public bool AddBridge(int x, int y)
{
Coordinate coord = new Coordinate(x, y);
bool created = false;
foreach (var elem in grid)
{
if (coord.Compare(elem.Key.x, elem.Key.y))
{
if (elem.Value != GridSpaceStatus.E)
{
break;
}
else
{
grid[coord] = GridSpaceStatus.E;
created = true;
break;
}
}
}
return(created);
}