public MirrorNode(Node parentNode, Bone referenceBone)
{
this.ReferenceBone = referenceBone;
Node = parentNode.CreateChild(ReferenceBone.InitialPosition, ReferenceBone.InitialOrientation);
Children = new List<MirrorNode>(ReferenceBone.NumChildren());
foreach (Bone bone in referenceBone.GetChildIterator().OfType<Bone>())
Children.Add(new MirrorNode(Node, bone));
}