// --- Copia ---
AM_Boundary CopyBoundary(AM_Mesh2d source, AM_Mesh2d dest,
bool bSameGenVertex = true)
{
AM_Boundary pCopy = new AM_Boundary();
pCopy.m_LoopIndex = m_LoopIndex;
if (bSameGenVertex)
{
// Il numero dei vertici generati è lo stesso;
// viene normalmente usato in caso di 'merge' tra due mesh adiacenti
pCopy.m_ArrayCoord.Capacity = m_ArrayCoord.Count;
for (int i = 0; i < m_ArrayCoord.Count; i++)
{
pCopy.m_ArrayCoord[i] = m_ArrayCoord[i];
}
pCopy.m_GenVertexArray.Capacity = m_GenVertexArray.Count;
for (int i = 0; i < m_GenVertexArray.Count; i++)
{
pCopy.m_GenVertexArray[i] = m_GenVertexArray[i];
}
// Trova il primo vertice
int destVertex = dest.ArrayVertexes.Count;
int nVertex = dest.AddVertex(new Point2d(m_ArrayCoord[0]), m_ArrayCoord[0].Z);
Debug.Assert(nVertex < destVertex); // non vengono aggiunti vertici
AM_Vertex pVertex = dest.ArrayVertexes[nVertex];
pVertex.Flag |= 0x01;
pCopy.m_ArrayVertex.Add(pVertex);
for (int i = 1; i < m_ArrayCoord.Count; i++)
{
Point2d ptDest = new Point2d(m_ArrayCoord[i]);
AM_Edge pEdge = pVertex.Edge;
AM_Edge pNextEdge = pEdge.Next;
while ((ptDest - pNextEdge.DestCoord()).Length > AM_Util.FLT_EPSILON)
{
if (pNextEdge == pEdge)
{
Debug.Assert(false);
nVertex = dest.AddVertex(ptDest, 0);
Debug.Assert(nVertex < destVertex);
pNextEdge = dest.ArrayVertexes[nVertex].Edge.Symm();
break;
}
pNextEdge = pNextEdge.Next;
}
pVertex = pNextEdge.Destination();
pVertex.Flag |= 0x01;
pCopy.m_ArrayVertex.Add(pVertex);
}
Debug.Assert(pCopy.m_ArrayVertex.Count == m_ArrayVertex.Count);
}
else
{
// Il numero dei vertici generati è diverso;
// viene normalmente usato in caso di ricostruzione di contorni
pCopy.m_GenVertexArray.Capacity = m_GenVertexArray.Count;
for (int i = 1; i < m_GenVertexArray.Count; i++)
{
Point2d p0 = new Point2d(m_ArrayCoord[m_GenVertexArray[i - 1]]);
Point2d p1 = new Point2d(m_ArrayCoord[m_GenVertexArray[i]]);
AM_Vertex pV0 = dest.RangeSearch.Search(p0.X, p0.Y);
AM_Vertex pV1 = dest.RangeSearch.Search(p1.X, p1.Y);
Debug.Assert(pV0 != null && pV1 != null);
// La direzione è data dal vettore p0-p1
Vector2d vDir = (p1 - p0);
vDir.Unitize();
pCopy.m_GenVertexArray[i - 1] = pCopy.m_ArrayCoord.Count;
AM_Vertex pV = pV0;
while (pV != pV1)
{
pCopy.m_ArrayCoord.Add(new Point3d(pV.Coord.X, pV.Coord.Y, 0));
pCopy.m_ArrayVertex.Add(pV);
// Trova il vertice successivo
double minCos = -double.MaxValue;
AM_Edge pEdge = pV.Edge;
AM_Edge pDirEdge = null;
do
{
double dirCos = pEdge.GetVersor() * vDir;
if (dirCos > minCos)
{
minCos = dirCos;
pDirEdge = pEdge;
}
pEdge = pEdge.Next;
} while (pEdge != pV.Edge);
Debug.Assert(AM_Util.IsEqual(minCos, 1));
pV = pDirEdge.Destination();
}
}
}
return(pCopy);
}
