public void Move(RouteInstruction instruction)
{
switch (instruction.Action)
{
case RouteAction.North:
WaypointY += instruction.Value;
break;
case RouteAction.South:
WaypointY -= instruction.Value;
break;
case RouteAction.East:
WaypointX += instruction.Value;
break;
case RouteAction.West:
WaypointX -= instruction.Value;
break;
case RouteAction.Left:
(WaypointX, WaypointY) = instruction.Value switch
{
90 => (-WaypointY, WaypointX),
180 => (-WaypointX, -WaypointY),
270 => (WaypointY, -WaypointX),
_ => throw new InvalidOperationException()
};
break;
case RouteAction.Right:
(WaypointX, WaypointY) = instruction.Value switch
{
90 => (WaypointY, -WaypointX),
180 => (-WaypointX, -WaypointY),
270 => (-WaypointY, WaypointX),
_ => throw new InvalidOperationException()
};
break;
case RouteAction.Forward:
X += instruction.Value * WaypointX;
Y += instruction.Value * WaypointY;
break;
default:
throw new NotImplementedException();
}
}
public void MoveAbsolute(RouteInstruction instruction)
{
switch (instruction.Action)
{
case RouteAction.North:
Y += instruction.Value;
break;
case RouteAction.South:
Y -= instruction.Value;
break;
case RouteAction.East:
X += instruction.Value;
break;
case RouteAction.West:
X -= instruction.Value;
break;
case RouteAction.Left:
Orientation = (Orientation + instruction.Value) % 360;
break;
case RouteAction.Right:
Orientation = (Orientation - instruction.Value + 360) % 360;
break;
case RouteAction.Forward:
var action = Orientation switch
{
0 => RouteAction.East,
90 => RouteAction.North,
180 => RouteAction.West,
270 => RouteAction.South,
_ => throw new InvalidOperationException()
};
MoveAbsolute(new RouteInstruction(action, instruction.Value));
break;
default:
throw new NotImplementedException();
}
}