//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TPGeGLineRay3D.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明 射线
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TPGEGLINERAY3D_H_
#define _TPGEGLINERAY3D_H_

#ifndef _TPGECURVE2D_H_
#include "TPGeCurve2D.h"
#endif

#ifndef _TGVECTOR3D_H_
#include "TGVector3D.h"
#endif

#ifndef _TPGEGLINE3D_H_
#include "TPGeGLine3D.h"
#endif

#ifndef _TPGELINE3D_H_
#include "TPGeLine3D.h"
#endif

#ifndef _TGPOINT_H_
#include "TGPoint.h"
#endif

#ifndef _TTABLE_H_
#include "TTable.h"
#endif

#ifndef _TGOBJECT_H_
#include "TGObject.h"
#endif

#ifndef _TGOBJECTLIST_H_
#include "TGObjectList.h"
#endif

#ifndef _TWFLAG_H_
#include "TWFlag.h"
#endif

class TGObject2D;

class GEOAPI TPGeGLineRay3D:public TPGeGLine3D
{
	DECLARE_RUN_TIME_CLASS(TPGeGLineRay3D)

public:

	TPGeGLineRay3D();

	TPGeGLineRay3D(const TPGeLine3D&line);

	TPGeGLineRay3D(const TGVector3D&vt,const TGPoint&pt);
	
	TPGeGLineRay3D(const TGPoint&pt0,const TGPoint&pt1);
	
	virtual ~TPGeGLineRay3D();
	//重载 TPGeCurve3D
	//存在区间[0,正无穷)
	virtual bool IsFinite(bool bStart)const;

	virtual void Split(const TTable<double> &paTable,TGObjectList&res)const;

	//重载 TGObject3D
	virtual TGObject2D* Convert2D()const;

	//重载 TGObject
	virtual TGObject * Clone()const;
	
	virtual bool IsInclude(const TGObject&obj)const;
	
	virtual bool Intersect(const TGObject&obj,TGObjectList&res)const;
	
	virtual GRelation HitTest(const TGPoint&pt)const;

	bool IsSameRay(const TPGeGLineRay3D&ray)const;
};

#endif