EsperBot

/**
EsperBot File for lesson 4
*/

package Lesson4;

import kareltherobot.Robot;
import kareltherobot.World;

import java.sql.Wrapper;
import java.util.Scanner;


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


    public static void main(String[] args) {
        World.setDelay(50);
        World.setVisible();
        World.setSize(10, 10);
        World.showSpeedControl(true);

        Lesson3.Activity1 zgod = new Lesson3.Activity1(1, 3, North, -1);

        zgod.shuttleRun();
    }
    /**
     * Turns right
     * @return void
     * */
    public void turnRight(){
        World.setDelay(0);
        turnLeft();
        turnLeft();
        World.setDelay(50);
        turnLeft();
    }

    /**
     * Determines whether the left is clear
     * @return boolean
     * */
    boolean retLeft = true;
    public boolean leftIsClear() {
        if (facingNorth()) { //positions the robot to face west
            turnLeft();
        }
        else if (facingSouth()) { //positions the robot to face west
            turnRight();
        }
        else if (facingEast()) { //positions the robot to face west
            turnLeft();
            turnLeft();
        }
        if (frontIsClear()){ // checks if the front is clear. If it is, it returns true
            retLeft = true;
        }else {
            retLeft = false;
        }
        turnRight();
        return retLeft;
    }

    /**
     * Method to detect whether there is a stair in front of the robot to go up
     * @return boolean
     * */
    boolean retStair = true;
    public boolean inStair(){
        if (facingNorth()){
            turnRight();
        }
        if (frontIsClear()) {
            retStair = false;
        }
        else{
            retStair = true;
        }
        turnLeft();
        return retStair;
    }
}