public void BFSButton()
{
ClearHighlightPath();
ClearAllCostLabels();
path = pathfind.BFS(startNode, targetNode);
HighlightPath(path);
}
// Use this for initialization
void Start()
{
Pathfind.BFS(tiles, tiles[1][1], tiles[(int)size.x - 1][(int)size.y - 1], null);
Pathfind.ShowMoves(tiles, tiles[9][9], 3, 1);
}