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| author | Alexander Romanov <a.romanov@blend4web.com> | 2017-07-03 19:49:35 +0300 |
|---|---|---|
| committer | Alexander Romanov <a.romanov@blend4web.com> | 2017-07-03 19:53:00 +0300 |
| commit | e1482841dd5dd55cb453d37d115ec80f44c02316 (patch) | |
| tree | 63cee90e2ab7b4316b4e36ffeb181700e99d6aab /source/blender/blenlib | |
| parent | 1ad0cc6bde4746949eee7a9babb97178a05816c3 (diff) | |
| parent | 1fb30758034c2f83862bb7fc5f30a1a4d7b4510b (diff) | |
Merge branch 'master' into blender2.8
Diffstat (limited to 'source/blender/blenlib')
| -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..347640aae0d 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)*0.999999f; + y = (y + 0.000001f)*0.999999f; + z = (z + 0.000001f)*0.999999f; + 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)*0.999999f; + y = (y + 0.000001f)*0.999999f; + z = (z + 0.000001f)*0.999999f; + int xi = (int)(floor(x)); int yi = (int)(floor(y)); int zi = (int)(floor(z)); |