129 lines
2.4 KiB
C++
129 lines
2.4 KiB
C++
//-------------------------------------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGMesh3D 类
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// = Version : ver2.0
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// = Author : wlw
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// = CreateDate : 2002-09-09
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// = Description: TGMesh3D 定义
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// = Maintainers:
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//
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//-------------------------------------------------------------------------------------------------------+
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#include "StdAfx.h"
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#include "TGMesh3D.h"
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#include "TGMCurve3D.h"
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#include "TPGeCurve3D.h"
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TGMesh3D::~TGMesh3D()
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{
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}
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bool TGMesh3D::operator>(const TGMesh3D&)const
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{
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return false;
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}
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bool TGMesh3D::operator<(const TGMesh3D&)const
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{
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return false;
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}
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TPGeCurve3D* TGMesh3D::CreateCurve()
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{
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if(GetLength() == 1)
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{
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return new TGMCurve3D(*GetAt(0)->GetCurve());
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}
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TGMCurve3D* pCurve = new TGMCurve3D;
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const TGMeshNode3D*pStartNode;
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const TGMeshEdge3D*pEdge0 = GetAt(0);
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if(pEdge0->m_pMesh1 == this)
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{
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pStartNode = pEdge0->GetNode(1);
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}
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else
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{
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pStartNode = pEdge0->GetNode(2);
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}
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for(MoveToFirst();!IsOut();MoveToNext())
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{
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TPGeCurve3D* pSeg = (TPGeCurve3D*)(GetCurData()->GetCurve()->Clone());
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if(GetCurData()->GetNode(1) != pStartNode)
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{
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pSeg->Reverse();
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pStartNode = GetCurData()->GetNode(1);
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}
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else
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{
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pStartNode = GetCurData()->GetNode(2);
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}
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pCurve->AddTail(pSeg);
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}
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return pCurve;
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}
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void TGMesh3D::ExplodeSelfCross(TPDList<TGMesh3D> &lstMesh)
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{
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TDualPtrList<const TGMeshNode3D*> lstNode;
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const TGMeshNode3D*pStartNode;
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const TGMeshEdge3D*pEdge0 = GetAt(0);
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if(pEdge0->m_pMesh1 == this)
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{
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pStartNode = pEdge0->GetNode(1);
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}
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else
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{
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pStartNode = pEdge0->GetNode(2);
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}
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for(MoveToFirst();!IsOut();MoveToNext())
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{
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long index = lstNode.Find(pStartNode);
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if(index == NOT_FOUND)
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{
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lstNode<<pStartNode;
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}
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else
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{
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TGMesh3D tail;
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SplitAtCur(tail);
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TGMesh3D *pMesh = new TGMesh3D;
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SplitAt(index,*pMesh);
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for(pMesh->MoveToFirst();!pMesh->IsOut();pMesh->MoveToNext())
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{
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TGMeshEdge3D *pEdge = pMesh->GetCurData();
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if(pEdge->m_pMesh1 == this)
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{
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pEdge->m_pMesh1 = pMesh;
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}
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else
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{
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pEdge->m_pMesh2 = pMesh;
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}
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}
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lstMesh<<pMesh;
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Conbine(tail);
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lstNode.Clear();
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ExplodeSelfCross(lstMesh);
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break;
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}
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if(GetCurData()->GetNode(1) != pStartNode)
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{
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pStartNode = GetCurData()->GetNode(1);
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}
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else
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{
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pStartNode = GetCurData()->GetNode(2);
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}
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}
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} |