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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 |