private HEdge _NewEdge()
{
var ret = new HEdge();
ret.ID = _edges.Count;
_edges.Add(ret);
return(ret);
}
public void Dispose()
{
_id = HEMesh.InvaildID;
_vertexTo = null;
_relativeFace = null;
_relativeEdge = null;
_nextEdge = null;
_preEdge = null;
_oppEdge = null;
}
internal HEEdge(int id, HEVertex goingTo, HEFace relativeFace, HEdge relativeEdge, HEEdge nextEdge, HEEdge preEdge, HEEdge oppEdge)
{
_id = id;
_vertexTo = goingTo;
_relativeFace = relativeFace;
_relativeEdge = relativeEdge;
_nextEdge = nextEdge;
_preEdge = preEdge;
_oppEdge = oppEdge;
}
internal void DeleteEdge(HEdge edge)
{
if (edge == null || edge.IsDeleted)
{
return;
}
var h1 = edge.Relative;
var h2 = h1.OppEdge;
if (edge.IsIsolated)
{
var v_from_h1 = h1.VertexFrom;
var v_from_h2 = h2.VertexFrom;
var h1_next = h1.RotateNext;
var h2_next = h2.RotateNext;
if (v_from_h1.OuterGoing == h1)
{
v_from_h1.OuterGoing = h1_next == h1 ? null : h1_next;
}
if (v_from_h2.OuterGoing == h2)
{
v_from_h2.OuterGoing = h2_next == h2 ? null : h2_next;
}
var h1_to = h1.PreEdge;
var h2_to = h2.PreEdge;
h1_to.NextEdge = h1_next;
h1_next.PreEdge = h1_to;
h2_to.NextEdge = h2_next;
h2_next.PreEdge = h2_to;
_DeleteHEdge(h1);
_DeleteHEdge(h2);
_DeleteEdge(edge);
}
else
{
DeleteFace(h1.RelativeFace);
DeleteFace(h2.RelativeFace);
}
}
private void _DeleteEdge(HEdge edge)
{
_DeleteElement(edge, _edges);
}
