{
const ctx = DOM.context2d(width,height,1);
ctx.clearRect(0, 0, width, height);
ctx.fillStyle = "#2e2e2e"
ctx.fillRect(0,0, width, height);
for (let x = 0; x < width * 2; x = x + 31) {
for (let y = 0; y < height * 1.6; y = y + 31) {
let t = noise2D(x, y);
ctx.strokeStyle = color(noise3D(x,y,now/18)*1000);
ctx.beginPath()
let [y1, x1] = [x, y + 5 * noise3D(x,y,now/8)]
ctx.rect(x1, y1, x + 5, y + 5)
ctx.stroke()
}
}
yield ctx.canvas
}
noise2D = {
const simplex = new (await require("simplex-noise@2"))(seed);
return (x,y,) => simplex.noise2D.bind(simplex)(x/noiseScale, y/noiseScale)
}
noise3D = {
const simplex = new (await require("simplex-noise@2"))(seed);
return (x,y,z) => simplex.noise3D.bind(simplex)(x/noiseScale, y/noiseScale, z/noiseScale);
}
height = 400
seed = 2
noiseScale = 500
d3 = require("d3@5")
color = (x,y) => d3.hcl(x/width * 360, 80, 100).hex()
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
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Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.