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less crazy twinkling

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This commit is contained in:
minjaesong
2023-08-03 00:29:27 +09:00
parent 78bd88858b
commit f7e4987785
2 changed files with 12 additions and 8 deletions
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8
src/shaders/blendSkyboxStars.frag
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@@ -84,10 +84,10 @@ float snoise(vec2 v)
vec4 snoise4(vec2 v) {
return vec4(
snoise(v + randomNumber.xy),
snoise(v + randomNumber.zw),
snoise(v + randomNumber.xz),
snoise(v + randomNumber.yw)
(snoise(v + randomNumber.xy) + snoise(v + randomNumber.zx)) * 0.5,
(snoise(v + randomNumber.zw) + snoise(v + randomNumber.yw)) * 0.5,
(snoise(v + randomNumber.xz) + snoise(v + randomNumber.yx)) * 0.5,
(snoise(v + randomNumber.yw) + snoise(v + randomNumber.wz)) * 0.5 // triangular distribution
);
}