package Lesson3;
import kareltherobot.*;

public class Lesson3Activity1 extends UrRobot{
    /*
     * @param x
     * @param y
     * @param d
     * @param b
     */
    public Lesson3Activity1(int x, int y, Direction d, int b){
        super(x, y, d, b);
    }
    /*
    Function tha allows for the robot to run in one straight direction.
     */
    public void shuttleRun() {
        move();
        move();
        move();
    }
    /*
    Function that allows the robot to turn around very quickly
     */
    public void backwardsTurn(){
        turnLeft();
        turnLeft();
    }
    /*
    Uses the idea behind the moonwalk to instantly have the robot turn around so it looks like he turns right for smoothness.
     */
    public void changeLane(){
        int delay = World.delay();
        World.setDelay(0);
        backwardsTurn(); //Quickly changes the delay so that it appears instant
        World.setDelay(delay);
        turnLeft();
        move();
        turnLeft();
    }
    /*
    Just exists to neaten up the main function. Just completes every lane
     */
    public void totalLoop(){
        for(int index = 0; index < 5; index ++){
            shuttleRun();
            pickBeeper();
            backwardsTurn();
            shuttleRun(); //Repeats the shuttlerun 5 times so that it loops.
            backwardsTurn();
            putBeeper();
        }
    }

    /**
     * Function that just runs and allows the robot to do his shuttle loop.
     * @param args
     */
    public static void main(String[] args){
        World.setDelay(20);
        World.setVisible(); //Creates the world that the robot will live in.
        World.readWorld("Lesson3World1.kwld");
        Lesson3Activity1 roomba = new Lesson3Activity1(4, 3, North, 0);
        roomba.totalLoop();
        roomba.changeLane();
        roomba.totalLoop();
        roomba.changeLane();
        roomba.totalLoop();
    }
}