C3

/*
Carlos Garcia
Challenge 3
Beeper Trail
*/

package Challenges;
import kareltherobot.World;


public class Challenge3 extends EsperBot3 {
    public Challenge3(int street, int avenue, Direction direction, int beeperCount) {
        super(street, avenue, direction, beeperCount);
    }


    public static void main(String[] args) {
        World.setDelay(5);
        World.setVisible();
        World.setSize(10, 10);
        World.showSpeedControl(true);
        World.readWorld("KarelChallenges3b.kwld");

        Challenge3 zgod = new Challenge3(1, 1, North, -1);

        zgod.followTrail();
    }

    /**
     * Function to follow the trail of beepers
     * @return void
     * */
    public void followTrail(){
        while (!nextToABeeper()) { // only works when Karel is not on a beeper
            if (beeperAhead()) { // picks the beeper ahead if it is ahead
                move();
                pickBeeper();
            } else if (beeperleft()) { // picks the beeper to the left if it is left
                turnLeft();
                move();
                pickBeeper();
            } else if (beeperRight()) { // picks the beeper to the right if it is right
                turnRight();
                move();
                pickBeeper();
            }
        }
    }

}