init

js/conway.js

@@ -0,0 +1,49 @@
+/*
+    Conway's Game of Life.
+
+*/
+
+let queuedChanges = [];
+
+function life(event, liveTile, deadTile) {
+    if (event.type != 'tick') return;
+
+    let cx = event.data[0];
+    let cy = event.data[1];
+    let chunks = event.canvas;
+
+    let neighbors = 0;
+
+    let currBlock = chunks.getBlock(cx, cy);
+
+    liveTile = mainTiles.resolveID(liveTile[0], liveTile[1]);
+    deadTile = mainTiles.resolveID(deadTile[0], deadTile[1]);
+
+    for (let x = -1; x <= 1; x++) {
+        for (let y = -1; y <= 1; y++) {
+            if (x == 0 && y == 0) continue;
+            let blok = chunks.getBlock(cx + x, cy + y);
+            neighbors += (blok == liveTile) ? 1 : 0;
+        }
+    }
+
+    if (currBlock == -1 || (currBlock != liveTile && currBlock != deadTile)) return;
+
+    if ((neighbors < 2 || neighbors > 3) && currBlock != deadTile) {
+       chunks.queuedChanges.push([cx, cy, deadTile])
+    }
+
+    if (neighbors == 3 && currBlock != liveTile) {
+        chunks.queuedChanges.push([cx, cy, liveTile])
+    }
+
+    return true;
+
+}
+
+Tile.prototype.life = function (liveTile, deadTile) {
+    this.interactions.push(function (event) {
+        life(event, liveTile, deadTile)
+    });
+    return this;
+}