private bool IsRoverWithinPlateu(GridSize grid, Position position) //TODO: move to helper class
{
if (position.X > grid.Width ||
position.X < 0 ||
position.Y > grid.Height ||
position.Y < 0)
{
return(false);
}
return(true);
}
public Position Move(GridSize plateuSize, Position position)
{
var initialPosition = position;
switch (position.Cardinality)
{
case Cardinality.N:
position.Y++;
break;
case Cardinality.E:
position.X++;
break;
case Cardinality.S:
position.Y--;
break;
case Cardinality.W:
position.X--;
break;
default:
throw new InvalidOperationException();
}
if (!IsRoverWithinPlateu(plateuSize, position))
{
//revert position change
position.X = initialPosition.X;
position.Y = initialPosition.Y;
//log message
}
return(position);
}