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fix for error in own commit r40108.

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Campbell Barton 2011-09-11 07:06:21 +00:00
parent 5fdbfbaf3a
commit ee154197f2
1 changed files with 4 additions and 4 deletions
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8
source/blender/render/intern/source/shadeoutput.c
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@ -1126,7 +1126,7 @@ float lamp_get_visibility(LampRen *lar, float *co, float *lv, float *dist)
float visifac= 1.0f, t; float visifac= 1.0f, t;
sub_v3_v3v3(lv, co, lar->co); sub_v3_v3v3(lv, co, lar->co);
*dist= len_v3v3(lv, lv); *dist= sqrtf(dot_v3v3(lv, lv));
t= 1.0f/dist[0]; t= 1.0f/dist[0];
mul_v3_fl(lv, t); mul_v3_fl(lv, t);
@ -1179,7 +1179,7 @@ float lamp_get_visibility(LampRen *lar, float *co, float *lv, float *dist)
float inpr; float inpr;
if(lar->mode & LA_SQUARE) { if(lar->mode & LA_SQUARE) {
if(lv[0]*lar->vec[0]+lv[1]*lar->vec[1]+lv[2]*lar->vec[2]>0.0f) { if(dot_v3v3(lv, lar->vec) > 0.0f) {
float lvrot[3], x; float lvrot[3], x;
/* rotate view to lampspace */ /* rotate view to lampspace */
@ -1314,8 +1314,8 @@ static void shade_one_light(LampRen *lar, ShadeInput *shi, ShadeResult *shr, int
/* dot product and reflectivity */ /* dot product and reflectivity */
/* inp = dotproduct, is = shader result, i = lamp energy (with shadow), i_noshad = i without shadow */ /* inp = dotproduct, is = shader result, i = lamp energy (with shadow), i_noshad = i without shadow */
inp= vn[0]*lv[0] + vn[1]*lv[1] + vn[2]*lv[2]; inp= dot_v3v3(vn, lv);
/* phong threshold to prevent backfacing faces having artefacts on ray shadow (terminator problem) */ /* phong threshold to prevent backfacing faces having artefacts on ray shadow (terminator problem) */
/* this complex construction screams for a nicer implementation! (ton) */ /* this complex construction screams for a nicer implementation! (ton) */
if(R.r.mode & R_SHADOW) { if(R.r.mode & R_SHADOW) {