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fix for own error in normal-recalc r58077, initial face flipping wasn't checking against face-island center.

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This commit is contained in:
Campbell Barton 2013-07-09 01:18:15 +00:00
parent 14ab39c5e0
commit bd5cb6fb3b
1 changed files with 3 additions and 2 deletions
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5
source/blender/bmesh/operators/bmo_normals.c
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@ -56,7 +56,7 @@ static bool bmo_recalc_normal_edge_filter_cb(BMEdge *e, void *UNUSED(user_data))
*/
static void bmo_recalc_face_normals_array(BMesh *bm, BMFace **faces, const int faces_len, const short oflag)
{
float cent[3];
float cent[3], tvec[3];
float (*faces_center)[3] = MEM_mallocN(sizeof(*faces_center) * faces_len, __func__);
const float cent_fac = 1.0f / (float)faces_len;
int i, f_start_index;
@ -91,7 +91,8 @@ static void bmo_recalc_face_normals_array(BMesh *bm, BMFace **faces, const int f
}
/* make sure the starting face has the correct winding */
if (dot_v3v3(faces_center[f_start_index], faces[f_start_index]->no) < 0.0f) {
sub_v3_v3v3(tvec, faces_center[f_start_index], cent);
if (dot_v3v3(tvec, faces[f_start_index]->no) < 0.0f) {
BMO_elem_flag_enable(bm, faces[f_start_index], FACE_FLIP);
}