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/*           CPoint3D.h                                                 */ 
/************************************************************************/ 
 
#ifndef  __CPOINT3D_H__ 
#define  __CPOINT3D_H__ 
 
typedef class POINT3D  
{ 
public:	 
	POINT3D(); 
	~POINT3D(); 
	POINT3D operator + (const POINT3D &point3d); 
	POINT3D operator - (const POINT3D &point3d); 
	POINT3D operator / (const int &sum); 
	POINT3D operator * (const int &sum); 
	POINT3D operator += (const POINT3D &point3d); 
	POINT3D operator -= (const POINT3D &point3d); 
	POINT3D operator /= (const int &sum);	 
	POINT3D operator *= (const int &sum);	 
public: 
	float x; 
	float y; 
	float z; 
	BYTE   w;// w = 0    ÎÞÓÃ 
	         //   = 1    ÓÐÓÃ			 
}Point3D; 
 
typedef class POINT7D : public POINT3D 
{ 
public : 
	POINT7D(); 
	~POINT7D(); 
	POINT7D operator =(const POINT3D &point3d); 
public: 
	float nx; 
	float ny; 
	float nz; 
} Point7D; 
 
double Distance(const POINT3D &p1 , const POINT3D &p2); 
 
#endif