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🔧 Use alternative noise

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This commit is contained in:
Simon Schneegans
2022-01-15 12:42:57 +01:00
parent c478a0f6c6
commit b6fc32ee0d
5 changed files with 200 additions and 76 deletions
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src/TRexEffect.js
+5 -5
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@@ -159,7 +159,7 @@ if (utils.isInShellProcess()) {
vec2 getClawUV(vec2 texCoords, float gridScale, vec2 seed) {
// Shift coordinates by a random offset and make sure the have a 1:1 aspect ratio.
vec2 coords = texCoords + hash2D(seed);
vec2 coords = texCoords + hash22(seed);
coords *= uSizeX < uSizeY ? vec2(1.0, 1.0 * uSizeY / uSizeX) : vec2(1.0 * uSizeX / uSizeY, 1.0);
// Apply global scale.
@@ -172,10 +172,10 @@ if (utils.isInShellProcess()) {
vec2 cellID = coords-cellUV + vec2(362.456);
// Add random rotation, scale and offset to each grid cell.
float scale = mix(0.8, 1.0, hash(cellID*seed*134.451));
float offsetX = mix(0.0, 1.0 - scale, hash(cellID*seed*54.4129));
float offsetY = mix(0.0, 1.0 - scale, hash(cellID*seed*25.3089));
float rotation = mix(0.0, 2.0 * 3.141, hash(cellID*seed*2.99837));
float scale = mix(0.8, 1.0, hash12(cellID*seed*134.451));
float offsetX = mix(0.0, 1.0 - scale, hash12(cellID*seed*54.4129));
float offsetY = mix(0.0, 1.0 - scale, hash12(cellID*seed*25.3089));
float rotation = mix(0.0, 2.0 * 3.141, hash12(cellID*seed*2.99837));
cellUV -= vec2(offsetX, offsetY);
cellUV /= scale;