Clean up marble code

1 files changed, 2 insertions, 1 deletions

diff --git a/math.cginc b/math.cginc
index 5803be5..fa38553 100755
--- a/math.cginc
+++ b/math.cginc
@@ -166,7 +166,8 @@ float3 domain_warp_procedural(float3 uvw, float strength,
   float g = 1;
 
   for (uint ii = 0; ii < octaves; ++ii) {
-    noise += value_noise3(uvw + noise * strength) * g;
+    float3 vnoise = value_noise3(uvw + (noise * 2.0 - 1.0) * strength);
+    noise += vnoise * g;
     uvw *= lacunarity;
     g *= gain;
   }