// Triangle.h: interface for the CTriangle class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TRIANGLE_H__8BFDEC3D_B5F7_11D3_AB59_080039014899__INCLUDED_)
#define AFX_TRIANGLE_H__8BFDEC3D_B5F7_11D3_AB59_080039014899__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
////////////////////////////////////////////
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "pointpos.h"

enum POS//if a point belong a convexity
{
	POS_IN=1,//a point  belong a triangle or convexity
	POS_ON=2,//a point belong a circle or on the edge of convexity
	POS_OUT=0,//a point out of a circle or convexity
	POS_ERROR=-1,
};

typedef struct
{
	double x;
	double y;
	double z;
} POI;//point
////////////////////////////////////////////

class CTriangle : public CObject  
{
	DECLARE_SERIAL(CTriangle)
////////////////////////////////////////////
public:
	CTriangle(int p1,int p2,int p3);
    POS Where(CPointPos *pos);//判斷一點(diǎn)是否在本Triangle 的園 or Triangle 內(nèi)
	int m_p1,m_p2,m_p3;//Save triangle 三個(gè)頂點(diǎn)的坐標(biāo)數(shù)組的下標(biāo)
	double m_xc,m_yc;//外接圓心坐標(biāo)
	double m_rad;//外接圓Radius
	double m_x;double m_y;//重心
	double n1,n2,n3;//每邊中點(diǎn)處f的法向?qū)?shù)值
	//加上f1,f2,f3共19個(gè)控制點(diǎn)*****************8
	double b1,b2,b3,o;
	double c1,c2,c3;
	double e1,e2,e3;
	double d12,d13,d21,d23,d31,d32;
    //加上f1,f2,f3共19個(gè)控制點(diǎn)*****************8
////////////////////////////////////////////
	CTriangle();
	virtual ~CTriangle();
	virtual void Serialize(CArchive& ar);

};

#endif // !defined(AFX_TRIANGLE_H__8BFDEC3D_B5F7_11D3_AB59_080039014899__INCLUDED_)