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blockfall_sp.html
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<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no">
<title>Tetris</title>
<style type="text/css">
<!--
@charset "UTF-8";
body{
position: fixed;
}
.screen{
width:100%;
height:85vh;
border:solid 1px;
}
.window{
width:98%;
height:62%;
background-color:gray;
border:solid 1px;
margin:1% auto 0 auto;
}
.fullscreen{
width: 100%;
height: 100%;
margin: 0 auto 0 auto;
}
.largebtn{
width:100%;
height:9%;
margin-left:0;
margin-right:0;
}
.halfbtn{
width:49%;
height:9%;
margin-left:0;
margin-right:0;
}
.smallbtn{
width:32%;
height:10%;
margin-left:0;
margin-right:0;
}
-->
</style>
</head>
<body onload="" onSelectStart="return false;">
<div class="screen">
<div class="window" id="window">
</div>
<input type="button" class="halfbtn" value="START" id="startbtn" onclick="start()"/>
<input type="button" class="halfbtn" value="STOP" id="stopbtn" onclick="stop()"/>
<input type="button" class="smallbtn" value="左" id="testbtn" onmousedown="control('left')"/>
<input type="button" class="smallbtn" value="回転" id="testbtn" onmousedown="control('rotate')"/>
<input type="button" class="smallbtn" value="右" id="testbtn" onmousedown="control('right')"/>
<input type="button" class="largebtn" value="早送り" id="testbtn" onmousedown="control('fast')" onmouseup="control('slow')"/>
<input type="button" class="largebtn" value="ブロック切り替え" id="testbtn" onmousedown="control('change')"/>
</div>
<script type="text/javascript">
<!--
var debug_mode = false;//デバッグモード
var res_x = 20;//横の解像度
var res_y = 20;//縦の解像度
var interval_fast = 100;//落下の間隔
var interval_slow = 1000;//落下の間隔
var blockQuant = 3;//ブロック数
var random;//ランダムエンジン
var table;//テトリスのスクリーン
var blocks = [];//ブロック配列
var block;//選択中のブロック
var currentIndex;//選択中のインデックス
var interval;//現在の落下の間隔
var flg;//進行
var lock;//割り込み防止用
var run;//開始してるかどうか
/* 開始 */
function start(){
if(run){
if(!flg){
alert("resume");
flg = true;
}
return;
}
//初期化
random = new RandomEngine();
table = new Table(res_x,res_y);
table.init();
//ブロックたちの初期化
currentIndex = 0;
for(var i=0;i<blockQuant;i++){
blocks.push(new Block());
blocks[i].init();
table.replace(blocks[i],false);
}
block = blocks[currentIndex];
table.repaint();
interval = interval_slow;
lock = false;
flg = true;
run = true;
alert("START");
}
/* 停止 */
function stop(){
if(!flg){
return;
}
flg = false;
alert("stop");
}
/* 毎秒呼び出される関数 */
function sequence(){
if(!flg){
return;
}
while(lock);
lock = true;
for(var i=0;i<blockQuant;i++){
//ブロックの落下処理
blocks[i].fall();
if(!table.replace(blocks[i],false)){
//落下済みブロックと衝突した場合
blocks[i].die();
table.replace(blocks[i],true);
table.rowClear();
blocks[i] = new Block();
blocks[i].init();
if(!table.replace(blocks[i],false)){
table.replace(blocks[i],true);
flg = false;
run = false;
alert("GAME OVER");
}
//選択中のブロックだった場合
if(i == currentIndex){
if(currentIndex < blocks.length-1){
currentIndex++;
}else{
currentIndex = 0;
}
}
}
}
