diff options
author | Campbell Barton <ideasman42@gmail.com> | 2014-08-13 08:55:45 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2014-08-13 08:55:45 +0400 |
commit | ff42afb6c5284f1c224d0c6f73e8e86facc27ff4 (patch) | |
tree | 2a51b632e59deaf2693f1a9535ed888d1900e765 /source/blender | |
parent | 3529913629c83c27627d93a186bd5e7638dd839a (diff) |
Math Lib: rename barycentric_transform -> transform_point_by_tri_v3
also add transform_point_by_seg_v3
Diffstat (limited to 'source/blender')
-rw-r--r-- | source/blender/blenkernel/intern/mesh_evaluate.c | 9 | ||||
-rw-r--r-- | source/blender/blenlib/BLI_math_geom.h | 11 | ||||
-rw-r--r-- | source/blender/blenlib/intern/math_geom.c | 20 | ||||
-rw-r--r-- | source/blender/bmesh/operators/bmo_fill_grid.c | 4 | ||||
-rw-r--r-- | source/blender/bmesh/operators/bmo_subdivide_edgering.c | 4 | ||||
-rw-r--r-- | source/blender/python/mathutils/mathutils_geometry.c | 9 |
6 files changed, 38 insertions, 19 deletions
diff --git a/source/blender/blenkernel/intern/mesh_evaluate.c b/source/blender/blenkernel/intern/mesh_evaluate.c index d244dcc931f..4c9e44682c3 100644 --- a/source/blender/blenkernel/intern/mesh_evaluate.c +++ b/source/blender/blenkernel/intern/mesh_evaluate.c @@ -2231,11 +2231,10 @@ void BKE_mesh_calc_relative_deform( float tvec[3]; - barycentric_transform( - tvec, vert_cos_dst[v_curr], - vert_cos_org[v_prev], vert_cos_org[v_curr], vert_cos_org[v_next], - vert_cos_src[v_prev], vert_cos_src[v_curr], vert_cos_src[v_next] - ); + transform_point_by_tri_v3( + tvec, vert_cos_dst[v_curr], + vert_cos_org[v_prev], vert_cos_org[v_curr], vert_cos_org[v_next], + vert_cos_src[v_prev], vert_cos_src[v_curr], vert_cos_src[v_next]); add_v3_v3(vert_cos_new[v_curr], tvec); vert_accum[v_curr] += 1; diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h index 9962529e095..d3158ef7926 100644 --- a/source/blender/blenlib/BLI_math_geom.h +++ b/source/blender/blenlib/BLI_math_geom.h @@ -215,9 +215,14 @@ void interp_cubic_v3(float x[3], float v[3], int interp_sparse_array(float *array, const int list_size, const float invalid); -void barycentric_transform(float pt_tar[3], float const pt_src[3], - const float tri_tar_p1[3], const float tri_tar_p2[3], const float tri_tar_p3[3], - const float tri_src_p1[3], const float tri_src_p2[3], const float tri_src_p3[3]); +void transform_point_by_tri_v3( + float pt_tar[3], float const pt_src[3], + const float tri_tar_p1[3], const float tri_tar_p2[3], const float tri_tar_p3[3], + const float tri_src_p1[3], const float tri_src_p2[3], const float tri_src_p3[3]); +void transform_point_by_seg_v3( + float p_dst[3], const float p_src[3], + const float l_dst_p1[3], const float l_dst_p2[3], + const float l_src_p1[3], const float l_src_p2[3]); void barycentric_weights_v2(const float v1[2], const float v2[2], const float v3[2], const float co[2], float w[3]); diff --git a/source/blender/blenlib/intern/math_geom.c b/source/blender/blenlib/intern/math_geom.c index 3d4cea70551..6ca98e52909 100644 --- a/source/blender/blenlib/intern/math_geom.c +++ b/source/blender/blenlib/intern/math_geom.c @@ -2446,9 +2446,10 @@ void barycentric_weights_v2_quad(const float v1[2], const float v2[2], const flo /* given 2 triangles in 3D space, and a point in relation to the first triangle. * calculate the location of a point in relation to the second triangle. * Useful for finding relative positions with geometry */ -void barycentric_transform(float pt_tar[3], float const pt_src[3], - const float tri_tar_p1[3], const float tri_tar_p2[3], const float tri_tar_p3[3], - const float tri_src_p1[3], const float tri_src_p2[3], const float tri_src_p3[3]) +void transform_point_by_tri_v3( + float pt_tar[3], float const