false, we stop with the detection - if(gesture.handler.call(gesture, eventData, this.current.inst) === false) { - this.stopDetect(); - return false; - } - } - }, this); - - // store as previous event event - if(this.current) { - this.current.lastEvent = eventData; - } - - // endevent, but not the last touch, so dont stop - if(eventData.eventType == Hammer.EVENT_END && !eventData.touches.length - 1) { - this.stopDetect(); - } - - return eventData; - }, - - - /** - * clear the Hammer.gesture vars - * this is called on endDetect, but can also be used when a final Hammer.gesture has been detected - * to stop other Hammer.gestures from being fired - */ - stopDetect: function stopDetect() { - // clone current data to the store as the previous gesture - // used for the double tap gesture, since this is an other gesture detect session - this.previous = Hammer.utils.extend({}, this.current); - - // reset the current - this.current = null; - - // stopped! - this.stopped = true; - }, - - - /** - * extend eventData for Hammer.gestures - * @param {Object} ev - * @returns {Object} ev - */ - extendEventData: function extendEventData(ev) { - var startEv = this.current.startEvent, - lastVEv = this.current.lastVEvent; - - // if the touches change, set the new touches over the startEvent touches - // this because touchevents don't have all the touches on touchstart, or the - // user must place his fingers at the EXACT same time on the screen, which is not realistic - // but, sometimes it happens that both fingers are touching at the EXACT same time - if(startEv && (ev.touches.length != startEv.touches.length || ev.touches === startEv.touches)) { - // extend 1 level deep to get the touchlist with the touch objects - startEv.touches = []; - Hammer.utils.each(ev.touches, function(touch) { - startEv.touches.push(Hammer.utils.extend({}, touch)); - }); - } - - var delta_time = ev.timeStamp - startEv.timeStamp - , delta_x = ev.center.pageX - startEv.center.pageX - , delta_y = ev.center.pageY - startEv.center.pageY - , interimAngle - , interimDirection - , velocity = this.current.velocity; - - if (lastVEv !== false && ev.timeStamp - lastVEv.timeStamp > Hammer.UPDATE_VELOCITY_INTERVAL) { - - velocity = Hammer.utils.getVelocity(ev.timeStamp - lastVEv.timeStamp, ev.center.pageX - lastVEv.center.pageX, ev.center.pageY - lastVEv.center.pageY); - this.current.lastVEvent = ev; - - if (velocity.x > 0 && velocity.y > 0) { - this.current.velocity = velocity; - } - - } else if(this.current.velocity === false) { - velocity = Hammer.utils.getVelocity(delta_time, delta_x, delta_y); - this.current.velocity = velocity; - this.current.lastVEvent = ev; - } - - // end events (e.g. dragend) don't have useful values for interimDirection & interimAngle - // because the previous event has exactly the same coordinates - // so for end events, take the previous values of interimDirection & interimAngle - // instead of recalculating them and getting a spurious '0' - if(ev.eventType === 'end') { - interimAngle = this.current.lastEvent && this.current.lastEvent.interimAngle; - interimDirection = this.current.lastEvent && this.current.lastEvent.interimDirection; - } - else { - interimAngle = this.current.lastEvent && Hammer.utils.getAngle(this.current.lastEvent.center, ev.center); - interimDirection = this.current.lastEvent && Hammer.utils.getDirection(this.current.lastEvent.center, ev.center); - } - - Hammer.utils.extend(ev, { - deltaTime: delta_time, - - deltaX: delta_x, - deltaY: delta_y, - - velocityX: velocity.x, - velocityY: velocity.y, - - distance: Hammer.utils.getDistance(startEv.center, ev.center), - - angle: Hammer.utils.getAngle(startEv.center, ev.center), - interimAngle: interimAngle, - - direction: Hammer.utils.getDirection(startEv.center, ev.center), - interimDirection: interimDirection, - - scale: Hammer.utils.getScale(startEv.touches, ev.touches), - rotation: Hammer.utils.getRotation(startEv.touches, ev.touches), - - startEvent: startEv - }); - - return ev; - }, - - - /** - * register new gesture - * @param {Object} gesture object, see gestures.js for documentation - * @returns {Array} gestures - */ - register: function register(gesture) { - // add an enable gesture options if there is no given - var options = gesture.defaults || {}; - if(options[gesture.name] === undefined) { - options[gesture.name] = true; - } - - // extend Hammer default options with the Hammer.gesture options - Hammer.utils.extend(Hammer.defaults, options, true); - - // set its index - gesture.index = gesture.index || 1000; - - // add Hammer.gesture to the list - this.gestures.push(gesture); - - // sort the list by index - this.gestures.sort(function(a, b) { - if(a.index < b.index) { return -1; } - if(a.index > b.index) { return 1; } - return 0; - }); - - return this.gestures; - } -}; - - -/** - * Drag - * Move with x fingers (default 1) around on the page. Blocking the scrolling when - * moving left and right is a good practice. When all the drag events are blocking - * you disable scrolling on that area. - * @events drag, drapleft, dragright, dragup, dragdown - */ -Hammer.gestures.Drag = { - name : 'drag', - index : 50, - defaults : { - drag_min_distance : 10, - - // Set correct_for_drag_min_distance to true to make the starting point of the drag - // be calculated from where the drag was triggered, not from where the touch started. - // Useful to avoid a jerk-starting drag, which can make fine-adjustments - // through dragging difficult, and be visually unappealing. - correct_for_drag_min_distance: true, - - // set 0 for unlimited, but this can conflict with transform - drag_max_touches : 1, - - // prevent default browser behavior when dragging occurs - // be careful with it, it makes the element a blocking element - // when you are using the drag gesture, it is a good practice to set this true - drag_block_horizontal : false, - drag_block_vertical : false, - - // drag_lock_to_axis keeps the drag gesture on the axis that it started on, - // It disallows vertical directions if the initial direction was horizontal, and vice versa. - drag_lock_to_axis : false, - - // drag lock only kicks in when distance > drag_lock_min_distance - // This way, locking occurs only when the distance has become large enough to reliably determine the direction - drag_lock_min_distance : 25 - }, - - triggered: false, - handler : function dragGesture(ev, inst) { - // current gesture isnt drag, but dragged is true - // this means an other gesture is busy. now call dragend - if(Hammer.detection.current.name != this.name && this.triggered) { - inst.trigger(this.name + 'end', ev); - this.triggered = false; - return; - } - - // max touches - if(inst.options.drag_max_touches > 0 && - ev.touches.length > inst.options.drag_max_touches) { - return; - } - - switch(ev.eventType) { - case Hammer.EVENT_START: - this.triggered = false; - break; - - case Hammer.EVENT_MOVE: - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(ev.distance < inst.options.drag_min_distance && - Hammer.detection.current.name != this.name) { - return; - } - - // we are dragging! - if(Hammer.detection.current.name != this.name) { - Hammer.detection.current.name = this.name; - if(inst.options.correct_for_drag_min_distance && ev.distance > 0) { - // When a drag is triggered, set the event center to drag_min_distance pixels from the original event center. - // Without this correction, the dragged distance would jumpstart at drag_min_distance pixels instead of at 0. - // It might be useful to save the original start point somewhere - var factor = Math.abs(inst.options.drag_min_distance / ev.distance); - Hammer.detection.current.startEvent.center.pageX += ev.deltaX * factor; - Hammer.detection.current.startEvent.center.pageY += ev.deltaY * factor; - - // recalculate event data using new start point - ev = Hammer.detection.extendEventData(ev); - } - } - - // lock drag to axis? - if(Hammer.detection.current.lastEvent.drag_locked_to_axis || (inst.options.drag_lock_to_axis && inst.options.drag_lock_min_distance <= ev.distance)) { - ev.drag_locked_to_axis = true; - } - var last_direction = Hammer.detection.current.lastEvent.direction; - if(ev.drag_locked_to_axis && last_direction !== ev.direction) { - // keep direction on the axis that the drag gesture started on - if(Hammer.utils.isVertical(last_direction)) { - ev.direction = (ev.deltaY < 0) ? Hammer.DIRECTION_UP : Hammer.DIRECTION_DOWN; - } - else { - ev.direction = (ev.deltaX < 0) ? Hammer.DIRECTION_LEFT : Hammer.DIRECTION_RIGHT; - } - } - - // first time, trigger dragstart event - if(!this.triggered) { - inst.trigger(this.name + 'start', ev); - this.triggered = true; - } - - // trigger normal event - inst.trigger(this.name, ev); - - // direction event, like dragdown - inst.trigger(this.name + ev.direction, ev); - - // block the browser events - if((inst.options.drag_block_vertical && Hammer.utils.isVertical(ev.direction)) || - (inst.options.drag_block_horizontal && !Hammer.utils.isVertical(ev.direction))) { - ev.preventDefault(); - } - break; - - case Hammer.EVENT_END: - // trigger dragend - if(this.triggered) { - inst.trigger(this.name + 'end', ev); - } - - this.triggered = false; - break; - } - } -}; - -/** - * Hold - * Touch stays at the same place for x time - * @events hold - */ -Hammer.gestures.Hold = { - name : 'hold', - index : 10, - defaults: { - hold_timeout : 500, - hold_threshold: 1 - }, - timer : null, - handler : function holdGesture(ev, inst) { - switch(ev.eventType) { - case Hammer.EVENT_START: - // clear any running timers - clearTimeout(this.timer); - - // set the gesture so we can check in the timeout if it still is - Hammer.detection.current.name = this.name; - - // set timer and if after the timeout it still is hold, - // we trigger the hold event - this.timer = setTimeout(function() { - if(Hammer.detection.current.name == 'hold') { - inst.trigger('hold', ev); - } - }, inst.options.hold_timeout); - break; - - // when you move or end we clear the timer - case Hammer.EVENT_MOVE: - if(ev.distance > inst.options.hold_threshold) { - clearTimeout(this.timer); - } - break; - - case Hammer.EVENT_END: - clearTimeout(this.timer); - break; - } - } -}; - -/** - * Release - * Called as last, tells the user has released the screen - * @events release - */ -Hammer.gestures.Release = { - name : 'release', - index : Infinity, - handler: function releaseGesture(ev, inst) { - if(ev.eventType == Hammer.EVENT_END) { - inst.trigger(this.name, ev); - } - } -}; - -/** - * Swipe - * triggers swipe events when the end velocity is above the threshold - * @events swipe, swipeleft, swiperight, swipeup, swipedown - */ -Hammer.gestures.Swipe = { - name : 'swipe', - index : 40, - defaults: { - // set 0 for unlimited, but this can conflict with transform - swipe_min_touches: 1, - swipe_max_touches: 1, - swipe_velocity : 0.7 - }, - handler : function swipeGesture(ev, inst) { - if(ev.eventType == Hammer.EVENT_END) { - // max touches - if(inst.options.swipe_max_touches > 0 && - ev.touches.length < inst.options.swipe_min_touches && - ev.touches.length > inst.options.swipe_max_touches) { - return; - } - - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(ev.velocityX > inst.options.swipe_velocity || - ev.velocityY > inst.options.swipe_velocity) { - // trigger swipe events - inst.trigger(this.name, ev); - inst.trigger(this.name + ev.direction, ev); - } - } - } -}; - -/** - * Tap/DoubleTap - * Quick touch at a place or double at the same place - * @events tap, doubletap - */ -Hammer.gestures.Tap = { - name : 'tap', - index : 100, - defaults: { - tap_max_touchtime : 250, - tap_max_distance : 10, - tap_always : true, - doubletap_distance: 20, - doubletap_interval: 300 - }, - handler : function tapGesture(ev, inst) { - if(ev.eventType == Hammer.EVENT_MOVE && !Hammer.detection.current.reachedTapMaxDistance) { - //Track the distance we've moved. If it's above the max ONCE, remember that (fixes #406). - Hammer.detection.current.reachedTapMaxDistance = (ev.distance > inst.options.tap_max_distance); - } else if(ev.eventType == Hammer.EVENT_END && ev.srcEvent.type != 'touchcancel') { - // previous gesture, for the double tap since these are two different gesture detections - var prev = Hammer.detection.previous, - did_doubletap = false; - - // when the touchtime is higher then the max touch time - // or when the moving distance is too much - if(Hammer.detection.current.reachedTapMaxDistance || ev.deltaTime > inst.options.tap_max_touchtime) { - return; - } - - // check if double tap - if(prev && prev.name == 'tap' && - (ev.timeStamp - prev.lastEvent.timeStamp) < inst.options.doubletap_interval && - ev.distance < inst.options.doubletap_distance) { - inst.trigger('doubletap', ev); - did_doubletap = true; - } - - // do a single tap - if(!did_doubletap || inst.options.tap_always) { - Hammer.detection.current.name = 'tap'; - inst.trigger(Hammer.detection.current.name, ev); - } - } - } -}; - -/** - * Touch - * Called as first, tells the user has touched the screen - * @events touch - */ -Hammer.gestures.Touch = { - name : 'touch', - index : -Infinity, - defaults: { - // call preventDefault at touchstart, and makes the element blocking by - // disabling the scrolling of the page, but it improves gestures like - // transforming and dragging. - // be careful with using this, it can be very annoying for users to be stuck - // on the page - prevent_default : false, - - // disable mouse events, so only touch (or pen!) input triggers events - prevent_mouseevents: false - }, - handler : function touchGesture(ev, inst) { - if(inst.options.prevent_mouseevents && ev.pointerType == Hammer.POINTER_MOUSE) { - ev.stopDetect(); - return; - } - - if(inst.options.prevent_default) { - ev.preventDefault(); - } - - if(ev.eventType == Hammer.EVENT_START) { - inst.trigger(this.name, ev); - } - } -}; - - -/** - * Transform - * User want to scale or rotate with 2 fingers - * @events transform, pinch, pinchin, pinchout, rotate - */ -Hammer.gestures.Transform = { - name : 'transform', - index : 45, - defaults : { - // factor, no scale is 1, zoomin is to 0 and zoomout until higher then 1 - transform_min_scale : 0.01, - // rotation in degrees - transform_min_rotation: 1, - // prevent default browser behavior when two touches are on the screen - // but it makes the element a blocking element - // when you are using the transform gesture, it is a good practice to set this true - transform_always_block: false - }, - triggered: false, - handler : function transformGesture(ev, inst) { - // current gesture isnt drag, but dragged is true - // this means an other gesture is busy. now call dragend - if(Hammer.detection.current.name != this.name && this.triggered) { - inst.trigger(this.name + 'end', ev); - this.triggered = false; - return; - } - - // atleast multitouch - if(ev.touches.length < 2) { - return; - } - - // prevent default when two fingers are on the screen - if(inst.options.transform_always_block) { - ev.preventDefault(); - } - - switch(ev.eventType) { - case Hammer.EVENT_START: - this.triggered = false; - break; - - case Hammer.EVENT_MOVE: - var scale_threshold = Math.abs(1 - ev.scale); - var rotation_threshold = Math.abs(ev.rotation); - - // when the distance we moved is too small we skip this gesture - // or we can be already in dragging - if(scale_threshold < inst.options.transform_min_scale && - rotation_threshold < inst.options.transform_min_rotation) { - return; - } - - // we are transforming! - Hammer.detection.current.name = this.name; - - // first time, trigger dragstart event - if(!this.triggered) { - inst.trigger(this.name + 'start', ev); - this.triggered = true; - } - - inst.trigger(this.name, ev); // basic transform event - - // trigger rotate event - if(rotation_threshold > inst.options.transform_min_rotation) { - inst.trigger('rotate', ev); - } - - // trigger pinch event - if(scale_threshold > inst.options.transform_min_scale) { - inst.trigger('pinch', ev); - inst.trigger('pinch' + ((ev.scale < 1) ? 'in' : 'out'), ev); - } - break; - - case Hammer.EVENT_END: - // trigger dragend - if(this.triggered) { - inst.trigger(this.name + 'end', ev); - } - - this.triggered = false; - break; - } - } -}; - - // Based off Lo-Dash's excellent UMD wrapper (slightly modified) - https://github.com/bestiejs/lodash/blob/master/lodash.js#L5515-L5543 - // some AMD build optimizers, like r.js, check for specific condition patterns like the following: - if(typeof define == 'function' && define.amd) { - // define as an anonymous module - define(function() { return Hammer; }); - } - - // check for `exports` after `define` in case a build optimizer adds an `exports` object - else if(typeof module === 'object' && module.exports) { - module.exports = Hammer; - } - - else { - window.Hammer = Hammer; - } - -})(window); - -},{}],19:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -function EventEmitter() { - this._events = this._events || {}; - this._maxListeners = this._maxListeners || undefined; -} -module.exports = EventEmitter; - -// Backwards-compat with node 0.10.x -EventEmitter.EventEmitter = EventEmitter; - -EventEmitter.prototype._events = undefined; -EventEmitter.prototype._maxListeners = undefined; - -// By default EventEmitters will print a warning if more than 10 listeners are -// added to it. This is a useful default which helps finding memory leaks. -EventEmitter.defaultMaxListeners = 10; - -// Obviously not all Emitters should be limited to 10. This function allows -// that to be increased. Set to zero for unlimited. -EventEmitter.prototype.setMaxListeners = function(n) { - if (!isNumber(n) || n < 0 || isNaN(n)) - throw TypeError('n must be a positive number'); - this._maxListeners = n; - return this; -}; - -EventEmitter.prototype.emit = function(type) { - var er, handler, len, args, i, listeners; - - if (!this._events) - this._events = {}; - - // If there is no 'error' event listener then throw. - if (type === 'error') { - if (!this._events.error || - (isObject(this._events.error) && !this._events.error.length)) { - er = arguments[1]; - if (er instanceof Error) { - throw er; // Unhandled 'error' event - } - throw TypeError('Uncaught, unspecified "error" event.'); - } - } - - handler = this._events[type]; - - if (isUndefined(handler)) - return false; - - if (isFunction(handler)) { - switch (arguments.length) { - // fast cases - case 1: - handler.call(this); - break; - case 2: - handler.call(this, arguments[1]); - break; - case 3: - handler.call(this, arguments[1], arguments[2]); - break; - // slower - default: - len = arguments.length; - args = new Array(len - 1); - for (i = 1; i < len; i++) - args[i - 1] = arguments[i]; - handler.apply(this, args); - } - } else if (isObject(handler)) { - len = arguments.length; - args = new Array(len - 1); - for (i = 1; i < len; i++) - args[i - 1] = arguments[i]; - - listeners = handler.slice(); - len = listeners.length; - for (i = 0; i < len; i++) - listeners[i].apply(this, args); - } - - return true; -}; - -EventEmitter.prototype.addListener = function(type, listener) { - var m; - - if (!isFunction(listener)) - throw TypeError('listener must be a function'); - - if (!this._events) - this._events = {}; - - // To avoid recursion in the case that type === "newListener"! Before - // adding it to the listeners, first emit "newListener". - if (this._events.newListener) - this.emit('newListener', type, - isFunction(listener.listener) ? - listener.listener : listener); - - if (!this._events[type]) - // Optimize the case of one listener. Don't need the extra array object. - this._events[type] = listener; - else if (isObject(this._events[type])) - // If we've already got an array, just append. - this._events[type].push(listener); - else - // Adding the second element, need to change to array. - this._events[type] = [this._events[type], listener]; - - // Check for listener leak - if (isObject(this._events[type]) && !this._events[type].warned) { - var m; - if (!isUndefined(this._maxListeners)) { - m = this._maxListeners; - } else { - m = EventEmitter.defaultMaxListeners; - } - - if (m && m > 0 && this._events[type].length > m) { - this._events[type].warned = true; - console.error('(node) warning: possible EventEmitter memory ' + - 'leak detected. %d listeners added. ' + - 'Use emitter.setMaxListeners() to increase limit.', - this._events[type].length); - if (typeof console.trace === 'function') { - // not supported in IE 10 - console.trace(); - } - } - } - - return this; -}; - -EventEmitter.prototype.on = EventEmitter.prototype.addListener; - -EventEmitter.prototype.once = function(type, listener) { - if (!isFunction(listener)) - throw TypeError('listener must be a function'); - - var fired = false; - - function g() { - this.removeListener(type, g); - - if (!fired) { - fired = true; - listener.apply(this, arguments); - } - } - - g.listener = listener; - this.on(type, g); - - return this; -}; - -// emits a 'removeListener' event iff the listener was removed -EventEmitter.prototype.removeListener = function(type, listener) { - var list, position, length, i; - - if (!isFunction(listener)) - throw TypeError('listener must be a function'); - - if (!this._events || !this._events[type]) - return this; - - list = this._events[type]; - length = list.length; - position = -1; - - if (list === listener || - (isFunction(list.listener) && list.listener === listener)) { - delete this._events[type]; - if (this._events.removeListener) - this.emit('removeListener', type, listener); - - } else if (isObject(list)) { - for (i = length; i-- > 0;) { - if (list[i] === listener || - (list[i].listener && list[i].listener === listener)) { - position = i; - break; - } - } - - if (position < 0) - return this; - - if (list.length === 1) { - list.length = 0; - delete this._events[type]; - } else { - list.splice(position, 1); - } - - if (this._events.removeListener) - this.emit('removeListener', type, listener); - } - - return this; -}; - -EventEmitter.prototype.removeAllListeners = function(type) { - var key, listeners; - - if (!this._events) - return this; - - // not listening for removeListener, no need to emit - if (!this._events.removeListener) { - if (arguments.length === 0) - this._events = {}; - else if (this._events[type]) - delete this._events[type]; - return this; - } - - // emit removeListener for all listeners on all events - if (arguments.length === 0) { - for (key in this._events) { - if (key === 'removeListener') continue; - this.removeAllListeners(key); - } - this.removeAllListeners('removeListener'); - this._events = {}; - return this; - } - - listeners = this._events[type]; - - if (isFunction(listeners)) { - this.removeListener(type, listeners); - } else { - // LIFO order - while (listeners.length) - this.removeListener(type, listeners[listeners.length - 1]); - } - delete this._events[type]; - - return this; -}; - -EventEmitter.prototype.listeners = function(type) { - var ret; - if (!this._events || !this._events[type]) - ret = []; - else if (isFunction(this._events[type])) - ret = [this._events[type]]; - else - ret = this._events[type].slice(); - return ret; -}; - -EventEmitter.listenerCount = function(emitter, type) { - var ret; - if (!emitter._events || !emitter._events[type]) - ret = 0; - else if (isFunction(emitter._events[type])) - ret = 1; - else - ret = emitter._events[type].length; - return ret; -}; - -function isFunction(arg) { - return typeof arg === 'function'; -} - -function isNumber(arg) { - return typeof arg === 'number'; -} - -function isObject(arg) { - return typeof arg === 'object' && arg !== null; -} - -function isUndefined(arg) { - return arg === void 0; -} - -},{}]},{},[13]) -//# 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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","CanvasRenderingContext2D.prototype.storeLoadedImage = function (key, image) {\n\tif (!this.images) {\n\t\tthis.images = {};\n\t}\n\n\tthis.images[key] = image;\n};\n\nCanvasRenderingContext2D.prototype.getLoadedImage = function (key) {\n\tif (this.images[key]) {\n\t\treturn this.images[key];\n\t}\n};\n\nCanvasRenderingContext2D.prototype.followSprite = function (sprite) {\n\tthis.centralSprite = sprite;\n};\n\nCanvasRenderingContext2D.prototype.getCentralPosition = function () {\n\treturn {\n\t\tmap: this.centralSprite.mapPosition,\n\t\tcanvas: [ Math.round(this.canvas.width * 0.5), Math.round(this.canvas.height * 0.5), 0]\n\t};\n};\n\nCanvasRenderingContext2D.prototype.mapPositionToCanvasPosition = function (position) {\n\tvar central = this.getCentralPosition();\n\tvar centralMapPosition = central.map;\n\tvar centralCanvasPosition = central.canvas;\n\tvar mapDifferenceX = centralMapPosition[0] - position[0];\n\tvar mapDifferenceY = centralMapPosition[1] - position[1];\n\treturn [ centralCanvasPosition[0] - mapDifferenceX, centralCanvasPosition[1] - mapDifferenceY ];\n};\n\nCanvasRenderingContext2D.prototype.canvasPositionToMapPosition = function (position) {\n\tvar central = this.getCentralPosition();\n\tvar centralMapPosition = central.map;\n\tvar centralCanvasPosition = central.canvas;\n\tvar mapDifferenceX = centralCanvasPosition[0] - position[0];\n\tvar mapDifferenceY = centralCanvasPosition[1] - position[1];\n\treturn [ centralMapPosition[0] - mapDifferenceX, centralMapPosition[1] - mapDifferenceY ];\n};\n\nCanvasRenderingContext2D.prototype.getCentreOfViewport = function () {\n\treturn (this.canvas.width / 2).floor();\n};\n\n// Y-pos canvas functions\nCanvasRenderingContext2D.prototype.getMiddleOfViewport = function () {\n\treturn (this.canvas.height / 2).floor();\n};\n\nCanvasRenderingContext2D.prototype.getBelowViewport = function () {\n\treturn this.canvas.height.floor();\n};\n\nCanvasRenderingContext2D.prototype.getMapBelowViewport = function () {\n\tvar below = this.getBelowViewport();\n\treturn this.canvasPositionToMapPosition([ 0, below ])[1];\n};\n\nCanvasRenderingContext2D.prototype.getRandomlyInTheCentreOfCanvas = function (buffer) {\n\tvar min = 0;\n\tvar max = this.canvas.width;\n\n\tif (buffer) {\n\t\tmin -= buffer;\n\t\tmax += buffer;\n\t}\n\n\treturn Number.random(min, max);\n};\n\nCanvasRenderingContext2D.prototype.getRandomlyInTheCentreOfMap = function (buffer) {\n\tvar random = this.getRandomlyInTheCentreOfCanvas(buffer);\n\treturn this.canvasPositionToMapPosition([ random, 0 ])[0];\n};\n\nCanvasRenderingContext2D.prototype.getRandomMapPositionBelowViewport = function () {\n\tvar xCanvas = this.getRandomlyInTheCentreOfCanvas();\n\tvar yCanvas = this.getBelowViewport();\n\treturn this.canvasPositionToMapPosition([ xCanvas, yCanvas ]);\n};\n\nCanvasRenderingContext2D.prototype.getRandomMapPositionAboveViewport = function () {\n\tvar xCanvas = this.getRandomlyInTheCentreOfCanvas();\n\tvar yCanvas = this.getAboveViewport();\n\treturn this.canvasPositionToMapPosition([ xCanvas, yCanvas ]);\n};\n\nCanvasRenderingContext2D.prototype.getTopOfViewport = function () {\n\treturn this.canvasPositionToMapPosition([ 0, 0 ])[1];\n};\n\nCanvasRenderingContext2D.prototype.getAboveViewport = function () {\n\treturn 0 - (this.canvas.height / 4).floor();\n};","// Extends function so that new-able objects can be given new methods easily\nFunction.prototype.method = function (name, func) {\n    this.prototype[name] = func;\n    return this;\n};\n\n// Will return the original method of an object when inheriting from another\nObject.method('superior', function (name) {\n    var that = this;\n    var method = that[name];\n    return function() {\n        return method.apply(that, arguments);\n    };\n});","var SpriteArray = require('./spriteArray');\nvar EventedLoop = require('eventedloop');\n\n(function (global) {\n\tfunction Game (mainCanvas, player) {\n\t\tvar staticObjects = new SpriteArray();\n\t\tvar movingObjects = new SpriteArray();\n\t\tvar uiElements = new SpriteArray();\n\t\tvar dContext = mainCanvas.getContext('2d');\n\t\tvar mouseX = dContext.getCentreOfViewport();\n\t\tvar mouseY = 0;\n\t\tvar paused = false;\n\t\tvar that = this;\n\t\tvar beforeCycleCallbacks = [];\n\t\tvar afterCycleCallbacks = [];\n\t\tvar gameLoop = new EventedLoop();\n\n\t\tthis.addStaticObject = function (sprite) {\n\t\t\tstaticObjects.push(sprite);\n\t\t};\n\n\t\tthis.addStaticObjects = function (sprites) {\n\t\t\tsprites.forEach(this.addStaticObject.bind(this));\n\t\t};\n\n\t\tthis.addMovingObject = function (movingObject, movingObjectType) {\n\t\t\tif (movingObjectType) {\n\t\t\t\tstaticObjects.onPush(function (obj) {\n\t\t\t\t\tif (obj.data && obj.data.hitBehaviour[movingObjectType]) {\n\t\t\t\t\t\tobj.onHitting(movingObject, obj.data.hitBehaviour[movingObjectType]);\n\t\t\t\t\t}\n\t\t\t\t}, true);\n\t\t\t}\n\n\t\t\tmovingObjects.push(movingObject);\n\t\t};\n\n\t\tthis.addUIElement = function (element) {\n\t\t\tuiElements.push(element);\n\t\t};\n\n\t\tthis.beforeCycle = function (callback) {\n\t\t\tbeforeCycleCallbacks.push(callback);\n\t\t};\n\n\t\tthis.afterCycle = function (callback) {\n\t\t\tafterCycleCallbacks.push(callback);\n\t\t};\n\n\t\tthis.setMouseX = function (x) {\n\t\t\tmouseX = x;\n\t\t};\n\n\t\tthis.setMouseY = function (y) {\n\t\t\tmouseY = y;\n\t\t};\n\n\t\tplayer.setMapPosition(0, 0);\n\t\tplayer.setMapPositionTarget(0, -10);\n\t\tdContext.followSprite(player);\n\n\t\tvar intervalNum = 0;\n\n\t\tthis.cycle = function () {\n\t\t\tbeforeCycleCallbacks.each(function(c) {\n\t\t\t\tc();\n\t\t\t});\n\n\t\t\t// Clear canvas\n\t\t\tvar mouseMapPosition = dContext.canvasPositionToMapPosition([mouseX, mouseY]);\n\n\t\t\tif (!player.isJumping) {\n\t\t\t\tplayer.setMapPositionTarget(mouseMapPosition[0], mouseMapPosition[1]);\n\t\t\t}\n\n\t\t\tintervalNum++;\n\n\t\t\tplayer.cycle();\n\n\t\t\tmovingObjects.each(function (movingObject, i) {\n\t\t\t\tmovingObject.cycle(dContext);\n\t\t\t});\n\t\t\t\n\t\t\tstaticObjects.cull();\n\t\t\tstaticObjects.each(function (staticObject, i) {\n\t\t\t\tif (staticObject.cycle) {\n\t\t\t\t\tstaticObject.cycle();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tuiElements.each(function (uiElement, i) {\n\t\t\t\tif (uiElement.cycle) {\n\t\t\t\t\tuiElement.cycle();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tafterCycleCallbacks.each(function(c) {\n\t\t\t\tc();\n\t\t\t});\n\t\t};\n\n\t\tthat.draw = function () {\n\t\t\t// Clear canvas\n\t\t\tmainCanvas.width = mainCanvas.width;\n\n\t\t\tplayer.draw(dContext);\n\n\t\t\tplayer.cycle();\n\n\t\t\tmovingObjects.each(function (movingObject, i) {\n\t\t\t\tmovingObject.draw(dContext);\n\t\t\t});\n\t\t\t\n\t\t\tstaticObjects.each(function (staticObject, i) {\n\t\t\t\tif (staticObject.draw) {\n\t\t\t\t\tstaticObject.draw(dContext, 'main');\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tuiElements.each(function (uiElement, i) {\n\t\t\t\tif (uiElement.draw) {\n\t\t\t\t\tuiElement.draw(dContext, 'main');\n\t\t\t\t}\n\t\t\t});\n\t\t};\n\n\t\tthis.start = function () {\n\t\t\tgameLoop.start();\n\t\t};\n\n\t\tthis.pause = function () {\n\t\t\tpaused = true;\n\t\t\tgameLoop.stop();\n\t\t};\n\n\t\tthis.isPaused = function () {\n\t\t\treturn paused;\n\t\t};\n\n\t\tthis.reset = function () {\n\t\t\tpaused = false;\n\t\t\tstaticObjects = new SpriteArray();\n\t\t\tmovingObjects = new SpriteArray();\n\t\t\tmouseX = dContext.getCentreOfViewport();\n\t\t\tmouseY = 0;\n\t\t\tplayer.reset();\n\t\t\tplayer.setMapPosition(0, 0, 0);\n\t\t\tthis.start();\n\t\t}.bind(this);\n\n\t\tgameLoop.on('20', this.cycle);\n\t\tgameLoop.on('20', this.draw);\n\t}\n\n\tglobal.game = Game;\n})( this );\n\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.game;\n}","// Creates a random ID string\n(function(global) {\n    function guid ()\n    {\n        var S4 = function ()\n        {\n            return Math.floor(\n                    Math.random() * 0x10000 /* 65536 */\n                ).toString(16);\n        };\n\n        return (\n                S4() + S4() + \"-\" +\n                S4() + \"-\" +\n                S4() + \"-\" +\n                S4() + \"-\" +\n                S4() + S4() + S4()\n            );\n    }\n    global.guid = guid;\n})(this);\n\nif (typeof module !== 'undefined') {\n    module.exports = this.guid;\n}","function InfoBox(data) {\n\tvar that = this;\n\n\tthat.lines = data.initialLines;\n\n\tthat.top = data.position.top;\n\tthat.right = data.position.right;\n\tthat.bottom = data.position.bottom;\n\tthat.left = data.position.left;\n\n\tthat.width = data.width;\n\tthat.height = data.height;\n\n\tthat.setLines = function (lines) {\n\t\tthat.lines = lines;\n\t};\n\n\tthat.draw = function (dContext) {\n\t\tdContext.font = '11px monospace';\n\t\tvar yOffset = 0;\n\t\tthat.lines.each(function (line) {\n\t\t\tvar fontSize = +dContext.font.slice(0,2);\n\t\t\tvar textWidth = dContext.measureText(line).width;\n\t\t\tvar textHeight = fontSize * 1.5;\n\t\t\tvar xPos, yPos;\n\t\t\tif (that.top) {\n\t\t\t\tyPos = that.top + yOffset;\n\t\t\t} else if (that.bottom) {\n\t\t\t\tyPos = dContext.canvas.height - that.top - textHeight + yOffset;\n\t\t\t}\n\n\t\t\tif (that.right) {\n\t\t\t\txPos = dContext.canvas.width - that.right - textWidth;\n\t\t\t} else if (that.left) {\n\t\t\t\txPos = that.left;\n\t\t\t}\n\n\t\t\tyOffset += textHeight;\n\n\n\t\t\tdContext.fillText(line, xPos, yPos);\n\t\t});\n\t};\n\n\treturn that;\n}\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = InfoBox;\n}\n","function isMobileDevice() {\n\tif(navigator.userAgent.match(/Android/i) ||\n\t\tnavigator.userAgent.match(/webOS/i) ||\n\t\tnavigator.userAgent.match(/iPhone/i) ||\n\t\tnavigator.userAgent.match(/iPad/i) ||\n\t\tnavigator.userAgent.match(/iPod/i) ||\n\t\tnavigator.userAgent.match(/BlackBerry/i) ||\n\t\tnavigator.userAgent.match(/Windows Phone/i)\n\t) {\n\t\treturn true;\n\t}\n\telse {\n\t\treturn false;\n\t}\n}\n\nmodule.exports = isMobileDevice;","var Sprite = require('./sprite');\n\n(function(global) {\n\tfunction Monster(data) {\n\t\tvar that = new Sprite(data);\n\t\tvar super_draw = that.superior('draw');\n\t\tvar spriteVersion = 1;\n\t\tvar eatingStage = 0;\n\t\tvar standardSpeed = 6;\n\n\t\tthat.isEating = false;\n\t\tthat.isFull = false;\n\t\tthat.setSpeed(standardSpeed);\n\n\t\tthat.draw = function(dContext) {\n\t\t\tvar spritePartToUse = function () {\n\t\t\t\tvar xDiff = that.movingToward[0] - that.canvasX;\n\n\t\t\t\tif (that.isEating) {\n\t\t\t\t\treturn 'eating' + eatingStage;\n\t\t\t\t}\n\n\t\t\t\tif (spriteVersion + 0.1 > 2) {\n\t\t\t\t\tspriteVersion = 0.1;\n\t\t\t\t} else {\n\t\t\t\t\tspriteVersion += 0.1;\n\t\t\t\t}\n\t\t\t\tif (xDiff >= 0) {\n\t\t\t\t\treturn 'sEast' + Math.ceil(spriteVersion);\n\t\t\t\t} else if (xDiff < 0) {\n\t\t\t\t\treturn 'sWest' + Math.ceil(spriteVersion);\n\t\t\t\t}\n\t\t\t};\n\n\t\t\treturn super_draw(dContext, spritePartToUse());\n\t\t};\n\n\t\tfunction startEating (whenDone) {\n\t\t\teatingStage += 1;\n\t\t\tthat.isEating = true;\n\t\t\tthat.isMoving = false;\n\t\t\tif (eatingStage < 6) {\n\t\t\t\tsetTimeout(function () {\n\t\t\t\t\tstartEating(whenDone);\n\t\t\t\t}, 300);\n\t\t\t} else {\n\t\t\t\teatingStage = 0;\n\t\t\t\tthat.isEating = false;\n\t\t\t\tthat.isMoving = true;\n\t\t\t\twhenDone();\n\t\t\t}\n\t\t}\n\n\t\tthat.startEating = startEating;\n\n\t\treturn that;\n\t}\n\n\tglobal.monster = Monster;\n})( this );\n\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.monster;\n}","// Avoid `console` errors in browsers that lack a console.\n(function() {\n    var method;\n    var noop = function noop() {};\n    var methods = [\n        'assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error',\n        'exception', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log',\n        'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd',\n        'timeStamp', 'trace', 'warn'\n    ];\n    var length = methods.length;\n    var console = (window.console = window.console || {});\n\n    while (length--) {\n        method = methods[length];\n\n        // Only stub undefined methods.