block = blocks[currentIndex];
table.repaint();
lock = false;
}
/* ブロック操作 */
function control(arg){
if(!flg){
return;
}
while(lock);
lock = true;
if(arg == "rotate"){
block.rotate();
}else
if(arg == "left"){
block.left();
}else
if(arg == "right"){
block.right();
}else
if(arg == "fast"){
interval = interval_fast;
}else
if(arg == "slow"){
interval = interval_slow;
}else
if(arg == "change"){
if(currentIndex < blocks.length-1){
currentIndex++;
}else{
currentIndex = 0;
}
block = blocks[currentIndex];
}
table.replace(block,false);
table.repaint();
lock = false;
}
/**
* 説明:テトリスのスクリーン
* 生成:new Table(横,縦);table.init();
* 地形説明:
* block.id = 自ブロック
* 0 = 空き地
* -1 = 落下済みブロック
* 上記以外 = 他ブロック
* 依存関係:Block
*/
var Table = function(width,height){
this.x = width;//横解像度
this.y = height;//縦解像度
this.colors = [];//色配列
this.terrain = [];//地形
this.writable = "";//HTML
this.color = "#ddddff";//デフォルト色
this.td = "";//テスト用
this.border = 0;//テスト用
this.style = "";//選択中ブロックに適用
/* 色と地形の2次元配列の初期化 */
this.init = function(){
for(var i=0;i<this.y;i++){
var clr = [];
var trn = [];
for(var j=0;j<this.x;j++){
clr.push(this.color);
trn.push(0);
}
this.colors.push(clr);
this.terrain.push(trn);
}
}
/* スクリーンの再描画 */
this.repaint = function(){
this.writable = "";
if(debug_mode){
this.border = 1;
}
this.writable += "<table border='"+this.border+"' cellspacing='0px' class='fullscreen'>";
for(var i=0;i<this.y;i++){
this.writable += "<tr>";
for(var j=0;j<this.x;j++){
if(debug_mode){
this.td = this.terrain[i][j];
}
if(this.terrain[i][j] == block.id){
this.style = "background-color:#ffff00";
}else{
this.style = "";
}
this.writable += "<td bgcolor='"+this.colors[i][j]+"' style='"+this.style+"'>"+this.td+"</td>";
}
this.writable += "</tr>";
}
this.writable += "</table>";
//出力
document
.getElementById("window")
.innerHTML = this.writable;
}
/* ブロック情報をテーブルに反映 */
this.replace = function(block,force){
try{//エラー処理開始
//地形チェック
for(var i=0;i<block.nextForm.length;i++){
for(var j=0;j<block.nextForm[i].length;j++){
if(block.nextForm[i][j]==1 && this.terrain[i+block.nextPosY][j+block.nextPosX] != 0 && (this.terrain[i+block.nextPosY][j+block.nextPosX] != block.id && !force)){
if(this.terrain[i+block.nextPosY][j+block.nextPosX] == -1){
return false;
}else{
return true;
}
}
}
}
//古い位置の情報を削除
for(var i=0;i<block.form.length;i++){
for(var j=0;j<block.form[i].length;j++){
if(block.form[i][j]==1){
this.colors[i+block.posY][j+block.posX] = this.color;
this.terrain[i+block.posY][j+block.posX] = 0;
}
}
}
//新しい位置に配置
for(var i=0;i<block.nextForm.length;i++){
for(var j=0;j<block.nextForm[i].length;j++){
if(block.nextForm[i][j]==1){
this.colors[i+block.nextPosY][j+block.nextPosX] = block.color;
this.terrain[i+block.nextPosY][j+block.nextPosX] = block.id;
}
}
}
}catch(ex){//エラー処理終了
return false;
}
block.commit();
return true;
}
/* 埋まった行を削除 */
this.rowClear = function(){
//縦スキャン
parent: for(var i=0;i<this.y;i++){
if(this.terrain[i][0] == -1){
//横スキャン
for(var j=0;j<this.x;j++){
if(this.terrain[i][j] != -1){
continue parent;
