/// <summary>
/// Can two faces be connected.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="dim"></param>
/// <returns></returns>
public static bool AreConnectable(FaceConnector a, FaceConnector b, int dim)
{
if (a.HashCode != b.HashCode)
{
return(false);
}
var av = a.Vertices;
var bv = b.Vertices;
return(!av.Where((t, i) => t != bv[i]).Any());
}
/// <summary>
/// Get an unused face connector. If none is available, create it.
/// </summary>
/// <returns></returns>
public FaceConnector GetConnector()
{
if (_connectorStack == null)
{
return(new FaceConnector(_dimension));
}
var ret = _connectorStack;
_connectorStack = _connectorStack.Next;
ret.Next = null;
return(ret);
}
/// <summary>
/// Store a face connector in the "embedded" linked list.
/// </summary>
/// <param name="connector"></param>
public void DepositConnector(FaceConnector connector)
{
if (_connectorStack == null)
{
connector.Next = null;
_connectorStack = connector;
}
else
{
connector.Next = _connectorStack;
_connectorStack = connector;
}
}
/// <summary>
/// Connect two faces.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
public static void Connect(FaceConnector a, FaceConnector b)
{
a.Face.AdjacentFaces[a.EdgeIndex] = b.Face.Index;
b.Face.AdjacentFaces[b.EdgeIndex] = a.Face.Index;
}
