diff options
Diffstat (limited to 'source/blender/bmesh/intern/bmesh_query.c')
| -rw-r--r-- | source/blender/bmesh/intern/bmesh_query.c | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/source/blender/bmesh/intern/bmesh_query.c b/source/blender/bmesh/intern/bmesh_query.c index 540888ac0b9..e1f16508b8b 100644 --- a/source/blender/bmesh/intern/bmesh_query.c +++ b/source/blender/bmesh/intern/bmesh_query.c @@ -792,7 +792,7 @@ bool BM_vert_edge_pair(BMVert *v, BMEdge **r_e_a, BMEdge **r_e_b) } /** - * Returns the number of edges around this vertex. + * Returns the number of edges around this vertex. */ int BM_vert_edge_count(const BMVert *v) { @@ -817,7 +817,7 @@ int BM_vert_edge_count_nonwire(const BMVert *v) return count; } /** - * Returns the number of faces around this edge + * Returns the number of faces around this edge */ int BM_edge_face_count(const BMEdge *e) { @@ -1311,7 +1311,7 @@ bool BM_edge_share_face_check(BMEdge *e1, BMEdge *e2) } /** - * Test if e1 shares any quad faces with e2 + * Test if e1 shares any quad faces with e2 */ bool BM_edge_share_quad_check(BMEdge *e1, BMEdge *e2) { @@ -1334,7 +1334,7 @@ bool BM_edge_share_quad_check(BMEdge *e1, BMEdge *e2) } /** - * Tests to see if e1 shares a vertex with e2 + * Tests to see if e1 shares a vertex with e2 */ bool BM_edge_share_vert_check(BMEdge *e1, BMEdge *e2) { @@ -1345,7 +1345,7 @@ bool BM_edge_share_vert_check(BMEdge *e1, BMEdge *e2) } /** - * Return the shared vertex between the two edges or NULL + * Return the shared vertex between the two edges or NULL */ BMVert *BM_edge_share_vert(BMEdge *e1, BMEdge *e2) { @@ -1678,6 +1678,40 @@ float BM_edge_calc_face_angle(const BMEdge *e) } /** +* \brief BMESH EDGE/FACE ANGLE +* +* Calculates the angle between two faces in world space. +* Assumes the face normals are correct. +* +* \return angle in radians +*/ +float BM_edge_calc_face_angle_with_imat3_ex(const BMEdge *e, float imat3[3][3], const float fallback) +{ + if (BM_edge_is_manifold(e)) { + const BMLoop *l1 = e->l; + const BMLoop *l2 = e->l->radial_next; + float no1[3], no2[3]; + copy_v3_v3(no1, l1->f->no); + copy_v3_v3(no2, l2->f->no); + + mul_transposed_m3_v3(imat3, no1); + mul_transposed_m3_v3(imat3, no2); + + normalize_v3(no1); + normalize_v3(no2); + + return angle_normalized_v3v3(no1, no2); + } + else { + return fallback; + } +} +float BM_edge_calc_face_angle_with_imat3(const BMEdge *e, float imat3[3][3]) +{ + return BM_edge_calc_face_angle_with_imat3_ex(e, imat3, DEG2RADF(90.0f)); +} + +/** * \brief BMESH EDGE/FACE ANGLE * * Calculates the angle between two faces. |