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Bug in 3D classic noise (mod289 vec4 -> vec3)

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stegu 2011-10-11 15:37:25 +02:00
parent d90a6f4e95
commit 4e01aac75b
1 changed files with 5 additions and 0 deletions
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5
src/classicnoise3D.glsl
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@ -17,6 +17,11 @@ vec3 mod289(vec3 x)
return x - floor(x * (1.0 / 289.0)) * 289.0; return x - floor(x * (1.0 / 289.0)) * 289.0;
} }
vec4 mod289(vec4 x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 permute(vec4 x) vec4 permute(vec4 x)
{ {
return mod289(((x*34.0)+1.0)*x); return mod289(((x*34.0)+1.0)*x);