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

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