NewbJava wrote...
So is this the correct location.import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) public class MyWorld extends World { public MyWorld() { // Create a new world with 600x400 cells with a cell size of 1x1 pixels. super(600, 400, 1, false); prepare(); } public void act() { Switchscreen(); if(Greenfoot.getRandomNumber(20)<1) { addMeteor(); } } public void addMeteor() { addObject(new Meteors(),getWidth()-1,Greenfoot.getRandomNumber(getHeight())); } private void prepare() { Rocket Rocket = new Rocket(); addObject(Rocket, 100,200); Rocket.setLocation(70,200); } public void Switchscreen() { boolean noRockets = getObjects(Rocket.class).isEmpty(); if (noRockets == true) { Greenfoot.setWorld(new Playagain()); } } }