Add game: Conway's Game of Life (#2071)

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hackclub · Aug 5, 2024 · 6f59b2b · 6f59b2b
1 parent c35c9af
commit 6f59b2b
Showing 1 changed file with 216 additions and 0 deletions.
diff --git a/games/CONWAYs_GAME_OF_LIFE.js b/games/CONWAYs_GAME_OF_LIFE.js
@@ -0,0 +1,216 @@
+/*
+@title: The game of life
+@author: Jules Pouvreaux
+@tags: []
+@addedOn: 2024-00-00
+
+----------------------------------
+
+W, A, S, D : Movement
+I, K       : Speed +/-
+J          : Reset
+L          : Switch tile state
+
+----------------------------------
+*/
+
+const outcomes = "B3/S23";
+var fps = 0;
+
+const sel = "s";
+const living = "l";
+const dead = "d";
+
+setLegend(
+  [sel, bitmap`
+HHHHHHHHHHHHHHHH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HH............HH
+HHHHHHHHHHHHHHHH
+HHHHHHHHHHHHHHHH`],
+  [living, bitmap`
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222
+2222222222222222`],
+  [dead, bitmap`
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000`],
+);
+
+setSolids([]);
+
+const maparr = map`
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd
+dddddddddddddddddddddddddddddddddddddddd`.trim().split('');
+setMap(maparr.join(''));
+addSprite(0, 0, sel);
+
+const maparr_get = (x, y) => maparr[y * (width() + 1) + x];
+const maparr_set = (x, y, c) => maparr[y * (width() + 1) + x] = c;
+
+function maparr_render() {
+  const { x: cx, y: cy } = getFirst(sel);
+  setMap(maparr.join(''));
+  addSprite(cx, cy, sel);
+}
+
+getFirst(sel).y = 15;
+getFirst(sel).x = 19;
+
+const deadOutcomes = [0, 0, 0, 0, 0, 0, 0, 0, 0];
+const livingOutcomes = [0, 0, 0, 0, 0, 0, 0, 0, 0];
+{
+  const [dO, lO] = outcomes.split("/").map(part => part.substring(1));
+  dO.split("").forEach(num => deadOutcomes[parseInt(num)] = 1);
+  lO.split("").forEach(num => livingOutcomes[parseInt(num)] = 1);
+}
+
+function step() {
+  const livingNeighborMap = new Uint8Array(width() * height());
+  const index = (x, y) => y * width() + x;
+
+  const livingNeighborMapAdd = (x, y) => {
+    if (x < 0 || y < 0 || x >= width() || y >= height()) return;
+    livingNeighborMap[index(x, y)] += 1;
+  }
+
+  for (let x = 0; x < width(); x++) {
+    for (let y = 0; y < height(); y++) {
+      if (maparr_get(x, y) === living) {
+        livingNeighborMapAdd(x + 1, y - 1);
+        livingNeighborMapAdd(x + 1, y);
+        livingNeighborMapAdd(x + 1, y + 1);
+        livingNeighborMapAdd(x, y - 1);
+        livingNeighborMapAdd(x, y + 1);
+        livingNeighborMapAdd(x - 1, y - 1);
+        livingNeighborMapAdd(x - 1, y);
+        livingNeighborMapAdd(x - 1, y + 1);
+      }
+    }
+  }
+
+  for (let x = 0; x < width(); x++) {
+    for (let y = 0; y < height(); y++) {
+      const livingNeighbors = livingNeighborMap[index(x, y)];
+      const type = maparr_get(x, y);
+
+      if (type === living && livingOutcomes[livingNeighbors] === 0) {
+        maparr_set(x, y, dead);
+      } else if (type === dead && deadOutcomes[livingNeighbors] === 1) {
+        maparr_set(x, y, living);
+      }
+    }
+  }
+
+  maparr_render();
+}
+
+let interval;
+let running = false;
+
+function game() {
+  if (running) {
+    step();
+    setTimeout(game, 1000 / fps);
+  } else {
+    setTimeout(game, 1000);
+  }
+}
+
+game();
+
+onInput("w", () => getFirst(sel).y -= 1);
+onInput("a", () => getFirst(sel).x -= 1);
+onInput("s", () => getFirst(sel).y += 1);
+onInput("d", () => getFirst(sel).x += 1);
+onInput("i", () => {
+  fps = Math.min(fps + 1, 100);
+  running = true;
+});
+onInput("j", () => {
+  for (let x = 0; x < width(); x++) {
+    for (let y = 0; y < height(); y++) {
+      maparr_set(x, y, dead);
+    }
+  }
+  maparr_render();
+});
+onInput("k", () => {
+  fps = Math.max(fps - 1, 0);
+  if (fps <= 0) {
+    running = false;
+  }
+});
+onInput("l", () => {
+  const { x, y } = getFirst(sel);
+  maparr_set(x, y, maparr_get(x, y) === living ? dead : living);
+  maparr_render();
+});