\n        if (!console[method]) {\n            console[method] = noop;\n        }\n    }\n}());","var Sprite = require('./sprite');\nif (typeof navigator !== 'undefined') {\n\tnavigator.vibrate = navigator.vibrate ||\n\t\tnavigator.webkitVibrate ||\n\t\tnavigator.mozVibrate ||\n\t\tnavigator.msVibrate;\n} else {\n\tnavigator = {\n\t\tvibrate: false\n\t};\n}\n\n(function(global) {\n\tfunction Skier(data) {\n\t\tvar discreteDirections = {\n\t\t\t'west': 270,\n\t\t\t'wsWest': 240,\n\t\t\t'sWest': 195,\n\t\t\t'south': 180,\n\t\t\t'sEast': 165,\n\t\t\t'esEast': 120,\n\t\t\t'east': 90\n\t\t};\n\t\tvar that = new Sprite(data);\n\t\tvar sup = {\n\t\t\tdraw: that.superior('draw'),\n\t\t\tcycle: that.superior('cycle'),\n\t\t\tgetSpeedX: that.superior('getSpeedX'),\n\t\t\tgetSpeedY: that.superior('getSpeedY'),\n\t\t\thits: that.superior('hits')\n\t\t};\n\t\tvar directions = {\n\t\t\tesEast: function(xDiff) { return xDiff > 300; },\n\t\t\tsEast: function(xDiff) { return xDiff > 75; },\n\t\t\twsWest: function(xDiff) { return xDiff < -300; },\n\t\t\tsWest: function(xDiff) { return xDiff < -75; }\n\t\t};\n\n\t\tvar cancelableStateTimeout;\n\t\tvar cancelableStateInterval;\n\n\t\tvar canSpeedBoost = true;\n\n\t\tvar obstaclesHit = [];\n\t\tvar pixelsTravelled = 0;\n\t\tvar standardSpeed = 5;\n\t\tvar boostMultiplier = 2;\n\t\tvar turnEaseCycles = 70;\n\t\tvar speedX = 0;\n\t\tvar speedXFactor = 0;\n\t\tvar speedY = 0;\n\t\tvar speedYFactor = 1;\n\t\tvar trickStep = 0; // There are three of these\n\n\t\tthat.isMoving = true;\n\t\tthat.hasBeenHit = false;\n\t\tthat.isJumping = false;\n\t\tthat.isPerformingTrick = false;\n\t\tthat.onHitObstacleCb = function() {};\n\t\tthat.setSpeed(standardSpeed);\n\n\t\tthat.reset = function () {\n\t\t\tobstaclesHit = [];\n\t\t\tpixelsTravelled = 0;\n\t\t\tthat.isMoving = true;\n\t\t\tthat.hasBeenHit = false;\n\t\t\tcanSpeedBoost = true;\n\t\t\tsetNormal();\n\t\t};\n\n\t\tfunction setNormal() {\n\t\t\tthat.setSpeed(standardSpeed);\n\t\t\tthat.isMoving = true;\n\t\t\tthat.hasBeenHit = false;\n\t\t\tthat.isJumping = false;\n\t\t\tthat.isPerformingTrick = false;\n\t\t\tif (cancelableStateInterval) {\n\t\t\t\tclearInterval(cancelableStateInterval);\n\t\t\t}\n\t\t\tthat.setMapPosition(undefined, undefined, 0);\n\t\t}\n\n\t\tfunction setCrashed() {\n\t\t\tthat.isMoving = false;\n\t\t\tthat.hasBeenHit = true;\n\t\t\tthat.isJumping = false;\n\t\t\tthat.isPerformingTrick = false;\n\t\t\tif (cancelableStateInterval) {\n\t\t\t\tclearInterval(cancelableStateInterval);\n\t\t\t}\n\t\t\tthat.setMapPosition(undefined, undefined, 0);\n\t\t}\n\n\t\tfunction setJumping() {\n\t\t\tvar currentSpeed = that.getSpeed();\n\t\t\tthat.setSpeed(currentSpeed + 2);\n\t\t\tthat.setSpeedY(currentSpeed + 2);\n\t\t\tthat.isMoving = true;\n\t\t\tthat.hasBeenHit = false;\n\t\t\tthat.isJumping = true;\n\t\t\tthat.setMapPosition(undefined, undefined, 1);\n\t\t}\n\n\t\tfunction getDiscreteDirection() {\n\t\t\tif (that.direction) {\n\t\t\t\tif (that.direction <= 90) {\n\t\t\t\t\treturn 'east';\n\t\t\t\t} else if (that.direction > 90 && that.direction < 150) {\n\t\t\t\t\treturn 'esEast';\n\t\t\t\t} else if (that.direction >= 150 && that.direction < 180) {\n\t\t\t\t\treturn 'sEast';\n\t\t\t\t} else if (that.direction === 180) {\n\t\t\t\t\treturn 'south';\n\t\t\t\t} else if (that.direction > 180 && that.direction <= 210) {\n\t\t\t\t\treturn 'sWest';\n\t\t\t\t} else if (that.direction > 210 && that.direction < 270) {\n\t\t\t\t\treturn 'wsWest';\n\t\t\t\t} else if (that.direction >= 270) {\n\t\t\t\t\treturn 'west';\n\t\t\t\t} else {\n\t\t\t\t\treturn 'south';\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tvar xDiff = that.movingToward[0] - that.mapPosition[0];\n\t\t\t\tvar yDiff = that.movingToward[1] - that.mapPosition[1];\n\t\t\t\tif (yDiff <= 0) {\n\t\t\t\t\tif (xDiff > 0) {\n\t\t\t\t\t\treturn 'east';\n\t\t\t\t\t} else {\n\t\t\t\t\t\treturn 'west';\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (directions.esEast(xDiff)) {\n\t\t\t\t\treturn 'esEast';\n\t\t\t\t} else if (directions.sEast(xDiff)) {\n\t\t\t\t\treturn 'sEast';\n\t\t\t\t} else if (directions.wsWest(xDiff)) {\n\t\t\t\t\treturn 'wsWest';\n\t\t\t\t} else if (directions.sWest(xDiff)) {\n\t\t\t\t\treturn 'sWest';\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn 'south';\n\t\t}\n\n\t\tfunction setDiscreteDirection(d) {\n\t\t\tif (discreteDirections[d]) {\n\t\t\t\tthat.setDirection(discreteDirections[d]);\n\t\t\t}\n\n\t\t\tif (d === 'west' || d === 'east') {\n\t\t\t\tthat.isMoving = false;\n\t\t\t} else {\n\t\t\t\tthat.isMoving = true;\n\t\t\t}\n\t\t}\n\n\t\tfunction getBeingEatenSprite() {\n\t\t\treturn 'blank';\n\t\t}\n\n\t\tfunction getJumpingSprite() {\n\t\t\treturn 'jumping';\n\t\t}\n\n\t\tfunction getTrickSprite() {\n\t\t\tconsole.log('Trick step is', trickStep);\n\t\t\tif (trickStep === 0) {\n\t\t\t\treturn 'jumping';\n\t\t\t} else if (trickStep === 1) {\n\t\t\t\treturn 'somersault1';\n\t\t\t} else {\n\t\t\t\treturn 'somersault2';\n\t\t\t}\n\t\t}\n\n\t\tthat.stop = function () {\n\t\t\tif (that.direction > 180) {\n\t\t\t\tsetDiscreteDirection('west');\n\t\t\t} else {\n\t\t\t\tsetDiscreteDirection('east');\n\t\t\t}\n\t\t};\n\n\t\tthat.turnEast = function () {\n\t\t\tvar discreteDirection = getDiscreteDirection();\n\n\t\t\tswitch (discreteDirection) {\n\t\t\t\tcase 'west':\n\t\t\t\t\tsetDiscreteDirection('wsWest');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'wsWest':\n\t\t\t\t\tsetDiscreteDirection('sWest');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'sWest':\n\t\t\t\t\tsetDiscreteDirection('south');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'south':\n\t\t\t\t\tsetDiscreteDirection('sEast');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'sEast':\n\t\t\t\t\tsetDiscreteDirection('esEast');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'esEast':\n\t\t\t\t\tsetDiscreteDirection('east');\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tsetDiscreteDirection('south');\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t};\n\n\t\tthat.turnWest = function () {\n\t\t\tvar discreteDirection = getDiscreteDirection();\n\n\t\t\tswitch (discreteDirection) {\n\t\t\t\tcase 'east':\n\t\t\t\t\tsetDiscreteDirection('esEast');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'esEast':\n\t\t\t\t\tsetDiscreteDirection('sEast');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'sEast':\n\t\t\t\t\tsetDiscreteDirection('south');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'south':\n\t\t\t\t\tsetDiscreteDirection('sWest');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'sWest':\n\t\t\t\t\tsetDiscreteDirection('wsWest');\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'wsWest':\n\t\t\t\t\tsetDiscreteDirection('west');\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tsetDiscreteDirection('south');\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t};\n\n\t\tthat.stepWest = function () {\n\t\t\tthat.mapPosition[0] -= that.speed * 2;\n\t\t};\n\n\t\tthat.stepEast = function () {\n\t\t\tthat.mapPosition[0] += that.speed * 2;\n\t\t};\n\n\t\tthat.setMapPositionTarget = function (x, y) {\n\t\t\tif (that.hasBeenHit) return;\n\n\t\t\tif (Math.abs(that.mapPosition[0] - x) <= 75) {\n\t\t\t\tx = that.mapPosition[0];\n\t\t\t}\n\n\t\t\tthat.movingToward = [ x, y ];\n\n\t\t\t// that.resetDirection();\n\t\t};\n\n\t\tthat.startMovingIfPossible = function () {\n\t\t\tif (!that.hasBeenHit && !that.isBeingEaten) {\n\t\t\t\tthat.isMoving = true;\n\t\t\t}\n\t\t};\n\n\t\tthat.setTurnEaseCycles = function (c) {\n\t\t\tturnEaseCycles = c;\n\t\t};\n\n\t\tthat.getPixelsTravelledDownMountain = function () {\n\t\t\treturn pixelsTravelled;\n\t\t};\n\n\t\tthat.resetSpeed = function () {\n\t\t\tthat.setSpeed(standardSpeed);\n\t\t};\n\n\t\tthat.cycle = function () {\n\t\t\tif ( that.getSpeedX() <= 0 && that.getSpeedY() <= 0 ) {\n\t\t\t\t\t\tthat.isMoving = false;\n\t\t\t}\n\t\t\tif (that.isMoving) {\n\t\t\t\tpixelsTravelled += that.speed;\n\t\t\t}\n\n\t\t\tif (that.isJumping) {\n\t\t\t\tthat.setMapPositionTarget(undefined, that.mapPosition[1] + that.getSpeed());\n\t\t\t}\n\n\t\t\tsup.cycle();\n\t\t\t\n\t\t\tthat.checkHittableObjects();\n\t\t};\n\n\t\tthat.draw = function(dContext) {\n\t\t\tvar spritePartToUse = function () {\n\t\t\t\tif (that.isBeingEaten) {\n\t\t\t\t\treturn getBeingEatenSprite();\n\t\t\t\t}\n\n\t\t\t\tif (that.isJumping) {\n\t\t\t\t\tif (that.isPerformingTrick) {\n\t\t\t\t\t\treturn getTrickSprite();\n\t\t\t\t\t}\n\t\t\t\t\treturn getJumpingSprite();\n\t\t\t\t}\n\n\t\t\t\tif (that.hasBeenHit) {\n\t\t\t\t\treturn 'hit';\n\t\t\t\t}\n\n\t\t\t\treturn getDiscreteDirection();\n\t\t\t};\n\n\t\t\treturn sup.draw(dContext, spritePartToUse());\n\t\t};\n\n\t\tthat.hits = function (obs) {\n\t\t\tif (obstaclesHit.indexOf(obs.id) !== -1) {\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\tif (!obs.occupiesZIndex(that.mapPosition[2])) {\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\tif (sup.hits(obs)) {\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\treturn false;\n\t\t};\n\n\t\tthat.speedBoost = function () {\n\t\t\tvar originalSpeed = that.speed;\n\t\t\tif (canSpeedBoost) {\n\t\t\t\tcanSpeedBoost = false;\n\t\t\t\tthat.setSpeed(that.speed * boostMultiplier);\n\t\t\t\tsetTimeout(function () {\n\t\t\t\t\tthat.setSpeed(originalSpeed);\n\t\t\t\t\tsetTimeout(function () {\n\t\t\t\t\t\tcanSpeedBoost = true;\n\t\t\t\t\t}, 10000);\n\t\t\t\t}, 2000);\n\t\t\t}\n\t\t};\n\n\t\tthat.attemptTrick = function () {\n\t\t\tif (that.isJumping) {\n\t\t\t\tthat.isPerformingTrick = true;\n\t\t\t\tcancelableStateInterval = setInterval(function () {\n\t\t\t\t\tif (trickStep >= 2) {\n\t\t\t\t\t\ttrickStep = 0;\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttrickStep += 1;\n\t\t\t\t\t}\n\t\t\t\t}, 300);\n\t\t\t}\n\t\t};\n\n\t\tthat.getStandardSpeed = function () {\n\t\t\treturn standardSpeed;\n\t\t};\n\n\t\tfunction easeSpeedToTargetUsingFactor(sp, targetSpeed, f) {\n\t\t\tif (f === 0 || f === 1) {\n\t\t\t\treturn targetSpeed;\n\t\t\t}\n\n\t\t\tif (sp < targetSpeed) {\n\t\t\t\tsp += that.getSpeed() * (f / turnEaseCycles);\n\t\t\t}\n\n\t\t\tif (sp > targetSpeed) {\n\t\t\t\tsp -= that.getSpeed() * (f / turnEaseCycles);\n\t\t\t}\n\n\t\t\treturn sp;\n\t\t}\n\n\t\tthat.getSpeedX = function () {\n\t\t\tif (getDiscreteDirection() === 'esEast' || getDiscreteDirection() === 'wsWest') {\n\t\t\t\tspeedXFactor = 0.5;\n\t\t\t\tspeedX = easeSpeedToTargetUsingFactor(speedX, that.getSpeed() * speedXFactor, speedXFactor);\n\n\t\t\t\treturn speedX;\n\t\t\t}\n\n\t\t\tif (getDiscreteDirection() === 'sEast' || getDiscreteDirection() === 'sWest') {\n\t\t\t\tspeedXFactor = 0.33;\n\t\t\t\tspeedX = easeSpeedToTargetUsingFactor(speedX, that.getSpeed() * speedXFactor, speedXFactor);\n\n\t\t\t\treturn speedX;\n\t\t\t}\n\n\t\t\t// So it must be south\n\n\t\t\tspeedX = easeSpeedToTargetUsingFactor(speedX, 0, speedXFactor);\n\n\t\t\treturn speedX;\n\t\t};\n\n\t\tthat.setSpeedY = function(sy) {\n\t\t\tspeedY = sy;\n\t\t};\n\n\t\tthat.getSpeedY = function () {\n\t\t\tvar targetSpeed;\n\n\t\t\tif (that.isJumping) {\n\t\t\t\treturn speedY;\n\t\t\t}\n\n\t\t\tif (getDiscreteDirection() === 'esEast' || getDiscreteDirection() === 'wsWest') {\n\t\t\t\tspeedYFactor = 0.6;\n\t\t\t\tspeedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed() * 0.6, 0.6);\n\n\t\t\t\treturn speedY;\n\t\t\t}\n\n\t\t\tif (getDiscreteDirection() === 'sEast' || getDiscreteDirection() === 'sWest') {\n\t\t\t\tspeedYFactor = 0.85;\n\t\t\t\tspeedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed() * 0.85, 0.85);\n\n\t\t\t\treturn speedY;\n\t\t\t}\n\n\t\t\tif (getDiscreteDirection() === 'east' || getDiscreteDirection() === 'west') {\n\t\t\t\tspeedYFactor = 1;\n\t\t\t\tspeedY = 0;\n\n\t\t\t\treturn speedY;\n\t\t\t}\n\n\t\t\t// So it must be south\n\n\t\t\tspeedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed(), speedYFactor);\n\n\t\t\treturn speedY;\n\t\t};\n\n\t\tthat.hasHitObstacle = function (obs) {\n\t\t\tsetCrashed();\n\n\t\t\tif (navigator.vibrate) {\n\t\t\t\tnavigator.vibrate(500);\n\t\t\t}\n\n\t\t\tobstaclesHit.push(obs.id);\n\n\t\t\tthat.resetSpeed();\n\t\t\tthat.onHitObstacleCb(obs);\n\n\t\t\tif (cancelableStateTimeout) {\n\t\t\t\tclearTimeout(cancelableStateTimeout);\n\t\t\t}\n\t\t\tcancelableStateTimeout = setTimeout(function() {\n\t\t\t\tsetNormal();\n\t\t\t}, 1500);\n\t\t};\n\n\t\tthat.hasHitJump = function () {\n\t\t\tsetJumping();\n\n\t\t\tif (cancelableStateTimeout) {\n\t\t\t\tclearTimeout(cancelableStateTimeout);\n\t\t\t}\n\t\t\tcancelableStateTimeout = setTimeout(function() {\n\t\t\t\tsetNormal();\n\t\t\t}, 1000);\n\t\t};\n\n\t\tthat.isEatenBy = function (monster, whenEaten) {\n\t\t\tthat.hasHitObstacle(monster);\n\t\t\tmonster.startEating(whenEaten);\n\t\t\tobstaclesHit.push(monster.id);\n\t\t\tthat.isMoving = false;\n\t\t\tthat.isBeingEaten = true;\n\t\t};\n\n\t\tthat.reset = function () {\n\t\t\tobstaclesHit = [];\n\t\t\tpixelsTravelled = 0;\n\t\t\tthat.isMoving = true;\n\t\t\tthat.isJumping = false;\n\t\t\tthat.hasBeenHit = false;\n\t\t\tcanSpeedBoost = true;\n\t\t};\n\n\t\tthat.setHitObstacleCb = function (fn) {\n\t\t\tthat.onHitObstacleCb = fn || function() {};\n\t\t};\n\t\treturn that;\n\t}\n\n\tglobal.skier = Skier;\n})(this);\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.skier;\n}\n","var Sprite = require('./sprite');\n\n(function(global) {\n\tfunction Snowboarder(data) {\n\t\tvar that = new Sprite(data);\n\t\tvar sup = {\n\t\t\tdraw: that.superior('draw'),\n\t\t\tcycle: that.superior('cycle')\n\t\t};\n\t\tvar directions = {\n\t\t\tsEast: function(xDiff) { return xDiff > 0; },\n\t\t\tsWest: function(xDiff) { return xDiff <= 0; }\n\t\t};\n\t\tvar standardSpeed = 3;\n\n\t\tthat.setSpeed(standardSpeed);\n\n\t\tfunction getDirection() {\n\t\t\tvar xDiff = that.movingToward[0] - that.mapPosition[0];\n\t\t\tvar yDiff = that.movingToward[1] - that.mapPosition[1];\n\n\t\t\tif (directions.sEast(xDiff)) {\n\t\t\t\treturn 'sEast';\n\t\t\t} else {\n\t\t\t\treturn 'sWest';\n\t\t\t}\n\t\t}\n\n\t\tthat.cycle = function (dContext) {\n\t\t\tif (Number.random(10) === 1) {\n\t\t\t\tthat.setMapPositionTarget(dContext.getRandomlyInTheCentreOfMap());\n\t\t\t\tthat.setSpeed(standardSpeed + Number.random(-1, 1));\n\t\t\t}\n\n\t\t\tthat.setMapPositionTarget(undefined, dContext.getMapBelowViewport() + 600);\n\n\t\t\tsup.cycle();\n\t\t};\n\n\t\tthat.draw = function(dContext) {\n\t\t\tvar spritePartToUse = function () {\n\t\t\t\treturn getDirection();\n\t\t\t};\n\n\t\t\treturn sup.draw(dContext, spritePartToUse());\n\t\t};\n\n\t\treturn that;\n\t}\n\n\tglobal.snowboarder = Snowboarder;\n})( this );\n\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.snowboarder;\n}","(function (global) {\n\tvar GUID = require('./guid');\n\tfunction Sprite (data) {\n\t\tvar hittableObjects = {};\n\t\tvar zIndexesOccupied = [ 0 ];\n\t\tvar that = this;\n\t\tvar trackedSpriteToMoveToward;\n\t\tthat.direction = undefined;\n\t\tthat.mapPosition = [0, 0, 0];\n\t\tthat.id = GUID();\n\t\tthat.canvasX = 0;\n\t\tthat.canvasY = 0;\n\t\tthat.canvasZ = 0;\n\t\tthat.height = 0;\n\t\tthat.speed = 0;\n\t\tthat.data = data || { parts : {} };\n\t\tthat.movingToward = [ 0, 0 ];\n\t\tthat.metresDownTheMountain = 0;\n\t\tthat.movingWithConviction = false;\n\t\tthat.deleted = false;\n\t\tthat.maxHeight = (function () {\n\t\t\treturn Object.values(that.data.parts).map(function (p) { return p[3]; }).max();\n\t\t}());\n\t\tthat.isMoving = true;\n\n\t\tif (!that.data.parts) {\n\t\t\tthat.data.parts = {};\n\t\t}\n\n\t\tif (data && data.id){\n\t\t\tthat.id = data.id;\n\t\t}\n\n\t\tif (data && data.zIndexesOccupied) {\n\t\t\tzIndexesOccupied = data.zIndexesOccupied;\n\t\t}\n\n\t\tfunction incrementX(amount) {\n\t\t\tthat.canvasX += amount.toNumber();\n\t\t}\n\n\t\tfunction incrementY(amount) {\n\t\t\tthat.canvasY += amount.toNumber();\n\t\t}\n\n\t\tfunction getHitBox(forZIndex) {\n\t\t\tif (that.data.hitBoxes) {\n\t\t\t\tif (data.hitBoxes[forZIndex]) {\n\t\t\t\t\treturn data.hitBoxes[forZIndex];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfunction roundHalf(num) {\n\t\t\tnum = Math.round(num*2)/2;\n\t\t\treturn num;\n\t\t}\n\n\t\tfunction move() {\n\t\t\tif (!that.isMoving) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tvar currentX = that.mapPosition[0];\n\t\t\tvar currentY = that.mapPosition[1];\n\n\t\t\tif (typeof that.direction !== 'undefined') {\n\t\t\t\t// For this we need to modify the that.direction so it relates to the horizontal\n\t\t\t\tvar d = that.direction - 90;\n\t\t\t\tif (d < 0) d = 360 + d;\n\t\t\t\tcurrentX += roundHalf(that.speed * Math.cos(d * (Math.PI / 180)));\n\t\t\t\tcurrentY += roundHalf(that.speed * Math.sin(d * (Math.PI / 180)));\n\t\t\t} else {\n\t\t\t\tif (typeof that.movingToward[0] !== 'undefined') {\n\t\t\t\t\tif (currentX > that.movingToward[0]) {\n\t\t\t\t\t\tcurrentX -= Math.min(that.getSpeedX(), Math.abs(currentX - that.movingToward[0]));\n\t\t\t\t\t} else if (currentX < that.movingToward[0]) {\n\t\t\t\t\t\tcurrentX += Math.min(that.getSpeedX(), Math.abs(currentX - that.movingToward[0]));\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\tif (typeof that.movingToward[1] !== 'undefined') {\n\t\t\t\t\tif (currentY > that.movingToward[1]) {\n\t\t\t\t\t\tcurrentY -= Math.min(that.getSpeedY(), Math.abs(currentY - that.movingToward[1]));\n\t\t\t\t\t} else if (currentY < that.movingToward[1]) {\n\t\t\t\t\t\tcurrentY += Math.min(that.getSpeedY(), Math.abs(currentY - that.movingToward[1]));\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tthat.setMapPosition(currentX, currentY);\n\t\t}\n\n\t\tthis.draw = function (dCtx, spriteFrame) {\n\t\t\tvar fr = that.data.parts[spriteFrame];\n\t\t\tthat.height = fr[3];\n\t\t\tthat.width = fr[2];\n\n\t\t\tvar newCanvasPosition = dCtx.mapPositionToCanvasPosition(that.mapPosition);\n\t\t\tthat.setCanvasPosition(newCanvasPosition[0], newCanvasPosition[1]);\n\n\t\t\tdCtx.drawImage(dCtx.getLoadedImage(that.data.$imageFile), fr[0], fr[1], fr[2], fr[3], that.canvasX, that.canvasY, fr[2], fr[3]);\n\t\t};\n\n\t\tthis.setMapPosition = function (x, y, z) {\n\t\t\tif (typeof x === 'undefined') {\n\t\t\t\tx = that.mapPosition[0];\n\t\t\t}\n\t\t\tif (typeof y === 'undefined') {\n\t\t\t\ty = that.mapPosition[1];\n\t\t\t}\n\t\t\tif (typeof z === 'undefined') {\n\t\t\t\tz = that.mapPosition[2];\n\t\t\t} else {\n\t\t\t\tthat.zIndexesOccupied = [ z ];\n\t\t\t}\n\t\t\tthat.mapPosition = [x, y, z];\n\t\t};\n\n\t\tthis.setCanvasPosition = function (cx, cy) {\n\t\t\tif (cx) {\n\t\t\t\tif (Object.isString(cx) && (cx.first() === '+' || cx.first() === '-')) incrementX(cx);\n\t\t\t\telse that.canvasX = cx;\n\t\t\t}\n\t\t\t\n\t\t\tif (cy) {\n\t\t\t\tif (Object.isString(cy) && (cy.first() === '+' || cy.first() === '-')) incrementY(cy);\n\t\t\t\telse that.canvasY = cy;\n\t\t\t}\n\t\t};\n\n\t\tthis.getCanvasPositionX = function () {\n\t\t\treturn that.canvasX;\n\t\t};\n\n\t\tthis.getCanvasPositionY = function  () {\n\t\t\treturn that.canvasY;\n\t\t};\n\n\t\tthis.getLeftHitBoxEdge = function (zIndex) {\n\t\t\tzIndex = zIndex || 0;\n\t\t\tvar lhbe = this.getCanvasPositionX();\n\t\t\tif (getHitBox(zIndex)) {\n\t\t\t\tlhbe += getHitBox(zIndex)[0];\n\t\t\t}\n\t\t\treturn lhbe;\n\t\t};\n\n\t\tthis.getTopHitBoxEdge = function (zIndex) {\n\t\t\tzIndex = zIndex || 0;\n\t\t\tvar thbe = this.getCanvasPositionY();\n\t\t\tif (getHitBox(zIndex)) {\n\t\t\t\tthbe += getHitBox(zIndex)[1];\n\t\t\t}\n\t\t\treturn thbe;\n\t\t};\n\n\t\tthis.getRightHitBoxEdge = function (zIndex) {\n\t\t\tzIndex = zIndex || 0;\n\n\t\t\tif (getHitBox(zIndex)) {\n\t\t\t\treturn that.canvasX + getHitBox(zIndex)[2];\n\t\t\t}\n\n\t\t\treturn that.canvasX + that.width;\n\t\t};\n\n\t\tthis.getBottomHitBoxEdge = function (zIndex) {\n\t\t\tzIndex = zIndex || 0;\n\n\t\t\tif (getHitBox(zIndex)) {\n\t\t\t\treturn that.canvasY + getHitBox(zIndex)[3];\n\t\t\t}\n\n\t\t\treturn that.canvasY + that.height;\n\t\t};\n\n\t\tthis.getPositionInFrontOf = function  () {\n\t\t\treturn [that.canvasX, that.canvasY + that.height];\n\t\t};\n\n\t\tthis.setSpeed = function (s) {\n\t\t\tthat.speed = s;\n\t\t\tthat.speedX = s;\n\t\t\tthat.speedY = s;\n\t\t};\n\n\t\tthis.incrementSpeedBy = function (s) {\n\t\t\tthat.speed += s;\n\t\t};\n\n\t\tthat.getSpeed = function getSpeed () {\n\t\t\treturn that.speed;\n\t\t};\n\n\t\tthat.getSpeedX = function () {\n\t\t\treturn that.speed;\n\t\t};\n\n\t\tthat.getSpeedY = function () {\n\t\t\treturn that.speed;\n\t\t};\n\n\t\tthis.setHeight = function (h) {\n\t\t\tthat.height = h;\n\t\t};\n\n\t\tthis.setWidth = function (w) {\n\t\t\tthat.width = w;\n\t\t};\n\n\t\tthis.getMaxHeight = function () {\n\t\t\treturn that.maxHeight;\n\t\t};\n\n\t\tthat.getMovingTowardOpposite = function () {\n\t\t\tif (!that.isMoving) {\n\t\t\t\treturn [0, 0];\n\t\t\t}\n\n\t\t\tvar dx = (that.movingToward[0] - that.mapPosition[0]);\n\t\t\tvar dy = (that.movingToward[1] - that.mapPosition[1]);\n\n\t\t\tvar oppositeX = (Math.abs(dx) > 75 ? 0 - dx : 0);\n\t\t\tvar oppositeY = -dy;\n\n\t\t\treturn [ oppositeX, oppositeY ];\n\t\t};\n\n\t\tthis.checkHittableObjects = function () {\n\t\t\tObject.keys(hittableObjects, function (k, objectData) {\n\t\t\t\tif (objectData.object.deleted) {\n\t\t\t\t\tdelete hittableObjects[k];\n\t\t\t\t} else {\n\t\t\t\t\tif (objectData.object.hits(that)) {\n\t\t\t\t\t\tobjectData.callbacks.each(function (callback) {\n\t\t\t\t\t\t\tcallback(that, objectData.object);\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t});\n\t\t};\n\n\t\tthis.cycle = function () {\n\t\t\tthat.checkHittableObjects();\n\n\t\t\tif (trackedSpriteToMoveToward) {\n\t\t\t\tthat.setMapPositionTarget(trackedSpriteToMoveToward.mapPosition[0], trackedSpriteToMoveToward.mapPosition[1], true);\n\t\t\t}\n\n\t\t\tmove();\n\t\t};\n\n\t\tthis.setMapPositionTarget = function (x, y, override) {\n\t\t\tif (override) {\n\t\t\t\tthat.movingWithConviction = false;\n\t\t\t}\n\n\t\t\tif (!that.movingWithConviction) {\n\t\t\t\tif (typeof x === 'undefined') {\n\t\t\t\t\tx = that.movingToward[0];\n\t\t\t\t}\n\n\t\t\t\tif (typeof y === 'undefined') {\n\t\t\t\t\ty = that.movingToward[1];\n\t\t\t\t}\n\n\t\t\t\tthat.movingToward = [ x, y ];\n\n\t\t\t\tthat.movingWithConviction = false;\n\t\t\t}\n\n\t\t\t// that.resetDirection();\n\t\t};\n\n\t\tthis.setDirection = function (angle) {\n\t\t\tif (angle >= 360) {\n\t\t\t\tangle = 360 - angle;\n\t\t\t}\n\t\t\tthat.direction = angle;\n\t\t\tthat.movingToward = undefined;\n\t\t};\n\n\t\tthis.resetDirection = function () {\n\t\t\tthat.direction = undefined;\n\t\t};\n\n\t\tthis.setMapPositionTargetWithConviction = function (cx, cy) {\n\t\t\tthat.setMapPositionTarget(cx, cy);\n\t\t\tthat.movingWithConviction = true;\n\t\t\t// that.resetDirection();\n\t\t};\n\n\t\tthis.follow = function (sprite) {\n\t\t\ttrackedSpriteToMoveToward = sprite;\n\t\t\t// that.resetDirection();\n\t\t};\n\n\t\tthis.stopFollowing = function () {\n\t\t\ttrackedSpriteToMoveToward = false;\n\t\t};\n\n\t\tthis.onHitting = function (objectToHit, callback) {\n\t\t\tif (hittableObjects[objectToHit.id]) {\n\t\t\t\treturn hittableObjects[objectToHit.id].callbacks.push(callback);\n\t\t\t}\n\n\t\t\thittableObjects[objectToHit.id] = {\n\t\t\t\tobject: objectToHit,\n\t\t\t\tcallbacks: [ callback ]\n\t\t\t};\n\t\t};\n\n\t\tthis.deleteOnNextCycle = function () {\n\t\t\tthat.deleted = true;\n\t\t};\n\n\t\tthis.occupiesZIndex = function (z) {\n\t\t\treturn zIndexesOccupied.indexOf(z) >= 0;\n\t\t};\n\n\t\tthis.hits = function (other) {\n\t\t\tvar verticalIntersect = false;\n\t\t\tvar horizontalIntersect = false;\n\n\t\t\t// Test that THIS has a bottom edge inside of the other object\n\t\t\tif (other.getTopHitBoxEdge(that.mapPosition[2]) <= that.getBottomHitBoxEdge(that.mapPosition[2]) && other.getBottomHitBoxEdge(that.mapPosition[2]) >= that.getBottomHitBoxEdge(that.mapPosition[2])) {\n\t\t\t\tverticalIntersect = true;\n\t\t\t}\n\n\t\t\t// Test that THIS has a top edge inside of the other object\n\t\t\tif (other.getTopHitBoxEdge(that.mapPosition[2]) <= that.getTopHitBoxEdge(that.mapPosition[2]) && other.getBottomHitBoxEdge(that.mapPosition[2]) >= that.getTopHitBoxEdge(that.mapPosition[2])) {\n\t\t\t\tverticalIntersect = true;\n\t\t\t}\n\n\t\t\t// Test that THIS has a right edge inside of the other object\n\t\t\tif (other.getLeftHitBoxEdge(that.mapPosition[2]) <= that.getRightHitBoxEdge(that.mapPosition[2]) && other.getRightHitBoxEdge(that.mapPosition[2]) >= that.getRightHitBoxEdge(that.mapPosition[2])) {\n\t\t\t\thorizontalIntersect = true;\n\t\t\t}\n\n\t\t\t// Test that THIS has a left edge inside of the other object\n\t\t\tif (other.getLeftHitBoxEdge(that.mapPosition[2]) <= that.getLeftHitBoxEdge(that.mapPosition[2]) && other.getRightHitBoxEdge(that.mapPosition[2]) >= that.getLeftHitBoxEdge(that.mapPosition[2])) {\n\t\t\t\thorizontalIntersect = true;\n\t\t\t}\n\n\t\t\treturn verticalIntersect && horizontalIntersect;\n\t\t};\n\n\t\tthis.isAboveOnCanvas = function (cy) {\n\t\t\treturn (that.canvasY + that.height) < cy;\n\t\t};\n\n\t\tthis.isBelowOnCanvas = function (cy) {\n\t\t\treturn (that.canvasY) > cy;\n\t\t};\n\n\t\treturn that;\n\t}\n\n\tSprite.createObjects = function createObjects(spriteInfoArray, opts) {\n\t\tif (!Array.isArray(spriteInfoArray)) spriteInfoArray = [ spriteInfoArray ];\n\t\topts = Object.merge(opts, {\n\t\t\trateModifier: 0,\n\t\t\tdropRate: 1,\n\t\t\tposition: [0, 0]\n\t\t}, false, false);\n\n\t\tfunction createOne (spriteInfo) {\n\t\t\tvar position = opts.position;\n\t\t\tif (Number.random(100 + opts.rateModifier) <= spriteInfo.dropRate) {\n\t\t\t\tvar sprite = new Sprite(spriteInfo.sprite);\n\t\t\t\tsprite.setSpeed(0);\n\n\t\t\t\tif (Object.isFunction(position)) {\n\t\t\t\t\tposition = position();\n\t\t\t\t}\n\n\t\t\t\tsprite.setMapPosition(position[0], position[1]);\n\n\t\t\t\tif (spriteInfo.sprite.hitBehaviour && spriteInfo.sprite.hitBehaviour.skier && opts.player) {\n\t\t\t\t\tsprite.onHitting(opts.player, spriteInfo.sprite.hitBehaviour.skier);\n\t\t\t\t}\n\n\t\t\t\treturn sprite;\n\t\t\t}\n\t\t}\n\n\t\tvar objects = spriteInfoArray.map(createOne).remove(undefined);\n\n\t\treturn objects;\n\t};\n\n\tglobal.sprite = Sprite;\n})( this );\n\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.sprite;\n}","(function (global) {\n\tfunction SpriteArray() {\n\t\tthis.pushHandlers = [];\n\n\t\treturn this;\n\t}\n\n\tSpriteArray.prototype = Object.create(Array.prototype);\n\n\tSpriteArray.prototype.onPush = function(f, retroactive) {\n\t\tthis.pushHandlers.push(f);\n\n\t\tif (retroactive) {\n\t\t\tthis.each(f);\n\t\t}\n\t};\n\n\tSpriteArray.prototype.push = function(obj) {\n\t\tArray.prototype.push.call(this, obj);\n\t\tthis.pushHandlers.each(function(handler) {\n\t\t\thandler(obj);\n\t\t});\n\t};\n\n\tSpriteArray.prototype.cull = function() {\n\t\tthis.each(function (obj, i) {\n\t\t\tif (obj.deleted) {\n\t\t\t\treturn (delete this[i]);\n\t\t\t}\n\t\t});\n\t};\n\n\tglobal.spriteArray = SpriteArray;\n})(this);\n\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.spriteArray;\n}","// Global dependencies which return no modules\nrequire('./lib/canvasRenderingContext2DExtensions');\nrequire('./lib/extenders');\nrequire('./lib/plugins');\n\n// External dependencies\nvar Hammer = require('hammerjs');\nvar Mousetrap = require('br-mousetrap');\n\n// Method modules\nvar isMobileDevice = require('./lib/isMobileDevice');\n\n// Game Objects\nvar SpriteArray = require('./lib/spriteArray');\nvar Monster = require('./lib/monster');\nvar Sprite = require('./lib/sprite');\nvar Snowboarder = require('./lib/snowboarder');\nvar Skier = require('./lib/skier');\nvar InfoBox = require('./lib/infoBox');\nvar Game = require('./lib/game');\n\n// Local variables for starting the game\nvar mainCanvas = document.getElementById('skifree-canvas');\nvar dContext = mainCanvas.getContext('2d');\nvar imageSources = [ 'sprite-characters.png', 'skifree-objects.png' ];\nvar global = this;\nvar infoBoxControls = 'Use the mouse or WASD to control the player';\nif (isMobileDevice()) infoBoxControls = 'Tap or drag on the piste to control the player';\nvar sprites = require('./spriteInfo');\n\nvar pixelsPerMetre = 18;\nvar distanceTravelledInMetres = 0;\nvar monsterDistanceThreshold = 2000;\nvar livesLeft = 5;\nvar highScore = 0;\nvar loseLifeOnObstacleHit = false;\nvar dropRates = {smallTree: 4, tallTree: 2, jump: 1, thickSnow: 1, rock: 1};\nif (localStorage.getItem('highScore')) highScore = localStorage.getItem('highScore');\n\nfunction loadImages (sources, next) {\n\tvar loaded = 0;\n\tvar images = {};\n\n\tfunction finish () {\n\t\tloaded += 1;\n\t\tif (loaded === sources.length) {\n\t\t\tnext(images);\n\t\t}\n\t}\n\n\tsources.each(function (src) {\n\t\tvar im = new Image();\n\t\tim.onload = finish;\n\t\tim.src = src;\n\t\tdContext.storeLoadedImage(src, im);\n\t});\n}\n\nfunction monsterHitsSkierBehaviour(monster, skier) {\n\tskier.isEatenBy(monster, function () {\n\t\tlivesLeft -= 1;\n\t\tmonster.isFull = true;\n\t\tmonster.isEating = false;\n\t\tskier.isBeingEaten = false;\n\t\tmonster.setSpeed(skier.getSpeed());\n\t\tmonster.stopFollowing();\n\t\tvar randomPositionAbove = dContext.getRandomMapPositionAboveViewport();\n\t\tmonster.setMapPositionTarget(randomPositionAbove[0], randomPositionAbove[1]);\n\t});\n}\n\nfunction startNeverEndingGame (images) {\n\tvar player;\n\tvar startSign;\n\tvar infoBox;\n\tvar game;\n\n\tfunction resetGame () {\n\t\tdistanceTravelledInMetres = 0;\n\t\tlivesLeft = 5;\n\t\thighScore = localStorage.getItem('highScore');\n\t\tgame.reset();\n\t\tgame.addStaticObject(startSign);\n\t}\n\n\tfunction detectEnd () {\n\t\tif (!game.isPaused()) {\n\t\t\thighScore = localStorage.setItem('highScore', distanceTravelledInMetres);\n\t\t\tinfoBox.setLines([\n\t\t\t\t'Game over!',\n\t\t\t\t'Hit space to restart'\n\t\t\t]);\n\t\t\tgame.pause();\n\t\t\tgame.cycle();\n\t\t}\n\t}\n\n\tfunction randomlySpawnNPC(spawnFunction, dropRate) {\n\t\tvar rateModifier = Math.max(800 - mainCanvas.width, 0);\n\t\tif (Number.random(1000 + rateModifier) <= dropRate) {\n\t\t\tspawnFunction();\n\t\t}\n\t}\n\n\tfunction spawnMonster () {\n\t\tvar newMonster = new Monster(sprites.monster);\n\t\tvar randomPosition = dContext.getRandomMapPositionAboveViewport();\n\t\tnewMonster.setMapPosition(randomPosition[0], randomPosition[1]);\n\t\tnewMonster.follow(player);\n\t\tnewMonster.setSpeed(player.getStandardSpeed());\n\t\tnewMonster.onHitting(player, monsterHitsSkierBehaviour);\n\n\t\tgame.addMovingObject(newMonster, 'monster');\n\t}\n\n\tfunction spawnBoarder () {\n\t\tvar newBoarder = new Snowboarder(sprites.snowboarder);\n\t\tvar randomPositionAbove = dContext.getRandomMapPositionAboveViewport();\n\t\tvar randomPositionBelow = dContext.getRandomMapPositionBelowViewport();\n\t\tnewBoarder.setMapPosition(randomPositionAbove[0], randomPositionAbove[1]);\n\t\tnewBoarder.setMapPositionTarget(randomPositionBelow[0], randomPositionBelow[1]);\n\t\tnewBoarder.onHitting(player, sprites.snowboarder.hitBehaviour.skier);\n\n\t\tgame.addMovingObject(newBoarder);\n\t}\n\n\tplayer = new Skier(sprites.skier);\n\tplayer.setMapPosition(0, 0);\n\tplayer.setMapPositionTarget(0, -10);\n\tif ( loseLifeOnObstacleHit ) {\n\t\tplayer.setHitObstacleCb(function() {\n\t\t\tlivesLeft -= 1;\n\t\t});\n\t}\n\n\tgame = new Game(mainCanvas, player);\n\n\tstartSign = new Sprite(sprites.signStart);\n\tgame.addStaticObject(startSign);\n\tstartSign.setMapPosition(-50, 0);\n\tdContext.followSprite(player);\n\n\tinfoBox = new InfoBox({\n\t\tinitialLines : [\n\t\t\t'SkiFree.js',\n\t\t\tinfoBoxControls,\n\t\t\t'Travelled 0m',\n\t\t\t'High Score: ' + highScore,\n\t\t\t'Skiers left: ' + livesLeft,\n\t\t\t'Created by Dan Hough (@basicallydan)'\n\t\t],\n\t\tposition: {\n\t\t\ttop: 15,\n\t\t\tright: 10\n\t\t}\n\t});\n\n\tgame.beforeCycle(function () {\n\t\tvar newObjects = [];\n\t\tif (player.isMoving) {\n\t\t\tnewObjects = Sprite.createObjects([\n\t\t\t\t{ sprite: sprites.smallTree, dropRate: dropRates.smallTree },\n\t\t\t\t{ sprite: sprites.tallTree, dropRate: dropRates.tallTree },\n\t\t\t\t{ sprite: sprites.jump, dropRate: dropRates.jump },\n\t\t\t\t{ sprite: sprites.thickSnow, dropRate: dropRates.thickSnow },\n\t\t\t\t{ sprite: sprites.rock, dropRate: dropRates.rock },\n\t\t\t], {\n\t\t\t\trateModifier: Math.max(800 - mainCanvas.width, 0),\n\t\t\t\tposition: function () {\n\t\t\t\t\treturn dContext.getRandomMapPositionBelowViewport();\n\t\t\t\t},\n\t\t\t\tplayer: player\n\t\t\t});\n\t\t}\n\t\tif (!game.isPaused()) {\n\t\t\tgame.addStaticObjects(newObjects);\n\n\t\t\trandomlySpawnNPC(spawnBoarder, 0.1);\n\t\t\tdistanceTravelledInMetres = parseFloat(player.getPixelsTravelledDownMountain() / pixelsPerMetre).toFixed(1);\n\n\t\t\tif (distanceTravelledInMetres > monsterDistanceThreshold) {\n\t\t\t\trandomlySpawnNPC(spawnMonster, 0.001);\n\t\t\t}\n\n\t\t\tinfoBox.setLines([\n\t\t\t\t'SkiFree.js',\n\t\t\t\tinfoBoxControls,\n\t\t\t\t'Travelled ' + distanceTravelledInMetres + 'm',\n\t\t\t\t'Skiers left: ' + livesLeft,\n\t\t\t\t'High Score: ' + highScore,\n\t\t\t\t'Created by Dan Hough (@basicallydan)',\n\t\t\t\t'Current Speed: ' + player.getSpeed()/*,\n\t\t\t\t'Skier Map Position: ' + player.mapPosition[0].toFixed(1) + ', ' + player.mapPosition[1].toFixed(1),\n\t\t\t\t'Mouse Map Position: ' + mouseMapPosition[0].toFixed(1) + ', ' + mouseMapPosition[1].toFixed(1)*/\n\t\t\t]);\n\t\t}\n\t});\n\n\tgame.afterCycle(function() {\n\t\tif (livesLeft === 0) {\n\t\t\tdetectEnd();\n\t\t}\n\t});\n\n\tgame.addUIElement(infoBox);\n\t\n\t$(mainCanvas)\n\t.mousemove(function (e) {\n\t\tgame.setMouseX(e.pageX);\n\t\tgame.setMouseY(e.pageY);\n\t\tplayer.resetDirection();\n\t\tplayer.startMovingIfPossible();\n\t})\n\t.bind('click', function (e) {\n\t\tgame.setMouseX(e.pageX);\n\t\tgame.setMouseY(e.pageY);\n\t\tplayer.resetDirection();\n\t\tplayer.startMovingIfPossible();\n\t})\n\t.focus(); // So we can listen to events immediately\n\n\tMousetrap.bind('f', player.speedBoost);\n\tMousetrap.bind('t', player.attemptTrick);\n\tMousetrap.bind(['w', 'up'], function () {\n\t\tplayer.stop();\n\t});\n\tMousetrap.bind(['a', 'left'], function () {\n\t\tif (player.direction === 270) {\n\t\t\tplayer.stepWest();\n\t\t} else {\n\t\t\tplayer.turnWest();\n\t\t}\n\t});\n\tMousetrap.bind(['s', 'down'], function () {\n\t\tplayer.setDirection(180);\n\t\tplayer.startMovingIfPossible();\n\t});\n\tMousetrap.bind(['d', 'right'], function () {\n\t\tif (player.direction === 90) {\n\t\t\tplayer.stepEast();\n\t\t} else {\n\t\t\tplayer.turnEast();\n\t\t}\n\t});\n\tMousetrap.bind('m', spawnMonster);\n\tMousetrap.bind('b', spawnBoarder);\n\tMousetrap.bind('space', resetGame);\n\n\tvar hammertime = Hammer(mainCanvas).on('press', function (e) {\n\t\te.preventDefault();\n\t\tgame.setMouseX(e.center.x);\n\t\tgame.setMouseY(e.center.y);\n\t}).on('tap', function (e) {\n\t\tgame.setMouseX(e.center.x);\n\t\tgame.setMouseY(e.center.y);\n\t}).on('pan', function (e) {\n\t\tgame.setMouseX(e.center.x);\n\t\tgame.setMouseY(e.center.y);\n\t\tplayer.resetDirection();\n\t\tplayer.startMovingIfPossible();\n\t}).on('doubletap', function (e) {\n\t\tplayer.speedBoost();\n\t});\n\n\tplayer.isMoving = false;\n\tplayer.setDirection(270);\n\n\tgame.start();\n}\n\nfunction resizeCanvas() {\n\tmainCanvas.width = window.innerWidth;\n\tmainCanvas.height = window.innerHeight;\n}\n\nwindow.addEventListener('resize', resizeCanvas, false);\n\nresizeCanvas();\n\nloadImages(imageSources, startNeverEndingGame);\n\nthis.exports = window;\n","(function (global) {\n\tvar sprites = {\n\t\t'skier' : {\n\t\t\t$imageFile : 'sprite-characters.png',\n\t\t\tparts : {\n\t\t\t\tblank : [ 0, 0, 0, 0 ],\n\t\t\t\teast : [ 0, 0, 24, 34 ],\n\t\t\t\tesEast : [ 24, 0, 24, 34 ],\n\t\t\t\tsEast : [ 49, 0, 17, 34 ],\n\t\t\t\tsouth : [ 65, 0, 17, 34 ],\n\t\t\t\tsWest : [ 49, 37, 17, 34 ],\n\t\t\t\twsWest : [ 24, 37, 24, 34 ],\n\t\t\t\twest : [ 0, 37, 24, 34 ],\n\t\t\t\thit : [ 0, 78, 31, 31 ],\n\t\t\t\tjumping : [ 84, 0, 32, 34 ],\n\t\t\t\tsomersault1 : [ 116, 0, 32, 34 ],\n\t\t\t\tsomersault2 : [ 148, 0, 32, 34 ]\n\t\t\t},\n\t\t\thitBoxes: {\n\t\t\t\t0: [ 7, 20, 27, 34 ]\n\t\t\t},\n\t\t\tid : 'player',\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'smallTree' : {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts : {\n\t\t\t\tmain : [ 0, 28, 30, 34 ]\n\t\t\t},\n\t\t\thitBoxes: {\n\t\t\t\t0: [ 0, 18, 30, 34 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'tallTree' : {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts : {\n\t\t\t\tmain : [ 95, 66, 32, 64 ]\n\t\t\t},\n\t\t\tzIndexesOccupied : [0, 1],\n\t\t\thitBoxes: {\n\t\t\t\t0: [0, 54, 32, 64],\n\t\t\t\t1: [0, 10, 32, 54]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'thickSnow' : {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts : {\n\t\t\t\tmain : [ 143, 53, 43, 10 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'rock' : {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts : {\n\t\t\t\tmain : [ 30, 52, 23, 11 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'monster' : {\n\t\t\t$imageFile : 'sprite-characters.png',\n\t\t\tparts : {\n\t\t\t\tsEast1 : [ 64, 112, 26, 43 ],\n\t\t\t\tsEast2 : [ 90, 112, 32, 43 ],\n\t\t\t\tsWest1 : [ 64, 158, 26, 43 ],\n\t\t\t\tsWest2 : [ 90, 158, 32, 43 ],\n\t\t\t\teating1 : [ 122, 112, 34, 43 ],\n\t\t\t\teating2 : [ 156, 112, 31, 43 ],\n\t\t\t\teating3 : [ 187, 112, 31, 43 ],\n\t\t\t\teating4 : [ 219, 112, 25, 43 ],\n\t\t\t\teating5 : [ 243, 112, 26, 43 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'jump' : {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts : {\n\t\t\t\tmain : [ 109, 55, 32, 8 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'signStart' : {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts : {\n\t\t\t\tmain : [ 260, 103, 42, 27 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'snowboarder' : {\n\t\t\t$imageFile : 'sprite-characters.png',\n\t\t\tparts : {\n\t\t\t\tsEast : [ 73, 229, 20, 29 ],\n\t\t\t\tsWest : [ 95, 228, 26, 30 ]\n\t\t\t},\n\t\t\thitBehaviour: {}\n\t\t},\n\t\t'emptyChairLift': {\n\t\t\t$imageFile : 'skifree-objects.png',\n\t\t\tparts: {\n\t\t\t\tmain : [ 92, 136, 26, 30 ]\n\t\t\t},\n\t\t\tzIndexesOccupied : [1],\n\t\t}\n\t};\n\n\tfunction monsterHitsTreeBehaviour(monster) {\n\t\tmonster.deleteOnNextCycle();\n\t}\n\n\tsprites.monster.hitBehaviour.tree = monsterHitsTreeBehaviour;\n\n\tfunction treeHitsMonsterBehaviour(tree, monster) {\n\t\tmonster.deleteOnNextCycle();\n\t}\n\n\tsprites.smallTree.hitBehaviour.monster = treeHitsMonsterBehaviour;\n\tsprites.tallTree.hitBehaviour.monster = treeHitsMonsterBehaviour;\n\n\tfunction skierHitsTreeBehaviour(skier, tree) {\n\t\tskier.hasHitObstacle(tree);\n\t}\n\n\tfunction treeHitsSkierBehaviour(tree, skier) {\n\t\tskier.hasHitObstacle(tree);\n\t}\n\n\tsprites.smallTree.hitBehaviour.skier = treeHitsSkierBehaviour;\n\tsprites.tallTree.hitBehaviour.skier = treeHitsSkierBehaviour;\n\n\tfunction rockHitsSkierBehaviour(rock, skier) {\n\t\tskier.hasHitObstacle(rock);\n\t}\n\n\tsprites.rock.hitBehaviour.skier = rockHitsSkierBehaviour;\n\n\tfunction skierHitsJumpBehaviour(skier, jump) {\n\t\tskier.hasHitJump(jump);\n\t}\n\n\tfunction jumpHitsSkierBehaviour(jump, skier) {\n\t\tskier.hasHitJump(jump);\n\t}\n\n\tsprites.jump.hitBehaviour.skier = jumpHitsSkierBehaviour;\n\n// Really not a fan of this behaviour.