60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#pragma once
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#include "GePoly.h"
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#include "EntitySet.h"
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#include "GeTriangle.h"
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#include "SHLoopList.h"
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// 多边形的三角形化
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class GePolygonEx : public GePoly
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{
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public:
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GePolygonEx();
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GePolygonEx(GePoly &src);
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GePolygonEx(EntitySet &ent);
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GePolygonEx(const GePolygonEx &src);
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virtual ~GePolygonEx();
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virtual bool IsKindOf(TEntityId entType) const;
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virtual TEntityId Type() const;
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virtual void CopyFrom(const GeEntity* pSrc);
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ADSGePoint3d * operator [](int nIndex);
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const ADSGePoint3d & operator [](int nIndex) const;
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GePolygonEx & operator = (const GePolygonEx &src);
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// 求法向量，用来作为坐标变换
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int GetNormal(TVector3D &vtNormal) const;
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int Make(const TCHAR *szLay);
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// b2D--TRUE, 已经是二维；否则是三维，需要坐标变换
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int Trianglize(PtrList<GeTriangle> &lstTris, BOOL b2D = FALSE) const;
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int SubTrianglize(PtrList<GeTriangle> &lstTris);
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int GetInsidePoint(ADSGePoint3d &ptRet, BOOL b2D = FALSE) const;
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int SubGetInsidePoint(ADSGePoint3d &ptRet);
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//是否为凸多边形，2D
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BOOL IsConvex() const;
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BOOL IsVisible(int idx) const;
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void Reset();
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void Reverse();
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void Ecs2Wcs(TVector3D vtEcs);
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void Wcs2Ecs(TVector3D vtEcs);
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void SetVisible(int idx, BOOL bVis);
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void RemoveNode(int nIndex);
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void AppendNode(const ADSGePoint3d &pt, int nIndex = 1);
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double GetEdgeLength(int idx) const;
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double GetAngle(int idx) const;
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ADSGePoint3d GetVertex(int idx) const;
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SHLoopList<int>& GetVisibleFlag();
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public:
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// 1--visible; 0-invisible
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SHLoopList<int> m_lstVisibleFlag;
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};
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