private List<GridSquare> getGoodNeighbors(GridSquare current,bool[] visited,bool onlyUnexplored)
{
List<GridSquare> neighbors = new List<GridSquare>();
GridSquare[] squares = {current.Top,current.Left,current.Bottom,current.Right};
foreach (GridSquare s in squares)
{
if (s == null)
continue;
if (visited[s.getHash ()])
continue;
if (s.isBlocked ())
continue;
if (onlyUnexplored && current.isJunction()) {
if (current.Junction.hasExplored (s))
continue;
}
if (evaluateSquare (s,current,visited))
neighbors.Add (s);
}
return neighbors;
}
