65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
#pragma once
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#include "GeEntity.h"
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#include "ADSGePoint3d.h"
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#include "GeLine.h"
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class GePlane : public GeEntity
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{
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public:
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GePlane();
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GePlane(double aa, double bb, double cc, double dd);
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GePlane(const ADSGePoint3d &ptOrg, const TVector3D &vtNorm);
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GePlane(const GePlane &src);
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virtual ~GePlane();
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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* 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 ADSGePoint3d &pt1, const ADSGePoint3d &pt2, const ADSGePoint3d &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 GeLine &ln, ADSGePoint3d &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 GePlane &plan, GeLine &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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GePlane & operator = (const GePlane &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 BOOL GetShadowMatrix(const GePlane&plane, const TVector3D &vtLight, AcGeMatrix3d &mShadowMatrix);
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