private void MoveRobotOneStepOn(Direction direction)
{
var x = 0;
var y = 0;
switch (direction)
{
case Direction.South:
y = -1;
break;
case Direction.North:
y = 1;
break;
case Direction.East:
x = 1;
break;
case Direction.West:
x = -1;
break;
default:
throw new ArgumentOutOfRangeException("direction");
}
if (robot.MoveDelta(x, y))
{
CleanAtPosition();
}
}
public bool MoveDelta(int x, int y)
{
var currentPosition = engine.CurrentAbsolutePosition;
var newPosition = currentPosition.MoveDelta(x, y);
if (!grid.isPostionOnGrid(newPosition))
{
return(false);
}
return(engine.MoveDelta(x, y));
}