diff options
author | Campbell Barton <ideasman42@gmail.com> | 2009-12-15 12:39:46 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2009-12-15 12:39:46 +0300 |
commit | 7fc799d4a9c52254390e5df2942c73831ca7e5ac (patch) | |
tree | c265c60e3cff3913d280f6229b9eae01cc91e44b /source/blender/editors/mesh/editmesh_lib.c | |
parent | 55898c04fd4935de5610242bfb259f30e58b0413 (diff) |
utility functions for getting the corner angles of a quad or tri: angle_quad_v3 & angle_tri_v3
Diffstat (limited to 'source/blender/editors/mesh/editmesh_lib.c')
-rw-r--r-- | source/blender/editors/mesh/editmesh_lib.c | 50 |
1 files changed, 9 insertions, 41 deletions
diff --git a/source/blender/editors/mesh/editmesh_lib.c b/source/blender/editors/mesh/editmesh_lib.c index c543c3287a0..52af5ce8e2f 100644 --- a/source/blender/editors/mesh/editmesh_lib.c +++ b/source/blender/editors/mesh/editmesh_lib.c @@ -2388,45 +2388,6 @@ void EM_make_hq_normals(EditMesh *em) EM_free_index_arrays(); } -#define FLT_EPSILON 0.00001 - -static void em_face_angles(EditFace *efa, float *face_angles) -{ - float vec1[3], vec2[3], vec3[3], vec4[3]; - - /* note, could cache normalized edges? */ - if(efa->v4) { - sub_v3_v3v3(vec1, efa->v4->co, efa->v1->co); - sub_v3_v3v3(vec2, efa->v1->co, efa->v2->co); - sub_v3_v3v3(vec3, efa->v2->co, efa->v3->co); - sub_v3_v3v3(vec4, efa->v3->co, efa->v4->co); - - normalize_v3(vec1); - normalize_v3(vec2); - normalize_v3(vec3); - normalize_v3(vec4); - - face_angles[0]= M_PI - angle_normalized_v3v3(vec1, vec2); - face_angles[1]= M_PI - angle_normalized_v3v3(vec2, vec3); - face_angles[2]= M_PI - angle_normalized_v3v3(vec3, vec4); - face_angles[3]= M_PI - angle_normalized_v3v3(vec4, vec1); - } - else { - sub_v3_v3v3(vec1, efa->v3->co, efa->v1->co); - sub_v3_v3v3(vec2, efa->v1->co, efa->v2->co); - sub_v3_v3v3(vec3, efa->v2->co, efa->v3->co); - - normalize_v3(vec1); - normalize_v3(vec2); - normalize_v3(vec3); - - face_angles[0]= M_PI - angle_normalized_v3v3(vec1, vec2); - face_angles[1]= M_PI - angle_normalized_v3v3(vec2, vec3); - - //face_angles[2]= M_PI - (face_angles[0] + face_angles[1]); - face_angles[2] = M_PI - angle_normalized_v3v3(vec3, vec1); - } -} void EM_solidify(EditMesh *em, float dist) { EditFace *efa; @@ -2446,9 +2407,16 @@ void EM_solidify(EditMesh *em, float dist) if(!(efa->f & SELECT)) continue; - em_face_angles(efa, face_angles); + if(efa->v4) { + angle_quad_v3(face_angles, efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co); + j= 3; + } + else { + angle_tri_v3(face_angles, efa->v1->co, efa->v2->co, efa->v3->co); + j= 2; + } - for(j= efa->v4 ? 3:2; j>=0; j--) { + for(; j>=0; j--) { eve= *(&efa->v1 + j); vert_accum[eve->tmp.l] += face_angles[j]; vert_angles[eve->tmp.l]+= shell_angle_to_dist(angle_normalized_v3v3(eve->no, efa->n)) * face_angles[j]; |