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Fix #28394: clouds texture error with high noise depth and blender original

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noise, patch from Campbell,
This commit is contained in:
Brecht Van Lommel 2011-09-05 16:25:42 +00:00
parent 59dbd53e72
commit 419042af55
1 changed files with 12 additions and 4 deletions
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16
source/blender/blenlib/intern/noise.c
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@ -263,13 +263,21 @@ static float newPerlinU(float x, float y, float z)
static float orgBlenderNoise(float x, float y, float z) static float orgBlenderNoise(float x, float y, float z)
{ {
register float cn1, cn2, cn3, cn4, cn5, cn6, i, *h; register float cn1, cn2, cn3, cn4, cn5, cn6, i, *h;
float ox, oy, oz, jx, jy, jz; float fx, fy, fz, ox, oy, oz, jx, jy, jz;
float n= 0.5; float n= 0.5;
int ix, iy, iz, b00, b01, b10, b11, b20, b21; int ix, iy, iz, b00, b01, b10, b11, b20, b21;
ox= (x- (ix= (int)floor(x)) ); fx= floor(x);
oy= (y- (iy= (int)floor(y)) ); fy= floor(y);
oz= (z- (iz= (int)floor(z)) ); fz= floor(z);
ox= x- fx;
oy= y- fy;
oz= z- fz;
ix= (int)fx;
iy= (int)fy;
iz= (int)fz;
jx= ox-1; jx= ox-1;
jy= oy-1; jy= oy-1;