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0ef04197f7
SelectBasics_EntityOwner has been merged into SelectMgr_EntityOwner. Unused property SelectMgr_EntityOwner::ResetLocation() has been removed. SelectBasics package has been moved from TKService to TKV3d. SelectBasics_SensitiveEntity has been merged into Select3D_SensitiveEntity.
229 lines
9.0 KiB
C++
229 lines
9.0 KiB
C++
// Created on: 1996-10-17
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// Created by: Odile OLIVIER
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 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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#include <Select3D_SensitiveWire.hxx>
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#include <Select3D_SensitiveEntity.hxx>
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#include <Precision.hxx>
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#include <TopLoc_Location.hxx>
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#include <Select3D_SensitiveSegment.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(Select3D_SensitiveWire,Select3D_SensitiveSet)
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//=====================================================
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// Function : Select3D_SensitiveWire
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// Purpose :
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//=====================================================
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Select3D_SensitiveWire::Select3D_SensitiveWire (const Handle(SelectMgr_EntityOwner)& theOwnerId)
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: Select3D_SensitiveSet (theOwnerId),
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myCenter (0.0, 0.0, 0.0)
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{}
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//=====================================================
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// Function : Add
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// Purpose :
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//=====================================================
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void Select3D_SensitiveWire::Add (const Handle(Select3D_SensitiveEntity)& theSensitive)
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{
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if (!theSensitive.IsNull())
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myEntities.Append (theSensitive);
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Select3D_BndBox3d aBndBox = theSensitive->BoundingBox();
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myBndBox.Combine (aBndBox);
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myCenter.ChangeCoord() += theSensitive->CenterOfGeometry().XYZ();
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if (myEntities.Length() != 1)
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myCenter.ChangeCoord().Divide (2.0);
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myEntityIndexes.Append (myEntities.Length() - 1);
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}
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//=======================================================================
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// function : NbSubElements
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// purpose : Returns the amount of sub-entities
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//=======================================================================
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Standard_Integer Select3D_SensitiveWire::NbSubElements()
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{
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return myEntities.Length();
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}
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//=======================================================================
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// function : Size
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// purpose : Returns the length of vector of sensitive entities
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//=======================================================================
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Standard_Integer Select3D_SensitiveWire::Size() const
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{
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return myEntities.Length();
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}
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//=======================================================================
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// function : Box
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// purpose : Returns bounding box of sensitive entity with index theIdx
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//=======================================================================
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Select3D_BndBox3d Select3D_SensitiveWire::Box (const Standard_Integer theIdx) const
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{
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const Standard_Integer aSensitiveIdx = myEntityIndexes.Value (theIdx);
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return myEntities.Value (aSensitiveIdx)->BoundingBox();
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}
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//=======================================================================
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// function : Center
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// purpose : Returns geometry center of sensitive entity with index
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// theIdx in the vector along the given axis theAxis
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//=======================================================================
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Standard_Real Select3D_SensitiveWire::Center (const Standard_Integer theIdx,
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const Standard_Integer theAxis) const
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{
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const Standard_Integer aSensitiveIdx = myEntityIndexes.Value (theIdx);
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const gp_Pnt& aCenter = myEntities.Value (aSensitiveIdx)->CenterOfGeometry();
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Standard_Real aCenterCoord = 0.0;
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aCenterCoord = theAxis == 0 ? aCenter.X() : (theAxis == 1 ? aCenter.Y() : aCenter.Z());
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return aCenterCoord;
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}
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//=======================================================================
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// function : Swap
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// purpose : Swaps items with indexes theIdx1 and theIdx2 in the vector
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//=======================================================================
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void Select3D_SensitiveWire::Swap (const Standard_Integer theIdx1,
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const Standard_Integer theIdx2)
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{
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const Standard_Integer aSensitiveIdx1 = myEntityIndexes.Value (theIdx1);
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const Standard_Integer aSensitiveIdx2 = myEntityIndexes.Value (theIdx2);
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myEntityIndexes.ChangeValue (theIdx1) = aSensitiveIdx2;
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myEntityIndexes.ChangeValue (theIdx2) = aSensitiveIdx1;
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}
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// =======================================================================
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// function : overlapsElement
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// purpose : Checks whether the entity with index theIdx overlaps the
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// current selecting volume
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// =======================================================================
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Standard_Boolean Select3D_SensitiveWire::overlapsElement (SelectBasics_PickResult& thePickResult,
