63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
//-------------------------------------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGVector3D 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: TGVector3D 声明
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// = Maintainers:
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//
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//-------------------------------------------------------------------------------------------------------+
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#ifndef _TGVECTOR3D_H_
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#define _TGVECTOR3D_H_
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#ifndef _TGPOINT_H_
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#include "TGPoint.h"
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#endif
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class GEOAPI TGVector3D:public TGPoint
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{
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public:
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TGVector3D(double x = 0,double y = 0,double z = 0);
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TGVector3D(double *p);
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TGVector3D(float*p);
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TGVector3D(const TGPoint& pt);
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TGVector3D(const TGPoint& fromPt,const TGPoint& toPt);
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~TGVector3D();
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double Length() const;
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bool IsValid() const;
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bool IsNullVector() const;
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bool IsNormalized() const;
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bool Normalize();
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void SetVector(double x,double y,double z);
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void SetLength(double len);
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void Reverse();
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TGVector3D operator -() const;
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TGVector3D operator +(const TGPoint& vt) const;
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TGVector3D operator -(const TGPoint& vt) const;
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TGVector3D operator *(double rate) const;
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TGVector3D operator /(double rate) const;
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TGVector3D operator *(const TGPoint& vt) const;
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double operator & (const TGPoint& vt) const;
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bool IsParallel(const TGPoint& vt,bool bNormalized = false) const;
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bool IsVert(const TGPoint& vt,bool bNormalized = false) const;
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//夹角小于90度
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bool IsSameDirection(const TGPoint& vt,bool bNormalized = false) const;
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//夹角大于90度
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bool IsReverseDirection(const TGPoint& vt,bool bNormalized = false) const;
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//[0,PI]
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double GetAngleWith(const TGPoint& vt,bool bNormalized = false) const;
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//空矢量返回false
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bool GetVertVector(TGPoint& vt) const;
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};
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#endif
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