private GameCell GetMoveInDirection(Vector2 currentPosition)
{
GameCell move = GetMove(currentPosition, direction);
if (move != null && move.IsEmpty())
{
return(move);
}
// switch to oposite direction
this.direction = GetOpositeDirection(direction);
move = GetMove(currentPosition, direction);
if (move != null && move.IsEmpty())
{
return(move);
}
return(null);
}