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SelectBasics_SelectingVolumeManager& theMgr,
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Standard_Integer theElemIdx,
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Standard_Boolean )
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{
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const Standard_Integer aSensitiveIdx = myEntityIndexes.Value (theElemIdx);
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const Handle(SelectBasics_SensitiveEntity)& aSeg = myEntities.Value (aSensitiveIdx);
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return aSeg->Matches (theMgr, thePickResult);
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}
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// =======================================================================
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// function : elementIsInside
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// purpose :
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// =======================================================================
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Standard_Boolean Select3D_SensitiveWire::elementIsInside (SelectBasics_SelectingVolumeManager& theMgr,
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Standard_Integer theElemIdx,
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Standard_Boolean )
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{
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SelectBasics_PickResult aMatchResult;
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return myEntities.Value (myEntityIndexes.Value (theElemIdx))->Matches (theMgr, aMatchResult);
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}
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// =======================================================================
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// function : distanceToCOG
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// purpose : Calculates distance from the 3d projection of used-picked
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// screen point to center of the geometry
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// =======================================================================
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Standard_Real Select3D_SensitiveWire::distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr)
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{
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return theMgr.DistToGeometryCenter (myCenter);
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}
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//=======================================================================
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//function : GetConnected
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//purpose :
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//=======================================================================
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Handle(Select3D_SensitiveEntity) Select3D_SensitiveWire::GetConnected()
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{
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Handle(Select3D_SensitiveWire) aNewEntity = new Select3D_SensitiveWire (myOwnerId);
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for (Standard_Integer anEntityIdx = 0; anEntityIdx < myEntities.Length(); anEntityIdx++)
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aNewEntity->Add (myEntities(anEntityIdx)->GetConnected());
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return aNewEntity;
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}
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//=======================================================================
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//function : GetEdges
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//purpose : returns the sensitive edges stored in this wire
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//=======================================================================
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const NCollection_Vector<Handle(Select3D_SensitiveEntity)>& Select3D_SensitiveWire::GetEdges()
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{
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return myEntities;
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}
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//=============================================================================
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// Function : GetLastDetected
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// Purpose :
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//=============================================================================
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Handle(Select3D_SensitiveEntity) Select3D_SensitiveWire::GetLastDetected() const
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{
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Handle(Select3D_SensitiveEntity) aRes;
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if (myDetectedIdx >= 0 && myDetectedIdx < myEntities.Length())
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{
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const Standard_Integer aSensitiveIdx = myEntityIndexes.Value (myDetectedIdx);
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aRes = myEntities.Value (aSensitiveIdx);
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}
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return aRes;
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}
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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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void Select3D_SensitiveWire::Set (const Handle(SelectMgr_EntityOwner)& theOwnerId)
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{
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Select3D_SensitiveEntity::Set (theOwnerId);
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// Set TheOwnerId for each element of sensitive wire
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for (Standard_Integer anEntityIdx = 0; anEntityIdx < myEntities.Length(); ++anEntityIdx)
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{
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myEntities.Value (anEntityIdx)->Set (theOwnerId);
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}
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}
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//=======================================================================
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// function : BoundingBox
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// purpose : Returns bounding box of the wire. If location
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// transformation is set, it will be applied
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//=======================================================================
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Select3D_BndBox3d Select3D_SensitiveWire::BoundingBox()
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{
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if (myBndBox.IsValid())
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return myBndBox;
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for (Standard_Integer aSensitiveIdx = 0; aSensitiveIdx < myEntities.Length(); ++aSensitiveIdx)
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{
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myBndBox.Combine (myEntities.Value (aSensitiveIdx)->BoundingBox());
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}
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return myBndBox;
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}
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//=======================================================================
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// function : CenterOfGeometry
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// purpose : Returns center of the wire. If location transformation
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// is set, it will be applied
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//=======================================================================
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gp_Pnt Select3D_SensitiveWire::CenterOfGeometry() const
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{
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return myCenter;
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}
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