86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGGePlane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: TGGePlane类声明
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _TGGEPLANE_H_
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#define _TGGEPLANE_H_
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#ifndef _TGGEENTITY_H_
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#include "TGGeEntity.h"
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#endif
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#ifndef _TADSGEPOINT3D_H_
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#include "TADSGePoint3d.h"
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#endif
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#ifndef _TGGELINE_H_
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#include "TGGeLine.h"
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#endif
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class GEOAPI TGGePlane : public TGGeEntity
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{
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public:
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TGGePlane();
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TGGePlane(double aa, double bb, double cc, double dd);
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TGGePlane(const TADSGePoint3d &ptOrg, const TVector3D &vtNorm);
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TGGePlane(const TGGePlane &src);
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virtual ~TGGePlane();
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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 TGGeEntity* pImpSrc);
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virtual BOOL IsValid() const;
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// 3点确定一平面方程
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virtual BOOL SetFrom3p(const TADSGePoint3d &pt1, const TADSGePoint3d &pt2, const TADSGePoint3d &pt3);
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// 平面与线求交，考虑了线是否为无限长
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virtual BOOL Intersect(const TGGeLine &ln, TADSGePoint3d &ptInt) const;
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// 平面与平面求交，求交线（无限长）
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virtual BOOL Intersect(const TGGePlane &plan, TGGeLine &ln) const;
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virtual TVector3D GetNormal() const;
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virtual double GetAngle(TVector3D vtLight)const;
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virtual bool IsReflect(TVector3D vtLight)const;
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virtual bool Reflect(TVector3D vtLight,TVector3D& vtRes)const;
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virtual double GetParaA()const;
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virtual void SetParaA(const double dVal);
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virtual double GetParaB()const;
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virtual void SetParaB(const double dVal);
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virtual double GetParaC()const;
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virtual void SetParaC(const double dVal);
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virtual double GetParaD()const;
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virtual void SetParaD(const double dVal);
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TGGePlane & operator = (const TGGePlane &src);
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BOOL operator !() const;
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public:
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double m_dParaA, m_dParaB, m_dParaC, m_dParaD;
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};
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extern GEOAPI BOOL GetShadowMatrix(const TGGePlane&plane, const TVector3D &vtLight, AcGeMatrix3d &mShadowMatrix);
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#endif |