point.cpp

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#include "hexagon_map/point.h"
#include <math.h>

CPoint2d::CPoint2d(void)
:x(0.0),y(0.0),pointangle(0.0)
{
}

CPoint2d::CPoint2d(float x,float y)
{
        this->x = x;
        this->y = y;
}

// Îö¹¹º¯Êý
CPoint2d::~CPoint2d(void)
{
}

// ¸´Öƹ¹Ô캯Êý
CPoint2d::CPoint2d(const CPoint2d& tmpP)
{
        this->x = tmpP.x;
        this->y = tmpP.y;
        this->pointangle = tmpP.pointangle;     
}

CPoint2d & CPoint2d::operator += ( const CPoint2d & p)
{
        this->x += p.x;
        this->y += p.y;
        return *this;
}
CPoint2d & CPoint2d::operator -= (const CPoint2d & p)
{
        this->x -= p.x;
        this->y -= p.y;
        return *this;
}
CPoint2d & CPoint2d::operator *= (float s )
{
        this->x *= s;
        this->y *= s;
        return *this;
}
CPoint2d & CPoint2d::operator /= (float s )
{
        this->x /= s;
        this->y /= s;
        return *this;
}

// ÖØÔØÔËËã·ûΪÓÑÔªº¯Êý
CPoint2d operator + (const CPoint2d &p1 ,const CPoint2d &p2)    // Ïà¼Ó
{       
        CPoint2d po;
        po.x = p1.x + p2.x;
        po.y = p1.y + p2.y;
        return po;
}
CPoint2d operator - (const CPoint2d &p1 ,const CPoint2d &p2)    // 
{       
        CPoint2d po;
        po.x = p1.x - p2.x;
        po.y = p1.y - p2.y;
        return po;
}
CPoint2d operator * ( const CPoint2d &p , float s )
{
        CPoint2d po;
        po.x = p.x * s;
        po.y = p.y * s;
        return po;
}
double operator * ( const CPoint2d &p1 ,const CPoint2d &p2 )
{
        return ( p1.x*p2.x + p1.y*p2.y );
}
CPoint2d operator / (const CPoint2d &p ,float num)                      // ³ýÒÔÒ»¸öÕûÊý
{               
        if(num != 0)
        {   
                CPoint2d po;
                po.x = p.x / num;
                po.y = p.y / num;
                return po;
        }
        else 
        {
                return CPoint2d(0,0);
        }
}

bool operator == (const CPoint2d &p1,const CPoint2d &p2)        // ÏàµÈ
{
        if(p1.x==p2.x && p1.y==p2.y )
                return true;
        else 
                return false;
}
bool operator != (const CPoint2d &p1,const CPoint2d &p2)        // ²»µÈ
{
        if(p1.x==p2.x && p1.y==p2.y)
                return false;
        else 
                return true;
}

// µãµ½Ô­µãµÄ¾àÀë
//double CPoint2d::Dist(void)
//{
//      return sqrt(x*x+y*y);
//}

// µãµ½ÁíÒ»¸öµãµÄ¾àÀë
float CPoint2d::Dist(const CPoint2d &p)
{
        return sqrt((x-p.x)*(x-p.x)+(y-p.y)*(y-p.y));
}