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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> |
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20 | #include <BVH_PrimitiveSet3d.hxx> |
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21 | |
22 | //! List of shapes and their IDs for collision detection. |
23 | typedef NCollection_Vector<TopoDS_Face> BRepExtrema_ShapeList; |
24 | |
25 | //! Triangle set corresponding to specific face. |
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26 | class BRepExtrema_TriangleSet : public BVH_PrimitiveSet3d |
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27 | { |
28 | public: |
29 | |
30 | //! Creates empty triangle set. |
31 | Standard_EXPORT BRepExtrema_TriangleSet(); |
32 | |
33 | //! Creates triangle set from the given face. |
34 | Standard_EXPORT BRepExtrema_TriangleSet (const BRepExtrema_ShapeList& theFaces); |
35 | |
36 | //! Releases resources of triangle set. |
37 | Standard_EXPORT ~BRepExtrema_TriangleSet(); |
38 | |
39 | public: //! @name methods implementing BVH set interface |
40 | |
41 | //! Returns total number of triangles. |
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42 | Standard_Integer Size() const Standard_OVERRIDE; |
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43 | |
44 | //! Returns AABB of the given triangle. |
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45 | BVH_Box<Standard_Real, 3> Box (const Standard_Integer theIndex) const Standard_OVERRIDE; |
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46 | |
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47 | //! Make inherited method Box() visible to avoid CLang warning |
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48 | using BVH_PrimitiveSet3d::Box; |
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49 | |
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50 | //! Returns centroid position along specified axis. |
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51 | Standard_Real Center (const Standard_Integer theIndex, const Standard_Integer theAxis) const Standard_OVERRIDE; |
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52 | |
53 | //! Swaps indices of two specified triangles. |
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54 | void Swap (const Standard_Integer theIndex1, const Standard_Integer theIndex2) Standard_OVERRIDE; |
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55 | |
56 | public: |
57 | |
58 | //! Clears triangle set data. |
59 | Standard_EXPORT void Clear(); |
60 | |
61 | //! Initializes triangle set. |
62 | Standard_EXPORT Standard_Boolean Init (const BRepExtrema_ShapeList& theFaces); |
63 | |
64 | //! Returns vertices of the given triangle. |
65 | Standard_EXPORT void GetVertices (const Standard_Integer theIndex, |
66 | BVH_Vec3d& theVertex1, |
67 | BVH_Vec3d& theVertex2, |
68 | BVH_Vec3d& theVertex3) const; |
69 | |
70 | //! Returns face ID of the given triangle. |
71 | Standard_EXPORT Standard_Integer GetFaceID (const Standard_Integer theIndex) const; |
72 | |
73 | protected: |
74 | |
75 | //! Array of vertex indices. |
76 | BVH_Array4i myTriangles; |
77 | |
78 | //! Array of vertex UV params. |
79 | BVH_Array2d myVertUVArray; |
80 | |
81 | //! Array of vertex coordinates. |
82 | BVH_Array3d myVertexArray; |
83 | |
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84 | public: |
85 | |
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86 | DEFINE_STANDARD_RTTIEXT(BRepExtrema_TriangleSet, BVH_PrimitiveSet3d) |
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87 | |
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88 | }; |
89 | |
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90 | DEFINE_STANDARD_HANDLE(BRepExtrema_TriangleSet, BVH_PrimitiveSet3d) |
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91 | |
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92 | #endif // _BRepExtrema_TriangleSet_HeaderFile |