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