public GridNode(Grid2D grid, int x, int y, bool isWall)
{
Grid = grid;
X = x;
Y = y;
IsWall = isWall;
}
public static void Main(string[] args)
{
var grid = new Grid2D(20, 20, 25, 0, 0, 19, 19);
var astar = new AStar(grid.Start, grid.Goal);
var result = astar.Run();
Console.WriteLine(result);
var output = grid.Print(astar.GetPath());
Console.WriteLine(output);
Console.ReadLine();
}