private static void TestVertexType(Vertex vert, Face face, out VertexType vertType)
{
var heStartingAtFace = _geometry.GetVertexStartingHalfEdges(vert.Handle).ToList();
var incidentHalfEdge = new HalfEdge();
foreach (var he in heStartingAtFace)
{
var incidentFace = he.IncidentFace;
if (!incidentFace.Equals(face.Handle))
{
continue;
}
incidentHalfEdge = he;
break;
}
HalfEdge nextHalfEdge;
Vertex nextVert;
HalfEdge prevHalfEdge;
Vertex prevVert;
nextHalfEdge = _geometry.GetHalfEdgeByHandle(incidentHalfEdge.NextHalfEdge);
nextVert = _geometry.GetVertexByHandle(nextHalfEdge.OriginVertex);
prevHalfEdge = _geometry.GetHalfEdgeByHandle(incidentHalfEdge.PrevHalfEdge);
prevVert = _geometry.GetVertexByHandle(prevHalfEdge.OriginVertex);
if (IsUnderVert(face, vert, nextVert) && IsUnderVert(face, vert, prevVert))
{
if (_geometry.IsAngleGreaterPi(face, nextVert, vert, prevVert))
{
vertType = VertexType.SplitVertex;
}
else
{
vertType = VertexType.StartVertex;
}
}
else if (IsOverVert(face, vert, nextVert) && IsOverVert(face, vert, prevVert))
{
if (_geometry.IsAngleGreaterPi(face, nextVert, vert, prevVert))
{
vertType = VertexType.MergeVertex;
}
else
{
vertType = VertexType.EndVertex;
}
}
else
{
vertType = VertexType.RegularVertex;
}
}
