public void AddFace(Vector3[] positions)
{
int length = positions.Length;
HE_Vertex[] vertices = new HE_Vertex[length];
HE_Edge[] edges = new HE_Edge[length];
HE_Face face = new HE_Face();
for (int i = 0; i < length; ++i)
{
vertices[i] = new HE_Vertex();
edges[i] = new HE_Edge();
}
for (int i = 0; i < length; ++i)
{
vertices[i].pos_ = positions[i];
vertices[i].edge_ = edges[i];
edges[i].vert_ = vertices[i];
edges[i].next_ = edges[(i + 1) % length];
edges[i].prev_ = edges[(i + length - 1) % length];
edges[i].face_ = face;
}
face.edge_ = edges[0];
faces.Add(face);
}
void SolvePair(HE_Face face)
{
HE_Edge edge = face.edge_;
do
{
foreach (HE_Face f in faces)
{
if (f == face)
{
continue;
}
HE_Edge pair = f.FindEdge(edge.next_.vert_.pos_, edge.vert_.pos_);
if (pair != null)
{
edge.pair_ = pair;
pair.pair_ = edge;
break;
}
}
edge = edge.next_;
} while (edge != face.edge_);
}