}
}
//1行削除
for(var k=i;k>=0;k--){
for(var l=0;l<this.x;l++){
if(this.terrain[k][l] == -1){
this.terrain[k][l] = 0;
this.colors[k][l] = this.color;
}
if(k > 0 && this.terrain[k-1][l] == -1){
this.terrain[k][l] = this.terrain[k-1][l];
this.colors[k][l] = this.colors[k-1][l];
}
}
}
}
}
}
}
/**
* 説明:ブロック
* 生成:new Block();block.init();
* 依存関係:RandomEngine
*/
var Block = function(){
this.id;
this.posX;
this.posY;
this.form;
this.color;
this.nextPosX = 5;
this.nextPosY = 0;
this.nextForm = [];
this.blockList = [];//3次元配列
//J
this.blockList[0]
=[
[[0,1],[0,1],[1,1]],
"#515111"
];
//L
this.blockList[1]
=[
[[1,0],[1,0],[1,1]],
"#511151"
];
//I
this.blockList[2]
=[
[[0,1,0],[0,1,0],[0,1,0],[0,1,0]],
"#115151"
];
//T
this.blockList[3]
=[
[[1,1,1],[0,1,0]],
"#511111"
];
//S
this.blockList[4]
=[
[[0,1,1],[1,1,0]],
"#115111"
];
//Z
this.blockList[5]
=[
[[1,1,0],[0,1,1]],
"#111151"
];
//O
this.blockList[6]
=[
[[1,1],[1,1]],
"#515151"
];
/* 初期化 */
this.init = function(){
var currentBlock = this.blockList[random.nextInt(this.blockList.length,false)];
this.nextForm = currentBlock[0];
this.color = currentBlock[1];
this.nextPosX = random.nextInt(res_x-this.nextForm[0].length,false);
this.id=1+random.nextInt(blockQuant,true);
this.commit();
}
/* 回転 */
this.rotate = function(){
this.nextForm = [];
for(var i=this.form[0].length-1;i>=0;i--){
var tmp = [];
for(var j=0;j<this.form.length;j++){
tmp.push(this.form[j][i]);
}
this.nextForm.push(tmp);
}
this.nextPosY = this.posY;
this.nextPosX = this.posX;
}
/* 下 */
this.fall = function(){
this.nextPosY = this.posY + 1;
this.nextPosX = this.posX;
this.nextForm = this.form;
}
/* 左 */
this.left = function(){
this.nextPosY = this.posY;
this.nextPosX = this.posX - 1;
this.nextForm = this.form;
}
/* 右 */
this.right = function(){
this.nextPosY = this.posY;
this.nextPosX = this.posX + 1;
this.nextForm = this.form;
}
/* 位置と形を確定 */
this.commit = function(){
this.posX = this.nextPosX;
this.posY = this.nextPosY;
this.form = this.nextForm;
}
/* 死亡 */
this.die = function(){
this.nextPosY = this.posY;
this.nextPosX = this.posX;
this.nextForm = this.form;
random.release(this.id-1);
this.id = -1;
}
}
/**
* 説明:ユニークな乱数を生成できるクラス
* 生成:new RandomEngine();
*/
var RandomEngine = function(){
this.list = [];
/* 乱数を取得 */
this.nextInt = function(max,isUnique){
//0未満はユニーク化対象外
if(!isUnique || max<0){
return Math.floor(Math.random() * max);
}
//ユニークな乱数を取得
var tmp = Math.floor(Math.random() * max);
var overlap = 0;
while(true){
tmp = Math.floor(Math.random() * max);
//重複チェック
for(var i=0;i<this.list.length;i++){
if(tmp == this.list[i]){
overlap++;
}
}
if(overlap == 0){
this.list.push(tmp);
return tmp;
}
if(this.list.length >= max){
return 0;
}
overlap = 0;
}
}
/* 占拠中の値を解放 */
this.release = function(num){
for(var i=0;i<this.list.length;i++){
if(num == this.list[i]){
this.list.splice(i,1);
}
}
}
}
//-->
</script>
<script type="text/javascript">
function loop(){
sequence();
setTimeout("loop()",interval);
}
loop();
</script>
</body>
</html>