public static InternalRoadJunctionEdge GetOpositeEdge( this RoadJunctionBlock junction, InternalRoadJunctionEdge edge )
{
Debug.Assert( junction.JunctionEdges.Length == EdgeType.Count );
var idex = Array.IndexOf( junction.JunctionEdges, edge );
if ( idex < 0 ) { throw new ArgumentException(); }
return junction.JunctionEdges[ ( idex + 2 ) % 4 ];
}
public InternalRoadJunctionEdgeVertexContainer( InternalRoadJunctionEdge edge )
: base( edge, Color.White )
{
this._edge = edge;
}