www.pudn.com > CPoint3DCloud.rar > CPoint3D.cpp

////////////////////////////////////////////////////////////////////////// 
 
#include "StdAfx.h" 
#include "math.h" 
#include "CPoint3D.h" 
 
POINT3D::POINT3D(): x(0) , y(0) , z(0) , w(1) 
{ 
    
} 
 
POINT3D::~POINT3D() 
{ 
 
} 
 
POINT3D POINT3D::operator + (const POINT3D &point3d) 
{ 
   POINT3D p; 
   p.x = x + point3d.x; 
   p.y = y + point3d.y; 
   p.z = z + point3d.z; 
   return p; 
} 
 
POINT3D POINT3D::operator - (const POINT3D &point3d) 
{ 
   POINT3D p; 
   p.x = x - point3d.x; 
   p.y = y - point3d.y; 
   p.z = z - point3d.z; 
   return p; 
} 
 
POINT3D POINT3D::operator / (const int &sum) 
{ 
	if (sum <= 0) 
	   return (*this); 
	POINT3D p; 
	p.x = x / sum; 
	p.y = y / sum; 
	p.z = z / sum; 
	return p; 
} 
 
POINT3D POINT3D::operator * (const int &sum) 
{ 
	POINT3D p; 
	p.x = x * sum; 
	p.y = y * sum; 
	p.z = z * sum; 
	return p; 
} 
 
POINT3D POINT3D::operator += (const POINT3D &point3d) 
{ 
   x = x + point3d.x; 
   y = y + point3d.y; 
   z = z + point3d.z; 
   return (*this); 
} 
 
POINT3D POINT3D::operator -= (const POINT3D &point3d) 
{ 
   x = x - point3d.x; 
   y = y - point3d.y; 
   z = z - point3d.z; 
   return (*this); 
} 
 
POINT3D POINT3D::operator /= (const int &sum) 
{ 
	if (sum <= 0) 
	   return (*this); 
	x = x / sum; 
	y = y / sum; 
	z = z / sum; 
    return (*this); 
} 
 
POINT3D POINT3D::operator *= (const int &sum) 
{ 
	x = x * sum; 
	y = y * sum; 
	z = z * sum; 
    return (*this); 
} 
 
////////////////////////////////////////////////////////////////////////// 
POINT7D::POINT7D() : nx(0.0) , ny(0.0) , nz(0.0) 
{ 
 
} 
 
POINT7D::~POINT7D() 
{ 
 
} 
 
 
 
////////////////////////////////////////////////////////////////////////// 
double Distance(const POINT3D &p1 , const POINT3D &p2) 
{ 
	return (double)sqrt((p1.x - p2.x) * (p1.x - p2.x) +(p1.y - p2.y) * (p1.y - p2.y) +(p1.z - p2.z) * (p1.z - p2.z)); 
} 
 
POINT7D POINT7D::operator =(const POINT3D &point3d) 
{ 
    x = point3d.x; 
	y = point3d.y; 
	z = point3d.z; 
	w = point3d.w; 
	return (*this); 
}