Karel Challenge 2

package KarelChallenges;
import kareltherobot.*;

/**
 * Sebastian Stephens
 * This program is essentially Karel strategically going through a maze
 */

public class Challenge2Main extends Robot {
    /**
     * Constructor for Challenge2Main class
     * @param a
     * @param s
     * @param d
     * @param b
     * @ return - none
     */
    public Challenge2Main (int a, int s, Direction d, int b) {
        super(a, s, d, b);
    }

    public static void main(String[] args){
        World.setDelay(20);
        World.setVisible();
        World.readWorld("KarelChallenges2.kwld");
        //Creates new Challenge2Main object
        Challenge2Main gary = new Challenge2Main(1,1,North, -1);
        //Runs overridden move method
        gary.move();

    }

    /**
     * Overrides move method
     * @ param - none
     * @ return - none
     */
    public void move(){
        //Moves until the robot is next to beeper which signifies the end of the maze
        while(!nextToABeeper()) {
            //If the right is clear it turns right
            if (rightIsClear()) {
                turnRight();
            }
            //It continues to turn left while front is not clear
            else {
                while (!frontIsClear()) {
                    turnLeft();
                }
            }
            //Moves
            super.move();
        }
    }


    /**
     * Checks to see if right is clear
     * @ param - none
     * @return boolean
     */
    public boolean rightIsClear(){
        //Turns right and sees if front is clear
        //If it isnt it turns left and returns false
        //IF it is it turns left and returns true
        turnRight();
        if (!frontIsClear()){
            turnLeft();
            return false;
        }
        else {
            turnLeft();
            return true;
        }

    }
    /**
     * Allows gary to turn right
     * @ param - none
     * @ return - void
     */
    public void turnRight(){
        int delay = World.delay();
        World.setDelay(0);
        turnLeft();
        turnLeft();
        World.setDelay(delay);
        turnLeft();
    }


}