\n/*\tfunction skierHitsThickSnowBehaviour(skier, thickSnow) {\n\t\t// Need to implement this properly\n\t\tskier.setSpeed(2);\n\t\tsetTimeout(function() {\n\t\t\tskier.resetSpeed();\n\t\t}, 700);\n\t}\n\n\tfunction thickSnowHitsSkierBehaviour(thickSnow, skier) {\n\t\t// Need to implement this properly\n\t\tskier.setSpeed(2);\n\t\tsetTimeout(function() {\n\t\t\tskier.resetSpeed();\n\t\t}, 300);\n\t}*/\n\n\t// sprites.thickSnow.hitBehaviour.skier = thickSnowHitsSkierBehaviour;\n\n\tfunction snowboarderHitsSkierBehaviour(snowboarder, skier) {\n\t\tskier.hasHitObstacle(snowboarder);\n\t}\n\n\tsprites.snowboarder.hitBehaviour.skier = snowboarderHitsSkierBehaviour;\n\n\tglobal.spriteInfo = sprites;\n})( this );\n\n\nif (typeof module !== 'undefined') {\n\tmodule.exports = this.spriteInfo;\n}","/**\n * Copyright 2012 Craig Campbell\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n * Mousetrap is a simple keyboard shortcut library for Javascript with\n * no external dependencies\n *\n * @version 1.1.3\n * @url craig.is/killing/mice\n */\n(function() {\n\n    /**\n     * mapping of special keycodes to their corresponding keys\n     *\n     * everything in this dictionary cannot use keypress events\n     * so it has to be here to map to the correct keycodes for\n     * keyup/keydown events\n     *\n     * @type {Object}\n     */\n    var _MAP = {\n            8: 'backspace',\n            9: 'tab',\n            13: 'enter',\n            16: 'shift',\n            17: 'ctrl',\n            18: 'alt',\n            20: 'capslock',\n            27: 'esc',\n            32: 'space',\n            33: 'pageup',\n            34: 'pagedown',\n            35: 'end',\n            36: 'home',\n            37: 'left',\n            38: 'up',\n            39: 'right',\n            40: 'down',\n            45: 'ins',\n            46: 'del',\n            91: 'meta',\n            93: 'meta',\n            224: 'meta'\n        },\n\n        /**\n         * mapping for special characters so they can support\n         *\n         * this dictionary is only used incase you want to bind a\n         * keyup or keydown event to one of these keys\n         *\n         * @type {Object}\n         */\n        _KEYCODE_MAP = {\n            106: '*',\n            107: '+',\n            109: '-',\n            110: '.',\n            111 : '/',\n            186: ';',\n            187: '=',\n            188: ',',\n            189: '-',\n            190: '.',\n            191: '/',\n            192: '`',\n            219: '[',\n            220: '\\\\',\n            221: ']',\n            222: '\\''\n        },\n\n        /**\n         * this is a mapping of keys that require shift on a US keypad\n         * back to the non shift equivelents\n         *\n         * this is so you can use keyup events with these keys\n         *\n         * note that this will only work reliably on US keyboards\n         *\n         * @type {Object}\n         */\n        _SHIFT_MAP = {\n            '~': '`',\n            '!': '1',\n            '@': '2',\n            '#': '3',\n            '$': '4',\n            '%': '5',\n            '^': '6',\n            '&': '7',\n            '*': '8',\n            '(': '9',\n            ')': '0',\n            '_': '-',\n            '+': '=',\n            ':': ';',\n            '\\\"': '\\'',\n            '<': ',',\n            '>': '.',\n            '?': '/',\n            '|': '\\\\'\n        },\n\n        /**\n         * this is a list of special strings you can use to map\n         * to modifier keys when you specify your keyboard shortcuts\n         *\n         * @type {Object}\n         */\n        _SPECIAL_ALIASES = {\n            'option': 'alt',\n            'command': 'meta',\n            'return': 'enter',\n            'escape': 'esc'\n        },\n\n        /**\n         * variable to store the flipped version of _MAP from above\n         * needed to check if we should use keypress or not when no action\n         * is specified\n         *\n         * @type {Object|undefined}\n         */\n        _REVERSE_MAP,\n\n        /**\n         * a list of all the callbacks setup via Mousetrap.bind()\n         *\n         * @type {Object}\n         */\n        _callbacks = {},\n\n        /**\n         * direct map of string combinations to callbacks used for trigger()\n         *\n         * @type {Object}\n         */\n        _direct_map = {},\n\n        /**\n         * keeps track of what level each sequence is at since multiple\n         * sequences can start out with the same sequence\n         *\n         * @type {Object}\n         */\n        _sequence_levels = {},\n\n        /**\n         * variable to store the setTimeout call\n         *\n         * @type {null|number}\n         */\n        _reset_timer,\n\n        /**\n         * temporary state where we will ignore the next keyup\n         *\n         * @type {boolean|string}\n         */\n        _ignore_next_keyup = false,\n\n        /**\n         * are we currently inside of a sequence?\n         * type of action (\"keyup\" or \"keydown\" or \"keypress\") or false\n         *\n         * @type {boolean|string}\n         */\n        _inside_sequence = false;\n\n    /**\n     * loop through the f keys, f1 to f19 and add them to the map\n     * programatically\n     */\n    for (var i = 1; i < 20; ++i) {\n        _MAP[111 + i] = 'f' + i;\n    }\n\n    /**\n     * loop through to map numbers on the numeric keypad\n     */\n    for (i = 0; i <= 9; ++i) {\n        _MAP[i + 96] = i;\n    }\n\n    /**\n     * cross browser add event method\n     *\n     * @param {Element|HTMLDocument} object\n     * @param {string} type\n     * @param {Function} callback\n     * @returns void\n     */\n    function _addEvent(object, type, callback) {\n        if (object.addEventListener) {\n            object.addEventListener(type, callback, false);\n            return;\n        }\n\n        object.attachEvent('on' + type, callback);\n    }\n\n    /**\n     * takes the event and returns the key character\n     *\n     * @param {Event} e\n     * @return {string}\n     */\n    function _characterFromEvent(e) {\n\n        // for keypress events we should return the character as is\n        if (e.type == 'keypress') {\n            return String.fromCharCode(e.which);\n        }\n\n        // for non keypress events the special maps are needed\n        if (_MAP[e.which]) {\n            return _MAP[e.which];\n        }\n\n        if (_KEYCODE_MAP[e.which]) {\n            return _KEYCODE_MAP[e.which];\n        }\n\n        // if it is not in the special map\n        return String.fromCharCode(e.which).toLowerCase();\n    }\n\n    /**\n     * checks if two arrays are equal\n     *\n     * @param {Array} modifiers1\n     * @param {Array} modifiers2\n     * @returns {boolean}\n     */\n    function _modifiersMatch(modifiers1, modifiers2) {\n        return modifiers1.sort().join(',') === modifiers2.sort().join(',');\n    }\n\n    /**\n     * resets all sequence counters except for the ones passed in\n     *\n     * @param {Object} do_not_reset\n     * @returns void\n     */\n    function _resetSequences(do_not_reset) {\n        do_not_reset = do_not_reset || {};\n\n        var active_sequences = false,\n            key;\n\n        for (key in _sequence_levels) {\n            if (do_not_reset[key]) {\n                active_sequences = true;\n                continue;\n            }\n            _sequence_levels[key] = 0;\n        }\n\n        if (!active_sequences) {\n            _inside_sequence = false;\n        }\n    }\n\n    /**\n     * finds all callbacks that match based on the keycode, modifiers,\n     * and action\n     *\n     * @param {string} character\n     * @param {Array} modifiers\n     * @param {Event|Object} e\n     * @param {boolean=} remove - should we remove any matches\n     * @param {string=} combination\n     * @returns {Array}\n     */\n    function _getMatches(character, modifiers, e, remove, combination) {\n        var i,\n            callback,\n            matches = [],\n            action = e.type;\n\n        // if there are no events related to this keycode\n        if (!_callbacks[character]) {\n            return [];\n        }\n\n        // if a modifier key is coming up on its own we should allow it\n        if (action == 'keyup' && _isModifier(character)) {\n            modifiers = [character];\n        }\n\n        // loop through all callbacks for the key that was pressed\n        // and see if any of them match\n        for (i = 0; i < _callbacks[character].length; ++i) {\n            callback = _callbacks[character][i];\n\n            // if this is a sequence but it is not at the right level\n            // then move onto the next match\n            if (callback.seq && _sequence_levels[callback.seq] != callback.level) {\n                continue;\n            }\n\n            // if the action we are looking for doesn't match the action we got\n            // then we should keep going\n            if (action != callback.action) {\n                continue;\n            }\n\n            // if this is a keypress event and the meta key and control key\n            // are not pressed that means that we need to only look at the\n            // character, otherwise check the modifiers as well\n            //\n            // chrome will not fire a keypress if meta or control is down\n            // safari will fire a keypress if meta or meta+shift is down\n            // firefox will fire a keypress if meta or control is down\n            if ((action == 'keypress' && !e.metaKey && !e.ctrlKey) || _modifiersMatch(modifiers, callback.modifiers)) {\n\n                // remove is used so if you change your mind and call bind a\n                // second time with a new function the first one is overwritten\n                if (remove && callback.combo == combination) {\n                    _callbacks[character].splice(i, 1);\n                }\n\n                matches.push(callback);\n            }\n        }\n\n        return matches;\n    }\n\n    /**\n     * takes a key event and figures out what the modifiers are\n     *\n     * @param {Event} e\n     * @returns {Array}\n     */\n    function _eventModifiers(e) {\n        var modifiers = [];\n\n        if (e.shiftKey) {\n            modifiers.push('shift');\n        }\n\n        if (e.altKey) {\n            modifiers.push('alt');\n        }\n\n        if (e.ctrlKey) {\n            modifiers.push('ctrl');\n        }\n\n        if (e.metaKey) {\n            modifiers.push('meta');\n        }\n\n        return modifiers;\n    }\n\n    /**\n     * actually calls the callback function\n     *\n     * if your callback function returns false this will use the jquery\n     * convention - prevent default and stop propogation on the event\n     *\n     * @param {Function} callback\n     * @param {Event} e\n     * @returns void\n     */\n    function _fireCallback(callback, e) {\n        if (callback(e) === false) {\n            if (e.preventDefault) {\n                e.preventDefault();\n            }\n\n            if (e.stopPropagation) {\n                e.stopPropagation();\n            }\n\n            e.returnValue = false;\n            e.cancelBubble = true;\n        }\n    }\n\n    /**\n     * handles a character key event\n     *\n     * @param {string} character\n     * @param {Event} e\n     * @returns void\n     */\n    function _handleCharacter(character, e) {\n\n        // if this event should not happen stop here\n        if (Mousetrap.stopCallback(e, e.target || e.srcElement)) {\n            return;\n        }\n\n        var callbacks = _getMatches(character, _eventModifiers(e), e),\n            i,\n            do_not_reset = {},\n            processed_sequence_callback = false;\n\n        // loop through matching callbacks for this key event\n        for (i = 0; i < callbacks.length; ++i) {\n\n            // fire for all sequence callbacks\n            // this is because if for example you have multiple sequences\n            // bound such as \"g i\" and \"g t\" they both need to fire the\n            // callback for matching g cause otherwise you can only ever\n            // match the first one\n            if (callbacks[i].seq) {\n                processed_sequence_callback = true;\n\n                // keep a list of which sequences were matches for later\n                do_not_reset[callbacks[i].seq] = 1;\n                _fireCallback(callbacks[i].callback, e);\n                continue;\n            }\n\n            // if there were no sequence matches but we are still here\n            // that means this is a regular match so we should fire that\n            if (!processed_sequence_callback && !_inside_sequence) {\n                _fireCallback(callbacks[i].callback, e);\n            }\n        }\n\n        // if you are inside of a sequence and the key you are pressing\n        // is not a modifier key then we should reset all sequences\n        // that were not matched by this key event\n        if (e.type == _inside_sequence && !_isModifier(character)) {\n            _resetSequences(do_not_reset);\n        }\n    }\n\n    /**\n     * handles a keydown event\n     *\n     * @param {Event} e\n     * @returns void\n     */\n    function _handleKey(e) {\n\n        // normalize e.which for key events\n        // @see http://stackoverflow.com/questions/4285627/javascript-keycode-vs-charcode-utter-confusion\n        e.which = typeof e.which == \"number\" ? e.which : e.keyCode;\n\n        var character = _characterFromEvent(e);\n\n        // no character found then stop\n        if (!character) {\n            return;\n        }\n\n        if (e.type == 'keyup' && _ignore_next_keyup == character) {\n            _ignore_next_keyup = false;\n            return;\n        }\n\n        _handleCharacter(character, e);\n    }\n\n    /**\n     * determines if the keycode specified is a modifier key or not\n     *\n     * @param {string} key\n     * @returns {boolean}\n     */\n    function _isModifier(key) {\n        return key == 'shift' || key == 'ctrl' || key == 'alt' || key == 'meta';\n    }\n\n    /**\n     * called to set a 1 second timeout on the specified sequence\n     *\n     * this is so after each key press in the sequence you have 1 second\n     * to press the next key before you have to start over\n     *\n     * @returns void\n     */\n    function _resetSequenceTimer() {\n        clearTimeout(_reset_timer);\n        _reset_timer = setTimeout(_resetSequences, 1000);\n    }\n\n    /**\n     * reverses the map lookup so that we can look for specific keys\n     * to see what can and can't use keypress\n     *\n     * @return {Object}\n     */\n    function _getReverseMap() {\n        if (!_REVERSE_MAP) {\n            _REVERSE_MAP = {};\n            for (var key in _MAP) {\n\n                // pull out the numeric keypad from here cause keypress should\n                // be able to detect the keys from the character\n                if (key > 95 && key < 112) {\n                    continue;\n                }\n\n                if (_MAP.hasOwnProperty(key)) {\n                    _REVERSE_MAP[_MAP[key]] = key;\n                }\n            }\n        }\n        return _REVERSE_MAP;\n    }\n\n    /**\n     * picks the best action based on the key combination\n     *\n     * @param {string} key - character for key\n     * @param {Array} modifiers\n     * @param {string=} action passed in\n     */\n    function _pickBestAction(key, modifiers, action) {\n\n        // if no action was picked in we should try to pick the one\n        // that we think would work best for this key\n        if (!action) {\n            action = _getReverseMap()[key] ? 'keydown' : 'keypress';\n        }\n\n        // modifier keys don't work as expected with keypress,\n        // switch to keydown\n        if (action == 'keypress' && modifiers.length) {\n            action = 'keydown';\n        }\n\n        return action;\n    }\n\n    /**\n     * binds a key sequence to an event\n     *\n     * @param {string} combo - combo specified in bind call\n     * @param {Array} keys\n     * @param {Function} callback\n     * @param {string=} action\n     * @returns void\n     */\n    function _bindSequence(combo, keys, callback, action) {\n\n        // start off by adding a sequence level record for this combination\n        // and setting the level to 0\n        _sequence_levels[combo] = 0;\n\n        // if there is no action pick the best one for the first key\n        // in the sequence\n        if (!action) {\n            action = _pickBestAction(keys[0], []);\n        }\n\n        /**\n         * callback to increase the sequence level for this sequence and reset\n         * all other sequences that were active\n         *\n         * @param {Event} e\n         * @returns void\n         */\n        var _increaseSequence = function(e) {\n                _inside_sequence = action;\n                ++_sequence_levels[combo];\n                _resetSequenceTimer();\n            },\n\n            /**\n             * wraps the specified callback inside of another function in order\n             * to reset all sequence counters as soon as this sequence is done\n             *\n             * @param {Event} e\n             * @returns void\n             */\n            _callbackAndReset = function(e) {\n                _fireCallback(callback, e);\n\n                // we should ignore the next key up if the action is key down\n                // or keypress.  this is so if you finish a sequence and\n                // release the key the final key will not trigger a keyup\n                if (action !== 'keyup') {\n                    _ignore_next_keyup = _characterFromEvent(e);\n                }\n\n                // weird race condition if a sequence ends with the key\n                // another sequence begins with\n                setTimeout(_resetSequences, 10);\n            },\n            i;\n\n        // loop through keys one at a time and bind the appropriate callback\n        // function.  for any key leading up to the final one it should\n        // increase the sequence. after the final, it should reset all sequences\n        for (i = 0; i < keys.length; ++i) {\n            _bindSingle(keys[i], i < keys.length - 1 ? _increaseSequence : _callbackAndReset, action, combo, i);\n        }\n    }\n\n    /**\n     * binds a single keyboard combination\n     *\n     * @param {string} combination\n     * @param {Function} callback\n     * @param {string=} action\n     * @param {string=} sequence_name - name of sequence if part of sequence\n     * @param {number=} level - what part of the sequence the command is\n     * @returns void\n     */\n    function _bindSingle(combination, callback, action, sequence_name, level) {\n\n        // make sure multiple spaces in a row become a single space\n        combination = combination.replace(/\\s+/g, ' ');\n\n        var sequence = combination.split(' '),\n            i,\n            key,\n            keys,\n            modifiers = [];\n\n        // if this pattern is a sequence of keys then run through this method\n        // to reprocess each pattern one key at a time\n        if (sequence.length > 1) {\n            _bindSequence(combination, sequence, callback, action);\n            return;\n        }\n\n        // take the keys from this pattern and figure out what the actual\n        // pattern is all about\n        keys = combination === '+' ? ['+'] : combination.split('+');\n\n        for (i = 0; i < keys.length; ++i) {\n            key = keys[i];\n\n            // normalize key names\n            if (_SPECIAL_ALIASES[key]) {\n                key = _SPECIAL_ALIASES[key];\n            }\n\n            // if this is not a keypress event then we should\n            // be smart about using shift keys\n            // this will only work for US keyboards however\n            if (action && action != 'keypress' && _SHIFT_MAP[key]) {\n                key = _SHIFT_MAP[key];\n                modifiers.push('shift');\n            }\n\n            // if this key is a modifier then add it to the list of modifiers\n            if (_isModifier(key)) {\n                modifiers.push(key);\n            }\n        }\n\n        // depending on what the key combination is\n        // we will try to pick the best event for it\n        action = _pickBestAction(key, modifiers, action);\n\n        // make sure to initialize array if this is the first time\n        // a callback is added for this key\n        if (!_callbacks[key]) {\n            _callbacks[key] = [];\n        }\n\n        // remove an existing match if there is one\n        _getMatches(key, modifiers, {type: action}, !sequence_name, combination);\n\n        // add this call back to the array\n        // if it is a sequence put it at the beginning\n        // if not put it at the end\n        //\n        // this is important because the way these are processed expects\n        // the sequence ones to come first\n        _callbacks[key][sequence_name ? 'unshift' : 'push']({\n            callback: callback,\n            modifiers: modifiers,\n            action: action,\n            seq: sequence_name,\n            level: level,\n            combo: combination\n        });\n    }\n\n    /**\n     * binds multiple combinations to the same callback\n     *\n     * @param {Array} combinations\n     * @param {Function} callback\n     * @param {string|undefined} action\n     * @returns void\n     */\n    function _bindMultiple(combinations, callback, action) {\n        for (var i = 0; i < combinations.length; ++i) {\n            _bindSingle(combinations[i], callback, action);\n        }\n    }\n\n    // start!\n    _addEvent(document, 'keypress', _handleKey);\n    _addEvent(document, 'keydown', _handleKey);\n    _addEvent(document, 'keyup', _handleKey);\n\n    var Mousetrap = {\n\n        /**\n         * binds an event to mousetrap\n         *\n         * can be a single key, a combination of keys separated with +,\n         * an array of keys, or a sequence of keys separated by spaces\n         *\n         * be sure to list the modifier keys first to make sure that the\n         * correct key ends up getting bound (the last key in the pattern)\n         *\n         * @param {string|Array} keys\n         * @param {Function} callback\n         * @param {string=} action - 'keypress', 'keydown', or 'keyup'\n         * @returns void\n         */\n        bind: function(keys, callback, action) {\n            _bindMultiple(keys instanceof Array ? keys : [keys], callback, action);\n            _direct_map[keys + ':' + action] = callback;\n            return this;\n        },\n\n        /**\n         * unbinds an event to mousetrap\n         *\n         * the unbinding sets the callback function of the specified key combo\n         * to an empty function and deletes the corresponding key in the\n         * _direct_map dict.\n         *\n         * the keycombo+action has to be exactly the same as\n         * it was defined in the bind method\n         *\n         * TODO: actually remove this from the _callbacks dictionary instead\n         * of binding an empty function\n         *\n         * @param {string|Array} keys\n         * @param {string} action\n         * @returns void\n         */\n        unbind: function(keys, action) {\n            if (_direct_map[keys + ':' + action]) {\n                delete _direct_map[keys + ':' + action];\n                this.bind(keys, function() {}, action);\n            }\n            return this;\n        },\n\n        /**\n         * triggers an event that has already been bound\n         *\n         * @param {string} keys\n         * @param {string=} action\n         * @returns void\n         */\n        trigger: function(keys, action) {\n            _direct_map[keys + ':' + action]();\n            return this;\n        },\n\n        /**\n         * resets the library back to its initial state.  this is useful\n         * if you want to clear out the current keyboard shortcuts and bind\n         * new ones - for example if you switch to another page\n         *\n         * @returns void\n         */\n        reset: function() {\n            _callbacks = {};\n            _direct_map = {};\n            return this;\n        },\n\n       /**\n        * should we stop this event before firing off callbacks\n        *\n        * @param {Event} e\n        * @param {Element} element\n        * @return {boolean}\n        */\n        stopCallback: function(e, element) {\n\n            // if the element has the class \"mousetrap\" then no need to stop\n            if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) {\n                return false;\n            }\n\n            // stop for input, select, and textarea\n            return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || (element.contentEditable && element.contentEditable == 'true');\n        }\n    };\n\n    // expose mousetrap to the global object\n    window.Mousetrap = Mousetrap;\n\n    // expose mousetrap as an AMD module\n    if (typeof define == 'function' && define.amd) {\n        define('mousetrap', function() { return Mousetrap; });\n    }\n    // browserify support\n    if(typeof module === 'object' && module.exports) {\n        module.exports = Mousetrap;\n    }\n}) ();\n","(function (global){\n(function() {\n    var root = this;\n    var EventEmitter = require('events').EventEmitter;\n\tvar _ = require('underscore');\n\tvar intervalParser = /([0-9\\.]+)(ms|s|m|h)?/;\n\tvar root = global || window;\n\n\t// Lil bit of useful polyfill...\n\tif (typeof(Function.prototype.inherits) === 'undefined') {\n\t\tFunction.prototype.inherits = function(parent) {\n\t\t\tthis.prototype = Object.create(parent.prototype);\n\t\t};\n\t}\n\n\tif (typeof(Array.prototype.removeOne) === 'undefined') {\n\t\tArray.prototype.removeOne = function() {\n\t\t\tvar what, a = arguments, L = a.length, ax;\n\t\t\twhile (L && this.length) {\n\t\t\t\twhat = a[--L];\n\t\t\t\twhile ((ax = this.indexOf(what)) !== -1) {\n\t\t\t\t\treturn this.splice(ax, 1);\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n\n\tfunction greatestCommonFactor(intervals) {\n\t\tvar sumOfModuli = 1;\n\t\tvar interval = _.min(intervals);\n\t\twhile (sumOfModuli !== 0) {\n\t\t\tsumOfModuli = _.reduce(intervals, function(memo, i){ return memo + (i % interval); }, 0);\n\t\t\tif (sumOfModuli !== 0) {\n\t\t\t\tinterval -= 10;\n\t\t\t}\n\t\t}\n\t\treturn interval;\n\t}\n\n\tfunction parseEvent(e) {\n\t\tvar intervalGroups = intervalParser.exec(e);\n\t\tif (!intervalGroups) {\n\t\t\tthrow new Error('I don\\'t understand that particular interval');\n\t\t}\n\t\tvar intervalAmount = +intervalGroups[1];\n\t\tvar intervalType = intervalGroups[2] || 'ms';\n\t\tif (intervalType === 's') {\n\t\t\tintervalAmount = intervalAmount * 1000;\n\t\t} else if (intervalType === 'm') {\n\t\t\tintervalAmount = intervalAmount * 1000 * 60;\n\t\t} else if (intervalType === 'h') {\n\t\t\tintervalAmount = intervalAmount * 1000 * 60 * 60;\n\t\t} else if (!!intervalType && intervalType !== 'ms') {\n\t\t\tthrow new Error('You can only specify intervals of ms, s, m, or h');\n\t\t}\n\t\tif (intervalAmount < 10 || intervalAmount % 10 !== 0) {\n\t\t\t// We only deal in 10's of milliseconds for simplicity\n\t\t\tthrow new Error('You can only specify 10s of milliseconds, trust me on this one');\n\t\t}\n\t\treturn {\n\t\t\tamount:intervalAmount,\n\t\t\ttype:intervalType\n\t\t};\n\t}\n\n\tfunction EventedLoop() {\n\t\tthis.intervalId = undefined;\n\t\tthis.intervalLength = undefined;\n\t\tthis.intervalsToEmit = {};\n\t\tthis.currentTick = 1;\n\t\tthis.maxTicks = 0;\n\t\tthis.listeningForFocus = false;\n\n\t\t// Private method\n\t\tvar determineIntervalLength = function () {\n\t\t\tvar potentialIntervalLength = greatestCommonFactor(_.keys(this.intervalsToEmit));\n\t\t\tvar changed = false;\n\n\t\t\tif (this.intervalLength) {\n\t\t\t\tif (potentialIntervalLength !== this.intervalLength) {\n\t\t\t\t\t// Looks like we need a new interval\n\t\t\t\t\tthis.intervalLength = potentialIntervalLength;\n\t\t\t\t\tchanged = true;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tthis.intervalLength = potentialIntervalLength;\n\t\t\t}\n\n\t\t\tthis.maxTicks = _.max(_.map(_.keys(this.intervalsToEmit), function(a) { return +a; })) / this.intervalLength;\n\t\t\treturn changed;\n\t\t}.bind(this);\n\n\t\tthis.on('newListener', function (e) {\n\t\t\tif (e === 'removeListener' || e === 'newListener') return; // We don't care about that one\n\t\t\tvar intervalInfo = parseEvent(e);\n\t\t\tvar intervalAmount = intervalInfo.amount;\n\n\t\t\tthis.intervalsToEmit[+intervalAmount] = _.union(this.intervalsToEmit[+intervalAmount] || [], [e]);\n\t\t\t\n\t\t\tif (determineIntervalLength() && this.isStarted()) {\n\t\t\t\tthis.stop().start();\n\t\t\t}\n\t\t});\n\n\t\tthis.on('removeListener', function (e) {\n\t\t\tif (EventEmitter.listenerCount(this, e) > 0) return;\n\t\t\tvar intervalInfo = parseEvent(e);\n\t\t\tvar intervalAmount = intervalInfo.amount;\n\n\t\t\tvar removedEvent = this.intervalsToEmit[+intervalAmount].removeOne(e);\n\t\t\tif (this.intervalsToEmit[+intervalAmount].length === 0) {\n\t\t\t\tdelete this.intervalsToEmit[+intervalAmount];\n\t\t\t}\n\t\t\tconsole.log('Determining interval length after removal of', removedEvent);\n\t\t\tdetermineIntervalLength();\n\n\t\t\tif (determineIntervalLength() && this.isStarted()) {\n\t\t\t\tthis.stop().start();\n\t\t\t}\n\t\t});\n\t}\n\n\tEventedLoop.inherits(EventEmitter);\n\n\t// Public methods\n\tEventedLoop.prototype.tick = function () {\n\t\tvar milliseconds = this.currentTick * this.intervalLength;\n\t\t_.each(this.intervalsToEmit, function (events, key) {\n\t\t\tif (milliseconds % key === 0) {\n\t\t\t\t_.each(events, function(e) { this.emit(e, e, key); }.bind(this));\n\t\t\t}\n\t\t}.bind(this));\n\t\tthis.currentTick += 1;\n\t\tif (this.currentTick > this.maxTicks) {\n\t\t\tthis.currentTick = 1;\n\t\t}\n\t\treturn this;\n\t};\n\n\tEventedLoop.prototype.start = function () {\n\t\tif (!this.intervalLength) {\n\t\t\tthrow new Error('You haven\\'t specified any interval callbacks. Use EventedLoop.on(\\'500ms\\', function () { ... }) to do so, and then you can start');\n\t\t}\n\t\tif (this.intervalId) {\n\t\t\treturn console.log('No need to start the loop again, it\\'s already started.');\n\t\t}\n\n\t\tthis.intervalId = setInterval(this.tick.bind(this), this.intervalLength);\n\n\t\tif (root && !this.listeningForFocus && root.addEventListener) {\n\t\t\troot.addEventListener('focus', function() {\n\t\t\t\tthis.start();\n\t\t\t}.bind(this));\n\n\t\t\troot.addEventListener('blur', function() {\n\t\t\t\tthis.stop();\n\t\t\t}.bind(this));\n\n\t\t\tthis.listeningForFocus = true;\n\t\t}\n\t\treturn this;\n\t};\n\n\tEventedLoop.prototype.stop = function () {\n\t\tclearInterval(this.intervalId);\n\t\tthis.intervalId = undefined;\n\t\treturn this;\n\t};\n\n\tEventedLoop.prototype.isStarted = function () {\n\t\treturn !!this.intervalId;\n\t};\n\n\tEventedLoop.prototype.every = EventedLoop.prototype.on;\n\n    // Export the EventedLoop object for **Node.js** or other\n    // commonjs systems. Otherwise, add it as a global object to the root\n    if (typeof exports !== 'undefined') {\n        if (typeof module !== 'undefined' && module.exports) {\n            exports = module.exports = EventedLoop;\n        }\n        exports.EventedLoop = EventedLoop;\n    }\n    if (typeof window !== 'undefined') {\n        window.EventedLoop = EventedLoop;\n    }\n}).call(this);\n}).call(this,typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})","//     Underscore.js 1.6.0\n//     http://underscorejs.org\n//     (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n//     Underscore may be freely distributed under the MIT license.\n\n(function() {\n\n  // Baseline setup\n  // --------------\n\n  // Establish the root object, `window` in the browser, or `exports` on the server.\n  var root = this;\n\n  // Save the previous value of the `_` variable.\n  var previousUnderscore = root._;\n\n  // Establish the object that gets returned to break out of a loop iteration.