void GW_Mesh::CheckIntegrity()
{
for( GW_U32 i=0; i<this->GetNbrVertex(); ++i )
{
GW_Vertex* pVert = this->GetVertex(i); GW_ASSERT( pVert!=NULL );
GW_Face* pFace = pVert->GetFace(); GW_ASSERT( pFace!=NULL );
if( pFace!=NULL && pFace->GetVertex(0)!=pVert &&
pFace->GetVertex(1)!=pVert &&
pFace->GetVertex(2)!=pVert )
GW_ASSERT( GW_False );
}
for( GW_U32 i=0; i<this->GetNbrFace(); ++i )
{
GW_Face* pFace = this->GetFace(i); GW_ASSERT( pFace!=NULL );
for( GW_U32 k=0; k<3; ++k )
{
GW_U32 k1 = (k+1)%3;
GW_U32 k2 = (k+2)%3;
GW_Face* pNeighFace = pFace->GetFaceNeighbor(k);
GW_Vertex* pV1 = pFace->GetVertex(k1); GW_ASSERT( pV1!=NULL );
GW_Vertex* pV2 = pFace->GetVertex(k2); GW_ASSERT( pV2!=NULL );
if( pNeighFace!=NULL )
{
GW_ASSERT( pNeighFace->GetFaceNeighbor(*pV1, *pV2)==pFace );
GW_ASSERT( pFace->GetFaceNeighbor(*pV1, *pV2)==pNeighFace);
}
}
}
}
/*------------------------------------------------------------------------------*/
GW_Vertex* GW_Mesh::GetRandomVertex()
{
GW_U32 nNumber = 0;
GW_Vertex* pStartVertex = NULL;
while( pStartVertex==NULL )
{
if( nNumber>=this->GetNbrVertex()/10 )
return NULL;
GW_U32 nNumVert = (GW_U32) floor(GW_RAND*this->GetNbrVertex());
pStartVertex = this->GetVertex( nNumVert );
if( pStartVertex->GetFace()==NULL )
pStartVertex = NULL;
nNumber++;
}
return pStartVertex;
}
