?? triangle.cpp
字號(hào):
// Triangle.cpp: implementation of the CTriangle class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "Delaunay.h"
#include "pointpos.h"
#include "Triangle.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_SERIAL(CTriangle,CObject,1) //
CTriangle::CTriangle()
{
}
CTriangle::~CTriangle()
{
}
void CTriangle::Serialize(CArchive& ar) //////
{
if(ar.IsStoring())
{
ar<<m_p1<<m_p2<<m_p3;
ar<<m_xc<<m_yc<<m_rad;
ar<<m_x<<m_y;
}
else
{
ar>>m_p1>>m_p2>>m_p3;
ar>>m_xc>>m_yc>>m_rad;
ar>>m_x>>m_y;
}
}
POS CTriangle::Where(CPointPos *pos)
{
//點(diǎn)與外接圓
//think of 點(diǎn)在邊上,?????
double distance;
distance=sqrt((pos->m_x-m_xc)*(pos->m_x-m_xc)+(pos->m_y-m_yc)*(pos->m_y-m_yc));
if(fabs(distance-m_rad)<0.0000000001)
{
AfxMessageBox("Four points in a circle,need a new ponit");
return POS_ERROR;
}
if(distance<m_rad)
{
return POS_ON;//in circle =2;
}
return POS_OUT;//0
}
CTriangle::CTriangle(int p1, int p2, int p3)
{
m_p1=p1;
m_p2=p2;
m_p3=p3;
}
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