\n  var breaker = {};\n\n  // Save bytes in the minified (but not gzipped) version:\n  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;\n\n  // Create quick reference variables for speed access to core prototypes.\n  var\n    push             = ArrayProto.push,\n    slice            = ArrayProto.slice,\n    concat           = ArrayProto.concat,\n    toString         = ObjProto.toString,\n    hasOwnProperty   = ObjProto.hasOwnProperty;\n\n  // All **ECMAScript 5** native function implementations that we hope to use\n  // are declared here.\n  var\n    nativeForEach      = ArrayProto.forEach,\n    nativeMap          = ArrayProto.map,\n    nativeReduce       = ArrayProto.reduce,\n    nativeReduceRight  = ArrayProto.reduceRight,\n    nativeFilter       = ArrayProto.filter,\n    nativeEvery        = ArrayProto.every,\n    nativeSome         = ArrayProto.some,\n    nativeIndexOf      = ArrayProto.indexOf,\n    nativeLastIndexOf  = ArrayProto.lastIndexOf,\n    nativeIsArray      = Array.isArray,\n    nativeKeys         = Object.keys,\n    nativeBind         = FuncProto.bind;\n\n  // Create a safe reference to the Underscore object for use below.\n  var _ = function(obj) {\n    if (obj instanceof _) return obj;\n    if (!(this instanceof _)) return new _(obj);\n    this._wrapped = obj;\n  };\n\n  // Export the Underscore object for **Node.js**, with\n  // backwards-compatibility for the old `require()` API. If we're in\n  // the browser, add `_` as a global object via a string identifier,\n  // for Closure Compiler \"advanced\" mode.\n  if (typeof exports !== 'undefined') {\n    if (typeof module !== 'undefined' && module.exports) {\n      exports = module.exports = _;\n    }\n    exports._ = _;\n  } else {\n    root._ = _;\n  }\n\n  // Current version.\n  _.VERSION = '1.6.0';\n\n  // Collection Functions\n  // --------------------\n\n  // The cornerstone, an `each` implementation, aka `forEach`.\n  // Handles objects with the built-in `forEach`, arrays, and raw objects.\n  // Delegates to **ECMAScript 5**'s native `forEach` if available.\n  var each = _.each = _.forEach = function(obj, iterator, context) {\n    if (obj == null) return obj;\n    if (nativeForEach && obj.forEach === nativeForEach) {\n      obj.forEach(iterator, context);\n    } else if (obj.length === +obj.length) {\n      for (var i = 0, length = obj.length; i < length; i++) {\n        if (iterator.call(context, obj[i], i, obj) === breaker) return;\n      }\n    } else {\n      var keys = _.keys(obj);\n      for (var i = 0, length = keys.length; i < length; i++) {\n        if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;\n      }\n    }\n    return obj;\n  };\n\n  // Return the results of applying the iterator to each element.\n  // Delegates to **ECMAScript 5**'s native `map` if available.\n  _.map = _.collect = function(obj, iterator, context) {\n    var results = [];\n    if (obj == null) return results;\n    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);\n    each(obj, function(value, index, list) {\n      results.push(iterator.call(context, value, index, list));\n    });\n    return results;\n  };\n\n  var reduceError = 'Reduce of empty array with no initial value';\n\n  // **Reduce** builds up a single result from a list of values, aka `inject`,\n  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.\n  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {\n    var initial = arguments.length > 2;\n    if (obj == null) obj = [];\n    if (nativeReduce && obj.reduce === nativeReduce) {\n      if (context) iterator = _.bind(iterator, context);\n      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);\n    }\n    each(obj, function(value, index, list) {\n      if (!initial) {\n        memo = value;\n        initial = true;\n      } else {\n        memo = iterator.call(context, memo, value, index, list);\n      }\n    });\n    if (!initial) throw new TypeError(reduceError);\n    return memo;\n  };\n\n  // The right-associative version of reduce, also known as `foldr`.\n  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.\n  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {\n    var initial = arguments.length > 2;\n    if (obj == null) obj = [];\n    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {\n      if (context) iterator = _.bind(iterator, context);\n      return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);\n    }\n    var length = obj.length;\n    if (length !== +length) {\n      var keys = _.keys(obj);\n      length = keys.length;\n    }\n    each(obj, function(value, index, list) {\n      index = keys ? keys[--length] : --length;\n      if (!initial) {\n        memo = obj[index];\n        initial = true;\n      } else {\n        memo = iterator.call(context, memo, obj[index], index, list);\n      }\n    });\n    if (!initial) throw new TypeError(reduceError);\n    return memo;\n  };\n\n  // Return the first value which passes a truth test. Aliased as `detect`.\n  _.find = _.detect = function(obj, predicate, context) {\n    var result;\n    any(obj, function(value, index, list) {\n      if (predicate.call(context, value, index, list)) {\n        result = value;\n        return true;\n      }\n    });\n    return result;\n  };\n\n  // Return all the elements that pass a truth test.\n  // Delegates to **ECMAScript 5**'s native `filter` if available.\n  // Aliased as `select`.\n  _.filter = _.select = function(obj, predicate, context) {\n    var results = [];\n    if (obj == null) return results;\n    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context);\n    each(obj, function(value, index, list) {\n      if (predicate.call(context, value, index, list)) results.push(value);\n    });\n    return results;\n  };\n\n  // Return all the elements for which a truth test fails.\n  _.reject = function(obj, predicate, context) {\n    return _.filter(obj, function(value, index, list) {\n      return !predicate.call(context, value, index, list);\n    }, context);\n  };\n\n  // Determine whether all of the elements match a truth test.\n  // Delegates to **ECMAScript 5**'s native `every` if available.\n  // Aliased as `all`.\n  _.every = _.all = function(obj, predicate, context) {\n    predicate || (predicate = _.identity);\n    var result = true;\n    if (obj == null) return result;\n    if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context);\n    each(obj, function(value, index, list) {\n      if (!(result = result && predicate.call(context, value, index, list))) return breaker;\n    });\n    return !!result;\n  };\n\n  // Determine if at least one element in the object matches a truth test.\n  // Delegates to **ECMAScript 5**'s native `some` if available.\n  // Aliased as `any`.\n  var any = _.some = _.any = function(obj, predicate, context) {\n    predicate || (predicate = _.identity);\n    var result = false;\n    if (obj == null) return result;\n    if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context);\n    each(obj, function(value, index, list) {\n      if (result || (result = predicate.call(context, value, index, list))) return breaker;\n    });\n    return !!result;\n  };\n\n  // Determine if the array or object contains a given value (using `===`).\n  // Aliased as `include`.\n  _.contains = _.include = function(obj, target) {\n    if (obj == null) return false;\n    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;\n    return any(obj, function(value) {\n      return value === target;\n    });\n  };\n\n  // Invoke a method (with arguments) on every item in a collection.\n  _.invoke = function(obj, method) {\n    var args = slice.call(arguments, 2);\n    var isFunc = _.isFunction(method);\n    return _.map(obj, function(value) {\n      return (isFunc ? method : value[method]).apply(value, args);\n    });\n  };\n\n  // Convenience version of a common use case of `map`: fetching a property.\n  _.pluck = function(obj, key) {\n    return _.map(obj, _.property(key));\n  };\n\n  // Convenience version of a common use case of `filter`: selecting only objects\n  // containing specific `key:value` pairs.\n  _.where = function(obj, attrs) {\n    return _.filter(obj, _.matches(attrs));\n  };\n\n  // Convenience version of a common use case of `find`: getting the first object\n  // containing specific `key:value` pairs.\n  _.findWhere = function(obj, attrs) {\n    return _.find(obj, _.matches(attrs));\n  };\n\n  // Return the maximum element or (element-based computation).\n  // Can't optimize arrays of integers longer than 65,535 elements.\n  // See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)\n  _.max = function(obj, iterator, context) {\n    if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {\n      return Math.max.apply(Math, obj);\n    }\n    var result = -Infinity, lastComputed = -Infinity;\n    each(obj, function(value, index, list) {\n      var computed = iterator ? iterator.call(context, value, index, list) : value;\n      if (computed > lastComputed) {\n        result = value;\n        lastComputed = computed;\n      }\n    });\n    return result;\n  };\n\n  // Return the minimum element (or element-based computation).\n  _.min = function(obj, iterator, context) {\n    if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {\n      return Math.min.apply(Math, obj);\n    }\n    var result = Infinity, lastComputed = Infinity;\n    each(obj, function(value, index, list) {\n      var computed = iterator ? iterator.call(context, value, index, list) : value;\n      if (computed < lastComputed) {\n        result = value;\n        lastComputed = computed;\n      }\n    });\n    return result;\n  };\n\n  // Shuffle an array, using the modern version of the\n  // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).\n  _.shuffle = function(obj) {\n    var rand;\n    var index = 0;\n    var shuffled = [];\n    each(obj, function(value) {\n      rand = _.random(index++);\n      shuffled[index - 1] = shuffled[rand];\n      shuffled[rand] = value;\n    });\n    return shuffled;\n  };\n\n  // Sample **n** random values from a collection.\n  // If **n** is not specified, returns a single random element.\n  // The internal `guard` argument allows it to work with `map`.\n  _.sample = function(obj, n, guard) {\n    if (n == null || guard) {\n      if (obj.length !== +obj.length) obj = _.values(obj);\n      return obj[_.random(obj.length - 1)];\n    }\n    return _.shuffle(obj).slice(0, Math.max(0, n));\n  };\n\n  // An internal function to generate lookup iterators.\n  var lookupIterator = function(value) {\n    if (value == null) return _.identity;\n    if (_.isFunction(value)) return value;\n    return _.property(value);\n  };\n\n  // Sort the object's values by a criterion produced by an iterator.\n  _.sortBy = function(obj, iterator, context) {\n    iterator = lookupIterator(iterator);\n    return _.pluck(_.map(obj, function(value, index, list) {\n      return {\n        value: value,\n        index: index,\n        criteria: iterator.call(context, value, index, list)\n      };\n    }).sort(function(left, right) {\n      var a = left.criteria;\n      var b = right.criteria;\n      if (a !== b) {\n        if (a > b || a === void 0) return 1;\n        if (a < b || b === void 0) return -1;\n      }\n      return left.index - right.index;\n    }), 'value');\n  };\n\n  // An internal function used for aggregate \"group by\" operations.\n  var group = function(behavior) {\n    return function(obj, iterator, context) {\n      var result = {};\n      iterator = lookupIterator(iterator);\n      each(obj, function(value, index) {\n        var key = iterator.call(context, value, index, obj);\n        behavior(result, key, value);\n      });\n      return result;\n    };\n  };\n\n  // Groups the object's values by a criterion. Pass either a string attribute\n  // to group by, or a function that returns the criterion.\n  _.groupBy = group(function(result, key, value) {\n    _.has(result, key) ? result[key].push(value) : result[key] = [value];\n  });\n\n  // Indexes the object's values by a criterion, similar to `groupBy`, but for\n  // when you know that your index values will be unique.\n  _.indexBy = group(function(result, key, value) {\n    result[key] = value;\n  });\n\n  // Counts instances of an object that group by a certain criterion. Pass\n  // either a string attribute to count by, or a function that returns the\n  // criterion.\n  _.countBy = group(function(result, key) {\n    _.has(result, key) ? result[key]++ : result[key] = 1;\n  });\n\n  // Use a comparator function to figure out the smallest index at which\n  // an object should be inserted so as to maintain order. Uses binary search.\n  _.sortedIndex = function(array, obj, iterator, context) {\n    iterator = lookupIterator(iterator);\n    var value = iterator.call(context, obj);\n    var low = 0, high = array.length;\n    while (low < high) {\n      var mid = (low + high) >>> 1;\n      iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;\n    }\n    return low;\n  };\n\n  // Safely create a real, live array from anything iterable.\n  _.toArray = function(obj) {\n    if (!obj) return [];\n    if (_.isArray(obj)) return slice.call(obj);\n    if (obj.length === +obj.length) return _.map(obj, _.identity);\n    return _.values(obj);\n  };\n\n  // Return the number of elements in an object.\n  _.size = function(obj) {\n    if (obj == null) return 0;\n    return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;\n  };\n\n  // Array Functions\n  // ---------------\n\n  // Get the first element of an array. Passing **n** will return the first N\n  // values in the array. Aliased as `head` and `take`. The **guard** check\n  // allows it to work with `_.map`.\n  _.first = _.head = _.take = function(array, n, guard) {\n    if (array == null) return void 0;\n    if ((n == null) || guard) return array[0];\n    if (n < 0) return [];\n    return slice.call(array, 0, n);\n  };\n\n  // Returns everything but the last entry of the array. Especially useful on\n  // the arguments object. Passing **n** will return all the values in\n  // the array, excluding the last N. The **guard** check allows it to work with\n  // `_.map`.\n  _.initial = function(array, n, guard) {\n    return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));\n  };\n\n  // Get the last element of an array. Passing **n** will return the last N\n  // values in the array. The **guard** check allows it to work with `_.map`.\n  _.last = function(array, n, guard) {\n    if (array == null) return void 0;\n    if ((n == null) || guard) return array[array.length - 1];\n    return slice.call(array, Math.max(array.length - n, 0));\n  };\n\n  // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.\n  // Especially useful on the arguments object. Passing an **n** will return\n  // the rest N values in the array. The **guard**\n  // check allows it to work with `_.map`.\n  _.rest = _.tail = _.drop = function(array, n, guard) {\n    return slice.call(array, (n == null) || guard ? 1 : n);\n  };\n\n  // Trim out all falsy values from an array.\n  _.compact = function(array) {\n    return _.filter(array, _.identity);\n  };\n\n  // Internal implementation of a recursive `flatten` function.\n  var flatten = function(input, shallow, output) {\n    if (shallow && _.every(input, _.isArray)) {\n      return concat.apply(output, input);\n    }\n    each(input, function(value) {\n      if (_.isArray(value) || _.isArguments(value)) {\n        shallow ? push.apply(output, value) : flatten(value, shallow, output);\n      } else {\n        output.push(value);\n      }\n    });\n    return output;\n  };\n\n  // Flatten out an array, either recursively (by default), or just one level.\n  _.flatten = function(array, shallow) {\n    return flatten(array, shallow, []);\n  };\n\n  // Return a version of the array that does not contain the specified value(s).\n  _.without = function(array) {\n    return _.difference(array, slice.call(arguments, 1));\n  };\n\n  // Split an array into two arrays: one whose elements all satisfy the given\n  // predicate, and one whose elements all do not satisfy the predicate.\n  _.partition = function(array, predicate) {\n    var pass = [], fail = [];\n    each(array, function(elem) {\n      (predicate(elem) ? pass : fail).push(elem);\n    });\n    return [pass, fail];\n  };\n\n  // Produce a duplicate-free version of the array. If the array has already\n  // been sorted, you have the option of using a faster algorithm.\n  // Aliased as `unique`.\n  _.uniq = _.unique = function(array, isSorted, iterator, context) {\n    if (_.isFunction(isSorted)) {\n      context = iterator;\n      iterator = isSorted;\n      isSorted = false;\n    }\n    var initial = iterator ? _.map(array, iterator, context) : array;\n    var results = [];\n    var seen = [];\n    each(initial, function(value, index) {\n      if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {\n        seen.push(value);\n        results.push(array[index]);\n      }\n    });\n    return results;\n  };\n\n  // Produce an array that contains the union: each distinct element from all of\n  // the passed-in arrays.\n  _.union = function() {\n    return _.uniq(_.flatten(arguments, true));\n  };\n\n  // Produce an array that contains every item shared between all the\n  // passed-in arrays.\n  _.intersection = function(array) {\n    var rest = slice.call(arguments, 1);\n    return _.filter(_.uniq(array), function(item) {\n      return _.every(rest, function(other) {\n        return _.contains(other, item);\n      });\n    });\n  };\n\n  // Take the difference between one array and a number of other arrays.\n  // Only the elements present in just the first array will remain.\n  _.difference = function(array) {\n    var rest = concat.apply(ArrayProto, slice.call(arguments, 1));\n    return _.filter(array, function(value){ return !_.contains(rest, value); });\n  };\n\n  // Zip together multiple lists into a single array -- elements that share\n  // an index go together.\n  _.zip = function() {\n    var length = _.max(_.pluck(arguments, 'length').concat(0));\n    var results = new Array(length);\n    for (var i = 0; i < length; i++) {\n      results[i] = _.pluck(arguments, '' + i);\n    }\n    return results;\n  };\n\n  // Converts lists into objects. Pass either a single array of `[key, value]`\n  // pairs, or two parallel arrays of the same length -- one of keys, and one of\n  // the corresponding values.\n  _.object = function(list, values) {\n    if (list == null) return {};\n    var result = {};\n    for (var i = 0, length = list.length; i < length; i++) {\n      if (values) {\n        result[list[i]] = values[i];\n      } else {\n        result[list[i][0]] = list[i][1];\n      }\n    }\n    return result;\n  };\n\n  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),\n  // we need this function. Return the position of the first occurrence of an\n  // item in an array, or -1 if the item is not included in the array.\n  // Delegates to **ECMAScript 5**'s native `indexOf` if available.\n  // If the array is large and already in sort order, pass `true`\n  // for **isSorted** to use binary search.\n  _.indexOf = function(array, item, isSorted) {\n    if (array == null) return -1;\n    var i = 0, length = array.length;\n    if (isSorted) {\n      if (typeof isSorted == 'number') {\n        i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);\n      } else {\n        i = _.sortedIndex(array, item);\n        return array[i] === item ? i : -1;\n      }\n    }\n    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);\n    for (; i < length; i++) if (array[i] === item) return i;\n    return -1;\n  };\n\n  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.\n  _.lastIndexOf = function(array, item, from) {\n    if (array == null) return -1;\n    var hasIndex = from != null;\n    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {\n      return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);\n    }\n    var i = (hasIndex ? from : array.length);\n    while (i--) if (array[i] === item) return i;\n    return -1;\n  };\n\n  // Generate an integer Array containing an arithmetic progression. A port of\n  // the native Python `range()` function. See\n  // [the Python documentation](http://docs.python.org/library/functions.html#range).\n  _.range = function(start, stop, step) {\n    if (arguments.length <= 1) {\n      stop = start || 0;\n      start = 0;\n    }\n    step = arguments[2] || 1;\n\n    var length = Math.max(Math.ceil((stop - start) / step), 0);\n    var idx = 0;\n    var range = new Array(length);\n\n    while(idx < length) {\n      range[idx++] = start;\n      start += step;\n    }\n\n    return range;\n  };\n\n  // Function (ahem) Functions\n  // ------------------\n\n  // Reusable constructor function for prototype setting.\n  var ctor = function(){};\n\n  // Create a function bound to a given object (assigning `this`, and arguments,\n  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if\n  // available.\n  _.bind = function(func, context) {\n    var args, bound;\n    if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));\n    if (!_.isFunction(func)) throw new TypeError;\n    args = slice.call(arguments, 2);\n    return bound = function() {\n      if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));\n      ctor.prototype = func.prototype;\n      var self = new ctor;\n      ctor.prototype = null;\n      var result = func.apply(self, args.concat(slice.call(arguments)));\n      if (Object(result) === result) return result;\n      return self;\n    };\n  };\n\n  // Partially apply a function by creating a version that has had some of its\n  // arguments pre-filled, without changing its dynamic `this` context. _ acts\n  // as a placeholder, allowing any combination of arguments to be pre-filled.\n  _.partial = function(func) {\n    var boundArgs = slice.call(arguments, 1);\n    return function() {\n      var position = 0;\n      var args = boundArgs.slice();\n      for (var i = 0, length = args.length; i < length; i++) {\n        if (args[i] === _) args[i] = arguments[position++];\n      }\n      while (position < arguments.length) args.push(arguments[position++]);\n      return func.apply(this, args);\n    };\n  };\n\n  // Bind a number of an object's methods to that object. Remaining arguments\n  // are the method names to be bound. Useful for ensuring that all callbacks\n  // defined on an object belong to it.\n  _.bindAll = function(obj) {\n    var funcs = slice.call(arguments, 1);\n    if (funcs.length === 0) throw new Error('bindAll must be passed function names');\n    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });\n    return obj;\n  };\n\n  // Memoize an expensive function by storing its results.\n  _.memoize = function(func, hasher) {\n    var memo = {};\n    hasher || (hasher = _.identity);\n    return function() {\n      var key = hasher.apply(this, arguments);\n      return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));\n    };\n  };\n\n  // Delays a function for the given number of milliseconds, and then calls\n  // it with the arguments supplied.\n  _.delay = function(func, wait) {\n    var args = slice.call(arguments, 2);\n    return setTimeout(function(){ return func.apply(null, args); }, wait);\n  };\n\n  // Defers a function, scheduling it to run after the current call stack has\n  // cleared.\n  _.defer = function(func) {\n    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));\n  };\n\n  // Returns a function, that, when invoked, will only be triggered at most once\n  // during a given window of time. Normally, the throttled function will run\n  // as much as it can, without ever going more than once per `wait` duration;\n  // but if you'd like to disable the execution on the leading edge, pass\n  // `{leading: false}`. To disable execution on the trailing edge, ditto.\n  _.throttle = function(func, wait, options) {\n    var context, args, result;\n    var timeout = null;\n    var previous = 0;\n    options || (options = {});\n    var later = function() {\n      previous = options.leading === false ? 0 : _.now();\n      timeout = null;\n      result = func.apply(context, args);\n      context = args = null;\n    };\n    return function() {\n      var now = _.now();\n      if (!previous && options.leading === false) previous = now;\n      var remaining = wait - (now - previous);\n      context = this;\n      args = arguments;\n      if (remaining <= 0) {\n        clearTimeout(timeout);\n        timeout = null;\n        previous = now;\n        result = func.apply(context, args);\n        context = args = null;\n      } else if (!timeout && options.trailing !== false) {\n        timeout = setTimeout(later, remaining);\n      }\n      return result;\n    };\n  };\n\n  // Returns a function, that, as long as it continues to be invoked, will not\n  // be triggered. The function will be called after it stops being called for\n  // N milliseconds. If `immediate` is passed, trigger the function on the\n  // leading edge, instead of the trailing.\n  _.debounce = function(func, wait, immediate) {\n    var timeout, args, context, timestamp, result;\n\n    var later = function() {\n      var last = _.now() - timestamp;\n      if (last < wait) {\n        timeout = setTimeout(later, wait - last);\n      } else {\n        timeout = null;\n        if (!immediate) {\n          result = func.apply(context, args);\n          context = args = null;\n        }\n      }\n    };\n\n    return function() {\n      context = this;\n      args = arguments;\n      timestamp = _.now();\n      var callNow = immediate && !timeout;\n      if (!timeout) {\n        timeout = setTimeout(later, wait);\n      }\n      if (callNow) {\n        result = func.apply(context, args);\n        context = args = null;\n      }\n\n      return result;\n    };\n  };\n\n  // Returns a function that will be executed at most one time, no matter how\n  // often you call it. Useful for lazy initialization.\n  _.once = function(func) {\n    var ran = false, memo;\n    return function() {\n      if (ran) return memo;\n      ran = true;\n      memo = func.apply(this, arguments);\n      func = null;\n      return memo;\n    };\n  };\n\n  // Returns the first function passed as an argument to the second,\n  // allowing you to adjust arguments, run code before and after, and\n  // conditionally execute the original function.\n  _.wrap = function(func, wrapper) {\n    return _.partial(wrapper, func);\n  };\n\n  // Returns a function that is the composition of a list of functions, each\n  // consuming the return value of the function that follows.\n  _.compose = function() {\n    var funcs = arguments;\n    return function() {\n      var args = arguments;\n      for (var i = funcs.length - 1; i >= 0; i--) {\n        args = [funcs[i].apply(this, args)];\n      }\n      return args[0];\n    };\n  };\n\n  // Returns a function that will only be executed after being called N times.\n  _.after = function(times, func) {\n    return function() {\n      if (--times < 1) {\n        return func.apply(this, arguments);\n      }\n    };\n  };\n\n  // Object Functions\n  // ----------------\n\n  // Retrieve the names of an object's properties.\n  // Delegates to **ECMAScript 5**'s native `Object.keys`\n  _.keys = function(obj) {\n    if (!_.isObject(obj)) return [];\n    if (nativeKeys) return nativeKeys(obj);\n    var keys = [];\n    for (var key in obj) if (_.has(obj, key)) keys.push(key);\n    return keys;\n  };\n\n  // Retrieve the values of an object's properties.\n  _.values = function(obj) {\n    var keys = _.keys(obj);\n    var length = keys.length;\n    var values = new Array(length);\n    for (var i = 0; i < length; i++) {\n      values[i] = obj[keys[i]];\n    }\n    return values;\n  };\n\n  // Convert an object into a list of `[key, value]` pairs.\n  _.pairs = function(obj) {\n    var keys = _.keys(obj);\n    var length = keys.length;\n    var pairs = new Array(length);\n    for (var i = 0; i < length; i++) {\n      pairs[i] = [keys[i], obj[keys[i]]];\n    }\n    return pairs;\n  };\n\n  // Invert the keys and values of an object. The values must be serializable.\n  _.invert = function(obj) {\n    var result = {};\n    var keys = _.keys(obj);\n    for (var i = 0, length = keys.length; i < length; i++) {\n      result[obj[keys[i]]] = keys[i];\n    }\n    return result;\n  };\n\n  // Return a sorted list of the function names available on the object.\n  // Aliased as `methods`\n  _.functions = _.methods = function(obj) {\n    var names = [];\n    for (var key in obj) {\n      if (_.isFunction(obj[key])) names.push(key);\n    }\n    return names.sort();\n  };\n\n  // Extend a given object with all the properties in passed-in object(s).\n  _.extend = function(obj) {\n    each(slice.call(arguments, 1), function(source) {\n      if (source) {\n        for (var prop in source) {\n          obj[prop] = source[prop];\n        }\n      }\n    });\n    return obj;\n  };\n\n  // Return a copy of the object only containing the whitelisted properties.\n  _.pick = function(obj) {\n    var copy = {};\n    var keys = concat.apply(ArrayProto, slice.call(arguments, 1));\n    each(keys, function(key) {\n      if (key in obj) copy[key] = obj[key];\n    });\n    return copy;\n  };\n\n   // Return a copy of the object without the blacklisted properties.\n  _.omit = function(obj) {\n    var copy = {};\n    var keys = concat.apply(ArrayProto, slice.call(arguments, 1));\n    for (var key in obj) {\n      if (!_.contains(keys, key)) copy[key] = obj[key];\n    }\n    return copy;\n  };\n\n  // Fill in a given object with default properties.\n  _.defaults = function(obj) {\n    each(slice.call(arguments, 1), function(source) {\n      if (source) {\n        for (var prop in source) {\n          if (obj[prop] === void 0) obj[prop] = source[prop];\n        }\n      }\n    });\n    return obj;\n  };\n\n  // Create a (shallow-cloned) duplicate of an object.\n  _.clone = function(obj) {\n    if (!_.isObject(obj)) return obj;\n    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);\n  };\n\n  // Invokes interceptor with the obj, and then returns obj.\n  // The primary purpose of this method is to \"tap into\" a method chain, in\n  // order to perform operations on intermediate results within the chain.\n  _.tap = function(obj, interceptor) {\n    interceptor(obj);\n    return obj;\n  };\n\n  // Internal recursive comparison function for `isEqual`.\n  var eq = function(a, b, aStack, bStack) {\n    // Identical objects are equal. `0 === -0`, but they aren't identical.\n    // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).\n    if (a === b) return a !== 0 || 1 / a == 1 / b;\n    // A strict comparison is necessary because `null == undefined`.\n    if (a == null || b == null) return a === b;\n    // Unwrap any wrapped objects.\n    if (a instanceof _) a = a._wrapped;\n    if (b instanceof _) b = b._wrapped;\n    // Compare `[[Class]]` names.\n    var className = toString.call(a);\n    if (className != toString.call(b)) return false;\n    switch (className) {\n      // Strings, numbers, dates, and booleans are compared by value.\n      case '[object String]':\n        // Primitives and their corresponding object wrappers are equivalent; thus, `\"5\"` is\n        // equivalent to `new String(\"5\")`.\n        return a == String(b);\n      case '[object Number]':\n        // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for\n        // other numeric values.\n        return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);\n      case '[object Date]':\n      case '[object Boolean]':\n        // Coerce dates and booleans to numeric primitive values. Dates are compared by their\n        // millisecond representations. Note that invalid dates with millisecond representations\n        // of `NaN` are not equivalent.\n        return +a == +b;\n      // RegExps are compared by their source patterns and flags.\n      case '[object RegExp]':\n        return a.source == b.source &&\n               a.global == b.global &&\n               a.multiline == b.multiline &&\n               a.ignoreCase == b.ignoreCase;\n    }\n    if (typeof a != 'object' || typeof b != 'object') return false;\n    // Assume equality for cyclic structures. The algorithm for detecting cyclic\n    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.\n    var length = aStack.length;\n    while (length--) {\n      // Linear search. Performance is inversely proportional to the number of\n      // unique nested structures.\n      if (aStack[length] == a) return bStack[length] == b;\n    }\n    // Objects with different constructors are not equivalent, but `Object`s\n    // from different frames are.\n    var aCtor = a.constructor, bCtor = b.constructor;\n    if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&\n                             _.isFunction(bCtor) && (bCtor instanceof bCtor))\n                        && ('constructor' in a && 'constructor' in b)) {\n      return false;\n    }\n    // Add the first object to the stack of traversed objects.\n    aStack.push(a);\n    bStack.push(b);\n    var size = 0, result = true;\n    // Recursively compare objects and arrays.\n    if (className == '[object Array]') {\n      // Compare array lengths to determine if a deep comparison is necessary.\n      size = a.length;\n      result = size == b.length;\n      if (result) {\n        // Deep compare the contents, ignoring non-numeric properties.\n        while (size--) {\n          if (!(result = eq(a[size], b[size], aStack, bStack))) break;\n        }\n      }\n    } else {\n      // Deep compare objects.\n      for (var key in a) {\n        if (_.has(a, key)) {\n          // Count the expected number of properties.\n          size++;\n          // Deep compare each member.\n          if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;\n        }\n      }\n      // Ensure that both objects contain the same number of properties.\n      if (result) {\n        for (key in b) {\n          if (_.has(b, key) && !(size--)) break;\n        }\n        result = !size;\n      }\n    }\n    // Remove the first object from the stack of traversed objects.\n    aStack.pop();\n    bStack.pop();\n    return result;\n  };\n\n  // Perform a deep comparison to check if two objects are equal.\n  _.isEqual = function(a, b) {\n    return eq(a, b, [], []);\n  };\n\n  // Is a given array, string, or object empty?\n  // An \"empty\" object has no enumerable own-properties.\n  _.isEmpty = function(obj) {\n    if (obj == null) return true;\n    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;\n    for (var key in obj) if (_.has(obj, key)) return false;\n    return true;\n  };\n\n  // Is a given value a DOM element?\n  _.isElement = function(obj) {\n    return !!(obj && obj.nodeType === 1);\n  };\n\n  // Is a given value an array?\n  // Delegates to ECMA5's native Array.isArray\n  _.isArray = nativeIsArray || function(obj) {\n    return toString.call(obj) == '[object Array]';\n  };\n\n  // Is a given variable an object?\n  _.isObject = function(obj) {\n    return obj === Object(obj);\n  };\n\n  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.\n  each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {\n    _['is' + name] = function(obj) {\n      return toString.call(obj) == '[object ' + name + ']';\n    };\n  });\n\n  // Define a fallback version of the method in browsers (ahem, IE), where\n  // there isn't any inspectable \"Arguments\" type.\n  if (!_.isArguments(arguments)) {\n    _.isArguments = function(obj) {\n      return !!