/// <summary>
/// Constructor used when landing the rover.
/// </summary>
/// <param name="x">The x coordinate of the landing site.</param>
/// <param name="y">The y coordinate of the landing site.</param>
/// <param name="orientation">The rovers starting orientation.</param>
/// <param name="board">The plateau the rover will land on.</param>
public MarsRover(int x, int y, Orientation orientation, Board.Board board)
{
_board = board;
_boardPeice = _board.Place(x, y);
Orientation = orientation;
AssertDrivable();
}