public GridArea AdjacentRight()
{
var nextTopLeft = _bottomRight.MoveToRowOf(_topLeft).MoveRight(1);
var nextBottomRight = _bottomRight.MoveRight(1);
return(new GridArea(nextTopLeft, nextBottomRight));
}
public void NextLevel()
{
_levelStartPosition = _orientation == GridOrientation.Horizontal
? _levelStartPosition.MoveDown(1)
: _levelStartPosition.MoveRight(1);
_currentSlot = new GridArea(_levelStartPosition, _levelStartPosition);
}