(obj && _.has(obj, 'callee'));\n    };\n  }\n\n  // Optimize `isFunction` if appropriate.\n  if (typeof (/./) !== 'function') {\n    _.isFunction = function(obj) {\n      return typeof obj === 'function';\n    };\n  }\n\n  // Is a given object a finite number?\n  _.isFinite = function(obj) {\n    return isFinite(obj) && !isNaN(parseFloat(obj));\n  };\n\n  // Is the given value `NaN`? (NaN is the only number which does not equal itself).\n  _.isNaN = function(obj) {\n    return _.isNumber(obj) && obj != +obj;\n  };\n\n  // Is a given value a boolean?\n  _.isBoolean = function(obj) {\n    return obj === true || obj === false || toString.call(obj) == '[object Boolean]';\n  };\n\n  // Is a given value equal to null?\n  _.isNull = function(obj) {\n    return obj === null;\n  };\n\n  // Is a given variable undefined?\n  _.isUndefined = function(obj) {\n    return obj === void 0;\n  };\n\n  // Shortcut function for checking if an object has a given property directly\n  // on itself (in other words, not on a prototype).\n  _.has = function(obj, key) {\n    return hasOwnProperty.call(obj, key);\n  };\n\n  // Utility Functions\n  // -----------------\n\n  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its\n  // previous owner. Returns a reference to the Underscore object.\n  _.noConflict = function() {\n    root._ = previousUnderscore;\n    return this;\n  };\n\n  // Keep the identity function around for default iterators.\n  _.identity = function(value) {\n    return value;\n  };\n\n  _.constant = function(value) {\n    return function () {\n      return value;\n    };\n  };\n\n  _.property = function(key) {\n    return function(obj) {\n      return obj[key];\n    };\n  };\n\n  // Returns a predicate for checking whether an object has a given set of `key:value` pairs.\n  _.matches = function(attrs) {\n    return function(obj) {\n      if (obj === attrs) return true; //avoid comparing an object to itself.\n      for (var key in attrs) {\n        if (attrs[key] !== obj[key])\n          return false;\n      }\n      return true;\n    }\n  };\n\n  // Run a function **n** times.\n  _.times = function(n, iterator, context) {\n    var accum = Array(Math.max(0, n));\n    for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);\n    return accum;\n  };\n\n  // Return a random integer between min and max (inclusive).\n  _.random = function(min, max) {\n    if (max == null) {\n      max = min;\n      min = 0;\n    }\n    return min + Math.floor(Math.random() * (max - min + 1));\n  };\n\n  // A (possibly faster) way to get the current timestamp as an integer.\n  _.now = Date.now || function() { return new Date().getTime(); };\n\n  // List of HTML entities for escaping.\n  var entityMap = {\n    escape: {\n      '&': '&amp;',\n      '<': '&lt;',\n      '>': '&gt;',\n      '\"': '&quot;',\n      \"'\": '&#x27;'\n    }\n  };\n  entityMap.unescape = _.invert(entityMap.escape);\n\n  // Regexes containing the keys and values listed immediately above.\n  var entityRegexes = {\n    escape:   new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),\n    unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')\n  };\n\n  // Functions for escaping and unescaping strings to/from HTML interpolation.\n  _.each(['escape', 'unescape'], function(method) {\n    _[method] = function(string) {\n      if (string == null) return '';\n      return ('' + string).replace(entityRegexes[method], function(match) {\n        return entityMap[method][match];\n      });\n    };\n  });\n\n  // If the value of the named `property` is a function then invoke it with the\n  // `object` as context; otherwise, return it.\n  _.result = function(object, property) {\n    if (object == null) return void 0;\n    var value = object[property];\n    return _.isFunction(value) ? value.call(object) : value;\n  };\n\n  // Add your own custom functions to the Underscore object.\n  _.mixin = function(obj) {\n    each(_.functions(obj), function(name) {\n      var func = _[name] = obj[name];\n      _.prototype[name] = function() {\n        var args = [this._wrapped];\n        push.apply(args, arguments);\n        return result.call(this, func.apply(_, args));\n      };\n    });\n  };\n\n  // Generate a unique integer id (unique within the entire client session).\n  // Useful for temporary DOM ids.\n  var idCounter = 0;\n  _.uniqueId = function(prefix) {\n    var id = ++idCounter + '';\n    return prefix ? prefix + id : id;\n  };\n\n  // By default, Underscore uses ERB-style template delimiters, change the\n  // following template settings to use alternative delimiters.\n  _.templateSettings = {\n    evaluate    : /<%([\\s\\S]+?)%>/g,\n    interpolate : /<%=([\\s\\S]+?)%>/g,\n    escape      : /<%-([\\s\\S]+?)%>/g\n  };\n\n  // When customizing `templateSettings`, if you don't want to define an\n  // interpolation, evaluation or escaping regex, we need one that is\n  // guaranteed not to match.\n  var noMatch = /(.)^/;\n\n  // Certain characters need to be escaped so that they can be put into a\n  // string literal.\n  var escapes = {\n    \"'\":      \"'\",\n    '\\\\':     '\\\\',\n    '\\r':     'r',\n    '\\n':     'n',\n    '\\t':     't',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  var escaper = /\\\\|'|\\r|\\n|\\t|\\u2028|\\u2029/g;\n\n  // JavaScript micro-templating, similar to John Resig's implementation.\n  // Underscore templating handles arbitrary delimiters, preserves whitespace,\n  // and correctly escapes quotes within interpolated code.\n  _.template = function(text, data, settings) {\n    var render;\n    settings = _.defaults({}, settings, _.templateSettings);\n\n    // Combine delimiters into one regular expression via alternation.\n    var matcher = new RegExp([\n      (settings.escape || noMatch).source,\n      (settings.interpolate || noMatch).source,\n      (settings.evaluate || noMatch).source\n    ].join('|') + '|$', 'g');\n\n    // Compile the template source, escaping string literals appropriately.\n    var index = 0;\n    var source = \"__p+='\";\n    text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {\n      source += text.slice(index, offset)\n        .replace(escaper, function(match) { return '\\\\' + escapes[match]; });\n\n      if (escape) {\n        source += \"'+\\n((__t=(\" + escape + \"))==null?'':_.escape(__t))+\\n'\";\n      }\n      if (interpolate) {\n        source += \"'+\\n((__t=(\" + interpolate + \"))==null?'':__t)+\\n'\";\n      }\n      if (evaluate) {\n        source += \"';\\n\" + evaluate + \"\\n__p+='\";\n      }\n      index = offset + match.length;\n      return match;\n    });\n    source += \"';\\n\";\n\n    // If a variable is not specified, place data values in local scope.\n    if (!settings.variable) source = 'with(obj||{}){\\n' + source + '}\\n';\n\n    source = \"var __t,__p='',__j=Array.prototype.join,\" +\n      \"print=function(){__p+=__j.call(arguments,'');};\\n\" +\n      source + \"return __p;\\n\";\n\n    try {\n      render = new Function(settings.variable || 'obj', '_', source);\n    } catch (e) {\n      e.source = source;\n      throw e;\n    }\n\n    if (data) return render(data, _);\n    var template = function(data) {\n      return render.call(this, data, _);\n    };\n\n    // Provide the compiled function source as a convenience for precompilation.\n    template.source = 'function(' + (settings.variable || 'obj') + '){\\n' + source + '}';\n\n    return template;\n  };\n\n  // Add a \"chain\" function, which will delegate to the wrapper.\n  _.chain = function(obj) {\n    return _(obj).chain();\n  };\n\n  // OOP\n  // ---------------\n  // If Underscore is called as a function, it returns a wrapped object that\n  // can be used OO-style. This wrapper holds altered versions of all the\n  // underscore functions. Wrapped objects may be chained.\n\n  // Helper function to continue chaining intermediate results.\n  var result = function(obj) {\n    return this._chain ? _(obj).chain() : obj;\n  };\n\n  // Add all of the Underscore functions to the wrapper object.\n  _.mixin(_);\n\n  // Add all mutator Array functions to the wrapper.\n  each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {\n    var method = ArrayProto[name];\n    _.prototype[name] = function() {\n      var obj = this._wrapped;\n      method.apply(obj, arguments);\n      if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];\n      return result.call(this, obj);\n    };\n  });\n\n  // Add all accessor Array functions to the wrapper.\n  each(['concat', 'join', 'slice'], function(name) {\n    var method = ArrayProto[name];\n    _.prototype[name] = function() {\n      return result.call(this, method.apply(this._wrapped, arguments));\n    };\n  });\n\n  _.extend(_.prototype, {\n\n    // Start chaining a wrapped Underscore object.\n    chain: function() {\n      this._chain = true;\n      return this;\n    },\n\n    // Extracts the result from a wrapped and chained object.\n    value: function() {\n      return this._wrapped;\n    }\n\n  });\n\n  // AMD registration happens at the end for compatibility with AMD loaders\n  // that may not enforce next-turn semantics on modules. Even though general\n  // practice for AMD registration is to be anonymous, underscore registers\n  // as a named module because, like jQuery, it is a base library that is\n  // popular enough to be bundled in a third party lib, but not be part of\n  // an AMD load request. Those cases could generate an error when an\n  // anonymous define() is called outside of a loader request.\n  if (typeof define === 'function' && define.amd) {\n    define('underscore', [], function() {\n      return _;\n    });\n  }\n}).call(this);\n","/*! Hammer.JS - v1.0.7dev - 2014-02-18\n * http://eightmedia.github.com/hammer.js\n *\n * Copyright (c) 2014 Jorik Tangelder <j.tangelder@gmail.com>;\n * Licensed under the MIT license */\n\n(function(window, undefined) {\n  'use strict';\n\n/**\n * Hammer\n * use this to create instances\n * @param   {HTMLElement}   element\n * @param   {Object}        options\n * @returns {Hammer.Instance}\n * @constructor\n */\nvar Hammer = function(element, options) {\n  return new Hammer.Instance(element, options || {});\n};\n\n// default settings\nHammer.defaults = {\n  // add styles and attributes to the element to prevent the browser from doing\n  // its native behavior. this doesnt prevent the scrolling, but cancels\n  // the contextmenu, tap highlighting etc\n  // set to false to disable this\n  stop_browser_behavior: {\n    // this also triggers onselectstart=false for IE\n    userSelect       : 'none',\n    // this makes the element blocking in IE10 >, you could experiment with the value\n    // see for more options this issue; https://github.com/EightMedia/hammer.js/issues/241\n    touchAction      : 'none',\n    touchCallout     : 'none',\n    contentZooming   : 'none',\n    userDrag         : 'none',\n    tapHighlightColor: 'rgba(0,0,0,0)'\n  }\n\n  //\n  // more settings are defined per gesture at gestures.js\n  //\n};\n\n// detect touchevents\nHammer.HAS_POINTEREVENTS = window.navigator.pointerEnabled || window.navigator.msPointerEnabled;\nHammer.HAS_TOUCHEVENTS = ('ontouchstart' in window);\n\n// dont use mouseevents on mobile devices\nHammer.MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android|silk/i;\nHammer.NO_MOUSEEVENTS = Hammer.HAS_TOUCHEVENTS && window.navigator.userAgent.match(Hammer.MOBILE_REGEX);\n\n// eventtypes per touchevent (start, move, end)\n// are filled by Hammer.event.determineEventTypes on setup\nHammer.EVENT_TYPES = {};\n\n// direction defines\nHammer.DIRECTION_DOWN = 'down';\nHammer.DIRECTION_LEFT = 'left';\nHammer.DIRECTION_UP = 'up';\nHammer.DIRECTION_RIGHT = 'right';\n\n// pointer type\nHammer.POINTER_MOUSE = 'mouse';\nHammer.POINTER_TOUCH = 'touch';\nHammer.POINTER_PEN = 'pen';\n\n// interval in which Hammer recalculates current velocity in ms\nHammer.UPDATE_VELOCITY_INTERVAL = 20;\n\n// touch event defines\nHammer.EVENT_START = 'start';\nHammer.EVENT_MOVE = 'move';\nHammer.EVENT_END = 'end';\n\n// hammer document where the base events are added at\nHammer.DOCUMENT = window.document;\n\n// plugins and gestures namespaces\nHammer.plugins = Hammer.plugins || {};\nHammer.gestures = Hammer.gestures || {};\n\n\n// if the window events are set...\nHammer.READY = false;\n\n/**\n * setup events to detect gestures on the document\n */\nfunction setup() {\n  if(Hammer.READY) {\n    return;\n  }\n\n  // find what eventtypes we add listeners to\n  Hammer.event.determineEventTypes();\n\n  // Register all gestures inside Hammer.gestures\n  Hammer.utils.each(Hammer.gestures, function(gesture){\n    Hammer.detection.register(gesture);\n  });\n\n  // Add touch events on the document\n  Hammer.event.onTouch(Hammer.DOCUMENT, Hammer.EVENT_MOVE, Hammer.detection.detect);\n  Hammer.event.onTouch(Hammer.DOCUMENT, Hammer.EVENT_END, Hammer.detection.detect);\n\n  // Hammer is ready...!\n  Hammer.READY = true;\n}\n\nHammer.utils = {\n  /**\n   * extend method,\n   * also used for cloning when dest is an empty object\n   * @param   {Object}    dest\n   * @param   {Object}    src\n   * @parm  {Boolean}  merge    do a merge\n   * @returns {Object}    dest\n   */\n  extend: function extend(dest, src, merge) {\n    for(var key in src) {\n      if(dest[key] !== undefined && merge) {\n        continue;\n      }\n      dest[key] = src[key];\n    }\n    return dest;\n  },\n\n\n  /**\n   * for each\n   * @param obj\n   * @param iterator\n   */\n  each: function(obj, iterator, context) {\n    var i, length;\n    // native forEach on arrays\n    if ('forEach' in obj) {\n      obj.forEach(iterator, context);\n    }\n    // arrays\n    else if(obj.length !== undefined) {\n      for (i = 0, length = obj.length; i < length; i++) {\n        if (iterator.call(context, obj[i], i, obj) === false) {\n          return;\n        }\n      }\n    }\n    // objects\n    else {\n      for (i in obj) {\n        if (obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj) === false) {\n          return;\n        }\n      }\n    }\n  },\n\n  /**\n   * find if a node is in the given parent\n   * used for event delegation tricks\n   * @param   {HTMLElement}   node\n   * @param   {HTMLElement}   parent\n   * @returns {boolean}       has_parent\n   */\n  hasParent: function(node, parent) {\n    while(node) {\n      if(node == parent) {\n        return true;\n      }\n      node = node.parentNode;\n    }\n    return false;\n  },\n\n\n  /**\n   * get the center of all the touches\n   * @param   {Array}     touches\n   * @returns {Object}    center\n   */\n  getCenter: function getCenter(touches) {\n    var valuesX = [], valuesY = [];\n\n    Hammer.utils.each(touches, function(touch) {\n      // I prefer clientX because it ignore the scrolling position\n      valuesX.push(typeof touch.clientX !== 'undefined' ? touch.clientX : touch.pageX );\n      valuesY.push(typeof touch.clientY !== 'undefined' ? touch.clientY : touch.pageY );\n    });\n\n    return {\n      pageX: ((Math.min.apply(Math, valuesX) + Math.max.apply(Math, valuesX)) / 2),\n      pageY: ((Math.min.apply(Math, valuesY) + Math.max.apply(Math, valuesY)) / 2)\n    };\n  },\n\n\n  /**\n   * calculate the velocity between two points\n   * @param   {Number}    delta_time\n   * @param   {Number}    delta_x\n   * @param   {Number}    delta_y\n   * @returns {Object}    velocity\n   */\n  getVelocity: function getVelocity(delta_time, delta_x, delta_y) {\n    return {\n      x: Math.abs(delta_x / delta_time) || 0,\n      y: Math.abs(delta_y / delta_time) || 0\n    };\n  },\n\n\n  /**\n   * calculate the angle between two coordinates\n   * @param   {Touch}     touch1\n   * @param   {Touch}     touch2\n   * @returns {Number}    angle\n   */\n  getAngle: function getAngle(touch1, touch2) {\n    var y = touch2.pageY - touch1.pageY,\n      x = touch2.pageX - touch1.pageX;\n    return Math.atan2(y, x) * 180 / Math.PI;\n  },\n\n\n  /**\n   * angle to direction define\n   * @param   {Touch}     touch1\n   * @param   {Touch}     touch2\n   * @returns {String}    direction constant, like Hammer.DIRECTION_LEFT\n   */\n  getDirection: function getDirection(touch1, touch2) {\n    var x = Math.abs(touch1.pageX - touch2.pageX),\n      y = Math.abs(touch1.pageY - touch2.pageY);\n\n    if(x >= y) {\n      return touch1.pageX - touch2.pageX > 0 ? Hammer.DIRECTION_LEFT : Hammer.DIRECTION_RIGHT;\n    }\n    else {\n      return touch1.pageY - touch2.pageY > 0 ? Hammer.DIRECTION_UP : Hammer.DIRECTION_DOWN;\n    }\n  },\n\n\n  /**\n   * calculate the distance between two touches\n   * @param   {Touch}     touch1\n   * @param   {Touch}     touch2\n   * @returns {Number}    distance\n   */\n  getDistance: function getDistance(touch1, touch2) {\n    var x = touch2.pageX - touch1.pageX,\n      y = touch2.pageY - touch1.pageY;\n    return Math.sqrt((x * x) + (y * y));\n  },\n\n\n  /**\n   * calculate the scale factor between two touchLists (fingers)\n   * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out\n   * @param   {Array}     start\n   * @param   {Array}     end\n   * @returns {Number}    scale\n   */\n  getScale: function getScale(start, end) {\n    // need two fingers...\n    if(start.length >= 2 && end.length >= 2) {\n      return this.getDistance(end[0], end[1]) /\n        this.getDistance(start[0], start[1]);\n    }\n    return 1;\n  },\n\n\n  /**\n   * calculate the rotation degrees between two touchLists (fingers)\n   * @param   {Array}     start\n   * @param   {Array}     end\n   * @returns {Number}    rotation\n   */\n  getRotation: function getRotation(start, end) {\n    // need two fingers\n    if(start.length >= 2 && end.length >= 2) {\n      return this.getAngle(end[1], end[0]) -\n        this.getAngle(start[1], start[0]);\n    }\n    return 0;\n  },\n\n\n  /**\n   * boolean if the direction is vertical\n   * @param    {String}    direction\n   * @returns  {Boolean}   is_vertical\n   */\n  isVertical: function isVertical(direction) {\n    return (direction == Hammer.DIRECTION_UP || direction == Hammer.DIRECTION_DOWN);\n  },\n\n\n  /**\n   * stop browser default behavior with css props\n   * @param   {HtmlElement}   element\n   * @param   {Object}        css_props\n   */\n  stopDefaultBrowserBehavior: function stopDefaultBrowserBehavior(element, css_props) {\n    if(!css_props || !element || !element.style) {\n      return;\n    }\n\n    // with css properties for modern browsers\n    Hammer.utils.each(['webkit', 'khtml', 'moz', 'Moz', 'ms', 'o', ''], function(vendor) {\n      Hammer.utils.each(css_props, function(value, prop) {\n          // vender prefix at the property\n          if(vendor) {\n            prop = vendor + prop.substring(0, 1).toUpperCase() + prop.substring(1);\n          }\n          // set the style\n          if(prop in element.style) {\n            element.style[prop] = value;\n          }\n      });\n    });\n\n    // also the disable onselectstart\n    if(css_props.userSelect == 'none') {\n      element.onselectstart = function() {\n        return false;\n      };\n    }\n\n    // and disable ondragstart\n    if(css_props.userDrag == 'none') {\n      element.ondragstart = function() {\n        return false;\n      };\n    }\n  },\n\n\n  /**\n   * reverts all changes made by 'stopDefaultBrowserBehavior'\n   * @param   {HtmlElement}   element\n   * @param   {Object}        css_props\n   */\n  startDefaultBrowserBehavior: function startDefaultBrowserBehavior(element, css_props) {\n    if(!css_props || !element || !element.style) {\n      return;\n    }\n\n    // with css properties for modern browsers\n    Hammer.utils.each(['webkit', 'khtml', 'moz', 'Moz', 'ms', 'o', ''], function(vendor) {\n      Hammer.utils.each(css_props, function(value, prop) {\n          // vender prefix at the property\n          if(vendor) {\n            prop = vendor + prop.substring(0, 1).toUpperCase() + prop.substring(1);\n          }\n          // reset the style\n          if(prop in element.style) {\n            element.style[prop] = '';\n          }\n      });\n    });\n\n    // also the enable onselectstart\n    if(css_props.userSelect == 'none') {\n      element.onselectstart = null;\n    }\n\n    // and enable ondragstart\n    if(css_props.userDrag == 'none') {\n      element.ondragstart = null;\n    }\n  }\n};\n\n\n/**\n * create new hammer instance\n * all methods should return the instance itself, so it is chainable.\n * @param   {HTMLElement}       element\n * @param   {Object}            [options={}]\n * @returns {Hammer.Instance}\n * @constructor\n */\nHammer.Instance = function(element, options) {\n  var self = this;\n\n  // setup HammerJS window events and register all gestures\n  // this also sets up the default options\n  setup();\n\n  this.element = element;\n\n  // start/stop detection option\n  this.enabled = true;\n\n  // merge options\n  this.options = Hammer.utils.extend(\n    Hammer.utils.extend({}, Hammer.defaults),\n    options || {});\n\n  // add some css to the element to prevent the browser from doing its native behavoir\n  if(this.options.stop_browser_behavior) {\n    Hammer.utils.stopDefaultBrowserBehavior(this.element, this.options.stop_browser_behavior);\n  }\n\n  // start detection on touchstart\n  this._eventStartHandler = Hammer.event.onTouch(element, Hammer.EVENT_START, function(ev) {\n    if(self.enabled) {\n      Hammer.detection.startDetect(self, ev);\n    }\n  });\n\n  // keep a list of user event handlers which needs to be removed when calling 'dispose'\n  this._eventHandler = [];\n\n  // return instance\n  return this;\n};\n\n\nHammer.Instance.prototype = {\n  /**\n   * bind events to the instance\n   * @param   {String}      gesture\n   * @param   {Function}    handler\n   * @returns {Hammer.Instance}\n   */\n  on: function onEvent(gesture, handler) {\n    var gestures = gesture.split(' ');\n    Hammer.utils.each(gestures, function(gesture) {\n      this.element.addEventListener(gesture, handler, false);\n      this._eventHandler.push({ gesture: gesture, handler: handler });\n    }, this);\n    return this;\n  },\n\n\n  /**\n   * unbind events to the instance\n   * @param   {String}      gesture\n   * @param   {Function}    handler\n   * @returns {Hammer.Instance}\n   */\n  off: function offEvent(gesture, handler) {\n    var gestures = gesture.split(' ');\n    Hammer.utils.each(gestures, function(gesture) {\n      this.element.removeEventListener(gesture, handler, false);\n\n      // remove the event handler from the internal list\n      var index = -1;\n      Hammer.utils.each(this._eventHandler, function(eventHandler, i) {\n        if (index === -1 && eventHandler.gesture === gesture && eventHandler.handler === handler) {\n          index = i;\n        }\n      }, this);\n\n      if (index > -1) {\n        this._eventHandler.splice(index, 1);\n      }\n    }, this);\n    return this;\n  },\n\n\n  /**\n   * trigger gesture event\n   * @param   {String}      gesture\n   * @param   {Object}      [eventData]\n   * @returns {Hammer.Instance}\n   */\n  trigger: function triggerEvent(gesture, eventData) {\n    // optional\n    if(!eventData) {\n      eventData = {};\n    }\n\n    // create DOM event\n    var event = Hammer.DOCUMENT.createEvent('Event');\n    event.initEvent(gesture, true, true);\n    event.gesture = eventData;\n\n    // trigger on the target if it is in the instance element,\n    // this is for event delegation tricks\n    var element = this.element;\n    if(Hammer.utils.hasParent(eventData.target, element)) {\n      element = eventData.target;\n    }\n\n    element.dispatchEvent(event);\n    return this;\n  },\n\n\n  /**\n   * enable of disable hammer.js detection\n   * @param   {Boolean}   state\n   * @returns {Hammer.Instance}\n   */\n  enable: function enable(state) {\n    this.enabled = state;\n    return this;\n  },\n\n\n  /**\n   * dispose this hammer instance\n   * @returns {Hammer.Instance}\n   */\n  dispose: function dispose() {\n\n    // undo all changes made by stop_browser_behavior\n    if(this.options.stop_browser_behavior) {\n      Hammer.utils.startDefaultBrowserBehavior(this.element, this.options.stop_browser_behavior);\n    }\n\n    // unbind all custom event handlers\n    Hammer.utils.each(this._eventHandler, function(eventHandler) {\n      this.element.removeEventListener(eventHandler.gesture, eventHandler.handler, false);\n    }, this);\n    this._eventHandler.length = 0;\n\n    // unbind the start event listener\n    Hammer.event.unbindDom(this.element, Hammer.EVENT_TYPES[Hammer.EVENT_START], this._eventStartHandler);\n    return this;\n  }\n};\n\n\n/**\n * this holds the last move event,\n * used to fix empty touchend issue\n * see the onTouch event for an explanation\n * @type {Object}\n */\nvar last_move_event = null;\n\n\n/**\n * when the mouse is hold down, this is true\n * @type {Boolean}\n */\nvar enable_detect = false;\n\n\n/**\n * when touch events have been fired, this is true\n * @type {Boolean}\n */\nvar touch_triggered = false;\n\n\nHammer.event = {\n  /**\n   * simple addEventListener\n   * @param   {HTMLElement}   element\n   * @param   {String}        type\n   * @param   {Function}      handler\n   */\n  bindDom: function(element, type, handler) {\n    var types = type.split(' ');\n    Hammer.utils.each(types, function(type){\n      element.addEventListener(type, handler, false);\n    });\n  },\n\n\n  /**\n   * simple removeEventListener\n   * @param   {HTMLElement}   element\n   * @param   {String}        type\n   * @param   {Function}      handler\n   */\n  unbindDom: function(element, type, handler) {\n    var types = type.split(' ');\n    Hammer.utils.each(types, function(type){\n      element.removeEventListener(type, handler, false);\n    });\n  },\n\n\n  /**\n   * touch events with mouse fallback\n   * @param   {HTMLElement}   element\n   * @param   {String}        eventType        like Hammer.EVENT_MOVE\n   * @param   {Function}      handler\n   */\n  onTouch: function onTouch(element, eventType, handler) {\n    var self = this;\n\n    var fn = function bindDomOnTouch(ev) {\n      var sourceEventType = ev.type.toLowerCase();\n\n      // onmouseup, but when touchend has been fired we do nothing.\n      // this is for touchdevices which also fire a mouseup on touchend\n      if(sourceEventType.match(/mouse/) && touch_triggered) {\n        return;\n      }\n\n      // mousebutton must be down or a touch event\n      else if(sourceEventType.match(/touch/) ||   // touch events are always on screen\n        sourceEventType.match(/pointerdown/) || // pointerevents touch\n        (sourceEventType.match(/mouse/) && ev.which === 1)   // mouse is pressed\n        ) {\n        enable_detect = true;\n      }\n\n      // mouse isn't pressed\n      else if(sourceEventType.match(/mouse/) && !ev.which) {\n        enable_detect = false;\n      }\n\n\n      // we are in a touch event, set the touch triggered bool to true,\n      // this for the conflicts that may occur on ios and android\n      if(sourceEventType.match(/touch|pointer/)) {\n        touch_triggered = true;\n      }\n\n      // count the total touches on the screen\n      var count_touches = 0;\n\n      // when touch has been triggered in this detection session\n      // and we are now handling a mouse event, we stop that to prevent conflicts\n      if(enable_detect) {\n        // update pointerevent\n        if(Hammer.HAS_POINTEREVENTS && eventType != Hammer.EVENT_END) {\n          count_touches = Hammer.PointerEvent.updatePointer(eventType, ev);\n        }\n        // touch\n        else if(sourceEventType.match(/touch/)) {\n          count_touches = ev.touches.length;\n        }\n        // mouse\n        else if(!touch_triggered) {\n          count_touches = sourceEventType.match(/up/) ? 0 : 1;\n        }\n\n        // if we are in a end event, but when we remove one touch and\n        // we still have enough, set eventType to move\n        if(count_touches > 0 && eventType == Hammer.EVENT_END) {\n          eventType = Hammer.EVENT_MOVE;\n        }\n        // no touches, force the end event\n        else if(!count_touches) {\n          eventType = Hammer.EVENT_END;\n        }\n\n        // store the last move event\n        if(count_touches || last_move_event === null) {\n          last_move_event = ev;\n        }\n\n        // trigger the handler\n        handler.call(Hammer.detection, self.collectEventData(element, eventType, self.getTouchList(last_move_event, eventType), ev));\n\n        // remove pointerevent from list\n        if(Hammer.HAS_POINTEREVENTS && eventType == Hammer.EVENT_END) {\n          count_touches = Hammer.PointerEvent.updatePointer(eventType, ev);\n        }\n      }\n\n      // on the end we reset everything\n      if(!count_touches) {\n        last_move_event = null;\n        enable_detect = false;\n        touch_triggered = false;\n        Hammer.PointerEvent.reset();\n      }\n    };\n\n    this.bindDom(element, Hammer.EVENT_TYPES[eventType], fn);\n\n    // return the bound function to be able to unbind it later\n    return fn;\n    },\n\n\n  /**\n   * we have different events for each device/browser\n   * determine what we need and set them in the Hammer.EVENT_TYPES constant\n   */\n  determineEventTypes: function determineEventTypes() {\n    // determine the eventtype we want to set\n    var types;\n\n    // pointerEvents magic\n    if(Hammer.HAS_POINTEREVENTS) {\n      types = Hammer.PointerEvent.getEvents();\n    }\n    // on Android, iOS, blackberry, windows mobile we dont want any mouseevents\n    else if(Hammer.NO_MOUSEEVENTS) {\n      types = [\n        'touchstart',\n        'touchmove',\n        'touchend touchcancel'];\n    }\n    // for non pointer events browsers and mixed browsers,\n    // like chrome on windows8 touch laptop\n    else {\n      types = [\n        'touchstart mousedown',\n        'touchmove mousemove',\n        'touchend touchcancel mouseup'];\n    }\n\n    Hammer.EVENT_TYPES[Hammer.EVENT_START] = types[0];\n    Hammer.EVENT_TYPES[Hammer.EVENT_MOVE] = types[1];\n    Hammer.EVENT_TYPES[Hammer.EVENT_END] = types[2];\n  },\n\n\n  /**\n   * create touchlist depending on the event\n   * @param   {Object}    ev\n   * @param   {String}    eventType   used by the fakemultitouch plugin\n   */\n  getTouchList: function getTouchList(ev/*, eventType*/) {\n    // get the fake pointerEvent touchlist\n    if(Hammer.HAS_POINTEREVENTS) {\n      return Hammer.PointerEvent.getTouchList();\n    }\n    // get the touchlist\n    else if(ev.touches) {\n      return ev.touches;\n    }\n    // make fake touchlist from mouse position\n    else {\n      ev.identifier = 1;\n      return [ev];\n    }\n  },\n\n\n  /**\n   * collect event data for Hammer js\n   * @param   {HTMLElement}   element\n   * @param   {String}        eventType        like Hammer.EVENT_MOVE\n   * @param   {Object}        eventData\n   */\n  collectEventData: function collectEventData(element, eventType, touches, ev) {\n    // find out pointerType\n    var pointerType = Hammer.POINTER_TOUCH;\n    if(ev.type.match(/mouse/) || Hammer.PointerEvent.matchType(Hammer.POINTER_MOUSE, ev)) {\n      pointerType = Hammer.POINTER_MOUSE;\n    }\n\n    return {\n      center     : Hammer.utils.getCenter(touches),\n      timeStamp  : new Date().getTime(),\n      target     : ev.target,\n      touches    : touches,\n      eventType  : eventType,\n      pointerType: pointerType,\n      srcEvent   : ev,\n\n      /**\n       * prevent the browser default actions\n       * mostly used to disable scrolling of the browser\n       */\n      preventDefault: function() {\n        if(this.srcEvent.preventManipulation) {\n          this.srcEvent.preventManipulation();\n        }\n\n        if(this.srcEvent.preventDefault) {\n          this.srcEvent.preventDefault();\n        }\n      },\n\n      /**\n       * stop bubbling the event up to its parents\n       */\n      stopPropagation: function() {\n        this.srcEvent.stopPropagation();\n      },\n\n      /**\n       * immediately stop gesture detection\n       * might be useful after a swipe was detected\n       * @return {*}\n       */\n      stopDetect: function() {\n        return Hammer.detection.stopDetect();\n      }\n    };\n  }\n};\n\nHammer.PointerEvent = {\n  /**\n   * holds all pointers\n   * @type {Object}\n   */\n  pointers: {},\n\n  /**\n   * get a list of pointers\n   * @returns {Array}     touchlist\n   */\n  getTouchList: function() {\n    var self = this;\n    var touchlist = [];\n\n    // we can use forEach since pointerEvents only is in IE10\n    Hammer.utils.each(self.pointers, function(pointer){\n      touchlist.push(pointer);\n    });\n\n    return touchlist;\n  },\n\n  /**\n   * update the position of a pointer\n   * @param   {String}   type             Hammer.EVENT_END\n   * @param   {Object}   pointerEvent\n   */\n  updatePointer: function(type, pointerEvent) {\n    if(type == Hammer.EVENT_END) {\n      delete this.pointers[pointerEvent.pointerId];\n    }\n    else {\n      pointerEvent.identifier = pointerEvent.pointerId;\n      this.pointers[pointerEvent.pointerId] = pointerEvent;\n    }\n\n    return Object.keys(this.pointers).length;\n  },\n\n  /**\n   * check if ev matches pointertype\n   * @param   {String}        pointerType     Hammer.POINTER_MOUSE\n   * @param   {PointerEvent}  ev\n   */\n  matchType: function(pointerType, ev) {\n    if(!ev.pointerType) {\n      return false;\n    }\n\n    var pt = ev.pointerType,\n      types = {};\n    types[Hammer.POINTER_MOUSE] = (pt === ev.MSPOINTER_TYPE_MOUSE || pt === Hammer.POINTER_MOUSE);\n    types[Hammer.POINTER_TOUCH] = (pt === ev.MSPOINTER_TYPE_TOUCH || pt === Hammer.POINTER_TOUCH);\n    types[Hammer.POINTER_PEN] = (pt === ev.MSPOINTER_TYPE_PEN || pt === Hammer.POINTER_PEN);\n    return types[pointerType];\n  },\n\n\n  /**\n   * get events\n   */\n  getEvents: function() {\n    return [\n      'pointerdown MSPointerDown',\n      'pointermove MSPointerMove',\n      'pointerup pointercancel MSPointerUp MSPointerCancel'\n    ];\n  },\n\n  /**\n   * reset the list\n   */\n  reset: function() {\n    this.pointers = {};\n  }\n};\n\n\nHammer.detection = {\n  // contains all registred Hammer.gestures in the correct order\n  gestures: [],\n\n  // data of the current Hammer.gesture detection session\n  current : null,\n\n  // the previous Hammer.gesture session data\n  // is a full clone of the previous gesture.current object\n  previous: null,\n\n  // when this becomes true, no gestures are fired\n  stopped : false,\n\n\n  /**\n   * start Hammer.gesture detection\n   * @param   {Hammer.Instance}   inst\n   * @param   {Object}            eventData\n   */\n  startDetect: function startDetect(inst, eventData) {\n    // already busy with a Hammer.gesture detection on an element\n    if(this.current) {\n      return;\n    }\n\n    this.stopped = false;\n\n    this.current = {\n      inst      : inst, // reference to HammerInstance we're working for\n      startEvent: Hammer.utils.extend({}, eventData), // start eventData for distances, timing etc\n      lastEvent : false, // last eventData\n      lastVEvent: false, // last eventData for velocity.\n      velocity  : false, // current velocity\n      name      : '' // current gesture we're in/detected, can be 'tap', 'hold' etc\n    };\n\n    this.detect(eventData);\n  },\n\n\n  /**\n   * Hammer.gesture detection\n   * @param   {Object}    eventData\n   */\n  detect: function detect(eventData) {\n    if(!this.current || this.stopped) {\n      return;\n    }\n\n    // extend event data with calculations about scale, distance etc\n    eventData = this.extendEventData(eventData);\n\n    // instance options\n    var inst_options = this.current.inst.options;\n\n    // call Hammer.gesture handlers\n    Hammer.utils.each(this.gestures, function(gesture) {\n      // only when the instance options have enabled this gesture\n      if(!this.stopped && inst_options[gesture.name] !