private void BuildEdges()
{
/*
* ^---->
| |
| |
| |
| <----v
*/
Edges = new List <string>();
Edges.Add(new string(TileSchema.First().ToArray())); //Top
Edges.Add(new string(TileSchema.Select(row => row.Last()).ToArray())); //Right
Edges.Add(new string(TileSchema.Last().Reverse <char>().ToArray())); //Bottom
Edges.Add(new string(TileSchema.Select(row => row.First()).Reverse <char>().ToArray())); //Left
//Flip
var flippedEdges = Edges.Select(s => new string(s.Reverse().ToArray())).ToList();
Edges.Add(flippedEdges[2]); // Former Bottom; now top
Edges.Add(flippedEdges[1]);
Edges.Add(flippedEdges[0]); // Former Top, now bottom
Edges.Add(flippedEdges[3]);
}
