Start new eye shader, add UV mirror flipping

Also tune rand3() to behave better on rorschach demo.

1 files changed, 1 insertions, 1 deletions

diff --git a/math.cginc b/math.cginc
index 59e6fa0..cf753ac 100644
--- a/math.cginc
+++ b/math.cginc
@@ -59,7 +59,7 @@ float rand2(float2 p)
 // Generate a random number on [0, 1].
 float rand3(float3 p)
 {
-  return glsl_mod(sin(dot(p, float3(897.0, 367.0, 197.0))) * 1073.6, 1.0);
+  return glsl_mod(sin(dot(p, float3(151.0, 157.0, 163.0))) * 997.0, 1.0);
 }
 
 float length2(float2 p)