== false) {\n        // if a handler returns false, we stop with the detection\n        if(gesture.handler.call(gesture, eventData, this.current.inst) === false) {\n          this.stopDetect();\n          return false;\n        }\n      }\n    }, this);\n\n    // store as previous event event\n    if(this.current) {\n      this.current.lastEvent = eventData;\n    }\n\n    // endevent, but not the last touch, so dont stop\n    if(eventData.eventType == Hammer.EVENT_END && !eventData.touches.length - 1) {\n      this.stopDetect();\n    }\n\n    return eventData;\n  },\n\n\n  /**\n   * clear the Hammer.gesture vars\n   * this is called on endDetect, but can also be used when a final Hammer.gesture has been detected\n   * to stop other Hammer.gestures from being fired\n   */\n  stopDetect: function stopDetect() {\n    // clone current data to the store as the previous gesture\n    // used for the double tap gesture, since this is an other gesture detect session\n    this.previous = Hammer.utils.extend({}, this.current);\n\n    // reset the current\n    this.current = null;\n\n    // stopped!\n    this.stopped = true;\n  },\n\n\n  /**\n   * extend eventData for Hammer.gestures\n   * @param   {Object}   ev\n   * @returns {Object}   ev\n   */\n  extendEventData: function extendEventData(ev) {\n    var startEv = this.current.startEvent,\n        lastVEv = this.current.lastVEvent;\n\n    // if the touches change, set the new touches over the startEvent touches\n    // this because touchevents don't have all the touches on touchstart, or the\n    // user must place his fingers at the EXACT same time on the screen, which is not realistic\n    // but, sometimes it happens that both fingers are touching at the EXACT same time\n    if(startEv && (ev.touches.length != startEv.touches.length || ev.touches === startEv.touches)) {\n      // extend 1 level deep to get the touchlist with the touch objects\n      startEv.touches = [];\n      Hammer.utils.each(ev.touches, function(touch) {\n        startEv.touches.push(Hammer.utils.extend({}, touch));\n      });\n    }\n\n    var delta_time = ev.timeStamp - startEv.timeStamp\n      , delta_x = ev.center.pageX - startEv.center.pageX\n      , delta_y = ev.center.pageY - startEv.center.pageY\n      , interimAngle\n      , interimDirection\n      , velocity = this.current.velocity;\n  \n    if (lastVEv !== false && ev.timeStamp - lastVEv.timeStamp > Hammer.UPDATE_VELOCITY_INTERVAL) {\n  \n        velocity =  Hammer.utils.getVelocity(ev.timeStamp - lastVEv.timeStamp, ev.center.pageX - lastVEv.center.pageX, ev.center.pageY - lastVEv.center.pageY);\n        this.current.lastVEvent = ev;\n  \n        if (velocity.x > 0 && velocity.y > 0) {\n            this.current.velocity = velocity;\n        }\n  \n    } else if(this.current.velocity === false) {\n        velocity = Hammer.utils.getVelocity(delta_time, delta_x, delta_y);\n        this.current.velocity = velocity;\n        this.current.lastVEvent = ev;\n    }\n\n    // end events (e.g. dragend) don't have useful values for interimDirection & interimAngle\n    // because the previous event has exactly the same coordinates\n    // so for end events, take the previous values of interimDirection & interimAngle\n    // instead of recalculating them and getting a spurious '0'\n    if(ev.eventType === 'end') {\n      interimAngle = this.current.lastEvent && this.current.lastEvent.interimAngle;\n      interimDirection = this.current.lastEvent && this.current.lastEvent.interimDirection;\n    }\n    else {\n      interimAngle = this.current.lastEvent && Hammer.utils.getAngle(this.current.lastEvent.center, ev.center);\n      interimDirection = this.current.lastEvent && Hammer.utils.getDirection(this.current.lastEvent.center, ev.center);\n    }\n\n    Hammer.utils.extend(ev, {\n      deltaTime: delta_time,\n\n      deltaX: delta_x,\n      deltaY: delta_y,\n\n      velocityX: velocity.x,\n      velocityY: velocity.y,\n\n      distance: Hammer.utils.getDistance(startEv.center, ev.center),\n\n      angle: Hammer.utils.getAngle(startEv.center, ev.center),\n      interimAngle: interimAngle,\n\n      direction: Hammer.utils.getDirection(startEv.center, ev.center),\n      interimDirection: interimDirection,\n\n      scale: Hammer.utils.getScale(startEv.touches, ev.touches),\n      rotation: Hammer.utils.getRotation(startEv.touches, ev.touches),\n\n      startEvent: startEv\n    });\n\n    return ev;\n  },\n\n\n  /**\n   * register new gesture\n   * @param   {Object}    gesture object, see gestures.js for documentation\n   * @returns {Array}     gestures\n   */\n  register: function register(gesture) {\n    // add an enable gesture options if there is no given\n    var options = gesture.defaults || {};\n    if(options[gesture.name] === undefined) {\n      options[gesture.name] = true;\n    }\n\n    // extend Hammer default options with the Hammer.gesture options\n    Hammer.utils.extend(Hammer.defaults, options, true);\n\n    // set its index\n    gesture.index = gesture.index || 1000;\n\n    // add Hammer.gesture to the list\n    this.gestures.push(gesture);\n\n    // sort the list by index\n    this.gestures.sort(function(a, b) {\n      if(a.index < b.index) { return -1; }\n      if(a.index > b.index) { return 1; }\n      return 0;\n    });\n\n    return this.gestures;\n  }\n};\n\n\n/**\n * Drag\n * Move with x fingers (default 1) around on the page. Blocking the scrolling when\n * moving left and right is a good practice. When all the drag events are blocking\n * you disable scrolling on that area.\n * @events  drag, drapleft, dragright, dragup, dragdown\n */\nHammer.gestures.Drag = {\n  name     : 'drag',\n  index    : 50,\n  defaults : {\n    drag_min_distance            : 10,\n\n    // Set correct_for_drag_min_distance to true to make the starting point of the drag\n    // be calculated from where the drag was triggered, not from where the touch started.\n    // Useful to avoid a jerk-starting drag, which can make fine-adjustments\n    // through dragging difficult, and be visually unappealing.\n    correct_for_drag_min_distance: true,\n\n    // set 0 for unlimited, but this can conflict with transform\n    drag_max_touches             : 1,\n\n    // prevent default browser behavior when dragging occurs\n    // be careful with it, it makes the element a blocking element\n    // when you are using the drag gesture, it is a good practice to set this true\n    drag_block_horizontal        : false,\n    drag_block_vertical          : false,\n\n    // drag_lock_to_axis keeps the drag gesture on the axis that it started on,\n    // It disallows vertical directions if the initial direction was horizontal, and vice versa.\n    drag_lock_to_axis            : false,\n\n    // drag lock only kicks in when distance > drag_lock_min_distance\n    // This way, locking occurs only when the distance has become large enough to reliably determine the direction\n    drag_lock_min_distance       : 25\n  },\n\n  triggered: false,\n  handler  : function dragGesture(ev, inst) {\n    // current gesture isnt drag, but dragged is true\n    // this means an other gesture is busy. now call dragend\n    if(Hammer.detection.current.name != this.name && this.triggered) {\n      inst.trigger(this.name + 'end', ev);\n      this.triggered = false;\n      return;\n    }\n\n    // max touches\n    if(inst.options.drag_max_touches > 0 &&\n      ev.touches.length > inst.options.drag_max_touches) {\n      return;\n    }\n\n    switch(ev.eventType) {\n      case Hammer.EVENT_START:\n        this.triggered = false;\n        break;\n\n      case Hammer.EVENT_MOVE:\n        // when the distance we moved is too small we skip this gesture\n        // or we can be already in dragging\n        if(ev.distance < inst.options.drag_min_distance &&\n          Hammer.detection.current.name != this.name) {\n          return;\n        }\n\n        // we are dragging!\n        if(Hammer.detection.current.name != this.name) {\n          Hammer.detection.current.name = this.name;\n          if(inst.options.correct_for_drag_min_distance && ev.distance > 0) {\n            // When a drag is triggered, set the event center to drag_min_distance pixels from the original event center.\n            // Without this correction, the dragged distance would jumpstart at drag_min_distance pixels instead of at 0.\n            // It might be useful to save the original start point somewhere\n            var factor = Math.abs(inst.options.drag_min_distance / ev.distance);\n            Hammer.detection.current.startEvent.center.pageX += ev.deltaX * factor;\n            Hammer.detection.current.startEvent.center.pageY += ev.deltaY * factor;\n\n            // recalculate event data using new start point\n            ev = Hammer.detection.extendEventData(ev);\n          }\n        }\n\n        // lock drag to axis?\n        if(Hammer.detection.current.lastEvent.drag_locked_to_axis || (inst.options.drag_lock_to_axis && inst.options.drag_lock_min_distance <= ev.distance)) {\n          ev.drag_locked_to_axis = true;\n        }\n        var last_direction = Hammer.detection.current.lastEvent.direction;\n        if(ev.drag_locked_to_axis && last_direction !== ev.direction) {\n          // keep direction on the axis that the drag gesture started on\n          if(Hammer.utils.isVertical(last_direction)) {\n            ev.direction = (ev.deltaY < 0) ? Hammer.DIRECTION_UP : Hammer.DIRECTION_DOWN;\n          }\n          else {\n            ev.direction = (ev.deltaX < 0) ? Hammer.DIRECTION_LEFT : Hammer.DIRECTION_RIGHT;\n          }\n        }\n\n        // first time, trigger dragstart event\n        if(!this.triggered) {\n          inst.trigger(this.name + 'start', ev);\n          this.triggered = true;\n        }\n\n        // trigger normal event\n        inst.trigger(this.name, ev);\n\n        // direction event, like dragdown\n        inst.trigger(this.name + ev.direction, ev);\n\n        // block the browser events\n        if((inst.options.drag_block_vertical && Hammer.utils.isVertical(ev.direction)) ||\n          (inst.options.drag_block_horizontal && !Hammer.utils.isVertical(ev.direction))) {\n          ev.preventDefault();\n        }\n        break;\n\n      case Hammer.EVENT_END:\n        // trigger dragend\n        if(this.triggered) {\n          inst.trigger(this.name + 'end', ev);\n        }\n\n        this.triggered = false;\n        break;\n    }\n  }\n};\n\n/**\n * Hold\n * Touch stays at the same place for x time\n * @events  hold\n */\nHammer.gestures.Hold = {\n  name    : 'hold',\n  index   : 10,\n  defaults: {\n    hold_timeout  : 500,\n    hold_threshold: 1\n  },\n  timer   : null,\n  handler : function holdGesture(ev, inst) {\n    switch(ev.eventType) {\n      case Hammer.EVENT_START:\n        // clear any running timers\n        clearTimeout(this.timer);\n\n        // set the gesture so we can check in the timeout if it still is\n        Hammer.detection.current.name = this.name;\n\n        // set timer and if after the timeout it still is hold,\n        // we trigger the hold event\n        this.timer = setTimeout(function() {\n          if(Hammer.detection.current.name == 'hold') {\n            inst.trigger('hold', ev);\n          }\n        }, inst.options.hold_timeout);\n        break;\n\n      // when you move or end we clear the timer\n      case Hammer.EVENT_MOVE:\n        if(ev.distance > inst.options.hold_threshold) {\n          clearTimeout(this.timer);\n        }\n        break;\n\n      case Hammer.EVENT_END:\n        clearTimeout(this.timer);\n        break;\n    }\n  }\n};\n\n/**\n * Release\n * Called as last, tells the user has released the screen\n * @events  release\n */\nHammer.gestures.Release = {\n  name   : 'release',\n  index  : Infinity,\n  handler: function releaseGesture(ev, inst) {\n    if(ev.eventType == Hammer.EVENT_END) {\n      inst.trigger(this.name, ev);\n    }\n  }\n};\n\n/**\n * Swipe\n * triggers swipe events when the end velocity is above the threshold\n * @events  swipe, swipeleft, swiperight, swipeup, swipedown\n */\nHammer.gestures.Swipe = {\n  name    : 'swipe',\n  index   : 40,\n  defaults: {\n    // set 0 for unlimited, but this can conflict with transform\n    swipe_min_touches: 1,\n    swipe_max_touches: 1,\n    swipe_velocity   : 0.7\n  },\n  handler : function swipeGesture(ev, inst) {\n    if(ev.eventType == Hammer.EVENT_END) {\n      // max touches\n      if(inst.options.swipe_max_touches > 0 &&\n        ev.touches.length < inst.options.swipe_min_touches &&\n        ev.touches.length > inst.options.swipe_max_touches) {\n        return;\n      }\n\n      // when the distance we moved is too small we skip this gesture\n      // or we can be already in dragging\n      if(ev.velocityX > inst.options.swipe_velocity ||\n        ev.velocityY > inst.options.swipe_velocity) {\n        // trigger swipe events\n        inst.trigger(this.name, ev);\n        inst.trigger(this.name + ev.direction, ev);\n      }\n    }\n  }\n};\n\n/**\n * Tap/DoubleTap\n * Quick touch at a place or double at the same place\n * @events  tap, doubletap\n */\nHammer.gestures.Tap = {\n  name    : 'tap',\n  index   : 100,\n  defaults: {\n    tap_max_touchtime : 250,\n    tap_max_distance  : 10,\n    tap_always        : true,\n    doubletap_distance: 20,\n    doubletap_interval: 300\n  },\n  handler : function tapGesture(ev, inst) {\n    if(ev.eventType == Hammer.EVENT_MOVE && !Hammer.detection.current.reachedTapMaxDistance) {\n      //Track the distance we've moved. If it's above the max ONCE, remember that (fixes #406).\n      Hammer.detection.current.reachedTapMaxDistance = (ev.distance > inst.options.tap_max_distance);\n    } else if(ev.eventType == Hammer.EVENT_END && ev.srcEvent.type != 'touchcancel') {\n      // previous gesture, for the double tap since these are two different gesture detections\n      var prev = Hammer.detection.previous,\n        did_doubletap = false;\n\n      // when the touchtime is higher then the max touch time\n      // or when the moving distance is too much\n      if(Hammer.detection.current.reachedTapMaxDistance || ev.deltaTime > inst.options.tap_max_touchtime) {\n        return;\n      }\n\n      // check if double tap\n      if(prev && prev.name == 'tap' &&\n        (ev.timeStamp - prev.lastEvent.timeStamp) < inst.options.doubletap_interval &&\n        ev.distance < inst.options.doubletap_distance) {\n        inst.trigger('doubletap', ev);\n        did_doubletap = true;\n      }\n\n      // do a single tap\n      if(!did_doubletap || inst.options.tap_always) {\n        Hammer.detection.current.name = 'tap';\n        inst.trigger(Hammer.detection.current.name, ev);\n      }\n    }\n  }\n};\n\n/**\n * Touch\n * Called as first, tells the user has touched the screen\n * @events  touch\n */\nHammer.gestures.Touch = {\n  name    : 'touch',\n  index   : -Infinity,\n  defaults: {\n    // call preventDefault at touchstart, and makes the element blocking by\n    // disabling the scrolling of the page, but it improves gestures like\n    // transforming and dragging.\n    // be careful with using this, it can be very annoying for users to be stuck\n    // on the page\n    prevent_default    : false,\n\n    // disable mouse events, so only touch (or pen!) input triggers events\n    prevent_mouseevents: false\n  },\n  handler : function touchGesture(ev, inst) {\n    if(inst.options.prevent_mouseevents && ev.pointerType == Hammer.POINTER_MOUSE) {\n      ev.stopDetect();\n      return;\n    }\n\n    if(inst.options.prevent_default) {\n      ev.preventDefault();\n    }\n\n    if(ev.eventType == Hammer.EVENT_START) {\n      inst.trigger(this.name, ev);\n    }\n  }\n};\n\n\n/**\n * Transform\n * User want to scale or rotate with 2 fingers\n * @events  transform, pinch, pinchin, pinchout, rotate\n */\nHammer.gestures.Transform = {\n  name     : 'transform',\n  index    : 45,\n  defaults : {\n    // factor, no scale is 1, zoomin is to 0 and zoomout until higher then 1\n    transform_min_scale   : 0.01,\n    // rotation in degrees\n    transform_min_rotation: 1,\n    // prevent default browser behavior when two touches are on the screen\n    // but it makes the element a blocking element\n    // when you are using the transform gesture, it is a good practice to set this true\n    transform_always_block: false\n  },\n  triggered: false,\n  handler  : function transformGesture(ev, inst) {\n    // current gesture isnt drag, but dragged is true\n    // this means an other gesture is busy. now call dragend\n    if(Hammer.detection.current.name != this.name && this.triggered) {\n      inst.trigger(this.name + 'end', ev);\n      this.triggered = false;\n      return;\n    }\n\n    // atleast multitouch\n    if(ev.touches.length < 2) {\n      return;\n    }\n\n    // prevent default when two fingers are on the screen\n    if(inst.options.transform_always_block) {\n      ev.preventDefault();\n    }\n\n    switch(ev.eventType) {\n      case Hammer.EVENT_START:\n        this.triggered = false;\n        break;\n\n      case Hammer.EVENT_MOVE:\n        var scale_threshold = Math.abs(1 - ev.scale);\n        var rotation_threshold = Math.abs(ev.rotation);\n\n        // when the distance we moved is too small we skip this gesture\n        // or we can be already in dragging\n        if(scale_threshold < inst.options.transform_min_scale &&\n          rotation_threshold < inst.options.transform_min_rotation) {\n          return;\n        }\n\n        // we are transforming!\n        Hammer.detection.current.name = this.name;\n\n        // first time, trigger dragstart event\n        if(!this.triggered) {\n          inst.trigger(this.name + 'start', ev);\n          this.triggered = true;\n        }\n\n        inst.trigger(this.name, ev); // basic transform event\n\n        // trigger rotate event\n        if(rotation_threshold > inst.options.transform_min_rotation) {\n          inst.trigger('rotate', ev);\n        }\n\n        // trigger pinch event\n        if(scale_threshold > inst.options.transform_min_scale) {\n          inst.trigger('pinch', ev);\n          inst.trigger('pinch' + ((ev.scale < 1) ? 'in' : 'out'), ev);\n        }\n        break;\n\n      case Hammer.EVENT_END:\n        // trigger dragend\n        if(this.triggered) {\n          inst.trigger(this.name + 'end', ev);\n        }\n\n        this.triggered = false;\n        break;\n    }\n  }\n};\n\n  // Based off Lo-Dash's excellent UMD wrapper (slightly modified) - https://github.com/bestiejs/lodash/blob/master/lodash.js#L5515-L5543\n  // some AMD build optimizers, like r.js, check for specific condition patterns like the following:\n  if(typeof define == 'function' && define.amd) {\n    // define as an anonymous module\n    define(function() { return Hammer; });\n  }\n\n  // check for `exports` after `define` in case a build optimizer adds an `exports` object\n  else if(typeof module === 'object' && module.exports) {\n    module.exports = Hammer;\n  }\n\n  else {\n    window.Hammer = Hammer;\n  }\n\n})(window);\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfunction EventEmitter() {\n  this._events = this._events || {};\n  this._maxListeners = this._maxListeners || undefined;\n}\nmodule.exports = EventEmitter;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nEventEmitter.defaultMaxListeners = 10;\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function(n) {\n  if (!isNumber(n) || n < 0 || isNaN(n))\n    throw TypeError('n must be a positive number');\n  this._maxListeners = n;\n  return this;\n};\n\nEventEmitter.prototype.emit = function(type) {\n  var er, handler, len, args, i, listeners;\n\n  if (!this._events)\n    this._events = {};\n\n  // If there is no 'error' event listener then throw.\n  if (type === 'error') {\n    if (!this._events.error ||\n        (isObject(this._events.error) && !this._events.error.length)) {\n      er = arguments[1];\n      if (er instanceof Error) {\n        throw er; // Unhandled 'error' event\n      }\n      throw TypeError('Uncaught, unspecified \"error\" event.');\n    }\n  }\n\n  handler = this._events[type];\n\n  if (isUndefined(handler))\n    return false;\n\n  if (isFunction(handler)) {\n    switch (arguments.length) {\n      // fast cases\n      case 1:\n        handler.call(this);\n        break;\n      case 2:\n        handler.call(this, arguments[1]);\n        break;\n      case 3:\n        handler.call(this, arguments[1], arguments[2]);\n        break;\n      // slower\n      default:\n        len = arguments.length;\n        args = new Array(len - 1);\n        for (i = 1; i < len; i++)\n          args[i - 1] = arguments[i];\n        handler.apply(this, args);\n    }\n  } else if (isObject(handler)) {\n    len = arguments.length;\n    args = new Array(len - 1);\n    for (i = 1; i < len; i++)\n      args[i - 1] = arguments[i];\n\n    listeners = handler.slice();\n    len = listeners.length;\n    for (i = 0; i < len; i++)\n      listeners[i].apply(this, args);\n  }\n\n  return true;\n};\n\nEventEmitter.prototype.addListener = function(type, listener) {\n  var m;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events)\n    this._events = {};\n\n  // To avoid recursion in the case that type === \"newListener\"! Before\n  // adding it to the listeners, first emit \"newListener\".\n  if (this._events.newListener)\n    this.emit('newListener', type,\n              isFunction(listener.listener) ?\n              listener.listener : listener);\n\n  if (!this._events[type])\n    // Optimize the case of one listener. Don't need the extra array object.\n    this._events[type] = listener;\n  else if (isObject(this._events[type]))\n    // If we've already got an array, just append.\n    this._events[type].push(listener);\n  else\n    // Adding the second element, need to change to array.\n    this._events[type] = [this._events[type], listener];\n\n  // Check for listener leak\n  if (isObject(this._events[type]) && !this._events[type].warned) {\n    var m;\n    if (!isUndefined(this._maxListeners)) {\n      m = this._maxListeners;\n    } else {\n      m = EventEmitter.defaultMaxListeners;\n    }\n\n    if (m && m > 0 && this._events[type].length > m) {\n      this._events[type].warned = true;\n      console.error('(node) warning: possible EventEmitter memory ' +\n                    'leak detected. %d listeners added. ' +\n                    'Use emitter.setMaxListeners() to increase limit.',\n                    this._events[type].length);\n      if (typeof console.trace === 'function') {\n        // not supported in IE 10\n        console.trace();\n      }\n    }\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.once = function(type, listener) {\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  var fired = false;\n\n  function g() {\n    this.removeListener(type, g);\n\n    if (!fired) {\n      fired = true;\n      listener.apply(this, arguments);\n    }\n  }\n\n  g.listener = listener;\n  this.on(type, g);\n\n  return this;\n};\n\n// emits a 'removeListener' event iff the listener was removed\nEventEmitter.prototype.removeListener = function(type, listener) {\n  var list, position, length, i;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events || !this._events[type])\n    return this;\n\n  list = this._events[type];\n  length = list.length;\n  position = -1;\n\n  if (list === listener ||\n      (isFunction(list.listener) && list.listener === listener)) {\n    delete this._events[type];\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n\n  } else if (isObject(list)) {\n    for (i = length; i-- > 0;) {\n      if (list[i] === listener ||\n          (list[i].listener && list[i].listener === listener)) {\n        position = i;\n        break;\n      }\n    }\n\n    if (position < 0)\n      return this;\n\n    if (list.length === 1) {\n      list.length = 0;\n      delete this._events[type];\n    } else {\n      list.splice(position, 1);\n    }\n\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n  var key, listeners;\n\n  if (!this._events)\n    return this;\n\n  // not listening for removeListener, no need to emit\n  if (!this._events.removeListener) {\n    if (arguments.length === 0)\n      this._events = {};\n    else if (this._events[type])\n      delete this._events[type];\n    return this;\n  }\n\n  // emit removeListener for all listeners on all events\n  if (arguments.length === 0) {\n    for (key in this._events) {\n      if (key === 'removeListener') continue;\n      this.removeAllListeners(key);\n    }\n    this.removeAllListeners('removeListener');\n    this._events = {};\n    return this;\n  }\n\n  listeners = this._events[type];\n\n  if (isFunction(listeners)) {\n    this.removeListener(type, listeners);\n  } else {\n    // LIFO order\n    while (listeners.length)\n      this.removeListener(type, listeners[listeners.length - 1]);\n  }\n  delete this._events[type];\n\n  return this;\n};\n\nEventEmitter.prototype.listeners = function(type) {\n  var ret;\n  if (!this._events || !this._events[type])\n    ret = [];\n  else if (isFunction(this._events[type]))\n    ret = [this._events[type]];\n  else\n    ret = this._events[type].slice();\n  return ret;\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n  var ret;\n  if (!emitter._events || !emitter._events[type])\n    ret = 0;\n  else if (isFunction(emitter._events[type]))\n    ret = 1;\n  else\n    ret = emitter._events[type].length;\n  return ret;\n};\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\n"]} +/******/ }); \ No newline at end of file diff --git a/dist/skifree.min.js b/dist/skifree.min.js index e2e70f7..53300d4 100644 --- a/dist/skifree.min.js +++ b/dist/skifree.min.js @@ -1,2 +1,6 @@ -(function e(t,n,r){function i(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return 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navigator!="undefined"?navigator.vibrate=navigator.vibrate||navigator.webkitVibrate||navigator.mozVibrate||navigator.msVibrate:navigator={vibrate:!1},function(e){function t(e){function b(){n.setSpeed(c),n.isMoving=!0,n.hasBeenHit=!1,n.isJumping=!1,n.isPerformingTrick=!1,u&&clearInterval(u),n.setMapPosition(undefined,undefined,0)}function w(){n.isMoving=!1,n.hasBeenHit=!0,n.isJumping=!1,n.isPerformingTrick=!1,u&&clearInterval(u),n.setMapPosition(undefined,undefined,0)}function E(){var e=n.getSpeed();n.setSpeed(e+2),n.setSpeedY(e+2),n.isMoving=!0,n.hasBeenHit=!1,n.isJumping=!0,n.setMapPosition(undefined,undefined,1)}function S(){if(n.direction)return n.direction<=90?"east":n.direction>90&&n.direction<150?"esEast":n.direction>=150&&n.direction<180?"sEast":n.direction===180?"south":n.direction>180&&n.direction<=210?"sWest":n.direction>210&&n.direction<270?"wsWest":n.direction>=270?"west":"south";var e=n.movingToward[0]-n.mapPosition[0],t=n.movingToward[1]-n.mapPosition[1];return 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n.isBeingEaten?T():n.isJumping?n.isPerformingTrick?C():N():n.hasBeenHit?"hit":S()};return i.draw(e,t())},n.hits=function(e){return f.indexOf(e.id)!==-1?!1:e.occupiesZIndex(n.mapPosition[2])?i.hits(e)?!0:!1:!1},n.speedBoost=function(){var e=n.speed;a&&(a=!1,n.setSpeed(n.speed*h),setTimeout(function(){n.setSpeed(e),setTimeout(function(){a=!0},1e4)},2e3))},n.attemptTrick=function(){n.isJumping&&(n.isPerformingTrick=!0,u=setInterval(function(){y>=2?y=0:y+=1},300))},n.getStandardSpeed=function(){return c},n.getSpeedX=function(){return S()==="esEast"||S()==="wsWest"?(v=.5,d=k(d,n.getSpeed()*v,v),d):S()==="sEast"||S()==="sWest"?(v=.33,d=k(d,n.getSpeed()*v,v),d):(d=k(d,0,v),d)},n.setSpeedY=function(e){m=e},n.getSpeedY=function(){var e;return n.isJumping?m:S()==="esEast"||S()==="wsWest"?(g=.6,m=k(m,n.getSpeed()*.6,.6),m):S()==="sEast"||S()==="sWest"?(g=.85,m=k(m,n.getSpeed()*.85,.85),m):S()==="east"||S()==="west"?(g=1,m=0,m):(m=k(m,n.getSpeed(),g),m)},n.hasHitObstacle=function(e){w(),navigator.vibrate&&navigator.vibrate(500),f.push(e.id),n.resetSpeed(),n.onHitObstacleCb(e),o&&clearTimeout(o),o=setTimeout(function(){b()},1500)},n.hasHitJump=function(){E(),o&&clearTimeout(o),o=setTimeout(function(){b()},1e3)},n.isEatenBy=function(e,t){n.hasHitObstacle(e),e.startEating(t),f.push(e.id),n.isMoving=!1,n.isBeingEaten=!0},n.reset=function(){f=[],l=0,n.isMoving=!0,n.isJumping=!1,n.hasBeenHit=!1,a=!0},n.setHitObstacleCb=function(e){n.onHitObstacleCb=e||function(){}},n}e.skier=t}(this),typeof t!="undefined"&&(t.exports=this.skier)},{"./sprite":11}],10:[function(e,t,n){var r=e("./sprite");(function(e){function t(e){function o(){var e=t.movingToward[0]-t.mapPosition[0],n=t.movingToward[1]-t.mapPosition[1];return i.sEast(e)?"sEast":"sWest"}var t=new r(e),n={draw:t.superior("draw"),cycle:t.superior("cycle")},i={sEast:function(e){return e>0},sWest:function(e){return e<=0}},s=3;return t.setSpeed(s),t.cycle=function(e){Number.random(10)===1&&(t.setMapPositionTarget(e.getRandomlyInTheCentreOfMap()),t.setSpeed(s+Number.random(-1,1))),t.setMapPositionTarget(undefined,e.getMapBelowViewport()+600),n.cycle()},t.draw=function(e){var t=function(){return o()};return n.draw(e,t())},t}e.snowboarder=t})(this),typeof t!="undefined"&&(t.exports=this.snowboarder)},{"./sprite":11}],11:[function(e,t,n){(function(t){function r(e){function o(e){i.canvasX+=e.toNumber()}function u(e){i.canvasY+=e.toNumber()}function a(t){if(i.data.hitBoxes&&e.hitBoxes[t])return e.hitBoxes[t]}function f(e){return e=Math.round(e*2)/2,e}function l(){if(!i.isMoving)return;var e=i.mapPosition[0],t=i.mapPosition[1];if(typeof i.direction!="undefined"){var n=i.direction-90;n<0&&(n=360+n),e+=f(i.speed*Math.cos(n*(Math.PI/180))),t+=f(i.speed*Math.sin(n*(Math.PI/180)))}else typeof i.movingToward[0]!="undefined"&&(e>i.movingToward[0]?e-=Math.min(i.getSpeedX(),Math.abs(e-i.movingToward[0])):ei.movingToward[1]?t-=Math.min(i.getSpeedY(),Math.abs(t-i.movingToward[1])):t75?0-e:0,r=-t;return[n,r]},this.checkHittableObjects=function(){Object.keys(t,function(e,n){n.object.deleted?delete t[e]:n.object.hits(i)&&n.callbacks.each(function(e){e(i,n.object)})})},this.cycle=function(){i.checkHittableObjects(),s&&i.setMapPositionTarget(s.mapPosition[0],s.mapPosition[1],!0),l()},this.setMapPositionTarget=function(e,t,n){n&&(i.movingWithConviction=!1),i.movingWithConviction||(typeof e=="undefined"&&(e=i.movingToward[0]),typeof t=="undefined"&&(t=i.movingToward[1]),i.movingToward=[e,t],i.movingWithConviction=!1)},this.setDirection=function(e){e>=360&&(e=360-e),i.direction=e,i.movingToward=undefined},this.resetDirection=function(){i.direction=undefined},this.setMapPositionTargetWithConviction=function(e,t){i.setMapPositionTarget(e,t),i.movingWithConviction=!0},this.follow=function(e){s=e},this.stopFollowing=function(){s=!1},this.onHitting=function(e,n){if(t[e.id])return t[e.id].callbacks.push(n);t[e.id]={object:e,callbacks:[n]}},this.deleteOnNextCycle=function(){i.deleted=!0},this.occupiesZIndex=function(e){return r.indexOf(e)>=0},this.hits=function(e){var t=!1,n=!1;return e.getTopHitBoxEdge(i.mapPosition[2])<=i.getBottomHitBoxEdge(i.mapPosition[2])&&e.getBottomHitBoxEdge(i.mapPosition[2])>=i.getBottomHitBoxEdge(i.mapPosition[2])&&(t=!0),e.getTopHitBoxEdge(i.mapPosition[2])<=i.getTopHitBoxEdge(i.mapPosition[2])&&e.getBottomHitBoxEdge(i.mapPosition[2])>=i.getTopHitBoxEdge(i.mapPosition[2])&&(t=!0),e.getLeftHitBoxEdge(i.mapPosition[2])<=i.getRightHitBoxEdge(i.mapPosition[2])&&e.getRightHitBoxEdge(i.mapPosition[2])>=i.getRightHitBoxEdge(i.mapPosition[2])&&(n=!0),e.getLeftHitBoxEdge(i.mapPosition[2])<=i.getLeftHitBoxEdge(i.mapPosition[2])&&e.getRightHitBoxEdge(i.mapPosition[2])>=i.getLeftHitBoxEdge(i.mapPosition[2])&&(n=!0),t&&n},this.isAboveOnCanvas=function(e){return i.canvasY+i.heighte},i}var n=e("./guid");r.createObjects=function(t,n){function i(e){var t=n.position;if(Number.random(100+n.rateModifier)<=e.dropRate){var i=new r(e.sprite);return 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f(y.snowboarder),n=d.getRandomMapPositionAboveViewport(),r=d.getRandomMapPositionBelowViewport();e.setMapPosition(n[0],n[1]),e.setMapPositionTarget(r[0],r[1]),e.onHitting(t,y.snowboarder.hitBehaviour.skier),o.addMovingObject(e)}var t,n,s,o;t=new l(y.skier),t.setMapPosition(0,0),t.setMapPositionTarget(0,-10),T&&t.setHitObstacleCb(function(){S-=1}),o=new h(p,t),n=new a(y.signStart),o.addStaticObject(n),n.setMapPosition(-50,0),d.followSprite(t),s=new c({initialLines:["SkiFree.js",g,"Travelled 0m","High Score: "+x,"Skiers left: "+S,"Created by Dan Hough (@basicallydan)"],position:{top:15,right:10}}),o.beforeCycle(function(){var e=[];t.isMoving&&(e=a.createObjects([{sprite:y.smallTree,dropRate:N.smallTree},{sprite:y.tallTree,dropRate:N.tallTree},{sprite:y.jump,dropRate:N.jump},{sprite:y.thickSnow,dropRate:N.thickSnow},{sprite:y.rock,dropRate:N.rock}],{rateModifier:Math.max(800-p.width,0),position:function(){return 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this.options.stop_browser_behavior&&r.utils.startDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),r.utils.each(this._eventHandler,function(e){this.element.removeEventListener(e.gesture,e.handler,!1)},this),this._eventHandler.length=0,r.event.unbindDom(this.element,r.EVENT_TYPES[r.EVENT_START],this._eventStartHandler),this}};var s=null,o=!1,u=!1;r.event={bindDom:function(e,t,n){var i=t.split(" ");r.utils.each(i,function(t){e.addEventListener(t,n,!1)})},unbindDom:function(e,t,n){var i=t.split(" ");r.utils.each(i,function(t){e.removeEventListener(t,n,!1)})},onTouch:function(t,n,i){var a=this,f=function(f){var l=f.type.toLowerCase();if(l.match(/mouse/)&&u)return;l.match(/touch/)||l.match(/pointerdown/)||l.match(/mouse/)&&f.which===1?o=!0:l.match(/mouse/)&&!f.which&&(o=!1),l.match(/touch|pointer/)&&(u=!0);var c=0;if(o){r.HAS_POINTEREVENTS&&n!=r.EVENT_END?c=r.PointerEvent.updatePointer(n,f):l.match(/touch/)?c=f.touches.length:u||(c=l.match(/up/)?0:1),c>0&&n==r.EVENT_END?n=r.EVENT_MOVE:c||(n=r.EVENT_END);if(c||s===null)s=f;i.call(r.detection,a.collectEventData(t,n,a.getTouchList(s,n),f)),r.HAS_POINTEREVENTS&&n==r.EVENT_END&&(c=r.PointerEvent.updatePointer(n,f))}c||(s=null,o=!1,u=!1,r.PointerEvent.reset())};return this.bindDom(t,r.EVENT_TYPES[n],f),f},determineEventTypes:function(){var t;r.HAS_POINTEREVENTS?t=r.PointerEvent.getEvents():r.NO_MOUSEEVENTS?t=["touchstart","touchmove","touchend touchcancel"]:t=["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],r.EVENT_TYPES[r.EVENT_START]=t[0],r.EVENT_TYPES[r.EVENT_MOVE]=t[1],r.EVENT_TYPES[r.EVENT_END]=t[2]},getTouchList:function(t){return r.HAS_POINTEREVENTS?r.PointerEvent.getTouchList():t.touches?t.touches:(t.identifier=1,[t])},collectEventData:function(t,n,i,s){var o=r.POINTER_TOUCH;if(s.type.match(/mouse/)||r.PointerEvent.matchType(r.POINTER_MOUSE,s))o=r.POINTER_MOUSE;return{center:r.utils.getCenter(i),timeStamp:(new Date).getTime(),target:s.target,touches:i,eventType:n,pointerType:o,srcEvent:s,preventDefault:function(){this.srcEvent.preventManipulation&&this.srcEvent.preventManipulation(),this.srcEvent.preventDefault&&this.srcEvent.preventDefault()},stopPropagation:function(){this.srcEvent.stopPropagation()},stopDetect:function(){return r.detection.stopDetect()}}}},r.PointerEvent={pointers:{},getTouchList:function(){var e=this,t=[];return r.utils.each(e.pointers,function(e){t.push(e)}),t},updatePointer:function(e,t){return e==r.EVENT_END?delete this.pointers[t.pointerId]:(t.identifier=t.pointerId,this.pointers[t.pointerId]=t),Object.keys(this.pointers).length},matchType:function(e,t){if(!t.pointerType)return!1;var n=t.pointerType,i={};return i[r.POINTER_MOUSE]=n===t.MSPOINTER_TYPE_MOUSE||n===r.POINTER_MOUSE,i[r.POINTER_TOUCH]=n===t.MSPOINTER_TYPE_TOUCH||n===r.POINTER_TOUCH,i[r.POINTER_PEN]=n===t.MSPOINTER_TYPE_PEN||n===r.POINTER_PEN,i[e]},getEvents:function(){return["pointerdown MSPointerDown","pointermove MSPointerMove","pointerup pointercancel MSPointerUp MSPointerCancel"]},reset:function(){this.pointers={}}},r.detection={gestures:[],current:null,previous:null,stopped:!1,startDetect:function(t,n){if(this.current)return;this.stopped=!1,this.current={inst:t,startEvent:r.utils.extend({},n),lastEvent:!1,lastVEvent:!1,velocity:!1,name:""},this.detect(n)},detect:function(t){if(!this.current||this.stopped)return;t=this.extendEventData(t);var n=this.current.inst.options;return r.utils.each(this.gestures,function(e){if(!this.stopped&&n[e.name]!