Geometry Nodes: Add Voronoi Texture

Port shader Voronoi to GN

Reviewed By: JacquesLucke

Differential Revision: https://developer.blender.org/D12725

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/blenlib/intern/math_base_inline.c b/source/blender/blenlib/intern/math_base_inline.c
index 49f9faf1704..f609d5f8e8b 100644
--- a/source/blender/blenlib/intern/math_base_inline.c
+++ b/source/blender/blenlib/intern/math_base_inline.c
@@ -511,6 +511,22 @@ MINLINE float smoothminf(float a, float b, float c)
   }
 }
 
+MINLINE float smoothstep(float edge0, float edge1, float x)
+{
+  float result;
+  if (x < edge0) {
+    result = 0.0f;
+  }
+  else if (x >= edge1) {
+    result = 1.0f;
+  }
+  else {
+    float t = (x - edge0) / (edge1 - edge0);
+    result = (3.0f - 2.0f * t) * (t * t);
+  }
+  return result;
+}
+
 MINLINE double min_dd(double a, double b)
 {
   return (a < b) ? a : b;