diff options
Diffstat (limited to 'source/blender/blenlib/intern/noise.c')
| -rw-r--r-- | source/blender/blenlib/intern/noise.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/source/blender/blenlib/intern/noise.c b/source/blender/blenlib/intern/noise.c index d6b8582ef26..141e5438bc9 100644 --- a/source/blender/blenlib/intern/noise.c +++ b/source/blender/blenlib/intern/noise.c @@ -199,8 +199,15 @@ float hashvectf[768]= { /* IMPROVED PERLIN NOISE */ /**************************/ -#define lerp(t, a, b) ((a)+(t)*((b)-(a))) -#define npfade(t) ((t)*(t)*(t)*((t)*((t)*6-15)+10)) +static float lerp(float t, float a, float b) +{ + return (a+t*(b-a)); +} + +static float npfade(float t) +{ + return (t*t*t*(t*(t*6.0f-15.0f)+10.0f)); +} static float grad(int hash, float x, float y, float z) { |