==!1&&e.handler.call(e,t,this.current.inst)===!1)return this.stopDetect(),!1},this),this.current&&(this.current.lastEvent=t),t.eventType==r.EVENT_END&&!t.touches.length-1&&this.stopDetect(),t},stopDetect:function(){this.previous=r.utils.extend({},this.current),this.current=null,this.stopped=!0},extendEventData:function(t){var n=this.current.startEvent,i=this.current.lastVEvent;n&&(t.touches.length!=n.touches.length||t.touches===n.touches)&&(n.touches=[],r.utils.each(t.touches,function(e){n.touches.push(r.utils.extend({},e))}));var s=t.timeStamp-n.timeStamp,o=t.center.pageX-n.center.pageX,u=t.center.pageY-n.center.pageY,a,f,l=this.current.velocity;return i!==!1&&t.timeStamp-i.timeStamp>r.UPDATE_VELOCITY_INTERVAL?(l=r.utils.getVelocity(t.timeStamp-i.timeStamp,t.center.pageX-i.center.pageX,t.center.pageY-i.center.pageY),this.current.lastVEvent=t,l.x>0&&l.y>0&&(this.current.velocity=l)):this.current.velocity===!1&&(l=r.utils.getVelocity(s,o,u),this.current.velocity=l,this.current.lastVEvent=t),t.eventType==="end"?(a=this.current.lastEvent&&this.current.lastEvent.interimAngle,f=this.current.lastEvent&&this.current.lastEvent.interimDirection):(a=this.current.lastEvent&&r.utils.getAngle(this.current.lastEvent.center,t.center),f=this.current.lastEvent&&r.utils.getDirection(this.current.lastEvent.center,t.center)),r.utils.extend(t,{deltaTime:s,deltaX:o,deltaY:u,velocityX:l.x,velocityY:l.y,distance:r.utils.getDistance(n.center,t.center),angle:r.utils.getAngle(n.center,t.center),interimAngle:a,direction:r.utils.getDirection(n.center,t.center),interimDirection:f,scale:r.utils.getScale(n.touches,t.touches),rotation:r.utils.getRotation(n.touches,t.touches),startEvent:n}),t},register:function(t){var i=t.defaults||{};return i[t.name]===n&&(i[t.name]=!0),r.utils.extend(r.defaults,i,!0),t.index=t.index||1e3,this.gestures.push(t),this.gestures.sort(function(e,t){return e.indext.index?1:0}),this.gestures}},r.gestures.Drag={name:"drag",index:50,defaults:{drag_min_distance:10,correct_for_drag_min_distance:!0,drag_max_touches:1,drag_block_horizontal:!1,drag_block_vertical:!1,drag_lock_to_axis:!1,drag_lock_min_distance:25},triggered:!1,handler:function(t,n){if(r.detection.current.name!=this.name&&this.triggered){n.trigger(this.name+"end",t),this.triggered=!1;return}if(n.options.drag_max_touches>0&&t.touches.length>n.options.drag_max_touches)return;switch(t.eventType){case r.EVENT_START:this.triggered=!1;break;case r.EVENT_MOVE:if(t.distance0){var i=Math.abs(n.options.drag_min_distance/t.distance);r.detection.current.startEvent.center.pageX+=t.deltaX*i,r.detection.current.startEvent.center.pageY+=t.deltaY*i,t=r.detection.extendEventData(t)}}if(r.detection.current.lastEvent.drag_locked_to_axis||n.options.drag_lock_to_axis&&n.options.drag_lock_min_distance<=t.distance)t.drag_locked_to_axis=!0;var s=r.detection.current.lastEvent.direction;t.drag_locked_to_axis&&s!==t.direction&&(r.utils.isVertical(s)?t.direction=t.deltaY<0?r.DIRECTION_UP:r.DIRECTION_DOWN:t.direction=t.deltaX<0?r.DIRECTION_LEFT:r.DIRECTION_RIGHT),this.triggered||(n.trigger(this.name+"start",t),this.triggered=!0),n.trigger(this.name,t),n.trigger(this.name+t.direction,t),(n.options.drag_block_vertical&&r.utils.isVertical(t.direction)||n.options.drag_block_horizontal&&!r.utils.isVertical(t.direction))&&t.preventDefault();break;case r.EVENT_END:this.triggered&&n.trigger(this.name+"end",t),this.triggered=!1}}},r.gestures.Hold={name:"hold",index:10,defaults:{hold_timeout:500,hold_threshold:1},timer:null,handler:function(t,n){switch(t.eventType){case r.EVENT_START:clearTimeout(this.timer),r.detection.current.name=this.name,this.timer=setTimeout(function(){r.detection.current.name=="hold"&&n.trigger("hold",t)},n.options.hold_timeout);break;case r.EVENT_MOVE:t.distance>n.options.hold_threshold&&clearTimeout(this.timer);break;case r.EVENT_END:clearTimeout(this.timer)}}},r.gestures.Release={name:"release",index:Infinity,handler:function(t,n){t.eventType==r.EVENT_END&&n.trigger(this.name,t)}},r.gestures.Swipe={name:"swipe",index:40,defaults:{swipe_min_touches:1,swipe_max_touches:1,swipe_velocity:.7},handler:function(t,n){if(t.eventType==r.EVENT_END){if(n.options.swipe_max_touches>0&&t.touches.lengthn.options.swipe_max_touches)return;if(t.velocityX>n.options.swipe_velocity||t.velocityY>n.options.swipe_velocity)n.trigger(this.name,t),n.trigger(this.name+t.direction,t)}}},r.gestures.Tap={name:"tap",index:100,defaults:{tap_max_touchtime:250,tap_max_distance:10,tap_always:!0,doubletap_distance:20,doubletap_interval:300},handler:function(t,n){if(t.eventType==r.EVENT_MOVE&&!r.detection.current.reachedTapMaxDistance)r.detection.current.reachedTapMaxDistance=t.distance>n.options.tap_max_distance;else if(t.eventType==r.EVENT_END&&t.srcEvent.type!="touchcancel"){var i=r.detection.previous,s=!1;if(r.detection.current.reachedTapMaxDistance||t.deltaTime>n.options.tap_max_touchtime)return;i&&i.name=="tap"&&t.timeStamp-i.lastEvent.timeStampn.options.transform_min_rotation&&n.trigger("rotate",t),i>n.options.transform_min_scale&&(n.trigger("pinch",t),n.trigger("pinch"+(t.scale<1?"in":"out"),t));break;case r.EVENT_END:this.triggered&&n.trigger(this.name+"end",t),this.triggered=!1}}},typeof define=="function"&&define.amd?define(function(){return r}):typeof t=="object"&&t.exports?t.exports=r:e.Hammer=r})(window)},{}],19:[function(e,t,n){function r(){this._events=this._events||{},this._maxListeners=this._maxListeners||undefined}function i(e){return typeof e=="function"}function s(e){return typeof e=="number"}function o(e){return typeof e=="object"&&e!==null}function u(e){return e===void 0}t.exports=r,r.EventEmitter=r,r.prototype._events=undefined,r.prototype._maxListeners=undefined,r.defaultMaxListeners=10,r.prototype.setMaxListeners=function(e){if(!s(e)||e<0||isNaN(e))throw TypeError("n must be a positive number");return this._maxListeners=e,this},r.prototype.emit=function(e){var t,n,r,s,a,f;this._events||(this._events={});if(e==="error")if(!this._events.error||o(this._events.error)&&!this._events.error.length)throw t=arguments[1],t instanceof Error?t:TypeError('Uncaught, unspecified "error" event.');n=this._events[e];if(u(n))return!1;if(i(n))switch(arguments.length){case 1:n.call(this);break;case 2:n.call(this,arguments[1]);break;case 3:n.call(this,arguments[1],arguments[2]);break;default:r=arguments.length,s=new Array(r-1);for(a=1;a0&&this._events[e].length>n&&(this._events[e].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[e].length),typeof console.trace=="function"&&console.trace())}return this},r.prototype.on=r.prototype.addListener,r.prototype.once=function(e,t){function r(){this.removeListener(e,r),n||(n=!0,t.apply(this,arguments))}if(!i(t))throw TypeError("listener must be a function");var n=!1;return r.listener=t,this.on(e,r),this},r.prototype.removeListener=function(e,t){var n,r,s,u;if(!i(t))throw TypeError("listener must be a function");if(!this._events||!this._events[e])return this;n=this._events[e],s=n.length,r=-1;if(n===t||i(n.listener)&&n.listener===t)delete this._events[e],this._events.removeListener&&this.emit("removeListener",e,t);else if(o(n)){for(u=s;u-->0;)if(n[u]===t||n[u].listener&&n[u].listener===t){r=u;break}if(r<0)return this;n.length===1?(n.length=0,delete this._events[e]):n.splice(r,1),this._events.removeListener&&this.emit("removeListener",e,t)}return this},r.prototype.removeAllListeners=function(e){var t,n;if(!this._events)return this;if(!this._events.removeListener)return arguments.length===0?this._events={}:this._events[e]&&delete this._events[e],this;if(arguments.length===0){for(t in this._events){if(t==="removeListener")continue;this.removeAllListeners(t)}return this.removeAllListeners("removeListener"),this._events={},this}n=this._events[e];if(i(n))this.removeListener(e,n);else while(n.length)this.removeListener(e,n[n.length-1]);return delete this._events[e],this},r.prototype.listeners=function(e){var t;return!this._events||!this._events[e]?t=[]:i(this._events[e])?t=[this._events[e]]:t=this._events[e].slice(),t},r.listenerCount=function(e,t){var n;return!e._events||!e._events[t]?n=0:i(e._events[t])?n=1:n=e._events[t].length,n}},{}]},{},[13]); \ No newline at end of file +!function(t){var e={};function n(i){if(e[i])return e[i].exports;var r=e[i]={i:i,l:!1,exports:{}};return t[i].call(r.exports,r,r.exports,n),r.l=!0,r.exports}n.m=t,n.c=e,n.d=function(t,e,i){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:i})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var i=Object.create(null);if(n.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var r in t)n.d(i,r,function(e){return t[e]}.bind(null,r));return i},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=2)}([function(t,e,n){!function(t){var e=n(10);function i(t){var n,i={},r=[0],o=this;function s(e){if(o.data.hitBoxes&&t.hitBoxes[e])return t.hitBoxes[e]}function a(t){return t=Math.round(2*t)/2}return o.direction=void 0,o.mapPosition=[0,0,0],o.id=e(),o.canvasX=0,o.canvasY=0,o.canvasZ=0,o.height=0,o.speed=0,o.data=t||{parts:{}},o.movingToward=[0,0],o.metresDownTheMountain=0,o.movingWithConviction=!1,o.deleted=!1,o.maxHeight=Object.values(o.data.parts).map((function(t){return t[3]})).max(),o.isMoving=!0,o.data.parts||(o.data.parts={}),t&&t.id&&(o.id=t.id),t&&t.zIndexesOccupied&&(r=t.zIndexesOccupied),this.draw=function(t,e){var n=o.data.parts[e];o.height=n[3],o.width=n[2];var i=t.mapPositionToCanvasPosition(o.mapPosition);o.setCanvasPosition(i[0],i[1]),t.drawImage(t.getLoadedImage(o.data.$imageFile),n[0],n[1],n[2],n[3],o.canvasX,o.canvasY,n[2],n[3])},this.setMapPosition=function(t,e,n){void 0===t&&(t=o.mapPosition[0]),void 0===e&&(e=o.mapPosition[1]),void 0===n?n=o.mapPosition[2]:o.zIndexesOccupied=[n],o.mapPosition=[t,e,n]},this.setCanvasPosition=function(t,e){var n;t&&(!Object.isString(t)||"+"!==t.first()&&"-"!==t.first()?o.canvasX=t:(n=t,o.canvasX+=n.toNumber())),e&&(!Object.isString(e)||"+"!==e.first()&&"-"!==e.first()?o.canvasY=e:function(t){o.canvasY+=t.toNumber()}(e))},this.getCanvasPositionX=function(){return o.canvasX},this.getCanvasPositionY=function(){return o.canvasY},this.getLeftHitBoxEdge=function(t){t=t||0;var e=this.getCanvasPositionX();return s(t)&&(e+=s(t)[0]),e},this.getTopHitBoxEdge=function(t){t=t||0;var e=this.getCanvasPositionY();return s(t)&&(e+=s(t)[1]),e},this.getRightHitBoxEdge=function(t){return s(t=t||0)?o.canvasX+s(t)[2]:o.canvasX+o.width},this.getBottomHitBoxEdge=function(t){return s(t=t||0)?o.canvasY+s(t)[3]:o.canvasY+o.height},this.getPositionInFrontOf=function(){return[o.canvasX,o.canvasY+o.height]},this.setSpeed=function(t){o.speed=t,o.speedX=t,o.speedY=t},this.incrementSpeedBy=function(t){o.speed+=t},o.getSpeed=function(){return o.speed},o.getSpeedX=function(){return o.speed},o.getSpeedY=function(){return o.speed},this.setHeight=function(t){o.height=t},this.setWidth=function(t){o.width=t},this.getMaxHeight=function(){return o.maxHeight},o.getMovingTowardOpposite=function(){if(!o.isMoving)return[0,0];var t=o.movingToward[0]-o.mapPosition[0],e=o.movingToward[1]-o.mapPosition[1];return[Math.abs(t)>75?0-t:0,-e]},this.checkHittableObjects=function(){Object.keys(i,(function(t,e){e.object.deleted?delete i[t]:e.object.hits(o)&&e.callbacks.each((function(t){t(o,e.object)}))}))},this.cycle=function(){o.checkHittableObjects(),n&&o.setMapPositionTarget(n.mapPosition[0],n.mapPosition[1],!0),function(){if(o.isMoving){var t=o.mapPosition[0],e=o.mapPosition[1];if(void 0!==o.direction){var n=o.direction-90;n<0&&(n=360+n),t+=a(o.speed*Math.cos(n*(Math.PI/180))),e+=a(o.speed*Math.sin(n*(Math.PI/180)))}else void 0!==o.movingToward[0]&&(t>o.movingToward[0]?t-=Math.min(o.getSpeedX(),Math.abs(t-o.movingToward[0])):to.movingToward[1]?e-=Math.min(o.getSpeedY(),Math.abs(e-o.movingToward[1])):e=360&&(t=360-t),o.direction=t,o.movingToward=void 0},this.resetDirection=function(){o.direction=void 0},this.setMapPositionTargetWithConviction=function(t,e){o.setMapPositionTarget(t,e),o.movingWithConviction=!0},this.follow=function(t){n=t},this.stopFollowing=function(){n=!1},this.onHitting=function(t,e){if(i[t.id])return i[t.id].callbacks.push(e);i[t.id]={object:t,callbacks:[e]}},this.deleteOnNextCycle=function(){o.deleted=!0},this.occupiesZIndex=function(t){return r.indexOf(t)>=0},this.hits=function(t){var e=!1,n=!1;return 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e={skier:{$imageFile:"sprite-characters.png",parts:{blank:[0,0,0,0],east:[0,0,24,34],esEast:[24,0,24,34],sEast:[49,0,17,34],south:[65,0,17,34],sWest:[49,37,17,34],wsWest:[24,37,24,34],west:[0,37,24,34],hit:[0,78,31,31],jumping:[84,0,32,34],somersault1:[116,0,32,34],somersault2:[148,0,32,34]},hitBoxes:{0:[7,20,27,34]},id:"player",hitBehaviour:{}},smallTree:{$imageFile:"skifree-objects.png",parts:{main:[0,28,30,34]},hitBoxes:{0:[0,18,30,34]},hitBehaviour:{}},tallTree:{$imageFile:"skifree-objects.png",parts:{main:[95,66,32,64]},zIndexesOccupied:[0,1],hitBoxes:{0:[0,54,32,64],1:[0,10,32,54]},hitBehaviour:{}},thickSnow:{$imageFile:"skifree-objects.png",parts:{main:[143,53,43,10]},hitBehaviour:{}},rock:{$imageFile:"skifree-objects.png",parts:{main:[30,52,23,11]},hitBehaviour:{}},monster:{$imageFile:"sprite-characters.png",parts:{sEast1:[64,112,26,43],sEast2:[90,112,32,43],sWest1:[64,158,26,43],sWest2:[90,158,32,43],eating1:[122,112,34,43],eating2:[156,112,31,43],eating3:[187,112,31,43],eating4:[219,112,25,43],eating5:[243,112,26,43]},hitBehaviour:{}},jump:{$imageFile:"skifree-objects.png",parts:{main:[109,55,32,8]},hitBehaviour:{}},signStart:{$imageFile:"skifree-objects.png",parts:{main:[260,103,42,27]},hitBehaviour:{}},snowboarder:{$imageFile:"sprite-characters.png",parts:{sEast:[73,229,20,29],sWest:[95,228,26,30]},hitBehaviour:{}},emptyChairLift:{$imageFile:"skifree-objects.png",parts:{main:[92,136,26,30]},zIndexesOccupied:[1]}};function n(t,e){e.deleteOnNextCycle()}function i(t,e){e.hasHitObstacle(t)}e.monster.hitBehaviour.tree=function(t){t.deleteOnNextCycle()},e.smallTree.hitBehaviour.monster=n,e.tallTree.hitBehaviour.monster=n,e.smallTree.hitBehaviour.skier=i,e.tallTree.hitBehaviour.skier=i,e.rock.hitBehaviour.skier=function(t,e){e.hasHitObstacle(t)},e.jump.hitBehaviour.skier=function(t,e){e.hasHitJump(t)},e.snowboarder.hitBehaviour.skier=function(t,e){e.hasHitObstacle(t)},t.spriteInfo=e}(this),t.exports=this.spriteInfo}]); \ No newline at end of file diff --git a/js/lib/game.js b/js/lib/game.js index 26bb539..2f87e56 100644 --- a/js/lib/game.js +++ b/js/lib/game.js @@ -1,161 +1,158 @@ -var SpriteArray = require('./spriteArray'); -var EventedLoop = require('eventedloop'); - -(function (global) { - function Game (mainCanvas, player) { - var staticObjects = new SpriteArray(); - var movingObjects = new SpriteArray(); - var uiElements = new SpriteArray(); - var dContext = mainCanvas.getContext('2d'); - var mouseX = dContext.getCentreOfViewport(); - var mouseY = 0; - var paused = false; - var that = this; - var beforeCycleCallbacks = []; - var afterCycleCallbacks = []; - var gameLoop = new EventedLoop(); - - this.addStaticObject = function (sprite) { - staticObjects.push(sprite); - }; - - this.addStaticObjects = function (sprites) { - sprites.forEach(this.addStaticObject.bind(this)); - }; - - this.addMovingObject = function (movingObject, movingObjectType) { - if (movingObjectType) { - staticObjects.onPush(function (obj) { - if (obj.data && obj.data.hitBehaviour[movingObjectType]) { - obj.onHitting(movingObject, obj.data.hitBehaviour[movingObjectType]); - } - }, true); - } +import SpriteArray from './spriteArray'; +import EventedLoop from 'eventedloop'; + +class Game { + constructor(mainCanvas, player) { + this.mainCanvas = mainCanvas; + this.player = player; + + this.staticObjects = new SpriteArray(); + this.movingObjects = new SpriteArray(); + this.uiElements = new SpriteArray(); + this.dContext = this.mainCanvas.getContext('2d'); + this.mouseX = this.dContext.getCentreOfViewport(); + this.mouseY = 0; + this.paused = false; + this.beforeCycleCallbacks = []; + this.afterCycleCallbacks = []; + this.gameLoop = new EventedLoop(); + + this.player.setMapPosition(0, 0); + this.player.setMapPositionTarget(0, -10); + this.dContext.followSprite(this.player); + + this.intervalNum = 0; + + this.gameLoop.on('20', this.cycle.bind(this)); + this.gameLoop.on('20', this.draw.bind(this)); + } - movingObjects.push(movingObject); - }; + addStaticObject(sprite) { + this.staticObjects.push(sprite); + } - this.addUIElement = function (element) { - uiElements.push(element); - }; + addStaticObjects(sprites) { + sprites.forEach(this.addStaticObject.bind(this)); + } - this.beforeCycle = function (callback) { - beforeCycleCallbacks.push(callback); - }; + addMovingObject(movingObject, movingObjectType) { + if (movingObjectType) { + this.staticObjects.onPush(function (obj) { + if (obj.data && obj.data.hitBehaviour[movingObjectType]) { + obj.onHitting(movingObject, obj.data.hitBehaviour[movingObjectType]); + } + }, true); + } - this.afterCycle = function (callback) { - afterCycleCallbacks.push(callback); - }; + this.movingObjects.push(movingObject); + } - this.setMouseX = function (x) { - mouseX = x; - }; + addUIElement(element) { + this.uiElements.push(element); + } - this.setMouseY = function (y) { - mouseY = y; - }; + beforeCycle(callback) { + this.beforeCycleCallbacks.push(callback); + } - player.setMapPosition(0, 0); - player.setMapPositionTarget(0, -10); - dContext.followSprite(player); + afterCycle(callback) { + this.afterCycleCallbacks.push(callback); + } - var intervalNum = 0; + setMouseX(x) { + this.mouseX = x; + } - this.cycle = function () { - beforeCycleCallbacks.each(function(c) { - c(); - }); + setMouseY(y) { + this.mouseY = y; + } - // Clear canvas - var mouseMapPosition = dContext.canvasPositionToMapPosition([mouseX, mouseY]); + cycle() { + this.beforeCycleCallbacks.each(function(c) { + c(); + }); - if (!player.isJumping) { - player.setMapPositionTarget(mouseMapPosition[0], mouseMapPosition[1]); - } + // Clear canvas + var mouseMapPosition = this.dContext.canvasPositionToMapPosition([this.mouseX, this.mouseY]); - intervalNum++; + if (!this.player.isJumping) { + this.player.setMapPositionTarget(mouseMapPosition[0], mouseMapPosition[1]); + } - player.cycle(); + this.intervalNum++; - movingObjects.each(function (movingObject, i) { - movingObject.cycle(dContext); - }); - - staticObjects.cull(); - staticObjects.each(function (staticObject, i) { - if (staticObject.cycle) { - staticObject.cycle(); - } - }); + this.player.cycle(); - uiElements.each(function (uiElement, i) { - if (uiElement.cycle) { - uiElement.cycle(); - } - }); + this.movingObjects.each(movingObject => { + movingObject.cycle(this.dContext); + }); + + this.staticObjects.cull(); + this.staticObjects.each(staticObject => { + if (staticObject.cycle) { + staticObject.cycle(); + } + }); - afterCycleCallbacks.each(function(c) { - c(); - }); - }; + this.uiElements.each(uiElement => { + if (uiElement.cycle) { + uiElement.cycle(); + } + }); - that.draw = function () { - // Clear canvas - mainCanvas.width = mainCanvas.width; + this.afterCycleCallbacks.each(c => { + c(); + }); + } - player.draw(dContext); + draw() { + // Clear canvas + this.mainCanvas.width = this.mainCanvas.width; - player.cycle(); + this.player.draw(this.dContext); - movingObjects.each(function (movingObject, i) { - movingObject.draw(dContext); - }); - - staticObjects.each(function (staticObject, i) { - if (staticObject.draw) { - staticObject.draw(dContext, 'main'); - } - }); + this.player.cycle(); - uiElements.each(function (uiElement, i) { - if (uiElement.draw) { - uiElement.draw(dContext, 'main'); - } - }); - }; - - this.start = function () { - gameLoop.start(); - }; - - this.pause = function () { - paused = true; - gameLoop.stop(); - }; - - this.isPaused = function () { - return paused; - }; - - this.reset = function () { - paused = false; - staticObjects = new SpriteArray(); - movingObjects = new SpriteArray(); - mouseX = dContext.getCentreOfViewport(); - mouseY = 0; - player.reset(); - player.setMapPosition(0, 0, 0); - this.start(); - }.bind(this); - - gameLoop.on('20', this.cycle); - gameLoop.on('20', this.draw); + this.movingObjects.each((movingObject, i) => { + movingObject.draw(this.dContext); + }); + + this.staticObjects.each((staticObject, i) => { + if (staticObject.draw) { + staticObject.draw(this.dContext, 'main'); + } + }); + + this.uiElements.each((uiElement, i) => { + if (uiElement.draw) { + uiElement.draw(this.dContext, 'main'); + } + }); + } + + start() { + this.gameLoop.start(); } - global.game = Game; -})( this ); + pause() { + this.paused = true; + this.gameLoop.stop(); + } + isPaused() { + return this.paused; + } -if (typeof module !== 'undefined') { - module.exports = this.game; -} \ No newline at end of file + reset() { + paused = false; + staticObjects = new SpriteArray(); + movingObjects = new SpriteArray(); + mouseX = dContext.getCentreOfViewport(); + mouseY = 0; + player.reset(); + player.setMapPosition(0, 0, 0); + this.start(); + } +} + +export default Game; diff --git a/js/lib/monster.js b/js/lib/monster.js index 235d771..2cef05b 100644 --- a/js/lib/monster.js +++ b/js/lib/monster.js @@ -1,65 +1,55 @@ -var Sprite = require('./sprite'); - -(function(global) { - function Monster(data) { - var that = new Sprite(data); - var super_draw = that.superior('draw'); - var spriteVersion = 1; - var eatingStage = 0; - var standardSpeed = 6; - - that.isEating = false; - that.isFull = false; - that.setSpeed(standardSpeed); - - that.draw = function(dContext) { - var spritePartToUse = function () { - var xDiff = that.movingToward[0] - that.canvasX; - - if (that.isEating) { - return 'eating' + eatingStage; - } +import Sprite from './sprite'; + +class Monster extends Sprite { + constructor(data) { + super(data); + this.spriteVersion = 1; + this.eatingStage = 0; + this.standardSpeed = 6; + + this.isEating = false; + this.isFull = false; + this.setSpeed(this.standardSpeed); + } - if (spriteVersion + 0.1 > 2) { - spriteVersion = 0.1; - } else { - spriteVersion += 0.1; - } - if (xDiff >= 0) { - return 'sEast' + Math.ceil(spriteVersion); - } else if (xDiff < 0) { - return 'sWest' + Math.ceil(spriteVersion); - } - }; + draw(dContext) { + var spritePartToUse = function () { + var xDiff = this.movingToward[0] - this.canvasX; - return super_draw(dContext, spritePartToUse()); - }; + if (this.isEating) { + return 'eating' + eatingStage; + } - function startEating (whenDone) { - eatingStage += 1; - that.isEating = true; - that.isMoving = false; - if (eatingStage < 6) { - setTimeout(function () { - startEating(whenDone); - }, 300); + if (this.spriteVersion + 0.1 > 2) { + this.spriteVersion = 0.1; } else { - eatingStage = 0; - that.isEating = false; - that.isMoving = true; - whenDone(); + this.spriteVersion += 0.1; } - } - - that.startEating = startEating; + if (xDiff >= 0) { + return 'sEast' + Math.ceil(this.spriteVersion); + } else if (xDiff < 0) { + return 'sWest' + Math.ceil(this.spriteVersion); + } + }; - return that; + return super.draw(dContext, spritePartToUse()); + }; + + startEating (whenDone) { + this.eatingStage += 1; + this.isEating = true; + this.isMoving = false; + if (eatingStage < 6) { + setTimeout(function () { + startEating(whenDone); + }, 300); + } else { + eatingStage = 0; + this.isEating = false; + this.isMoving = true; + whenDone(); + } } +} - global.monster = Monster; -})( this ); - - -if (typeof module !== 'undefined') { - module.exports = this.monster; -} \ No newline at end of file +export default Monster; diff --git a/js/lib/skier.js b/js/lib/skier.js index 1f90a70..9f9b365 100644 --- a/js/lib/skier.js +++ b/js/lib/skier.js @@ -1,4 +1,4 @@ -var Sprite = require('./sprite'); +import Sprite from './sprite'; if (typeof navigator !== 'undefined') { navigator.vibrate = navigator.vibrate || navigator.webkitVibrate || @@ -10,9 +10,10 @@ if (typeof navigator !== 'undefined') { }; } -(function(global) { - function Skier(data) { - var discreteDirections = { +class Skier extends Sprite { + constructor(data) { + super(data) + this.discreteDirections = { 'west': 270, 'wsWest': 240, 'sWest': 195, @@ -21,483 +22,478 @@ if (typeof navigator !== 'undefined') { 'esEast': 120, 'east': 90 }; - var that = new Sprite(data); - var sup = { - draw: that.superior('draw'), - cycle: that.superior('cycle'), - getSpeedX: that.superior('getSpeedX'), - getSpeedY: that.superior('getSpeedY'), - hits: that.superior('hits') + this.sup = { + draw: this.superior('draw'), + cycle: this.superior('cycle'), + getSpeedX: this.superior('getSpeedX'), + getSpeedY: this.superior('getSpeedY'), + hits: this.superior('hits') }; - var directions = { + this.directions = { esEast: function(xDiff) { return xDiff > 300; }, sEast: function(xDiff) { return xDiff > 75; }, wsWest: function(xDiff) { return xDiff < -300; }, sWest: function(xDiff) { return xDiff < -75; } }; + + this.cancelableStateTimeout; + this.cancelableStateInterval; + + this.canSpeedBoost = true; + + this.obstaclesHit = []; + this.pixelsTravelled = 0; + this.standardSpeed = 5; + this.boostMultiplier = 2; + this.turnEaseCycles = 70; + this.speedX = 0; + this.speedXFactor = 0; + this.speedY = 0; + this.speedYFactor = 1; + this.trickStep = 0; // There are three of these + + this.isMoving = true; + this.hasBeenHit = false; + this.isJumping = false; + this.isPerformingTrick = false; + this.onHitObstacleCb = function() {}; + this.setSpeed(this.standardSpeed); + } - var cancelableStateTimeout; - var cancelableStateInterval; - - var canSpeedBoost = true; - - var obstaclesHit = []; - var pixelsTravelled = 0; - var standardSpeed = 5; - var boostMultiplier = 2; - var turnEaseCycles = 70; - var speedX = 0; - var speedXFactor = 0; - var speedY = 0; - var speedYFactor = 1; - var trickStep = 0; // There are three of these - - that.isMoving = true; - that.hasBeenHit = false; - that.isJumping = false; - that.isPerformingTrick = false; - that.onHitObstacleCb = function() {}; - that.setSpeed(standardSpeed); - - that.reset = function () { - obstaclesHit = []; - pixelsTravelled = 0; - that.isMoving = true; - that.hasBeenHit = false; - canSpeedBoost = true; - setNormal(); - }; + reset() { + this.obstaclesHit = []; + this.pixelsTravelled = 0; + this.isMoving = true; + this.hasBeenHit = false; + this.canSpeedBoost = true; + this.setNormal(); + } - function setNormal() { - that.setSpeed(standardSpeed); - that.isMoving = true; - that.hasBeenHit = false; - that.isJumping = false; - that.isPerformingTrick = false; - if (cancelableStateInterval) { - clearInterval(cancelableStateInterval); - } - that.setMapPosition(undefined, undefined, 0); + setNormal() { + // console.log('back to normal') + this.setSpeed(this.standardSpeed); + this.isMoving = true; + this.hasBeenHit = false; + this.isJumping = false; + this.isPerformingTrick = false; + if (this.cancelableStateInterval) { + this.clearInterval(this.cancelableStateInterval); } + this.setMapPosition(undefined, undefined, 0); + } - function setCrashed() { - that.isMoving = false; - that.hasBeenHit = true; - that.isJumping = false; - that.isPerformingTrick = false; - if (cancelableStateInterval) { - clearInterval(cancelableStateInterval); - } - that.setMapPosition(undefined, undefined, 0); + setCrashed() { + this.isMoving = false; + this.hasBeenHit = true; + this.isJumping = false; + this.isPerformingTrick = false; + if (this.cancelableStateInterval) { + clearInterval(this.cancelableStateInterval); } + this.setMapPosition(undefined, undefined, 0); + } - function setJumping() { - var currentSpeed = that.getSpeed(); - that.setSpeed(currentSpeed + 2); - that.setSpeedY(currentSpeed + 2); - that.isMoving = true; - that.hasBeenHit = false; - that.isJumping = true; - that.setMapPosition(undefined, undefined, 1); - } + setJumping() { + var currentSpeed = this.getSpeed(); + this.setSpeed(currentSpeed + 2); + this.setSpeedY(currentSpeed + 2); + this.isMoving = true; + this.hasBeenHit = false; + this.isJumping = true; + this.setMapPosition(undefined, undefined, 1); + } - function getDiscreteDirection() { - if (that.direction) { - if (that.direction <= 90) { + getDiscreteDirection() { + if (this.direction) { + if (this.direction <= 90) { + return 'east'; + } else if (this.direction > 90 && this.direction < 150) { + return 'esEast'; + } else if (this.direction >= 150 && this.direction < 180) { + return 'sEast'; + } else if (this.direction === 180) { + return 'south'; + } else if (this.direction > 180 && this.direction <= 210) { + return 'sWest'; + } else if (this.direction > 210 && this.direction < 270) { + return 'wsWest'; + } else if (this.direction >= 270) { + return 'west'; + } else { + return 'south'; + } + } else { + var xDiff = this.movingToward[0] - this.mapPosition[0]; + var yDiff = this.movingToward[1] - this.mapPosition[1]; + if (yDiff <= 0) { + if (xDiff > 0) { return 'east'; - } else if (that.direction > 90 && that.direction < 150) { - return 'esEast'; - } else if (that.direction >= 150 && that.direction < 180) { - return 'sEast'; - } else if (that.direction === 180) { - return 'south'; - } else if (that.direction > 180 && that.direction <= 210) { - return 'sWest'; - } else if (that.direction > 210 && that.direction < 270) { - return 'wsWest'; - } else if (that.direction >= 270) { - return 'west'; } else { - return 'south'; - } - } else { - var xDiff = that.movingToward[0] - that.mapPosition[0]; - var yDiff = that.movingToward[1] - that.mapPosition[1]; - if (yDiff <= 0) { - if (xDiff > 0) { - return 'east'; - } else { - return 'west'; - } - } - - if (directions.esEast(xDiff)) { - return 'esEast'; - } else if (directions.sEast(xDiff)) { - return 'sEast'; - } else if (directions.wsWest(xDiff)) { - return 'wsWest'; - } else if (directions.sWest(xDiff)) { - return 'sWest'; + return 'west'; } } - return 'south'; - } - function setDiscreteDirection(d) { - if (discreteDirections[d]) { - that.setDirection(discreteDirections[d]); + if (this.directions.esEast(xDiff)) { + return 'esEast'; + } else if (this.directions.sEast(xDiff)) { + return 'sEast'; + } else if (this.directions.wsWest(xDiff)) { + return 'wsWest'; + } else if (this.directions.sWest(xDiff)) { + return 'sWest'; } + } + return 'south'; + } - if (d === 'west' || d === 'east') { - that.isMoving = false; - } else { - that.isMoving = true; - } + setDiscreteDirection(d) { + if (this.discreteDirections[d]) { + this.setDirection(this.discreteDirections[d]); } - function getBeingEatenSprite() { - return 'blank'; + if (d === 'west' || d === 'east') { + this.isMoving = false; + } else { + this.isMoving = true; } + } + + getBeingEatenSprite() { + return 'blank'; + } + + getJumpingSprite() { + return 'jumping'; + } - function getJumpingSprite() { + getTrickSprite() { + console.log('Trick step is', this.trickStep); + if (this.trickStep === 0) { return 'jumping'; + } else if (this.trickStep === 1) { + return 'somersault1'; + } else { + return 'somersault2'; } + } - function getTrickSprite() { - console.log('Trick step is', trickStep); - if (trickStep === 0) { - return 'jumping'; - } else if (trickStep === 1) { - return 'somersault1'; - } else { - return 'somersault2'; - } + stop() { + if (this.direction > 180) { + this.setDiscreteDirection('west'); + } else { + this.setDiscreteDirection('east'); } + } - that.stop = function () { - if (that.direction > 180) { - setDiscreteDirection('west'); - } else { - setDiscreteDirection('east'); - } - }; - - that.turnEast = function () { - var discreteDirection = getDiscreteDirection(); - - switch (discreteDirection) { - case 'west': - setDiscreteDirection('wsWest'); - break; - case 'wsWest': - setDiscreteDirection('sWest'); - break; - case 'sWest': - setDiscreteDirection('south'); - break; - case 'south': - setDiscreteDirection('sEast'); - break; - case 'sEast': - setDiscreteDirection('esEast'); - break; - case 'esEast': - setDiscreteDirection('east'); - break; - default: - setDiscreteDirection('south'); - break; - } - }; - - that.turnWest = function () { - var discreteDirection = getDiscreteDirection(); - - switch (discreteDirection) { - case 'east': - setDiscreteDirection('esEast'); - break; - case 'esEast': - setDiscreteDirection('sEast'); - break; - case 'sEast': - setDiscreteDirection('south'); - break; - case 'south': - setDiscreteDirection('sWest'); - break; - case 'sWest': - setDiscreteDirection('wsWest'); - break; - case 'wsWest': - setDiscreteDirection('west'); - break; - default: - setDiscreteDirection('south'); - break; - } - }; + turnEast() { + var discreteDirection = this.getDiscreteDirection(); + + switch (discreteDirection) { + case 'west': + this.setDiscreteDirection('wsWest'); + break; + case 'wsWest': + this.setDiscreteDirection('sWest'); + break; + case 'sWest': + this.setDiscreteDirection('south'); + break; + case 'south': + this.setDiscreteDirection('sEast'); + break; + case 'sEast': + this.setDiscreteDirection('esEast'); + break; + case 'esEast': + this.setDiscreteDirection('east'); + break; + default: + this.setDiscreteDirection('south'); + break; + } + } - that.stepWest = function () { - that.mapPosition[0] -= that.speed * 2; - }; + turnWest() { + var discreteDirection = this.getDiscreteDirection(); + + switch (discreteDirection) { + case 'east': + this.setDiscreteDirection('esEast'); + break; + case 'esEast': + this.setDiscreteDirection('sEast'); + break; + case 'sEast': + this.setDiscreteDirection('south'); + break; + case 'south': + this.setDiscreteDirection('sWest'); + break; + case 'sWest': + this.setDiscreteDirection('wsWest'); + break; + case 'wsWest': + this.setDiscreteDirection('west'); + break; + default: + this.setDiscreteDirection('south'); + break; + } + } - that.stepEast = function () { - that.mapPosition[0] += that.speed * 2; - }; + stepWest() { + this.mapPosition[0] -= this.speed * 2; + } - that.setMapPositionTarget = function (x, y) { - if (that.hasBeenHit) return; + stepEast() { + this.mapPosition[0] += this.speed * 2; + } - if (Math.abs(that.mapPosition[0] - x) <= 75) { - x = that.mapPosition[0]; - } + setMapPositionTarget(x, y) { + if (this.hasBeenHit) return; - that.movingToward = [ x, y ]; + if (Math.abs(this.mapPosition[0] - x) <= 75) { + x = this.mapPosition[0]; + } - // that.resetDirection(); - }; + this.movingToward = [ x, y ]; - that.startMovingIfPossible = function () { - if (!that.hasBeenHit && !that.isBeingEaten) { - that.isMoving = true; - } - }; + // this.resetDirection(); + } - that.setTurnEaseCycles = function (c) { - turnEaseCycles = c; - }; + startMovingIfPossible() { + if (!this.hasBeenHit && !this.isBeingEaten) { + this.isMoving = true; + } + } - that.getPixelsTravelledDownMountain = function () { - return pixelsTravelled; - }; + setTurnEaseCycles(c) { + this.turnEaseCycles = c; + } - that.resetSpeed = function () { - that.setSpeed(standardSpeed); - }; + getPixelsTravelledDownMountain() { + return this.pixelsTravelled; + } - that.cycle = function () { - if ( that.getSpeedX() <= 0 && that.getSpeedY() <= 0 ) { - that.isMoving = false; - } - if (that.isMoving) { - pixelsTravelled += that.speed; - } + resetSpeed() { + this.setSpeed(this.standardSpeed); + } - if (that.isJumping) { - that.setMapPositionTarget(undefined, that.mapPosition[1] + that.getSpeed()); - } + cycle() { + if (this.getSpeedX() <= 0 && this.getSpeedY() <= 0) { + this.isMoving = false; + } + if (this.isMoving) { + this.pixelsTravelled += this.speed; + } - sup.cycle(); - - that.checkHittableObjects(); - }; + if (this.isJumping) { + this.setMapPositionTarget(undefined, this.mapPosition[1] + this.getSpeed()); + } - that.draw = function(dContext) { - var spritePartToUse = function () { - if (that.isBeingEaten) { - return getBeingEatenSprite(); - } + super.cycle(); + + this.checkHittableObjects(); + } - if (that.isJumping) { - if (that.isPerformingTrick) { - return getTrickSprite(); - } - return getJumpingSprite(); - } + draw(dContext) { + const spritePartToUse = () => { + if (this.isBeingEaten) { + return getBeingEatenSprite(); + } - if (that.hasBeenHit) { - return 'hit'; + if (this.isJumping) { + if (this.isPerformingTrick) { + return getTrickSprite(); } + return getJumpingSprite(); + } - return getDiscreteDirection(); - }; + if (this.hasBeenHit) { + return 'hit'; + } - return sup.draw(dContext, spritePartToUse()); + return this.getDiscreteDirection(); }; - that.hits = function (obs) { - if (obstaclesHit.indexOf(obs.id) !