ashima/webgl-noise
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fixed scaling bug intro'ed by fixing a scaling bug

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ijm 2011-03-23 03:38:32 -07:00
parent dcedd5047d
commit e02650cd13
1 changed files with 1 additions and 1 deletions
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noise.glsl
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@ -262,7 +262,7 @@ float simplexNoise4(vec4 v)
+ i.x + vec4(i1.x, i2.x, i3.x, 1. ), pParam.xyz); + i.x + vec4(i1.x, i2.x, i3.x, 1. ), pParam.xyz);
// Gradients // Gradients
// ( N*N*N points uniformly over a cube, mapped onto a 4-octohedron.) // ( N*N*N points uniformly over a cube, mapped onto a 4-octohedron.)
vec4 ip = pParam ; vec4 ip = vec4(pParam.w) ;
ip.xy *= pParam.w ; ip.xy *= pParam.w ;
ip.x *= pParam.w ; ip.x *= pParam.w ;
ip = vec4(1.,1.,1.,2.) / ip ; ip = vec4(1.,1.,1.,2.) / ip ;