www.pudn.com > 3d_terrain.rar > Edge3d.h, change:1999-02-02,size:2337b

//******************************************** 
// Edge3d.h 
// class CEdge3d 
//******************************************** 
// An edge : 
// + Two vertex ref 
// + Two neighbors ref 
// + A flag 
//******************************************** 
// pierre.alliez@cnet.francetelecom.fr 
// Created : 15/12/97 
// Modified : 18/02/98 
//******************************************** 
 
#ifndef _EDGE_3D_ 
#define _EDGE_3D_ 
 
#include "Object3d.h" 
 
class CVertex3d; 
class CFace3d; 
 
class CEdge3d : public CObject3d 
{ 
 
private : 
 
	// Geometry 
	CVertex3d *m_pVertex1; 
	CVertex3d *m_pVertex2; 
 
	CFace3d *m_pFace1; 
	CFace3d *m_pFace2; 
 
	// Flag 
	char m_Flag; 
 
public : 
 
	CEdge3d(); 
	virtual ~CEdge3d() {} 
	 
	// Constructors 
	CEdge3d(CVertex3d *pVertex1,CVertex3d *pVertex2); 
	CEdge3d(CVertex3d *pVertex1,CVertex3d *pVertex2,CFace3d *pFace1,CFace3d *pFace2); 
	CEdge3d(CEdge3d *pEdge); 
 
	// Data setting 
	virtual int GetType(); 
 
	// Copy Edge 
	void Set(CEdge3d *pEdge); 
 
	// Vertices 
	void Set(CVertex3d *pVertex1,CVertex3d *pVertex2); 
	void v1(CVertex3d *pVertex) { m_pVertex1 = pVertex; } 
	void v2(CVertex3d *pVertex) { m_pVertex2 = pVertex; } 
 
	void v(int index,CVertex3d *pVertex) 
	{ 
		if(index == 0) 
			m_pVertex1 = pVertex; 
		else 
			m_pVertex2 = pVertex; 
	} 
 
	// Faces 
	void Set(CFace3d *pFace1,CFace3d *pFace2); 
	void f1(CFace3d *pFace) { m_pFace1 = pFace; } 
	void f2(CFace3d *pFace) { m_pFace2 = pFace; } 
	void f(int index,CFace3d *pFace) 
	{ 
		if(index == 0) 
			m_pFace1 = pFace; 
		else 
			m_pFace2 = pFace; 
	} 
 
	// Vertices 
	CVertex3d *v1(void) { return m_pVertex1; } 
	CVertex3d *v2(void) { return m_pVertex2; } 
	CVertex3d *v(int index) { return ((index == 0) ? m_pVertex1 : m_pVertex2); } 
	CVertex3d *GetVertexDiff(CVertex3d *pVertexDiff); 
 
	// Faces 
	CFace3d *f1(void) { return m_pFace1; } 
	CFace3d *f2(void) { return m_pFace2; } 
	CFace3d *f(int index) { return ((index == 0) ? m_pFace1 : m_pFace2); } 
 
	// Flag 
	void SetFlag(char flag) { m_Flag = flag; } 
	char GetFlag() { return m_Flag; } 
 
	// Processing 
	int Equal(CEdge3d *pEdge); 
	int sharp(float threshold); // threshold : sin(angle) 
 
	// OpenGL 
	void glDrawHighlight(unsigned char *color); 
	void glDrawHighlight(unsigned char *color,unsigned char *ColorNeighbor); 
 
}; 
 
#endif // _EDGE_3D_