== -1) { - return false; - } - - if (!obs.occupiesZIndex(that.mapPosition[2])) { - return false; - } + return super.draw(dContext, spritePartToUse()); + } - if (sup.hits(obs)) { - return true; - } + hits(obs) { + if (this.obstaclesHit.indexOf(obs.id) !== -1) { + return false; + } + if (!obs.occupiesZIndex(this.mapPosition[2])) { return false; - }; + } - that.speedBoost = function () { - var originalSpeed = that.speed; - if (canSpeedBoost) { - canSpeedBoost = false; - that.setSpeed(that.speed * boostMultiplier); - setTimeout(function () { - that.setSpeed(originalSpeed); - setTimeout(function () { - canSpeedBoost = true; - }, 10000); - }, 2000); - } - }; + if (super.hits(obs)) { + return true; + } - that.attemptTrick = function () { - if (that.isJumping) { - that.isPerformingTrick = true; - cancelableStateInterval = setInterval(function () { - if (trickStep >= 2) { - trickStep = 0; - } else { - trickStep += 1; - } - }, 300); - } - }; + return false; + } - that.getStandardSpeed = function () { - return standardSpeed; - }; + speedBoost() { + var originalSpeed = this.speed; + if (this.canSpeedBoost) { + this.canSpeedBoost = false; + this.setSpeed(this.speed * this.boostMultiplier); + setTimeout(() => { + this.setSpeed(originalSpeed); + setTimeout(() => { + this.canSpeedBoost = true; + }, 10000); + }, 2000); + } + } - function easeSpeedToTargetUsingFactor(sp, targetSpeed, f) { - if (f === 0 || f === 1) { - return targetSpeed; - } + attemptTrick() { + if (this.isJumping) { + this.isPerformingTrick = true; + this.cancelableStateInterval = setInterval(() => { + if (this.trickStep >= 2) { + this.trickStep = 0; + } else { + this.trickStep += 1; + } + }, 300); + } + } - if (sp < targetSpeed) { - sp += that.getSpeed() * (f / turnEaseCycles); - } + getStandardSpeed() { + return this.standardSpeed; + } - if (sp > targetSpeed) { - sp -= that.getSpeed() * (f / turnEaseCycles); - } + easeSpeedToTargetUsingFactor(sp, targetSpeed, f) { + if (f === 0 || f === 1) { + return targetSpeed; + } - return sp; + if (sp < targetSpeed) { + sp += this.getSpeed() * (f / this.turnEaseCycles); } - that.getSpeedX = function () { - if (getDiscreteDirection() === 'esEast' || getDiscreteDirection() === 'wsWest') { - speedXFactor = 0.5; - speedX = easeSpeedToTargetUsingFactor(speedX, that.getSpeed() * speedXFactor, speedXFactor); + if (sp > targetSpeed) { + sp -= this.getSpeed() * (f / this.turnEaseCycles); + } - return speedX; - } + return sp; + } - if (getDiscreteDirection() === 'sEast' || getDiscreteDirection() === 'sWest') { - speedXFactor = 0.33; - speedX = easeSpeedToTargetUsingFactor(speedX, that.getSpeed() * speedXFactor, speedXFactor); + getSpeedX() { + if (this.getDiscreteDirection() === 'esEast' || this.getDiscreteDirection() === 'wsWest') { + this.speedXFactor = 0.5; + this.speedX = this.easeSpeedToTargetUsingFactor(this.speedX, this.getSpeed() * this.speedXFactor, this.speedXFactor); - return speedX; - } + return this.speedX; + } - // So it must be south + if (this.getDiscreteDirection() === 'sEast' || this.getDiscreteDirection() === 'sWest') { + this.speedXFactor = 0.33; + this.speedX = this.easeSpeedToTargetUsingFactor(this.speedX, this.getSpeed() * this.speedXFactor, this.speedXFactor); - speedX = easeSpeedToTargetUsingFactor(speedX, 0, speedXFactor); + return this.speedX; + } - return speedX; - }; + // So it must be south - that.setSpeedY = function(sy) { - speedY = sy; - }; + this.speedX = this.easeSpeedToTargetUsingFactor(this.speedX, 0, this.speedXFactor); - that.getSpeedY = function () { - var targetSpeed; + return this.speedX; + } - if (that.isJumping) { - return speedY; - } + setSpeedY(sy) { + this.speedY = sy; + } - if (getDiscreteDirection() === 'esEast' || getDiscreteDirection() === 'wsWest') { - speedYFactor = 0.6; - speedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed() * 0.6, 0.6); + getSpeedY() { + var targetSpeed; - return speedY; - } + if (this.isJumping) { + return this.speedY; + } - if (getDiscreteDirection() === 'sEast' || getDiscreteDirection() === 'sWest') { - speedYFactor = 0.85; - speedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed() * 0.85, 0.85); + if (this.getDiscreteDirection() === 'esEast' || this.getDiscreteDirection() === 'wsWest') { + this.speedYFactor = 0.6; + this.speedY = this.easeSpeedToTargetUsingFactor(this.speedY, this.getSpeed() * 0.6, 0.6); - return speedY; - } + return this.speedY; + } - if (getDiscreteDirection() === 'east' || getDiscreteDirection() === 'west') { - speedYFactor = 1; - speedY = 0; + if (this.getDiscreteDirection() === 'sEast' || this.getDiscreteDirection() === 'sWest') { + this.speedYFactor = 0.85; + this.speedY = this.easeSpeedToTargetUsingFactor(this.speedY, this.getSpeed() * 0.85, 0.85); - return speedY; - } + return this.speedY; + } - // So it must be south + if (this.getDiscreteDirection() === 'east' || this.getDiscreteDirection() === 'west') { + this.speedYFactor = 1; + this.speedY = 0; - speedY = easeSpeedToTargetUsingFactor(speedY, that.getSpeed(), speedYFactor); + return this.speedY; + } - return speedY; - }; + // So it must be south - that.hasHitObstacle = function (obs) { - setCrashed(); + this.speedY = this.easeSpeedToTargetUsingFactor(this.speedY, this.getSpeed(), this.speedYFactor); - if (navigator.vibrate) { - navigator.vibrate(500); - } + return this.speedY; + } - obstaclesHit.push(obs.id); + hasHitObstacle(obs) { + this.setCrashed(); - that.resetSpeed(); - that.onHitObstacleCb(obs); + if (navigator.vibrate) { + navigator.vibrate(500); + } - if (cancelableStateTimeout) { - clearTimeout(cancelableStateTimeout); - } - cancelableStateTimeout = setTimeout(function() { - setNormal(); - }, 1500); - }; + this.obstaclesHit.push(obs.id); - that.hasHitJump = function () { - setJumping(); + this.resetSpeed(); + this.onHitObstacleCb(obs); - if (cancelableStateTimeout) { - clearTimeout(cancelableStateTimeout); - } - cancelableStateTimeout = setTimeout(function() { - setNormal(); - }, 1000); - }; + if (this.cancelableStateTimeout) { + clearTimeout(this.cancelableStateTimeout); + } + this.cancelableStateTimeout = setTimeout(() => { + this.setNormal(); + }, 1500); + } - that.isEatenBy = function (monster, whenEaten) { - that.hasHitObstacle(monster); - monster.startEating(whenEaten); - obstaclesHit.push(monster.id); - that.isMoving = false; - that.isBeingEaten = true; - }; + hasHitJump() { + this.setJumping(); - that.reset = function () { - obstaclesHit = []; - pixelsTravelled = 0; - that.isMoving = true; - that.isJumping = false; - that.hasBeenHit = false; - canSpeedBoost = true; - }; + if (this.cancelableStateTimeout) { + clearTimeout(this.cancelableStateTimeout); + } + this.cancelableStateTimeout = setTimeout(() => { + this.setNormal(); + }, 1000); + } - that.setHitObstacleCb = function (fn) { - that.onHitObstacleCb = fn || function() {}; - }; - return that; + isEatenBy(monster, whenEaten) { + this.hasHitObstacle(monster); + monster.startEating(whenEaten); + this.obstaclesHit.push(monster.id); + this.isMoving = false; + this.isBeingEaten = true; } - global.skier = Skier; -})(this); + reset() { + this.obstaclesHit = []; + this.pixelsTravelled = 0; + this.isMoving = true; + this.isJumping = false; + this.hasBeenHit = false; + this.canSpeedBoost = true; + } -if (typeof module !== 'undefined') { - module.exports = this.skier; + setHitObstacleCb(fn) { + this.onHitObstacleCb = fn || function() {}; + } } + +export default Skier \ No newline at end of file diff --git a/js/lib/snowboarder.js b/js/lib/snowboarder.js index 372b40f..694c0c1 100644 --- a/js/lib/snowboarder.js +++ b/js/lib/snowboarder.js @@ -1,57 +1,41 @@ -var Sprite = require('./sprite'); - -(function(global) { - function Snowboarder(data) { - var that = new Sprite(data); - var sup = { - draw: that.superior('draw'), - cycle: that.superior('cycle') - }; - var directions = { +import Sprite from './sprite'; + +class Snowboarder extends Sprite { + constructor(data) { + super(data); + this.directions = { sEast: function(xDiff) { return xDiff > 0; }, sWest: function(xDiff) { return xDiff <= 0; } }; var standardSpeed = 3; + + this.setSpeed(standardSpeed); + } - that.setSpeed(standardSpeed); - - function getDirection() { - var xDiff = that.movingToward[0] - that.mapPosition[0]; - var yDiff = that.movingToward[1] - that.mapPosition[1]; + getDirection() { + var xDiff = this.movingToward[0] - this.mapPosition[0]; - if (directions.sEast(xDiff)) { - return 'sEast'; - } else { - return 'sWest'; - } + if (this.directions.sEast(xDiff)) { + return 'sEast'; + } else { + return 'sWest'; } + } - that.cycle = function (dContext) { - if (Number.random(10) === 1) { - that.setMapPositionTarget(dContext.getRandomlyInTheCentreOfMap()); - that.setSpeed(standardSpeed + Number.random(-1, 1)); - } - - that.setMapPositionTarget(undefined, dContext.getMapBelowViewport() + 600); - - sup.cycle(); - }; - - that.draw = function(dContext) { - var spritePartToUse = function () { - return getDirection(); - }; + cycle(dContext) { + if (Number.random(10) === 1) { + this.setMapPositionTarget(dContext.getRandomlyInTheCentreOfMap()); + this.setSpeed(this.standardSpeed + Number.random(-1, 1)); + } - return sup.draw(dContext, spritePartToUse()); - }; + this.setMapPositionTarget(undefined, dContext.getMapBelowViewport() + 600); - return that; + super.cycle(); } - global.snowboarder = Snowboarder; -})( this ); - + draw(dContext) { + return super.draw(dContext, this.getDirection()); + } +} -if (typeof module !== 'undefined') { - module.exports = this.snowboarder; -} \ No newline at end of file +export default Snowboarder \ No newline at end of file diff --git a/js/lib/sprite.js b/js/lib/sprite.js index 16b2683..de687a6 100644 --- a/js/lib/sprite.js +++ b/js/lib/sprite.js @@ -1,399 +1,390 @@ -(function (global) { - var GUID = require('./guid'); - function Sprite (data) { - var hittableObjects = {}; - var zIndexesOccupied = [ 0 ]; - var that = this; - var trackedSpriteToMoveToward; - that.direction = undefined; - that.mapPosition = [0, 0, 0]; - that.id = GUID(); - that.canvasX = 0; - that.canvasY = 0; - that.canvasZ = 0; - that.height = 0; - that.speed = 0; - that.data = data || { parts : {} }; - that.movingToward = [ 0, 0 ]; - that.metresDownTheMountain = 0; - that.movingWithConviction = false; - that.deleted = false; - that.maxHeight = (function () { - return Object.values(that.data.parts).map(function (p) { return p[3]; }).max(); - }()); - that.isMoving = true; - - if (!that.data.parts) { - that.data.parts = {}; +import GUID from './guid'; + +class Sprite { + constructor(data) { + this.data = data || { parts : {} } + this.hittableObjects = {} + this.zIndexesOccupied = [ 0 ]; + this.trackedSpriteToMoveToward; + this.direction = undefined; + this.mapPosition = [0, 0, 0]; + this.id = GUID(); + this.canvasX = 0; + this.canvasY = 0; + this.canvasZ = 0; + this.height = 0; + this.speed = 0; + this.movingToward = [ 0, 0 ]; + this.metresDownTheMountain = 0; + this.movingWithConviction = false; + this.deleted = false; + this.maxHeight = Object.values(this.data.parts).map(p => p[3]).max(); + this.isMoving = true; + + if (!this.data.parts) { + this.data.parts = {} } - - if (data && data.id){ - that.id = data.id; + + if (this.data && this.data.id){ + this.id = this.data.id; } - - if (data && data.zIndexesOccupied) { - zIndexesOccupied = data.zIndexesOccupied; + + if (this.data && this.data.zIndexesOccupied) { + this.zIndexesOccupied = this.data.zIndexesOccupied; } + } - function incrementX(amount) { - that.canvasX += amount.toNumber(); - } + incrementX(amount) { + this.canvasX += amount.toNumber(); + } - function incrementY(amount) { - that.canvasY += amount.toNumber(); - } + incrementY(amount) { + this.canvasY += amount.toNumber(); + } - function getHitBox(forZIndex) { - if (that.data.hitBoxes) { - if (data.hitBoxes[forZIndex]) { - return data.hitBoxes[forZIndex]; - } + getHitBox(forZIndex) { + if (this.data.hitBoxes) { + if (this.data.hitBoxes[forZIndex]) { + return this.data.hitBoxes[forZIndex]; } } + } - function roundHalf(num) { - num = Math.round(num*2)/2; - return num; - } - - function move() { - if (!that.isMoving) { - return; - } + roundHalf(num) { + num = Math.round(num*2)/2; + return num; + } - var currentX = that.mapPosition[0]; - var currentY = that.mapPosition[1]; + move() { + if (!this.isMoving) { + return; + } - if (typeof that.direction !== 'undefined') { - // For this we need to modify the that.direction so it relates to the horizontal - var d = that.direction - 90; - if (d < 0) d = 360 + d; - currentX += roundHalf(that.speed * Math.cos(d * (Math.PI / 180))); - currentY += roundHalf(that.speed * Math.sin(d * (Math.PI / 180))); - } else { - if (typeof that.movingToward[0] !== 'undefined') { - if (currentX > that.movingToward[0]) { - currentX -= Math.min(that.getSpeedX(), Math.abs(currentX - that.movingToward[0])); - } else if (currentX < that.movingToward[0]) { - currentX += Math.min(that.getSpeedX(), Math.abs(currentX - that.movingToward[0])); - } + var currentX = this.mapPosition[0]; + var currentY = this.mapPosition[1]; + + if (typeof this.direction !== 'undefined') { + // For this we need to modify the this.direction so it relates to the horizontal + var d = this.direction - 90; + if (d < 0) d = 360 + d; + currentX += this.roundHalf(this.speed * Math.cos(d * (Math.PI / 180))); + currentY += this.roundHalf(this.speed * Math.sin(d * (Math.PI / 180))); + } else { + if (typeof this.movingToward[0] !== 'undefined') { + if (currentX > this.movingToward[0]) { + currentX -= Math.min(this.getSpeedX(), Math.abs(currentX - this.movingToward[0])); + } else if (currentX < this.movingToward[0]) { + currentX += Math.min(this.getSpeedX(), Math.abs(currentX - this.movingToward[0])); } - - if (typeof that.movingToward[1] !== 'undefined') { - if (currentY > that.movingToward[1]) { - currentY -= Math.min(that.getSpeedY(), Math.abs(currentY - that.movingToward[1])); - } else if (currentY < that.movingToward[1]) { - currentY += Math.min(that.getSpeedY(), Math.abs(currentY - that.movingToward[1])); - } + } + + if (typeof this.movingToward[1] !== 'undefined') { + if (currentY > this.movingToward[1]) { + currentY -= Math.min(this.getSpeedY(), Math.abs(currentY - this.movingToward[1])); + } else if (currentY < this.movingToward[1]) { + currentY += Math.min(this.getSpeedY(), Math.abs(currentY - this.movingToward[1])); } } - - that.setMapPosition(currentX, currentY); } - this.draw = function (dCtx, spriteFrame) { - var fr = that.data.parts[spriteFrame]; - that.height = fr[3]; - that.width = fr[2]; + this.setMapPosition(currentX, currentY); + } - var newCanvasPosition = dCtx.mapPositionToCanvasPosition(that.mapPosition); - that.setCanvasPosition(newCanvasPosition[0], newCanvasPosition[1]); + draw(dCtx, spriteFrame) { + var fr = this.data.parts[spriteFrame]; + this.height = fr[3]; + this.width = fr[2]; - dCtx.drawImage(dCtx.getLoadedImage(that.data.$imageFile), fr[0], fr[1], fr[2], fr[3], that.canvasX, that.canvasY, fr[2], fr[3]); - }; + var newCanvasPosition = dCtx.mapPositionToCanvasPosition(this.mapPosition); + this.setCanvasPosition(newCanvasPosition[0], newCanvasPosition[1]); - this.setMapPosition = function (x, y, z) { - if (typeof x === 'undefined') { - x = that.mapPosition[0]; - } - if (typeof y === 'undefined') { - y = that.mapPosition[1]; - } - if (typeof z === 'undefined') { - z = that.mapPosition[2]; - } else { - that.zIndexesOccupied = [ z ]; - } - that.mapPosition = [x, y, z]; - }; + dCtx.drawImage(dCtx.getLoadedImage(this.data.$imageFile), fr[0], fr[1], fr[2], fr[3], this.canvasX, this.canvasY, fr[2], fr[3]); + } - this.setCanvasPosition = function (cx, cy) { - if (cx) { - if (Object.isString(cx) && (cx.first() === '+' || cx.first() === '-')) incrementX(cx); - else that.canvasX = cx; - } - - if (cy) { - if (Object.isString(cy) && (cy.first() === '+' || cy.first() === '-')) incrementY(cy); - else that.canvasY = cy; - } - }; + setMapPosition(x, y, z) { + if (typeof x === 'undefined') { + x = this.mapPosition[0]; + } + if (typeof y === 'undefined') { + y = this.mapPosition[1]; + } + if (typeof z === 'undefined') { + z = this.mapPosition[2]; + } else { + this.zIndexesOccupied = [ z ]; + } + this.mapPosition = [x, y, z]; + } - this.getCanvasPositionX = function () { - return that.canvasX; - }; + setCanvasPosition(cx, cy) { + if (cx) { + if (Object.isString(cx) && (cx.first() === '+' || cx.first() === '-')) this.incrementX(cx); + else this.canvasX = cx; + } + + if (cy) { + if (Object.isString(cy) && (cy.first() === '+' || cy.first() === '-')) this.incrementY(cy); + else this.canvasY = cy; + } + } - this.getCanvasPositionY = function () { - return that.canvasY; - }; + getCanvasPositionX() { + return this.canvasX; + } - this.getLeftHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; - var lhbe = this.getCanvasPositionX(); - if (getHitBox(zIndex)) { - lhbe += getHitBox(zIndex)[0]; - } - return lhbe; - }; - - this.getTopHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; - var thbe = this.getCanvasPositionY(); - if (getHitBox(zIndex)) { - thbe += getHitBox(zIndex)[1]; - } - return thbe; - }; + getCanvasPositionY() { + return this.canvasY; + } - this.getRightHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; + getLeftHitBoxEdge(zIndex) { + zIndex = zIndex || 0; + var lhbe = this.getCanvasPositionX(); + if (this.getHitBox(zIndex)) { + lhbe += this.getHitBox(zIndex)[0]; + } + return lhbe; + } - if (getHitBox(zIndex)) { - return that.canvasX + getHitBox(zIndex)[2]; - } + getTopHitBoxEdge(zIndex) { + zIndex = zIndex || 0; + var thbe = this.getCanvasPositionY(); + if (this.getHitBox(zIndex)) { + thbe += this.getHitBox(zIndex)[1]; + } + return thbe; + } - return that.canvasX + that.width; - }; + getRightHitBoxEdge(zIndex) { + zIndex = zIndex || 0; - this.getBottomHitBoxEdge = function (zIndex) { - zIndex = zIndex || 0; + if (this.getHitBox(zIndex)) { + return this.canvasX + this.getHitBox(zIndex)[2]; + } - if (getHitBox(zIndex)) { - return that.canvasY + getHitBox(zIndex)[3]; - } + return this.canvasX + this.width; + } - return that.canvasY + that.height; - }; + getBottomHitBoxEdge(zIndex) { + zIndex = zIndex || 0; - this.getPositionInFrontOf = function () { - return [that.canvasX, that.canvasY + that.height]; - }; + if (this.getHitBox(zIndex)) { + return this.canvasY + this.getHitBox(zIndex)[3]; + } - this.setSpeed = function (s) { - that.speed = s; - that.speedX = s; - that.speedY = s; - }; + return this.canvasY + this.height; + } - this.incrementSpeedBy = function (s) { - that.speed += s; - }; + getPositionInFrontOf() { + return [this.canvasX, this.canvasY + this.height]; + } - that.getSpeed = function getSpeed () { - return that.speed; - }; + setSpeed(s) { + this.speed = s; + this.speedX = s; + this.speedY = s; + } - that.getSpeedX = function () { - return that.speed; - }; + incrementSpeedBy(s) { + this.speed += s; + } - that.getSpeedY = function () { - return that.speed; - }; + getSpeed() { + return this.speed; + } - this.setHeight = function (h) { - that.height = h; - }; + getSpeedX() { + return this.speed; + } - this.setWidth = function (w) { - that.width = w; - }; + getSpeedY() { + return this.speed; + } - this.getMaxHeight = function () { - return that.maxHeight; - }; + setHeight(h) { + this.height = h; + } - that.getMovingTowardOpposite = function () { - if (!that.isMoving) { - return [0, 0]; - } + setWidth(w) { + this.width = w; + } - var dx = (that.movingToward[0] - that.mapPosition[0]); - var dy = (that.movingToward[1] - that.mapPosition[1]); - - var oppositeX = (Math.abs(dx) > 75 ? 0 - dx : 0); - var oppositeY = -dy; - - return [ oppositeX, oppositeY ]; - }; - - this.checkHittableObjects = function () { - Object.keys(hittableObjects, function (k, objectData) { - if (objectData.object.deleted) { - delete hittableObjects[k]; - } else { - if (objectData.object.hits(that)) { - objectData.callbacks.each(function (callback) { - callback(that, objectData.object); - }); - } - } - }); - }; + getMaxHeight() { + return this.maxHeight; + } - this.cycle = function () { - that.checkHittableObjects(); + getMovingTowardOpposite() { + if (!this.isMoving) { + return [0, 0]; + } - if (trackedSpriteToMoveToward) { - that.setMapPositionTarget(trackedSpriteToMoveToward.mapPosition[0], trackedSpriteToMoveToward.mapPosition[1], true); - } + var dx = (this.movingToward[0] - this.mapPosition[0]); + var dy = (this.movingToward[1] - this.mapPosition[1]); - move(); - }; + var oppositeX = (Math.abs(dx) > 75 ? 0 - dx : 0); + var oppositeY = -dy; - this.setMapPositionTarget = function (x, y, override) { - if (override) { - that.movingWithConviction = false; - } + return [ oppositeX, oppositeY ]; + } - if (!that.movingWithConviction) { - if (typeof x === 'undefined') { - x = that.movingToward[0]; + checkHittableObjects() { + Object.keys(this.hittableObjects, (k, objectData) => { + if (objectData.object.deleted) { + delete this.hittableObjects[k]; + } else { + if (objectData.object.hits(this)) { + objectData.callbacks.each(function (callback) { + callback(this, objectData.object); + }); } + } + }); + } - if (typeof y === 'undefined') { - y = that.movingToward[1]; - } + cycle() { + this.checkHittableObjects(); - that.movingToward = [ x, y ]; + if (this.trackedSpriteToMoveToward) { + this.setMapPositionTarget(this.trackedSpriteToMoveToward.mapPosition[0], this.trackedSpriteToMoveToward.mapPosition[1], true); + } - that.movingWithConviction = false; - } + this.move(); + } - // that.resetDirection(); - }; + setMapPositionTarget(x, y, override) { + if (override) { + this.movingWithConviction = false; + } - this.setDirection = function (angle) { - if (angle >= 360) { - angle = 360 - angle; + if (!this.movingWithConviction) { + if (typeof x === 'undefined') { + x = this.movingToward[0]; } - that.direction = angle; - that.movingToward = undefined; - }; - - this.resetDirection = function () { - that.direction = undefined; - }; - - this.setMapPositionTargetWithConviction = function (cx, cy) { - that.setMapPositionTarget(cx, cy); - that.movingWithConviction = true; - // that.resetDirection(); - }; - - this.follow = function (sprite) { - trackedSpriteToMoveToward = sprite; - // that.resetDirection(); - }; - - this.stopFollowing = function () { - trackedSpriteToMoveToward = false; - }; - - this.onHitting = function (objectToHit, callback) { - if (hittableObjects[objectToHit.id]) { - return hittableObjects[objectToHit.id].callbacks.push(callback); + + if (typeof y === 'undefined') { + y = this.movingToward[1]; } - hittableObjects[objectToHit.id] = { - object: objectToHit, - callbacks: [ callback ] - }; - }; + this.movingToward = [ x, y ]; - this.deleteOnNextCycle = function () { - that.deleted = true; - }; + this.movingWithConviction = false; + } - this.occupiesZIndex = function (z) { - return zIndexesOccupied.indexOf(z) >= 0; - }; + // this.resetDirection(); + } - this.hits = function (other) { - var verticalIntersect = false; - var horizontalIntersect = false; + setDirection(angle) { + if (angle >= 360) { + angle = 360 - angle; + } + this.direction = angle; + this.movingToward = undefined; + } - // Test that THIS has a bottom edge inside of the other object - if (other.getTopHitBoxEdge(that.mapPosition[2]) <= that.getBottomHitBoxEdge(that.mapPosition[2]) && other.getBottomHitBoxEdge(that.mapPosition[2]) >= that.getBottomHitBoxEdge(that.mapPosition[2])) { - verticalIntersect = true; - } + resetDirection() { + this.direction = undefined; + } - // Test that THIS has a top edge inside of the other object - if (other.getTopHitBoxEdge(that.mapPosition[2]) <= that.getTopHitBoxEdge(that.mapPosition[2]) && other.getBottomHitBoxEdge(that.mapPosition[2]) >= that.getTopHitBoxEdge(that.mapPosition[2])) { - verticalIntersect = true; - } + setMapPositionTargetWithConviction(cx, cy) { + this.setMapPositionTarget(cx, cy); + this.movingWithConviction = true; + // this.resetDirection(); + } - // Test that THIS has a right edge inside of the other object - if (other.getLeftHitBoxEdge(that.mapPosition[2]) <= that.getRightHitBoxEdge(that.mapPosition[2]) && other.getRightHitBoxEdge(that.mapPosition[2]) >= that.getRightHitBoxEdge(that.mapPosition[2])) { - horizontalIntersect = true; - } + follow(sprite) { + this.trackedSpriteToMoveToward = sprite; + // this.resetDirection(); + } - // Test that THIS has a left edge inside of the other object - if (other.getLeftHitBoxEdge(that.mapPosition[2]) <= that.getLeftHitBoxEdge(that.mapPosition[2]) && other.getRightHitBoxEdge(that.mapPosition[2]) >= that.getLeftHitBoxEdge(that.mapPosition[2])) { - horizontalIntersect = true; - } + stopFollowing() { + this.trackedSpriteToMoveToward = false; + } - return verticalIntersect && horizontalIntersect; - }; + onHitting(objectToHit, callback) { + if (this.hittableObjects[objectToHit.id]) { + return this.hittableObjects[objectToHit.id].callbacks.push(callback); + } - this.isAboveOnCanvas = function (cy) { - return (that.canvasY + that.height) < cy; - }; + this.hittableObjects[objectToHit.id] = { + object: objectToHit, + callbacks: [ callback ] + } + } - this.isBelowOnCanvas = function (cy) { - return (that.canvasY) > cy; - }; + deleteOnNextCycle() { + this.deleted = true; + } - return that; + occupiesZIndex(z) { + return this.zIndexesOccupied.indexOf(z) >= 0; } - Sprite.createObjects = function createObjects(spriteInfoArray, opts) { - if (!Array.isArray(spriteInfoArray)) spriteInfoArray = [ spriteInfoArray ]; - opts = Object.merge(opts, { - rateModifier: 0, - dropRate: 1, - position: [0, 0] - }, false, false); + hits(other) { + var verticalIntersect = false; + var horizontalIntersect = false; - function createOne (spriteInfo) { - var position = opts.position; - if (Number.random(100 + opts.rateModifier) <= spriteInfo.dropRate) { - var sprite = new Sprite(spriteInfo.sprite); - sprite.setSpeed(0); + // Test this.THIS has a bottom edge inside of the other object + if (other.getTopHitBoxEdge(this.mapPosition[2]) <= this.getBottomHitBoxEdge(this.mapPosition[2]) && other.getBottomHitBoxEdge(this.mapPosition[2]) >= this.getBottomHitBoxEdge(this.mapPosition[2])) { + verticalIntersect = true; + } - if (Object.isFunction(position)) { - position = position(); - } + // Test this.THIS has a top edge inside of the other object + if (other.getTopHitBoxEdge(this.mapPosition[2]) <= this.getTopHitBoxEdge(this.mapPosition[2]) && other.getBottomHitBoxEdge(this.mapPosition[2]) >= this.getTopHitBoxEdge(this.mapPosition[2])) { + verticalIntersect = true; + } - sprite.setMapPosition(position[0], position[1]); + // Test this.THIS has a right edge inside of the other object + if (other.getLeftHitBoxEdge(this.mapPosition[2]) <= this.getRightHitBoxEdge(this.mapPosition[2]) && other.getRightHitBoxEdge(this.mapPosition[2]) >= this.getRightHitBoxEdge(this.mapPosition[2])) { + horizontalIntersect = true; + } - if (spriteInfo.sprite.hitBehaviour && spriteInfo.sprite.hitBehaviour.skier && opts.player) { - sprite.onHitting(opts.player, spriteInfo.sprite.hitBehaviour.skier); - } + // Test this.THIS has a left edge inside of the other object + if (other.getLeftHitBoxEdge(this.mapPosition[2]) <= this.getLeftHitBoxEdge(this.mapPosition[2]) && other.getRightHitBoxEdge(this.mapPosition[2]) >= this.getLeftHitBoxEdge(this.mapPosition[2])) { + horizontalIntersect = true; + } + + return verticalIntersect && horizontalIntersect; + } + + isAboveOnCanvas(cy) { + return (this.canvasY + this.height) < cy; + } - return sprite; + isBelowOnCanvas(cy) { + return (this.canvasY) > cy; + } +} + +Sprite.createObjects = function createObjects(spriteInfoArray, opts) { + if (!Array.isArray(spriteInfoArray)) spriteInfoArray = [ spriteInfoArray ]; + opts = Object.merge(opts, { + rateModifier: 0, + dropRate: 1, + position: [0, 0] + }, false, false); + + function createOne (spriteInfo) { + var position = opts.position; + if (Number.random(100 + opts.rateModifier) <= spriteInfo.dropRate) { + var sprite = new Sprite(spriteInfo.sprite); + sprite.setSpeed(0); + + if (Object.isFunction(position)) { + position = position(); } - } - var objects = spriteInfoArray.map(createOne).remove(undefined); + sprite.setMapPosition(position[0], position[1]); + + if (spriteInfo.sprite.hitBehaviour && spriteInfo.sprite.hitBehaviour.skier && opts.player) { + sprite.onHitting(opts.player, spriteInfo.sprite.hitBehaviour.skier); + } - return objects; - }; + return sprite; + } + } - global.sprite = Sprite; -})( this ); + var objects = spriteInfoArray.map(createOne).remove(undefined); + return objects; +} -if (typeof module !== 'undefined') { - module.exports = this.sprite; -} \ No newline at end of file +export default Sprite; diff --git a/js/lib/spriteArray.js b/js/lib/spriteArray.js index cce2e5a..81acab1 100644 --- a/js/lib/spriteArray.js +++ b/js/lib/spriteArray.js @@ -1,39 +1,71 @@ -(function (global) { - function SpriteArray() { +class SpriteArray extends Array { + constructor(...items) { + super(...items); this.pushHandlers = []; - - return this; } - SpriteArray.prototype = Object.create(Array.prototype); - - SpriteArray.prototype.onPush = function(f, retroactive) { + onPush(f, retroactive) { this.pushHandlers.push(f); if (retroactive) { this.each(f); } - }; + } - SpriteArray.prototype.push = function(obj) { + push(obj) { Array.prototype.push.call(this, obj); this.pushHandlers.each(function(handler) { handler(obj); }); - }; + } - SpriteArray.prototype.cull = function() { + cull() { this.each(function (obj, i) { if (obj.deleted) { return (delete this[i]); } }); - }; + } +} + +export default SpriteArray; + +// (function (global) { +// function SpriteArray() { +// this.pushHandlers = []; + +// return this; +// } + +// SpriteArray.prototype = Object.create(Array.prototype); + +// SpriteArray.prototype.onPush = function(f, retroactive) { +// this.pushHandlers.push(f); + +// if (retroactive) { +// this.each(f); +// } +// }; + +// SpriteArray.prototype.push = function(obj) { +// Array.prototype.push.call(this, obj); +// this.pushHandlers.each(function(handler) { +// handler(obj); +// }); +// }; + +// SpriteArray.prototype.cull = function() { +// this.each(function (obj, i) { +// if (obj.deleted) { +// return (delete this[i]); +// } +// }); +// }; - global.spriteArray = SpriteArray; -})(this); +// global.spriteArray = SpriteArray; +// })(this); -if (typeof module !== 'undefined') { - module.exports = this.spriteArray; -} \ No newline at end of file +// if (typeof module !== 'undefined') { +// module.exports = this.spriteArray; +// } \ No newline at end of file diff --git a/js/main.js b/js/main.js index 5751213..8933e11 100644 --- a/js/main.js +++ b/js/main.js @@ -1,34 +1,32 @@ // Global dependencies which return no modules -require('./lib/canvasRenderingContext2DExtensions'); -require('./lib/extenders'); -require('./lib/plugins'); +import './lib/canvasRenderingContext2DExtensions'; +import './lib/extenders'; +import './lib/plugins'; // External dependencies -var Hammer = require('hammerjs'); -var Mousetrap = require('br-mousetrap'); +import Hammer from 'hammerjs'; +import Mousetrap from 'br-mousetrap'; // Method modules -var isMobileDevice = require('./lib/isMobileDevice'); +import isMobileDevice from './lib/isMobileDevice'; // Game Objects -var SpriteArray = require('./lib/spriteArray'); -var Monster = require('./lib/monster'); -var Sprite = require('./lib/sprite'); -var Snowboarder = require('./lib/snowboarder'); -var Skier = require('./lib/skier'); -var InfoBox = require('./lib/infoBox'); -var Game = require('./lib/game'); +import Monster from './lib/monster'; +import Sprite from './lib/sprite'; +import Snowboarder from './lib/snowboarder'; +import Skier from './lib/skier'; +import InfoBox from './lib/infoBox'; +import Game from './lib/game'; // Local variables for starting the game -var mainCanvas = document.getElementById('skifree-canvas'); -var dContext = mainCanvas.getContext('2d'); -var imageSources = [ 'sprite-characters.png', 'skifree-objects.png' ]; -var global = this; +const mainCanvas = document.getElementById('skifree-canvas'); +const dContext = mainCanvas.getContext('2d'); +const imageSources = [ 'sprite-characters.png', 'skifree-objects.png' ]; var infoBoxControls = 'Use the mouse or WASD to control the player'; if (isMobileDevice()) infoBoxControls = 'Tap or drag on the piste to control the player'; -var sprites = require('./spriteInfo'); +import sprites from './spriteInfo'; -var pixelsPerMetre = 18; +const pixelsPerMetre = 18; var distanceTravelledInMetres = 0; var monsterDistanceThreshold = 2000; var livesLeft = 5; @@ -246,19 +244,24 @@ function startNeverEndingGame (images) { Mousetrap.bind('b', spawnBoarder); Mousetrap.bind('space', resetGame); - var hammertime = Hammer(mainCanvas).on('press', function (e) { + var hammertime = new Hammer(mainCanvas) + + hammertime.on('press', function (e) { e.preventDefault(); game.setMouseX(e.gesture.center.x); game.setMouseY(e.gesture.center.y); - }).on('tap', function (e) { + }); + hammertime.on('tap', function (e) { game.setMouseX(e.gesture.center.x); game.setMouseY(e.gesture.center.y); - }).on('pan', function (e) { + }); + hammertime.on('pan', function (e) { game.setMouseX(e.gesture.center.x); game.setMouseY(e.gesture.center.y); player.resetDirection(); player.startMovingIfPossible(); - }).on('doubletap', function (e) { + }); + hammertime.on('doubletap', function (e) { player.speedBoost(); }); @@ -278,5 +281,3 @@ window.addEventListener('resize', resizeCanvas, false); resizeCanvas(); loadImages(imageSources, startNeverEndingGame); - -this.exports = window; diff --git a/makefile b/makefile deleted file mode 100644 index 9d3373e..0000000 --- a/makefile +++ /dev/null @@ -1,21 +0,0 @@ -VERSION ?= edge - -CFLAGS = -c -g -D $(VERSION) - -help: - @echo " deps install dependencies" - @echo " test runs tests" - @echo " compile sets up your js files for production" - @echo " serve run the webserver" - -deps: - npm install - -test: - npm test - -compile: - browserify js/main.js -d -o dist/skifree.js - uglifyjs dist/skifree.js -d -c > dist/skifree.min.js -serve: - ruby -rwebrick -e'WEBrick::HTTPServer.new(:Port => 3000, :DocumentRoot => Dir.pwd).start' diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json index 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--- /dev/null +++ b/webpack.config.js @@ -0,0 +1,23 @@ +const path = require('path'); + +module.exports = { + entry: './js/main.js', + output: { + path: path.resolve(__dirname, 'dist'), + filename: 'skifree.js' + }, + module: { + rules: [ + { + test: /\.m?js$/, + exclude: /(node_modules|bower_components)/, + use: { + loader: 'babel-loader', + options: { + presets: ['@babel/preset-env'] + } + } + } + ] + } +}; \ No newline at end of file