JavaScript Artist
Public
Edited
Jun 9, 2024
2 forks
Importers
3 stars
// Hat tip to https://georgefrancis.dev/writing/crafting-organic-patterns-with-voronoi-tessellations/
getRandomGrid = (
width,
height,
step = 10,
amount = Math.round((width * height) / step ** 2),
rndseed = 1984
) => {
amount = amount >= 0 ? amount : Math.round((width * height) / step ** 2);
const rnd = almostRandom(rndseed);
const start = new Array(amount)
.fill(0)
.map(() => [rnd() * width, rnd() * height]);
const delaunay = Delaunay.from(start);
const voronoi = delaunay.voronoi([0, 0, width, height]);
const points = [];
for (let k = 0; k < relax; k++) {
for (let i = 0; i < delaunay.points.length; i += 2) {
const cell = voronoi.cellPolygon(i >> 1);
if (cell === null) continue;
const x0 = delaunay.points[i];
const y0 = delaunay.points[i + 1];
const [x1, y1] = polygonCentroid(cell);
delaunay.points[i] = x1;
delaunay.points[i + 1] = y1;
}
voronoi.update();
}
for (let i = 0; i < delaunay.points.length; i += 2) {
points.push([delaunay.points[i], delaunay.points[i + 1]]);
}
return points;
}
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
