import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class Boo here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Boo extends Actor
{
    /**
     * Act - do whatever the Boo wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act()
    {
        move(10);
        hitDetection();
        if(isAtEdge())
        {
            int turnOne = (int) (Math.random()*100);
            turn(turnOne + 1);
            move(10);
        }

    }

     public void hitDetection()
    {
        Actor Mario = getOneIntersectingObject(Mario.class);

        if(Mario != null)
        {
            getWorld().removeObject(Mario);
        }
        Actor Fireball = getOneIntersectingObject(Fireball.class);
        if(Fireball != null)
        {
            getWorld().removeObject(Fireball);
        }
    }
}