diff options
Diffstat (limited to 'source/blender/blenlib/intern/noise.c')
| -rw-r--r-- | source/blender/blenlib/intern/noise.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/noise.c b/source/blender/blenlib/intern/noise.c index f834c5b4c74..83012694ac0 100644 --- a/source/blender/blenlib/intern/noise.c +++ b/source/blender/blenlib/intern/noise.c @@ -1394,6 +1394,11 @@ static float voronoi_CrS(float x, float y, float z) /* returns unsigned cellnoise */ static float cellNoiseU(float x, float y, float z) { + /* avoid precision issues on unit coordinates */ + x = (x + 0.000001f) * 1.00001f; + y = (y + 0.000001f) * 1.00001f; + z = (z + 0.000001f) * 1.00001f; + int xi = (int)(floor(x)); int yi = (int)(floor(y)); int zi = (int)(floor(z)); @@ -1411,6 +1416,11 @@ float cellNoise(float x, float y, float z) /* returns a vector/point/color in ca, using point hasharray directly */ void cellNoiseV(float x, float y, float z, float ca[3]) { + /* avoid precision issues on unit coordinates */ + x = (x + 0.000001f) * 1.00001f; + y = (y + 0.000001f) * 1.00001f; + z = (z + 0.000001f) * 1.00001f; + int xi = (int)(floor(x)); int yi = (int)(floor(y)); int zi = (int)(floor(z)); |