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check for divide by zero for dynamic paint modifier.

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Campbell Barton
2013-02-11 15:43:09 +00:00
parent 5da828317a
commit a867fbf026
1 changed files with 4 additions and 2 deletions
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6
source/blender/blenkernel/intern/dynamicpaint.c
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@@ -2379,7 +2379,8 @@ int dynamicPaint_createUVSurface(DynamicPaintSurface *surface)
dot11 = d2[0] * d2[0] + d2[1] * d2[1];
dot12 = d2[0] * d3[0] + d2[1] * d3[1];
invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
invDenom = (dot00 * dot11 - dot01 * dot01);
invDenom = invDenom ? 1.0f / invDenom : 1.0f;
u = (dot11 * dot02 - dot01 * dot12) * invDenom;
v = (dot00 * dot12 - dot01 * dot02) * invDenom;
@@ -2399,7 +2400,8 @@ int dynamicPaint_createUVSurface(DynamicPaintSurface *surface)
dot11 = d2[0] * d2[0] + d2[1] * d2[1];
dot12 = d2[0] * d3[0] + d2[1] * d3[1];
invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
invDenom = (dot00 * dot11 - dot01 * dot01);
invDenom = invDenom ? 1.0f / invDenom : 1.0f;
u = (dot11 * dot02 - dot01 * dot12) * invDenom;
v = (dot00 * dot12 - dot01 * dot02) * invDenom;