/** Constructor for objects of class TitleScreen. */ public TitleScreen() { // Create a new world with 600x400 cells with a cell size of 1x1 pixels. super(1024, 720, 1, 720, 1800); Greenfoot.start(); backgroundMusic.setVolume(30); backgroundMusic.playLoop(); titleScroller = new MovingPlatform("invisRoad.png", 50, 100, true); GreenfootImage bg = new GreenfootImage("titlescreen.png"); setMainActor(titleScroller, 70, 300); mainActor.setLocation(50, 2600); mc = new MCZombie(true); addObject(mc, 650, -150); setScrollingBackground(bg); // 270, -130 button = new StartButton(); addObject(button, 260, 140); }