Egalware/EgtGeomKernel
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EgtGeomKernel :

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- aggiunta delle coordinate U e V ai vertici delle TriMesh.
Manca da modificare :
- funzione MoveVertex.
This commit is contained in:
Daniele Bariletti
2023-09-18 10:21:49 +02:00
parent 419d325409
commit cb0452a248
4 changed files with 58 additions and 9 deletions
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SurfTriMesh.cpp
+44 -2
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@@ -107,7 +107,7 @@ SurfTriMesh::Clear( void)
//----------------------------------------------------------------------------
int
SurfTriMesh::AddVertex( const Point3d& ptVert)
SurfTriMesh::AddVertex( const Point3d& ptVert, const double dU, const double dV)
{
// imposto ricalcolo
m_nStatus = TO_VERIFY ;
@@ -118,7 +118,11 @@ SurfTriMesh::AddVertex( const Point3d& ptVert)
try { m_vVert.emplace_back( ptVert) ;}
catch(...) { return SVT_NULL ;}
// ne determino l'indice
return int( m_vVert.size() - 1) ;
int nId = int( m_vVert.size() - 1) ;
// aggiugo le coordinate corrispondenti allo spazio parametrico
m_vVert[nId].dU = dU ;
m_vVert[nId].dV = dV ;
return nId ;
}
//----------------------------------------------------------------------------
@@ -475,6 +479,19 @@ SurfTriMesh::GetVertex( int nId, Point3d& ptP) const
return true ;
}
//----------------------------------------------------------------------------
bool
SurfTriMesh::GetVertexParam( int nId, double& dU, double& dV) const
{
// verifico esistenza del vertice
if ( nId < 0 || nId >= GetVertexSize() || m_vVert[nId].nIdTria == SVT_DEL)
return false ;
// recupero i dati
dU = m_vVert[nId].dU ;
dV = m_vVert[nId].dV ;
return true ;
}
//----------------------------------------------------------------------------
int
SurfTriMesh::GetFirstVertex( Point3d& ptP) const
@@ -482,6 +499,13 @@ SurfTriMesh::GetFirstVertex( Point3d& ptP) const
return GetNextVertex( SVT_NULL, ptP) ;
}
//----------------------------------------------------------------------------
int
SurfTriMesh::GetFirstVertexParam( int nId, double& dU, double& dV) const
{
return GetNextVertexParam( SVT_NULL, dU, dV) ;
}
//----------------------------------------------------------------------------
int
SurfTriMesh::GetNextVertex( int nId, Point3d& ptP) const
@@ -499,6 +523,24 @@ SurfTriMesh::GetNextVertex( int nId, Point3d& ptP) const
return nId ;
}
//----------------------------------------------------------------------------
int
SurfTriMesh::GetNextVertexParam( int nId, double& dU, double& dV) const
{
// cerco il primo successivo valido
do {
nId ++ ;
} while ( nId < GetVertexSize() && m_vVert[nId].nIdTria == SVT_DEL) ;
// se oltrepassata fine
if ( nId >= GetVertexSize())
return SVT_NULL ;
// recupero i dati
dU = m_vVert[nId].dU ;
dV = m_vVert[nId].dV ;
// ritorno indice triangolo corrente
return nId ;
}
//----------------------------------------------------------------------------
bool
SurfTriMesh::GetTriangle( int nId, int nIdVert[3]) const