private Position DoMove(TurtleAction action)
{
if (action != TurtleAction.M)
{
return(Turtle.CurrentPosition);
}
var position = Turtle.CurrentPosition;
var x = 0;
var y = 0;
switch (position.Direction)
{
case Direction.E:
y += 1;
break;
case Direction.W:
y -= 1;
break;
case Direction.N:
x -= 1;
break;
case Direction.S:
x += 1;
break;
}
var p = new Point(position.Position.X + x, position.Position.Y + y);
position.Position = p;
return(position);
}
/// <summary>
/// Loads the actions from a dynamic seq and a list of TurtleActions
/// </summary>
/// <param name="seq">dynamic Sequence node from the json</param>
/// <returns>Enumerable of TurtleAction</returns>
private IEnumerable <TurtleAction> GetActions(dynamic seq)
{
foreach (var step in seq.Steps)
{
TurtleAction act = step.Action == "M" ? TurtleAction.Move : TurtleAction.Rotate;
yield return(act);
}
}
/// <summary>
/// Executes an action (Move/Rotate) based on a TurtleAction enum
/// </summary>
/// <param name="action">TurtleAction enum</param>
internal void ExecuteAction(TurtleAction action)
{
switch (action)
{
case TurtleAction.Move:
this.Move();
break;
case TurtleAction.Rotate:
this.Rotate();
break;
}
}
public Result MoveTurtle(TurtleAction action)
{
Turtle.DoRotate(action);
var position = this.DoMove(action);
if (IsHitByAMine(position))
{
return(Result.MineHit());
}
return(ExitHasBeenFind(position) ? Result.Success() : Result.StillInDanger());
}
