diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_sample.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_sample.cc | 58 |
1 files changed, 35 insertions, 23 deletions
diff --git a/source/blender/blenkernel/intern/mesh_sample.cc b/source/blender/blenkernel/intern/mesh_sample.cc index e54f2e6d687..f37246ced94 100644 --- a/source/blender/blenkernel/intern/mesh_sample.cc +++ b/source/blender/blenkernel/intern/mesh_sample.cc @@ -2,6 +2,7 @@ #include "BKE_attribute_math.hh" #include "BKE_bvhutils.h" +#include "BKE_mesh.h" #include "BKE_mesh_runtime.h" #include "BKE_mesh_sample.hh" @@ -20,6 +21,7 @@ BLI_NOINLINE static void sample_point_attribute(const Mesh &mesh, const IndexMask mask, const MutableSpan<T> dst) { + const Span<MLoop> loops = mesh.loops(); const Span<MLoopTri> looptris{BKE_mesh_runtime_looptri_ensure(&mesh), BKE_mesh_runtime_looptri_len(&mesh)}; @@ -28,9 +30,9 @@ BLI_NOINLINE static void sample_point_attribute(const Mesh &mesh, const MLoopTri &looptri = looptris[looptri_index]; const float3 &bary_coord = bary_coords[i]; - const int v0_index = mesh.mloop[looptri.tri[0]].v; - const int v1_index = mesh.mloop[looptri.tri[1]].v; - const int v2_index = mesh.mloop[looptri.tri[2]].v; + const int v0_index = loops[looptri.tri[0]].v; + const int v1_index = loops[looptri.tri[1]].v; + const int v2_index = loops[looptri.tri[2]].v; const T v0 = src[v0_index]; const T v1 = src[v1_index]; @@ -157,6 +159,8 @@ Span<float3> MeshAttributeInterpolator::ensure_barycentric_coords() } bary_coords_.reinitialize(mask_.min_array_size()); + const Span<MVert> verts = mesh_->vertices(); + const Span<MLoop> loops = mesh_->loops(); const Span<MLoopTri> looptris{BKE_mesh_runtime_looptri_ensure(mesh_), BKE_mesh_runtime_looptri_len(mesh_)}; @@ -164,14 +168,14 @@ Span<float3> MeshAttributeInterpolator::ensure_barycentric_coords() const int looptri_index = looptri_indices_[i]; const MLoopTri &looptri = looptris[looptri_index]; - const int v0_index = mesh_->mloop[looptri.tri[0]].v; - const int v1_index = mesh_->mloop[looptri.tri[1]].v; - const int v2_index = mesh_->mloop[looptri.tri[2]].v; + const int v0_index = loops[looptri.tri[0]].v; + const int v1_index = loops[looptri.tri[1]].v; + const int v2_index = loops[looptri.tri[2]].v; interp_weights_tri_v3(bary_coords_[i], - mesh_->mvert[v0_index].co, - mesh_->mvert[v1_index].co, - mesh_->mvert[v2_index].co, + verts[v0_index].co, + verts[v1_index].co, + verts[v2_index].co, positions_[i]); } return bary_coords_; @@ -185,6 +189,8 @@ Span<float3> MeshAttributeInterpolator::ensure_nearest_weights() } nearest_weights_.reinitialize(mask_.min_array_size()); + const Span<MVert> verts = mesh_->vertices(); + const Span<MLoop> loops = mesh_->loops(); const Span<MLoopTri> looptris{BKE_mesh_runtime_looptri_ensure(mesh_), BKE_mesh_runtime_looptri_len(mesh_)}; @@ -192,13 +198,13 @@ Span<float3> MeshAttributeInterpolator::ensure_nearest_weights() const int looptri_index = looptri_indices_[i]; const MLoopTri &looptri = looptris[looptri_index]; - const int v0_index = mesh_->mloop[looptri.tri[0]].v; - const int v1_index = mesh_->mloop[looptri.tri[1]].v; - const int v2_index = mesh_->mloop[looptri.tri[2]].v; + const int v0_index = loops[looptri.tri[0]].v; + const int v1_index = loops[looptri.tri[1]].v; + const int v2_index = loops[looptri.tri[2]].v; - const float d0 = len_squared_v3v3(positions_[i], mesh_->mvert[v0_index].co); - const float d1 = len_squared_v3v3(positions_[i], mesh_->mvert[v1_index].co); - const float d2 = len_squared_v3v3(positions_[i], mesh_->mvert[v2_index].co); + const float d0 = len_squared_v3v3(positions_[i], verts[v0_index].co); + const float d1 = len_squared_v3v3(positions_[i], verts[v1_index].co); + const float d2 = len_squared_v3v3(positions_[i], verts[v2_index].co); nearest_weights_[i] = MIN3_PAIR(d0, d1, d2, float3(1, 0, 0), float3(0, 1, 0), float3(0, 0, 1)); } @@ -257,6 +263,8 @@ int sample_surface_points_spherical(RandomNumberGenerator &rng, Vector<int> &r_looptri_indices, Vector<float3> &r_positions) { + const Span<MVert> verts = mesh.vertices(); + const Span<MLoop> loops = mesh.loops(); const Span<MLoopTri> looptris{BKE_mesh_runtime_looptri_ensure(&mesh), BKE_mesh_runtime_looptri_len(&mesh)}; @@ -270,9 +278,9 @@ int sample_surface_points_spherical(RandomNumberGenerator &rng, for (const int looptri_index : looptri_indices_to_sample) { const MLoopTri &looptri = looptris[looptri_index]; - const float3 &v0 = mesh.mvert[mesh.mloop[looptri.tri[0]].v].co; - const float3 &v1 = mesh.mvert[mesh.mloop[looptri.tri[1]].v].co; - const float3 &v2 = mesh.mvert[mesh.mloop[looptri.tri[2]].v].co; + const float3 &v0 = verts[loops[looptri.tri[0]].v].co; + const float3 &v1 = verts[loops[looptri.tri[1]].v].co; + const float3 &v2 = verts[loops[looptri.tri[2]].v].co; const float looptri_area = area_tri_v3(v0, v1, v2); @@ -353,6 +361,8 @@ int sample_surface_points_projected( Vector<int> &r_looptri_indices, Vector<float3> &r_positions) { + const Span<MVert> verts = mesh.vertices(); + const Span<MLoop> loops = mesh.loops(); const Span<MLoopTri> looptris{BKE_mesh_runtime_looptri_ensure(&mesh), BKE_mesh_runtime_looptri_len(&mesh)}; @@ -394,7 +404,8 @@ int sample_surface_points_projected( const int looptri_index = ray_hit.index; const float3 pos = ray_hit.co; - const float3 bary_coords = compute_bary_coord_in_triangle(mesh, looptris[looptri_index], pos); + const float3 bary_coords = compute_bary_coord_in_triangle( + verts, loops, looptris[looptri_index], pos); r_positions.append(pos); r_bary_coords.append(bary_coords); @@ -404,13 +415,14 @@ int sample_surface_points_projected( return point_count; } -float3 compute_bary_coord_in_triangle(const Mesh &mesh, +float3 compute_bary_coord_in_triangle(const Span<MVert> verts, + const Span<MLoop> loops, const MLoopTri &looptri, const float3 &position) { - const float3 &v0 = mesh.mvert[mesh.mloop[looptri.tri[0]].v].co; - const float3 &v1 = mesh.mvert[mesh.mloop[looptri.tri[1]].v].co; - const float3 &v2 = mesh.mvert[mesh.mloop[looptri.tri[2]].v].co; + const float3 &v0 = verts[loops[looptri.tri[0]].v].co; + const float3 &v1 = verts[loops[looptri.tri[1]].v].co; + const float3 &v2 = verts[loops[looptri.tri[2]].v].co; float3 bary_coords; interp_weights_tri_v3(bary_coords, v0, v1, v2, position); return bary_coords; |