pt_src[3], + const float tri_tar_p1[3], const float tri_tar_p2[3], const float tri_tar_p3[3], + const float tri_src_p1[3], const float tri_src_p2[3], const float tri_src_p3[3]) { /* this works by moving the source triangle so its normal is pointing on the Z * axis where its barycentric weights can be calculated in 2D and its Z offset can @@ -2485,6 +2486,19 @@ void barycentric_transform(float pt_tar[3], float const pt_src[3], madd_v3_v3v3fl(pt_tar, pt_tar, no_tar, (z_ofs_src / area_src) * area_tar); } +/** + * Simply re-interpolates, + * assumes p_src is between \a l_src_p1-l_src_p2 + */ +void transform_point_by_seg_v3( + float p_dst[3], const float p_src[3], + const float l_dst_p1[3], const float l_dst_p2[3], + const float l_src_p1[3], const float l_src_p2[3]) +{ + float t = line_point_factor_v3(p_src, l_src_p1, l_src_p2); + interp_v3_v3v3(p_dst, l_dst_p1, l_dst_p2, t); +} + /* given an array with some invalid values this function interpolates valid values * replacing the invalid ones */ int interp_sparse_array(float *array, const int list_size, const float skipval) diff --git a/source/blender/bmesh/operators/bmo_fill_grid.c b/source/blender/bmesh/operators/bmo_fill_grid.c index 6a0fca425f8..40f6937245b 100644 --- a/source/blender/bmesh/operators/bmo_fill_grid.c +++ b/source/blender/bmesh/operators/bmo_fill_grid.c @@ -313,12 +313,12 @@ static void bm_grid_fill_array(BMesh *bm, BMVert **v_grid, const unsigned int xt if (use_interp_simple == false) { float co_a[3], co_b[3]; - barycentric_transform( + transform_point_by_tri_v3( co_a, v_grid[x]->co, tri_t[0], tri_t[1], tri_t[2], tri_a[0], tri_a[1], tri_a[2]); - barycentric_transform( + transform_point_by_tri_v3( co_b, v_grid[(xtot * ytot) + (x - xtot)]->co, tri_t[0], tri_t[1], tri_t[2], diff --git a/source/blender/bmesh/operators/bmo_subdivide_edgering.c b/source/blender/bmesh/operators/bmo_subdivide_edgering.c index 8bb4722ea07..c01ad10d716 100644 --- a/source/blender/bmesh/operators/bmo_subdivide_edgering.c +++ b/source/blender/bmesh/operators/bmo_subdivide_edgering.c @@ -727,8 +727,8 @@ static void bm_edgering_pair_interpolate(BMesh *bm, LoopPairStore *lpair, tri_tmp = tri_array[i]; - barycentric_transform(co_a, v_a->co, UNPACK3(tri_tmp), UNPACK3(tri_sta)); - barycentric_transform(co_b, v_b->co, UNPACK3(tri_tmp), UNPACK3(tri_end)); + transform_point_by_tri_v3(co_a, v_a->co, UNPACK3(tri_tmp), UNPACK3(tri_sta)); + transform_point_by_tri_v3(co_b, v_b->co, UNPACK3(tri_tmp), UNPACK3(tri_end)); interp_v3_v3v3(((BMVert *)v_iter->data)->co, co_a, co_b, (float)i / (float)(resolu - 1)); } diff --git a/source/blender/python/mathutils/mathutils_geometry.c b/source/blender/python/mathutils/mathutils_geometry.c index 2e2e03355c4..b4add0fc615 100644 --- a/source/blender/python/mathutils/mathutils_geometry.c +++ b/source/blender/python/mathutils/mathutils_geometry.c @@ -1114,7 +1114,7 @@ static PyObject *M_Geometry_barycentric_transform(PyObject *UNUSED(self), PyObje VectorObject *vec_t1_src, *vec_t2_src, *vec_t3_src; float vec[3]; - if (!PyArg_ParseTuple(args, "O!O!O!O!O!O!O!:barycentric_transform", + if (!PyArg_ParseTuple(args, "O!O!O!O!O!O!O!::barycentric_transform", &vector_Type, &vec_pt, &vector_Type, &vec_t1_src, &vector_Type, &vec_t2_src, @@ -1150,9 +1150,10 @@ static PyObject *M_Geometry_barycentric_transform(PyObject *UNUSED(self), PyObje return NULL; } - barycentric_transform(vec, vec_pt->vec, - vec_t1_tar->vec, vec_t2_tar->vec, vec_t3_tar->vec, - vec_t1_src->vec, vec_t2_src->vec, vec_t3_src->vec); + transform_point_by_tri_v3( + vec, vec_pt->vec, + vec_t1_tar->vec, vec_t2_tar->vec, vec_t3_tar->vec, + vec_t1_src->vec, vec_t2_src->vec, vec_t3_src->vec); return Vector_CreatePyObject(vec, 3, Py_NEW, NULL); } |