52 lines
1.0 KiB
JavaScript
52 lines
1.0 KiB
JavaScript
import {
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World,
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Pico8,
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Group,
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Line,
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Random,
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Vector2,
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degToRad,
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} from "../artworld/index.js";
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const world = new World("mainCanvas");
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window.world = world;
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function* spirals() {
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while (true) {
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let g = new Group(world);
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let rc = Random.choice(Object.values(Pico8));
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for (let d = 0; d < 180; d += 10) {
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if (Random.chance(0.9)) {
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new Line(g).to(Vector2.polar(190 - d, degToRad(d))).stroke(rc);
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}
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}
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yield g;
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}
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}
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function makeGrid(iterable, rows, cols, opts) {
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opts = opts || {};
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let width = opts.width || 50;
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let height = opts.height || 50;
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let xOff = opts.xOff || 0;
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let yOff = opts.yOff || 0;
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for (let c = 0; c < cols; c++) {
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for (let r = 0; r < rows; r++) {
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let result = iterable.next().value;
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if (result === undefined) {
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return;
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} else {
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result.pos(new Vector2(width * c + xOff, height * r + yOff));
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}
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}
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}
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}
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makeGrid(spirals(), 4, 3, {
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width: 220,
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height: 120,
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xOff: 80,
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yOff: 10,
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});
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world.draw();
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