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Simplex

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README.md

Simplex noise

const n = tooloud.Simplex.noise(x, y, z);
data[index + 0] = Math.floor(255 * n);
data[index + 1] = Math.floor(255 * n);
data[index + 2] = Math.floor(255 * n);
data[index + 3] = 255;

const n = (1 + tooloud.Simplex.noise(x, y, z)) / 2;
data[index + 0] = Math.floor(255 * n);
data[index + 1] = Math.floor(255 * n);
data[index + 2] = Math.floor(255 * n);
data[index + 3] = 255;

const n = Math.cos(tooloud.Simplex.noise(i/45, j/120, z) * 50);
data[index + 0] = Math.floor(255 * n);
data[index + 1] = Math.floor(255 * n);
data[index + 2] = Math.floor(255 * n);
data[index + 3] = 255;

const dist = (Math.pow(i - (canvasWidth / 2), 2) + Math.pow(j - (canvasHeight / 2), 2)) / 1000;
const n = (1 + tooloud.Simplex.noise(i/5, j/5, 0.8)) / 2;
const d = dist * Math.round(255 * n);
data[index + 0] = 255 - d;
data[index + 1] = -d;
data[index + 2] = 0;
data[index + 3] = 255;