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1 | // Created on: 2014-10-20 |
| 2 | // Created by: Denis BOGOLEPOV |
| 3 | // Copyright (c) 2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | #ifndef _BRepExtrema_TriangleSet_HeaderFile |
| 17 | #define _BRepExtrema_TriangleSet_HeaderFile |
| 18 | |
| 19 | #include <TopoDS_Face.hxx> |
| 20 | |
| 21 | #include <BVH_PrimitiveSet.hxx> |
| 22 | |
| 23 | //! List of shapes and their IDs for collision detection. |
| 24 | typedef NCollection_Vector<TopoDS_Face> BRepExtrema_ShapeList; |
| 25 | |
| 26 | //! Triangle set corresponding to specific face. |
| 27 | class BRepExtrema_TriangleSet : public BVH_PrimitiveSet<Standard_Real, 3> |
| 28 | { |
| 29 | public: |
| 30 | |
| 31 | //! Creates empty triangle set. |
| 32 | Standard_EXPORT BRepExtrema_TriangleSet(); |
| 33 | |
| 34 | //! Creates triangle set from the given face. |
| 35 | Standard_EXPORT BRepExtrema_TriangleSet (const BRepExtrema_ShapeList& theFaces); |
| 36 | |
| 37 | //! Releases resources of triangle set. |
| 38 | Standard_EXPORT ~BRepExtrema_TriangleSet(); |
| 39 | |
| 40 | public: //! @name methods implementing BVH set interface |
| 41 | |
| 42 | //! Returns total number of triangles. |
| 43 | Standard_Integer Size() const; |
| 44 | |
| 45 | //! Returns AABB of the given triangle. |
| 46 | BVH_Box<Standard_Real, 3> Box (const Standard_Integer theIndex) const; |
| 47 | |
| 48 | //! Returns centroid position along specified axis. |
| 49 | Standard_Real Center (const Standard_Integer theIndex, const Standard_Integer theAxis) const; |
| 50 | |
| 51 | //! Swaps indices of two specified triangles. |
| 52 | void Swap (const Standard_Integer theIndex1, const Standard_Integer theIndex2); |
| 53 | |
| 54 | public: |
| 55 | |
| 56 | //! Clears triangle set data. |
| 57 | Standard_EXPORT void Clear(); |
| 58 | |
| 59 | //! Initializes triangle set. |
| 60 | Standard_EXPORT Standard_Boolean Init (const BRepExtrema_ShapeList& theFaces); |
| 61 | |
| 62 | //! Returns vertices of the given triangle. |
| 63 | Standard_EXPORT void GetVertices (const Standard_Integer theIndex, |
| 64 | BVH_Vec3d& theVertex1, |
| 65 | BVH_Vec3d& theVertex2, |
| 66 | BVH_Vec3d& theVertex3) const; |
| 67 | |
| 68 | //! Returns face ID of the given triangle. |
| 69 | Standard_EXPORT Standard_Integer GetFaceID (const Standard_Integer theIndex) const; |
| 70 | |
| 71 | protected: |
| 72 | |
| 73 | //! Array of vertex indices. |
| 74 | BVH_Array4i myTriangles; |
| 75 | |
| 76 | //! Array of vertex UV params. |
| 77 | BVH_Array2d myVertUVArray; |
| 78 | |
| 79 | //! Array of vertex coordinates. |
| 80 | BVH_Array3d myVertexArray; |
| 81 | |
| 82 | }; |
| 83 | |
| 84 | #endif // _BRepExtrema_TriangleSet_HeaderFile |
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