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

/**
 * Write a description of class bear here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class bear extends Actor
{
    /**
     * Act - do whatever the bear wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    private int range = 0;

    public void act()
    {
        if//object is in world. code needed here.
        {
            poorpig pig = (poorpig)getWorld().getObjects(poorpig.class).get(0);  
            getWorld().getObjects(poorpig.class).get(0);
        }
    }
}