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Fix for #1618

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Only shadow material + spotlamp-ray-shadow didn't clip for the spotbundle
correctly.
This commit is contained in:
Ton Roosendaal 2004-10-16 15:25:58 +00:00
parent a463798984
commit c79b3bb92c
1 changed files with 11 additions and 1 deletions
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12
source/blender/render/intern/source/rendercore.c
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@ -1939,7 +1939,17 @@ void shade_lamp_loop(ShadeInput *shi, ShadeResult *shr)
float shad[4];
/* single sided? */
if( vlr->n[0]*lv[0] + vlr->n[1]*lv[1] + vlr->n[2]*lv[2] > -0.01) {
inpr= vlr->n[0]*lv[0] + vlr->n[1]*lv[1] + vlr->n[2]*lv[2];
if(lar->type==LA_SPOT) {
float dot;
Normalise(lv);
dot= lv[0]*lar->vec[0]+lv[1]*lar->vec[1]+lv[2]*lar->vec[2];
if(dot<lar->spotsi) inpr= -1.0;
}
/* single sided? */
if( inpr > -0.01) {
ray_shadow(shi, lar, shad);
shadfac[3]+= shad[3];
ir+= 1.0;