109 lines
4.8 KiB
C++
109 lines
4.8 KiB
C++
// Created on: 2016-02-18
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// Created by: Varvara POSKONINA
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// Copyright (c) 2016 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _MeshVS_CommonSensitiveEntity_Header
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#define _MeshVS_CommonSensitiveEntity_Header
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#include "MeshVS_DataSource.hxx"
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#include "MeshVS_Mesh.hxx"
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#include "MeshVS_MeshSelectionMethod.hxx"
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#include "Select3D_SensitiveSet.hxx"
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//! Sensitive entity covering entire mesh for global selection.
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class MeshVS_CommonSensitiveEntity : public Select3D_SensitiveSet
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{
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DEFINE_STANDARD_RTTIEXT(MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet)
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public:
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//! Default constructor.
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Standard_EXPORT MeshVS_CommonSensitiveEntity(const Handle(SelectMgr_EntityOwner)& theOwner,
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const Handle(MeshVS_Mesh)& theParentMesh,
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const MeshVS_MeshSelectionMethod theSelMethod);
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//! Destructor.
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Standard_EXPORT virtual ~MeshVS_CommonSensitiveEntity();
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//! Number of elements.
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Standard_EXPORT virtual Standard_Integer NbSubElements() const Standard_OVERRIDE;
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//! Returns the amount of sub-entities of the complex entity
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Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE;
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//! Returns bounding box of sub-entity with index theIdx in sub-entity list
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Standard_EXPORT virtual Select3D_BndBox3d Box(const Standard_Integer theIdx) const
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Standard_OVERRIDE;
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//! Returns geometry center of sensitive entity index theIdx along the given axis theAxis
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Standard_EXPORT virtual Standard_Real Center(const Standard_Integer theIdx,
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const Standard_Integer theAxis) const
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Standard_OVERRIDE;
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//! Swaps items with indexes theIdx1 and theIdx2
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Standard_EXPORT virtual void Swap(const Standard_Integer theIdx1,
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const Standard_Integer theIdx2) Standard_OVERRIDE;
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//! Returns bounding box of the triangulation. If location
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//! transformation is set, it will be applied
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Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE;
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//! Returns center of a mesh
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Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE;
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//! Create a copy.
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virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE
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{
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return new MeshVS_CommonSensitiveEntity(*this);
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}
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protected:
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//! Checks whether the entity with index theIdx overlaps the current selecting volume
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Standard_EXPORT virtual Standard_Boolean overlapsElement(
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SelectBasics_PickResult& thePickResult,
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SelectBasics_SelectingVolumeManager& theMgr,
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Standard_Integer theElemIdx,
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Standard_Boolean theIsFullInside) Standard_OVERRIDE;
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//! Checks whether the entity with index theIdx is inside the current selecting volume
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Standard_EXPORT virtual Standard_Boolean elementIsInside(
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SelectBasics_SelectingVolumeManager& theMgr,
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Standard_Integer theElemIdx,
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Standard_Boolean theIsFullInside) Standard_OVERRIDE;
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//! Calculates distance from the 3d projection of used-picked screen point to center of the
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//! geometry
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Standard_EXPORT virtual Standard_Real distanceToCOG(SelectBasics_SelectingVolumeManager& theMgr)
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Standard_OVERRIDE;
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//! Protected copy constructor.
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Standard_EXPORT MeshVS_CommonSensitiveEntity(const MeshVS_CommonSensitiveEntity& theOther);
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private:
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//! Return point for specified index.
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gp_Pnt getVertexByIndex(const Standard_Integer theNodeIdx) const;
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private:
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Handle(MeshVS_DataSource) myDataSource; //!< mesh data source
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NCollection_Vector<Standard_Integer> myItemIndexes; //!< indices for BVH tree reordering
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MeshVS_MeshSelectionMethod mySelMethod; //!< selection mode
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// clang-format off
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Standard_Integer myMaxFaceNodes; //!< maximum nodes within the element in mesh
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// clang-format on
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gp_Pnt myCOG; //!< center of gravity
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Select3D_BndBox3d myBndBox; //!< bounding box
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};
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DEFINE_STANDARD_HANDLE(MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet)
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#endif // _MeshVS_CommonSensitiveEntity_Header
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