diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2011-09-11 11:06:21 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2011-09-11 11:06:21 +0400 |
| commit | ee154197f2501e5134e7b7dcb323969d2b304e80 (patch) | |
| tree | 147ecf8cae78fd5a16583d2d74581cc116cdaaaf /source/blender | |
| parent | 5fdbfbaf3af05b78ed5b7376c63f310134c24b58 (diff) | |
fix for error in own commit r40108.
Diffstat (limited to 'source/blender')
| -rw-r--r-- | source/blender/render/intern/source/shadeoutput.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/source/blender/render/intern/source/shadeoutput.c b/source/blender/render/intern/source/shadeoutput.c index d1c0051ef1f..ab8a1934fde 100644 --- a/source/blender/render/intern/source/shadeoutput.c +++ b/source/blender/render/intern/source/shadeoutput.c @@ -1126,7 +1126,7 @@ float lamp_get_visibility(LampRen *lar, float *co, float *lv, float *dist) float visifac= 1.0f, t; sub_v3_v3v3(lv, co, lar->co); - *dist= len_v3v3(lv, lv); + *dist= sqrtf(dot_v3v3(lv, lv)); t= 1.0f/dist[0]; mul_v3_fl(lv, t); @@ -1179,7 +1179,7 @@ float lamp_get_visibility(LampRen *lar, float *co, float *lv, float *dist) float inpr; 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; /* rotate view to lampspace */ @@ -1314,8 +1314,8 @@ static void shade_one_light(LampRen *lar, ShadeInput *shi, ShadeResult *shr, int /* dot product and reflectivity */ /* 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) */ /* this complex construction screams for a nicer implementation! (ton) */ if(R.r.mode & R_SHADOW) { |