static void Main(string[] args)
{
var moves = LoadMovements("input.txt");
var ship1 = new Pointish()
{
Facing = Direction.RIGHT
};
foreach (var move in moves)
{
MovePart1Style(ship1, move);
}
ship1.Pos.ManhattenDistance().AsResult1();
var ship2 = new Pointish();
var waypoint = new Pointish()
{
Pos = new Point(0, 0).Right(10).Up(1)
};
foreach (var move in moves)
{
MovePart2Style(ship2, move, waypoint);
}
ship2.Pos.ManhattenDistance().AsResult2();
Report.End();
}
private static void MovePart2Style(Pointish ship, Movement move, Pointish waypoint)
{
switch (move.Act)
{
case "F":
ship.Move(waypoint.Pos, move.Amount);
break;
case "E":
case "N":
case "W":
case "S":
var direction = PointParseUtils.ParseDirection(move.Act);
waypoint.Move(direction, move.Amount);
break;
case "L":
case "R":
var rotation = PointParseUtils.ParseRotation(move.Act, move.Amount);
waypoint.RotateOrientation(rotation);
break;
default:
throw new Exception("Unknown act: " + move.Act);
}
}
private static void MovePart1Style(Pointish ship, Movement move)
{
switch (move.Act)
{
case "F":
ship.Move(ship.Facing, move.Amount);
break;
case "E":
case "N":
case "W":
case "S":
var direction = PointParseUtils.ParseDirection(move.Act);
ship.Move(direction, move.Amount);
break;
case "L":
case "R":
var rotation = PointParseUtils.ParseRotation(move.Act, move.Amount);
ship.RotateFacing(rotation);
break;
default:
throw new Exception("Act not impl: " + move.Act);
}
}
