// Face.h: interface for the Face class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FACE_H__40242DED_D29D_4133_8A82_F360A5F3AB38__INCLUDED_)
#define AFX_FACE_H__40242DED_D29D_4133_8A82_F360A5F3AB38__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000



#include <vector>
using namespace std;
#include "Mesh.h"

class Mesh;


class Face  
{
public:
	void reset();
	void dump() const;
	void addEdge(Mesh::EDGEPOS edgeIdx) { 	m_edgePosSet.push_back(edgeIdx); };//添加邊
	int getVertexNumber();//獲取頂點(diǎn)數(shù)量
	Face(vector<int> & faceVertexsIdx, int idx = -1);//vector<Mesh::VERTEXPOS>
	virtual ~Face();
	int m_index;						// 用index避免整塊face數(shù)據(jù)的比較
	bool operator == (const Face& f) const;
private:
	int m_newFacePointIdx;//新面點(diǎn)的索引
	Vector3d	m_normal;//法線
	typedef vector<int> VERTEXPOSSET;			//vector<Mesh::VERTEXPOS>
	typedef vector<Mesh::EDGEPOS>	EDGEPOSSET;
	VERTEXPOSSET	m_vertexIdxSet;
	VERTEXPOSSET	m_dooSabinVertexIdxSet;
	EDGEPOSSET		m_edgePosSet;	// edge i 對(duì)應(yīng) i - (i+1)% vertexs number

	friend class Mesh;
//	friend void Mesh::prepareSubdivData();
//	friend void Mesh::calcSubdivVertex();
//	friend Mesh;
};

#endif // !defined(AFX_FACE_H__40242DED_D29D_4133_8A82_F360A5F3AB38__INCLUDED_)