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Fix for bug #11163: strand render without tangent shading didn't

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give correct results.
This commit is contained in:
Brecht Van Lommel
2008-09-22 19:37:30 +00:00
parent 4e731c5ab5
commit eef475ac7e
1 changed files with 12 additions and 3 deletions
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15
source/blender/render/intern/source/shadeinput.c
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@@ -343,10 +343,19 @@ void shade_input_set_strand(ShadeInput *shi, StrandRen *strand, StrandPoint *spo
VECCOPY(shi->orignor, shi->facenor);
/* shade_input_set_normals equivalent */
if(shi->mat->mode & MA_TANGENT_STR)
if(shi->mat->mode & MA_TANGENT_STR) {
VECCOPY(shi->vn, spoint->tan)
else
VECCOPY(shi->vn, spoint->nor)
}
else {
float cross[3];
Crossf(cross, spoint->co, spoint->tan);
Crossf(shi->vn, cross, spoint->tan);
Normalize(shi->vn);
if(INPR(shi->vn, shi->view) < 0.0f)
VecMulf(shi->vn, -1.0f);
}
VECCOPY(shi->vno, shi->vn);
}