diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/core_bind.cpp | 5 | ||||
| -rw-r--r-- | core/core_bind.h | 1 | ||||
| -rw-r--r-- | core/math/geometry_3d.h | 16 |
3 files changed, 22 insertions, 0 deletions
diff --git a/core/core_bind.cpp b/core/core_bind.cpp index a43dce58cb..e3dad09091 100644 --- a/core/core_bind.cpp +++ b/core/core_bind.cpp @@ -1040,6 +1040,10 @@ Vector<Vector3> Geometry3D::clip_polygon(const Vector<Vector3> &p_points, const return ::Geometry3D::clip_polygon(p_points, p_plane); } +Vector<int32_t> Geometry3D::tetrahedralize_delaunay(const Vector<Vector3> &p_points) { + return ::Geometry3D::tetrahedralize_delaunay(p_points); +} + void Geometry3D::_bind_methods() { ClassDB::bind_method(D_METHOD("compute_convex_mesh_points", "planes"), &Geometry3D::compute_convex_mesh_points); ClassDB::bind_method(D_METHOD("build_box_planes", "extents"), &Geometry3D::build_box_planes); @@ -1061,6 +1065,7 @@ void Geometry3D::_bind_methods() { ClassDB::bind_method(D_METHOD("segment_intersects_convex", "from", "to", "planes"), &Geometry3D::segment_intersects_convex); ClassDB::bind_method(D_METHOD("clip_polygon", "points", "plane"), &Geometry3D::clip_polygon); + ClassDB::bind_method(D_METHOD("tetrahedralize_delaunay", "points"), &Geometry3D::tetrahedralize_delaunay); } ////// Marshalls ////// diff --git a/core/core_bind.h b/core/core_bind.h index c53765cdee..a8244cf7c5 100644 --- a/core/core_bind.h +++ b/core/core_bind.h @@ -337,6 +337,7 @@ public: Vector<Vector3> segment_intersects_convex(const Vector3 &p_from, const Vector3 &p_to, const TypedArray<Plane> &p_planes); Vector<Vector3> clip_polygon(const Vector<Vector3> &p_points, const Plane &p_plane); + Vector<int32_t> tetrahedralize_delaunay(const Vector<Vector3> &p_points); Geometry3D() { singleton = this; } }; diff --git a/core/math/geometry_3d.h b/core/math/geometry_3d.h index 99c554fe05..305a64e39c 100644 --- a/core/math/geometry_3d.h +++ b/core/math/geometry_3d.h @@ -31,6 +31,7 @@ #ifndef GEOMETRY_3D_H #define GEOMETRY_3D_H +#include "core/math/delaunay_3d.h" #include "core/math/face3.h" #include "core/object/object.h" #include "core/templates/local_vector.h" @@ -532,6 +533,21 @@ public: return clipped; } + static Vector<int32_t> tetrahedralize_delaunay(const Vector<Vector3> &p_points) { + Vector<Delaunay3D::OutputSimplex> tetr = Delaunay3D::tetrahedralize(p_points); + Vector<int32_t> tetrahedrons; + + tetrahedrons.resize(4 * tetr.size()); + int32_t *ptr = tetrahedrons.ptrw(); + for (int i = 0; i < tetr.size(); i++) { + *ptr++ = tetr[i].points[0]; + *ptr++ = tetr[i].points[1]; + *ptr++ = tetr[i].points[2]; + *ptr++ = tetr[i].points[3]; + } + return tetrahedrons; + } + // Create a "wrap" that encloses the given geometry. static Vector<Face3> wrap_geometry(Vector<Face3> p_array, real_t *p_error = nullptr); |