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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 | |
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19 | #include <BVH_PrimitiveSet3d.hxx> |
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20 | #include <TColgp_Array1OfPnt.hxx> |
21 | #include <TColStd_DataMapOfIntegerInteger.hxx> |
22 | #include <TopoDS_Edge.hxx> |
23 | #include <TopoDS_Face.hxx> |
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24 | |
25 | //! List of shapes and their IDs for collision detection. |
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26 | typedef NCollection_Vector<TopoDS_Shape> BRepExtrema_ShapeList; |
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27 | |
28 | //! Triangle set corresponding to specific face. |
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29 | class BRepExtrema_TriangleSet : public BVH_PrimitiveSet3d |
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30 | { |
31 | public: |
32 | |
33 | //! Creates empty triangle set. |
34 | Standard_EXPORT BRepExtrema_TriangleSet(); |
35 | |
36 | //! Creates triangle set from the given face. |
37 | Standard_EXPORT BRepExtrema_TriangleSet (const BRepExtrema_ShapeList& theFaces); |
38 | |
39 | //! Releases resources of triangle set. |
40 | Standard_EXPORT ~BRepExtrema_TriangleSet(); |
41 | |
42 | public: //! @name methods implementing BVH set interface |
43 | |
44 | //! Returns total number of triangles. |
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45 | Standard_EXPORT Standard_Integer Size() const Standard_OVERRIDE; |
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46 | |
47 | //! Returns AABB of the given triangle. |
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48 | Standard_EXPORT BVH_Box<Standard_Real, 3> Box (const Standard_Integer theIndex) const Standard_OVERRIDE; |
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49 | |
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50 | //! Make inherited method Box() visible to avoid CLang warning |
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51 | using BVH_PrimitiveSet3d::Box; |
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52 | |
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53 | //! Returns centroid position along specified axis. |
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54 | Standard_EXPORT Standard_Real Center (const Standard_Integer theIndex, const Standard_Integer theAxis) const Standard_OVERRIDE; |
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55 | |
56 | //! Swaps indices of two specified triangles. |
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57 | Standard_EXPORT void Swap (const Standard_Integer theIndex1, const Standard_Integer theIndex2) Standard_OVERRIDE; |
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58 | |
59 | public: |
60 | |
61 | //! Clears triangle set data. |
62 | Standard_EXPORT void Clear(); |
63 | |
64 | //! Initializes triangle set. |
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65 | Standard_EXPORT Standard_Boolean Init (const BRepExtrema_ShapeList& theShapes); |
66 | |
67 | //! Returns all vertices. |
68 | Standard_EXPORT const BVH_Array3d& GetVertices() const { return myVertexArray; } |
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69 | |
70 | //! Returns vertices of the given triangle. |
71 | Standard_EXPORT void GetVertices (const Standard_Integer theIndex, |
72 | BVH_Vec3d& theVertex1, |
73 | BVH_Vec3d& theVertex2, |
74 | BVH_Vec3d& theVertex3) const; |
75 | |
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76 | //! Returns vertex indices of the given triangle. |
77 | Standard_EXPORT void GetVtxIndices (const Standard_Integer theIndex, |
78 | NCollection_Array1<Standard_Integer>& theVtxIndices) const; |
79 | |
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80 | //! Returns face ID of the given triangle. |
81 | Standard_EXPORT Standard_Integer GetFaceID (const Standard_Integer theIndex) const; |
82 | |
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83 | //! Returns shape ID of the given vertex index. |
84 | Standard_EXPORT Standard_Integer GetShapeIDOfVtx (const Standard_Integer theIndex) const; |
85 | |
86 | //! Returns vertex index in tringulation of the shape, which vertex belongs, |
87 | //! with the given vtx ID in whole set. |
88 | Standard_EXPORT Standard_Integer GetVtxIdxInShape (const Standard_Integer theIndex) const; |
89 | |
90 | //! Returns triangle index (before swapping) in tringulation of the shape, which triangle belongs, |
91 | //! with the given trg ID in whole set (after swapping). |
92 | Standard_EXPORT Standard_Integer GetTrgIdxInShape (const Standard_Integer theIndex) const; |
93 | |
94 | private: |
95 | |
96 | //! Initializes triangle set from the face |
97 | Standard_Boolean initFace (const TopoDS_Face& theFace, const Standard_Integer theIndex); |
98 | |
99 | //! Initializes polygon from the edge |
100 | Standard_Boolean initEdge (const TopoDS_Edge& theEdge, const Standard_Integer theIndex); |
101 | |
102 | //! Initializes nodes |
103 | void initNodes (const TColgp_Array1OfPnt& theNodes, |
104 | const gp_Trsf& theTrsf, |
105 | const Standard_Integer theIndex); |
106 | |
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107 | protected: |
108 | |
109 | //! Array of vertex indices. |
110 | BVH_Array4i myTriangles; |
111 | |
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112 | //! Array of vertex coordinates. |
113 | BVH_Array3d myVertexArray; |
114 | |
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115 | //! Vector of shapes' indices where index of item corresponds to index of vertex, |
116 | //! belonging to this shape. |
117 | NCollection_Vector<Standard_Integer> myShapeIdxOfVtxVec; |
118 | |
119 | //! Vector of vertexes' number belonging to shape which index corresponds item's index. |
120 | NCollection_Vector<Standard_Integer> myNumVtxInShapeVec; |
121 | |
122 | //! Vector of triangles' number belonging to shape which index corresponds item's index. |
123 | NCollection_Vector<Standard_Integer> myNumTrgInShapeVec; |
124 | |
125 | //! Map of triangles' indices after (key) and before (value) swapping. |
126 | TColStd_DataMapOfIntegerInteger myTrgIdxMap; |
127 | |
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128 | public: |
129 | |
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130 | DEFINE_STANDARD_RTTIEXT(BRepExtrema_TriangleSet, BVH_PrimitiveSet3d) |
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131 | |
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132 | }; |
133 | |
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134 | DEFINE_STANDARD_HANDLE(BRepExtrema_TriangleSet, BVH_PrimitiveSet3d) |
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135 | |
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136 | #endif // _BRepExtrema_TriangleSet_HeaderFile |