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//********************************************
// Edge3d.cpp
//********************************************
// class CEdge3d
//********************************************
// alliez@usc.edu
// Created : 10/12/97
// Modified : 16/12/97
//********************************************
#include "stdafx.h"
#include "Base3d.h"
#include "Edge3d.h"
//////////////////////////////////////////////
//////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////
//////////////////////////////////////////////
//********************************************
// Constructor
//********************************************
CEdge3d::CEdge3d()
{
m_pVertex1 = NULL;
m_pVertex2 = NULL;
m_pFace1 = NULL;
m_pFace2 = NULL;
m_Flag = 0;
}
//********************************************
// Constructor
//********************************************
CEdge3d::CEdge3d(CVertex3d *pVertex1,
CVertex3d *pVertex2)
{
Set(pVertex1,pVertex2);
m_pFace1 = NULL;
m_pFace2 = NULL;
m_Flag = 0;
}
//********************************************
// Constructor
//********************************************
CEdge3d::CEdge3d(CVertex3d *pVertex1,
CVertex3d *pVertex2,
CFace3d *pFace1,
CFace3d *pFace2)
{
Set(pVertex1,pVertex2);
Set(pFace1,pFace2);
m_Flag = 0;
}
//********************************************
// Constructor
//********************************************
CEdge3d::CEdge3d(CEdge3d *pEdge)
{
Set(pEdge);
m_Flag = 0;
}
//////////////////////////////////////////////
//////////////////////////////////////////////
// DATAS
//////////////////////////////////////////////
//////////////////////////////////////////////
//********************************************
// GetType
//********************************************
int CEdge3d::GetType()
{
return TYPE_EDGE3D;
}
//********************************************
// Set
//********************************************
void CEdge3d::Set(CVertex3d *pVertex1,
CVertex3d *pVertex2)
{
m_pVertex1 = pVertex1;
m_pVertex2 = pVertex2;
}
//********************************************
// Set
//********************************************
void CEdge3d::Set(CFace3d *pFace1,
CFace3d *pFace2)
{
m_pFace1 = pFace1;
m_pFace2 = pFace2;
}
//********************************************
// Set
//********************************************
void CEdge3d::Set(CEdge3d *pEdge)
{
Set(pEdge->v1(),pEdge->v2());
Set(pEdge->f1(),pEdge->f2());
}
//////////////////////////////////////////////
//////////////////////////////////////////////
// PROCESSING
//////////////////////////////////////////////
//////////////////////////////////////////////
//********************************************
// sharp
// threshold : sin(angle)
//********************************************
int CEdge3d::sharp(float threshold)
{
// Check
if(m_pFace1 == NULL ||
m_pFace2 == NULL)
return 0;
return (SinAngle(m_pFace1,m_pFace2) >= threshold);
}
//********************************************
// Equal (order independant)
//********************************************
int CEdge3d::Equal(CEdge3d *pEdge)
{
int success = 0;
success += m_pVertex1 == pEdge->v1();
success += m_pVertex1 == pEdge->v2();
success += m_pVertex2 == pEdge->v1();
success += m_pVertex2 == pEdge->v2();
return (success >= 2);
}
//********************************************
// GetVertexDiff
//********************************************
CVertex3d *CEdge3d::GetVertexDiff(CVertex3d *pVertexDiff)
{
if(m_pVertex1 != pVertexDiff)
return m_pVertex1;
else
{
ASSERT(m_pVertex2 != pVertexDiff);
return m_pVertex2;
}
}
//////////////////////////////////////////////
//////////////////////////////////////////////
// OPENGL
//////////////////////////////////////////////
//////////////////////////////////////////////
//********************************************
// glDrawHighlight
// Highlights edge
//********************************************
void CEdge3d::glDrawHighlight(unsigned char *color)
{
// Color
glColor3ub(color[0],color[1],color[2]);
::glBegin(GL_LINES);
::glVertex3f(m_pVertex1->x(),m_pVertex1->y(),m_pVertex1->z());
::glVertex3f(m_pVertex2->x(),m_pVertex2->y(),m_pVertex2->z());
::glEnd();
}
//********************************************
// glDrawHighlight
// Highlights edge and neighbors
//********************************************
void CEdge3d::glDrawHighlight(unsigned char *color,
unsigned char *ColorNeighbor)
{
// Color
glColor3ub(color[0],color[1],color[2]);
::glBegin(GL_LINES);
::glVertex3f(m_pVertex1->x(),m_pVertex1->y(),m_pVertex1->z());
::glVertex3f(m_pVertex2->x(),m_pVertex2->y(),m_pVertex2->z());
::glEnd();
m_pFace1->glDraw(ColorNeighbor);
m_pFace2->glDraw(ColorNeighbor);
}
// ** EOF **
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