public static Face create(Vertex[] vtxArray, int[] indices)
{
Face face = new Face();
HalfEdge hePrev = null;
for (int i = 0; i < indices.Length; i++)
{
HalfEdge he = new HalfEdge(vtxArray[indices[i]], face);
if (hePrev != null)
{
he.setPrev(hePrev);
hePrev.setNext(he);
}
else
{
face.he0 = he;
}
hePrev = he;
}
face.he0.setPrev(hePrev);
hePrev.setNext(face.he0);
// compute the normal and offset
face.computeNormalAndCentroid();
return(face);
}