speice.io/blog/2024-11-15-playing-with-fire/1-introduction/chaosGame.js

45 lines
1.0 KiB
JavaScript

function Gasket() {
// Hint: try increasing the iteration count
const iterations = 10000;
// Display the progress every `step` iterations
const step = 1000;
// Hint: negating `x` and `y` creates some interesting images
const transforms = [
(x, y) => [x / 2, y / 2],
(x, y) => [(x + 1) / 2, y / 2],
(x, y) => [x / 2, (y + 1) / 2]
]
const image = new ImageData(600, 600);
function* chaosGame() {
var [x, y] = [randomBiUnit(), randomBiUnit()];
for (var count = 0; count < iterations; count++) {
const i = randomInteger(0, transforms.length);
[x, y] = transforms[i](x, y);
if (count > 20) {
plot(x, y, image);
}
if (count % 1000 === 0) {
yield image;
}
}
yield image;
}
return (
<Canvas
width={image.width}
height={image.height}
painter={chaosGame()}/>
)
}
render(<Gasket/>)