private void _DeleteElement(IHEMeshNode element, IList list)
{
if (element.IsDeleted)
{
return;
}
var id = element.ID;
Debugs.CheckRange(id, 0, list.Count);
var v = list[id];
if (v != element)
{
throw new InvalidOperationException("The element is not belong to this mesh!");
}
var lastID = list.Count - 1;
if (id != lastID)
{
var last = list[lastID] as IHEMeshNode;
last.ID = id;
list[id] = last;
}
list.RemoveAt(lastID);
element.Dispose();
}
public Vector3D GetFaceNormal(int fid)
{
Debugs.CheckRange(fid, 0, FaceCount);
if (HasFaceNormals)
{
return(_facesNormals[fid]);
}
throw new InvalidOperationException("Please call UpdateFaceNormals() method before invoke GetNormal() method!");
}
public Vector3D GetVertexNormal(int vid)
{
Debugs.CheckRange(vid, 0, VertexCount);
if (HasVerticeNormals)
{
return(_verticeNormals[vid]);
}
throw new InvalidOperationException("Please call UpdateVerticeNormals() method before invoke GetNormal() method!");
}
public HEFace GetFace(int fid)
{
Debugs.CheckRange(fid, 0, FaceCount);
return(_faces[fid]);
}
internal HEEdge GetHEdge(int eid)
{
Debugs.CheckRange(eid, 0, HEdgeCount);
return(_hedges[eid]);
}
public HEdge GetEdge(int eid)
{
Debugs.CheckRange(eid, 0, EdgeCount);
return(_edges[eid]);
}
public HEVertex GetVertex(int vid)
{
Debugs.CheckRange(vid, 0, VertexCount);
return(_vertices[vid]);
}
public Vector3D GetPosition(int vid)
{
Debugs.CheckRange(vid, 0, VertexCount);
return(_vertices[vid].Position);
}
public IndexN <int> GetVerticeOfFace(int fid)
{
Debugs.CheckRange(fid, 0, FaceCount);
return(new IndexN <int>(_faces[fid].GetVertice().Select(v => v.ID)));
}
public void DeleteVertex(int vid)
{
Debugs.CheckRange(vid, 0, VertexCount);
DeleteVertex(_vertices[vid]);
}
internal HEdge AddEdge(int vid1, int vid2)
{
Debugs.CheckRange(vid1, 0, VertexCount);
Debugs.CheckRange(vid2, 0, VertexCount);
return(AddEdge(_vertices[vid1], _vertices[vid2]));
}
public bool IsConnected(int vid1, int vid2)
{
Debugs.CheckRange(vid1, 0, VertexCount);
Debugs.CheckRange(vid2, 0, VertexCount);
return(IsConnected(_vertices[vid1], _vertices[vid2]));
}
public HEdge EdgeBetween(int vid1, int vid2)
{
Debugs.CheckRange(vid1, 0, VertexCount);
Debugs.CheckRange(vid2, 0, VertexCount);
return(EdgeBetween(_vertices[vid1], _vertices[vid2]));
}
public IndexN <int> GetNeighborFaceOfFace(int fid)
{
Debugs.CheckRange(fid, 0, FaceCount);
return(new IndexN <int>(_faces[fid].GetAdjacentFaces().Select(f => f.ID)));
}
public IndexN <int> GetEdgesOfFace(int fid)
{
Debugs.CheckRange(fid, 0, FaceCount);
return(new IndexN <int>(_faces[fid].GetEdges().Select(edge => edge.ID)));
}
public IndexN <int> GetNeighborVerticeOfVertex(int vid)
{
Debugs.CheckRange(vid, 0, VertexCount);
return(new IndexN <int>(_vertices[vid].GetAdjacentVertice().Select(v => v.ID)));
}