Add UV domain warping

1 files changed, 4 insertions, 1 deletions

diff --git a/math.cginc b/math.cginc
index 8edbc88..f3af30a 100644
--- a/math.cginc
+++ b/math.cginc
@@ -5,6 +5,7 @@
 

 #define PI 3.14159265358979323846264

 #define TAU (2 * PI)

+#define PHI 1.618033989

 

 float pow5(float x)

 {

@@ -65,12 +66,14 @@ float2 domainWarp1(float x, uint octaves, float strength, float scale)
 

 float2 domainWarp2(float2 uv, uint octaves, float strength, float scale)

 {

+  uv *= 0.001;

   [loop]

   for (uint i = 0; i < octaves; i++) {

     uv += strength * frac(sin(float2(

       dot(uv * scale, float2(12.9898, 78.233)),

-      dot(uv * scale + 1, float2(12.9898, 78.233))) * 43758.5453123));

+      dot(uv * scale, float2(36.7539, 50.3658))) * 43758.5453123));

   }

+  uv *= 1000;

   return uv;

 }