87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, SH Software Co. Ltd.
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// = FileName : XPlane类
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// = Version : ver2.0
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// = Author : zjq
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// = CreateDate : 2002-09-09
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// = Description: XPlane类声明
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _XPLANE_H_
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#define _XPLANE_H_
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#ifndef _XENTITY_H_
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#include "XEntity.h"
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#endif
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#ifndef _XPOINT_H_
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#include "XPoint.h"
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#endif
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#ifndef _XLINE_H_
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#include "XLine.h"
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#endif
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class GEOAPI XPlane : public XEntity
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{
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public:
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XPlane();
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XPlane(double aa, double bb, double cc, double dd);
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XPlane(const XPoint &ptOrg, const XVector3D &vtNorm);
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XPlane(const XPlane &src);
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virtual ~XPlane();
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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 XEntity* 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 XPoint &pt1, const XPoint &pt2, const XPoint &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 XLine &ln, XPoint &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 XPlane &plan, XLine &ln) const;
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virtual XVector3D GetNormal() const;
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virtual double GetAngle(XVector3D vtLight)const;
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virtual bool IsReflect(XVector3D vtLight)const;
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virtual bool Reflect(XVector3D vtLight,XVector3D& 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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XPlane & operator = (const XPlane &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 XPlane&plane, const XVector3D &vtLight, AcGeMatrix3d &mShadowMatrix);
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#endif
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