Improve naming in voronoi function

1 files changed, 4 insertions, 4 deletions

diff --git a/math.cginc b/math.cginc
index ee70495..b79d9b6 100755
--- a/math.cginc
+++ b/math.cginc
@@ -215,8 +215,8 @@ float3 domain_warp_3d_tex(Texture3D noise_tex, SamplerState s, float3 uvw,
 
 // Return distance to the nearest cell edge in a Voronoi pattern.
 float voronoi_edge_distance(float3 x) {
-  float3 p = floor(x);
-  float3 f = frac(x);
+  float3 x_floor = floor(x);
+  float3 x_frac = frac(x);
   float d1 = 1e6;
   float d2 = 1e6;
   float3 p1 = 0;
@@ -225,8 +225,8 @@ float voronoi_edge_distance(float3 x) {
   for (int k = -1; k <= 1; k++) {
     for (int j = -1; j <= 1; j++) {
       for (int i = -1; i <= 1; i++) {
-        float3 b = float3(i, j, k);
-        float3 r = b + hash33_fast(p + b) - f;
+        float3 cell_offset = float3(i, j, k);
+        float3 r = cell_offset + hash33_fast(x_floor + cell_offset) - x_frac;
         float d = dot(r, r);
         if (d < d1) {
           d2 = d1;