diff options
author | Campbell Barton <ideasman42@gmail.com> | 2014-04-15 18:27:35 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2014-04-15 18:29:57 +0400 |
commit | 28a829893c702918afc5ac1945a06eaefa611594 (patch) | |
tree | 5309a52f0a4cddea13de3fc435669f234a6c99c0 /source/blender/blenkernel/intern/mesh_evaluate.c | |
parent | e4c2a3c31cf262fcf5d3577552e66b1c5e63218f (diff) |
Math Lib: avoid having to pass a pre-calculated normal tot area_poly_v3
add normal_poly_v3
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_evaluate.c')
-rw-r--r-- | source/blender/blenkernel/intern/mesh_evaluate.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/source/blender/blenkernel/intern/mesh_evaluate.c b/source/blender/blenkernel/intern/mesh_evaluate.c index edd0a8540e3..fe37b9222b6 100644 --- a/source/blender/blenkernel/intern/mesh_evaluate.c +++ b/source/blender/blenkernel/intern/mesh_evaluate.c @@ -872,7 +872,7 @@ void BKE_mesh_calc_poly_center(MPoly *mpoly, MLoop *loopstart, /* note, passing polynormal is only a speedup so we can skip calculating it */ float BKE_mesh_calc_poly_area(MPoly *mpoly, MLoop *loopstart, - MVert *mvarray, const float polynormal[3]) + MVert *mvarray) { if (mpoly->totloop == 3) { return area_tri_v3(mvarray[loopstart[0].v].co, @@ -890,22 +890,16 @@ float BKE_mesh_calc_poly_area(MPoly *mpoly, MLoop *loopstart, else { int i; MLoop *l_iter = loopstart; - float area, polynorm_local[3]; + float area; float (*vertexcos)[3] = BLI_array_alloca(vertexcos, (size_t)mpoly->totloop); - const float *no = polynormal ? polynormal : polynorm_local; /* pack vertex cos into an array for area_poly_v3 */ for (i = 0; i < mpoly->totloop; i++, l_iter++) { copy_v3_v3(vertexcos[i], mvarray[l_iter->v].co); } - /* need normal for area_poly_v3 as well */ - if (polynormal == NULL) { - BKE_mesh_calc_poly_normal(mpoly, loopstart, mvarray, polynorm_local); - } - /* finally calculate the area */ - area = area_poly_v3((const float (*)[3])vertexcos, (unsigned int)mpoly->totloop, no); + area = area_poly_v3((const float (*)[3])vertexcos, (unsigned int)mpoly->totloop); return area; } |