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1 | // Created on: 2016-02-18 |
2 | // Created by: Varvara POSKONINA |
3 | // Copyright (c) 2016 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 _MeshVS_CommonSensitiveEntity_Header |
17 | #define _MeshVS_CommonSensitiveEntity_Header |
18 | |
19 | #include <MeshVS_DataSource.hxx> |
20 | #include <MeshVS_Mesh.hxx> |
21 | #include <MeshVS_MeshSelectionMethod.hxx> |
22 | #include <Select3D_SensitiveSet.hxx> |
23 | |
24 | //! Sensitive entity covering entire mesh for global selection. |
25 | class MeshVS_CommonSensitiveEntity : public Select3D_SensitiveSet |
26 | { |
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27 | DEFINE_STANDARD_RTTIEXT (MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet) |
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28 | public: |
29 | |
30 | //! Default constructor. |
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31 | Standard_EXPORT MeshVS_CommonSensitiveEntity (const Handle(SelectMgr_EntityOwner)& theOwner, |
32 | const Handle(MeshVS_Mesh)& theParentMesh, |
33 | const MeshVS_MeshSelectionMethod theSelMethod); |
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34 | |
35 | //! Destructor. |
36 | Standard_EXPORT virtual ~MeshVS_CommonSensitiveEntity(); |
37 | |
38 | //! Number of elements. |
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39 | Standard_EXPORT virtual Standard_Integer NbSubElements() const Standard_OVERRIDE; |
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40 | |
41 | //! Returns the amount of sub-entities of the complex entity |
42 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
43 | |
44 | //! Returns bounding box of sub-entity with index theIdx in sub-entity list |
45 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE; |
46 | |
47 | //! Returns geometry center of sensitive entity index theIdx along the given axis theAxis |
48 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx, |
49 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
50 | |
51 | //! Swaps items with indexes theIdx1 and theIdx2 |
52 | Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1, |
53 | const Standard_Integer theIdx2) Standard_OVERRIDE; |
54 | |
55 | //! Returns bounding box of the triangulation. If location |
56 | //! transformation is set, it will be applied |
57 | Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE; |
58 | |
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59 | //! Returns center of a mesh |
60 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
61 | |
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62 | //! Create a copy. |
63 | virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE { return new MeshVS_CommonSensitiveEntity (*this); } |
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64 | |
65 | protected: |
66 | |
67 | //! Checks whether the entity with index theIdx overlaps the current selecting volume |
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68 | Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_PickResult& thePickResult, |
69 | SelectBasics_SelectingVolumeManager& theMgr, |
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70 | Standard_Integer theElemIdx, |
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71 | Standard_Boolean theIsFullInside) Standard_OVERRIDE; |
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72 | |
73 | //! Checks whether the entity with index theIdx is inside the current selecting volume |
74 | Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr, |
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75 | Standard_Integer theElemIdx, |
76 | Standard_Boolean theIsFullInside) Standard_OVERRIDE; |
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77 | |
78 | //! Calculates distance from the 3d projection of used-picked screen point to center of the geometry |
79 | Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
80 | |
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81 | //! Protected copy constructor. |
82 | Standard_EXPORT MeshVS_CommonSensitiveEntity (const MeshVS_CommonSensitiveEntity& theOther); |
83 | |
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84 | private: |
85 | |
86 | //! Return point for specified index. |
87 | gp_Pnt getVertexByIndex (const Standard_Integer theNodeIdx) const; |
88 | |
89 | private: |
90 | |
91 | Handle(MeshVS_DataSource) myDataSource; //!< mesh data source |
92 | NCollection_Vector<Standard_Integer> myItemIndexes; //!< indices for BVH tree reordering |
93 | MeshVS_MeshSelectionMethod mySelMethod; //!< selection mode |
94 | Standard_Integer myMaxFaceNodes; //!< maximum nodes within the element in mesh |
95 | gp_Pnt myCOG; //!< center of gravity |
96 | Select3D_BndBox3d myBndBox; //!< bounding box |
97 | |
98 | }; |
99 | |
100 | DEFINE_STANDARD_HANDLE (MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet) |
101 | |
102 | #endif // _MeshVS_CommonSensitiveEntity_Header |