🧪 Indie software researcher & developer
👾 React game developer
Published
Edited
Apr 1, 2021
1 fork
function frag1(x, y) {
let n = 0;
for (let i = -2; i < 2; i++) {
const noiseScale = Math.exp(i * 2);
n += simplexNoise.noise3D(x * noiseScale, y * noiseScale, i);
}
return greyShade(n / 2 + 0.5);
}
function saturate(x) {
return Math.max(0, Math.min(1, x));
}
function hue(h) {
const r = Math.abs(h * 6 - 3) - 1;
const g = 2 - Math.abs(h * 6 - 2);
const b = 2 - Math.abs(h * 6 - 4);
return [saturate(r), saturate(g), saturate(b)];
}
base = 1.5
e0 = Math.log(distance / zoomTransform.k) / Math.log(base) - 1;
e1s = {
const a = {};
for (let i = -14; i <= 17; i++) {
a[i] = Math.floor(e0) + i;
}
return a;
}
len1s = {
const a = {};
for (let i = -14; i <= 17; i++) {
a[i] = Math.pow(base, e1s[i]);
}
return a;
}
ampl1s = {
const a = {};
for (let i = -14; i <= 17; i++) {
const e1 = e1s[i];
const de = e1 - e0;
a[i] = Math.exp(-de*de / (110));
}
return a;
}
distance = 550;
function shallowCompare(newObj, prevObj) {
for (const key in newObj) {
if (newObj[key] !== prevObj[key]) return true;
}
return false;
}
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