Level2.java#backup

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
import java.util.List;
/**
 * Write a description of class Level2 here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Level2 extends World
{

    /**
     * Constructor for objects of class Level2.
     * 
     */
    private int xOffset = 0;
    private final static int SWIDTH = 1600;
    private final static int SHEIGHT = 700;
    private final static int WWIDTH = 9500;
    private GreenfootImage bimg;
    public Level2()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(SWIDTH, SHEIGHT, 1, false);
        bimg = new GreenfootImage("2level_high.png");
        shiftWorld(0);
        prepare();
    }
    public void shiftWorld(int dx)
    {
        if ((xOffset + dx) <= 0 && (xOffset + dx) >= SWIDTH - WWIDTH)
        {
            xOffset = xOffset + dx;
            shiftWorldBackground(dx);
            shiftWorldActors(dx);
        }
    }
    private void shiftWorldBackground(int dx)
    {
        GreenfootImage bkgd = new GreenfootImage(SWIDTH, SHEIGHT);
        bkgd.drawImage(bimg, xOffset, 0);
        setBackground(bkgd);
    }
    private void shiftWorldActors(int dx)
    {
        List<ScrollingActor> saList;
        saList = getObjects(ScrollingActor.class);
        for( ScrollingActor a : saList)
        {
            a.setAbsoluteLocation(dx);
        }
    }
    
    Mobby mobby = IntroScreen.mobby;
    PowerBar powerBar = new PowerBar();
    HealthBar healthBar = new HealthBar();
    private void prepare()
    {
        addObject(mobby, 525, getHeight() / 2);
        addObject(powerBar, getWidth() / 2, 200);
        addObject(healthBar, getWidth() / 2, 100);
    }
    
    boolean canReturn = false;
    public double power;
    public void act()
    {
        meatballPower();
        healthBar.setLocation(mobby.getX(), mobby.getY() - 175);
        powerBar.setLocation(mobby.getX(), mobby.getY() - 150);
        if (xOffset < 0) canReturn = true;
        if (xOffset >= 0 && canReturn) {
            Level1 level1 = IntroScreen.level1;
            Greenfoot.setWorld(level1);
        }
    }
    
    public static boolean resetPower;
    public void meatballPower()
    {
        if (Greenfoot.isKeyDown("f")) {
            power++;
            resetPower = false;
        }
        else {
            if (resetPower) power = 0;
        }
    }
}