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Bugfix #4066

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Particle strands with a width set (like 10 pixels), and with extreme
bending of strands (like a very course subdivision), could create non-flat
quads. For speed reasons, the quad-to-triangle splitting was turned off
for hair, but in this case that should be done nevertheless.

Solves another Dandruff issue for furry bunnies!
This commit is contained in:
Ton Roosendaal
2006-04-08 13:50:15 +00:00
parent 67be335566
commit 0ee101f9ad
1 changed files with 10 additions and 4 deletions
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14
source/blender/render/intern/source/convertblender.c
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@@ -992,7 +992,7 @@ static void static_particle_strand(Render *re, Object *ob, Material *ma, float *
{
static VertRen *v1= NULL, *v2= NULL;
VlakRen *vlr;
float nor[3], cross[3], w, dx, dy;
float nor[3], cross[3], w, dx, dy, width;
int flag;
VecSubf(nor, vec, vec1);
@@ -1014,13 +1014,19 @@ static void static_particle_strand(Render *re, Object *ob, Material *ma, float *
}
else fac= ctime;
VecMulf(cross, ((1.0f-fac)*ma->strand_sta + (fac)*ma->strand_end)/w);
width= ((1.0f-fac)*ma->strand_sta + (fac)*ma->strand_end)/w;
VecMulf(cross, width);
}
else width= 1.0f;
if(ma->mode & MA_TANGENT_STR)
flag= R_SMOOTH|R_NOPUNOFLIP|R_STRAND|R_TANGENT;
flag= R_SMOOTH|R_NOPUNOFLIP|R_TANGENT;
else
flag= R_SMOOTH|R_STRAND;
flag= R_SMOOTH;
/* only 1 pixel wide strands filled in as quads now, otherwise zbuf errors */
if(width==1.0f)
flag |= R_STRAND;
/* first two vertices */
if(first) {