add unfinished version of gameOfLife mod

mods/gameOfLife.js

@@ -0,0 +1,83 @@
+// UNFINISHED
+{
+let processed = 0;
+let started = false;
+
+const offsetX = 20;
+const offsetY = 10;
+
+function getAliveNeighbors(x, y) {
+    let amount = 0;
+    for (const i of [-1, 0, 1]) {
+        for (const j of [-1, 0, 1]) {
+            if (i == 0 && j == 0) continue;
+            if (outOfBounds(x + i, y + j)) continue;
+            const x1 = x + i;
+            const y1 = y + j;
+            if (pixelMap[x1][y1] && pixelMap[x1][y1].element == "alive_cell") amount++;
+        }
+    }
+    return amount;
+}
+
+elements.alive_cell = {
+    name: "Alive cell",
+    color: "#000000"
+}
+
+elements.dead_cell = {
+    name: "Dead cell",
+    color: "#ffffff"
+}
+
+setInterval(cellTick, (1000/tps)*2);
+
+function cellTick() {
+    if (started && !paused) {
+        const newStates = [];
+        for (let i = offsetX; i < width - offsetX; i++) {
+            for (let j = offsetY; j < height - offsetY; j++) {
+                if (!pixelMap[i][j]) continue;
+                const {element} = pixelMap[i][j];
+                const neighbors = getAliveNeighbors(i, j);
+                if (element == "alive_cell") {
+                    if (neighbors < 2 || neighbors > 3) {
+                        newStates.push(["dead_cell", i, j]);
+                    } else {
+                        newStates.push(["alive_cell", i, j]);
+                    }
+                } else if (element == "dead_cell") {
+                    if (neighbors == 3) {
+                        newStates.push(["alive_cell", i, j]);
+                    } else {
+                        newStates.push(["dead_cell", i, j]);
+                    }
+                }
+            }
+        }
+        for (let state of newStates) {
+            const {element} = pixelMap[state[1]][state[2]];
+            if (element != state[0]) {
+                deletePixel(state[1], state[2]);
+                createPixel(state[0], state[1], state[2]);
+            }
+        }
+    }
+}
+
+window.addEventListener("keydown", (ev) => {
+    if (ev.key == "u") {
+        if (!started) {
+            videoFrame = 0;
+
+            for (let i = offsetX; i < width - offsetX; i++) {
+                for (let j = offsetY; j < height - offsetY; j++) {
+                    if (pixelMap[i][j]) deletePixel(i, j);
+                    createPixel("dead_cell", i, j);
+                }
+            }
+        }
+        started = !started;
+    }
+})
+}