/// <summary>
/// SpinRight to change the direction of Rover based on input of Controller.
/// Skips the action of controller if it finds another rover for the action.
/// </summary>
public void spinRight()
{
char currentDirection = getDirection();
switch (currentDirection)
{
case 'N':
if (!(MarsHelper.checkCollision(_xcoord, _ycoord, 'E')))
{
setDirection('E');
}
break;
case 'W':
if (!(MarsHelper.checkCollision(_xcoord, _ycoord, 'N')))
{
setDirection('N');
}
break;
case 'S':
if (!(MarsHelper.checkCollision(_xcoord, _ycoord, 'W')))
{
setDirection('W');
}
break;
case 'E':
if (!(MarsHelper.checkCollision(_xcoord, _ycoord, 'S')))
{
setDirection('S');
}
break;
}
}
/// <summary>
/// Advance method to change the co-ordinates based on controller input.
/// Skips the action of controller if it finds another rover for the action,
/// or crosses the boundary limits.
/// </summary>
public void advance()
{
char currentDirection = getDirection();
switch (currentDirection)
{
case 'N':
if ((_ycoord + 1 <= Plateau.getMaxy()) && (_ycoord + 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord, _ycoord + 1, _direction))))
{
_ycoord = _ycoord + 1;
}
break;
case 'W':
if ((_xcoord - 1 <= Plateau.getMaxx()) && (_xcoord - 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord - 1, _ycoord, _direction))))
{
_xcoord = _xcoord - 1;
}
break;
case 'E':
if ((_xcoord + 1 <= Plateau.getMaxx()) && (_xcoord + 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord + 1, _ycoord, _direction))))
{
_xcoord = _xcoord + 1;
}
break;
case 'S':
if ((_ycoord - 1 <= Plateau.getMaxy()) && (_ycoord - 1 >= 0) && (!(MarsHelper.checkCollision(_xcoord, _ycoord - 1, _direction))))
{
_ycoord = _ycoord - 1;
}
break;
}
}