import greenfoot.*;

public class MyWorld extends World{

    public Raumschiff r;
    public Solarmodul s;
    public Erde e;

    public MyWorld(){
        super(600,400,1);
        
        e = new Erde();
        addObject(e, 200,200);

        r= new Raumschiff();
        addObject(r, 100,100);

        s = new Solarmodul();
        addObject(s, 300,300);

    }
}



import greenfoot.*;

public class Solarmodul extends Actor{
    
    public Solarmodul(){
        getImage().scale(50,50);
    }
}



import greenfoot.*;

public class Erde extends Actor{
    
    public Erde(){
        getImage().setTransparency(150);
    }
}



import greenfoot.*;

public class Raumschiff extends Actor{

    public int punkte;
    
    public Raumschiff(){
        getImage().scale(120,60);
    }

    public void act(){
        if(Greenfoot.isKeyDown("up"))move(3);
        if(Greenfoot.isKeyDown("down"))move(-3);
        if(Greenfoot.isKeyDown("right"))turn(3);
        if(Greenfoot.isKeyDown("left"))turn(-3);
        if(isTouching(Solarmodul.class)){
            getOneIntersectingObject(Solarmodul.class).setLocation(Greenfoot.getRandomNumber(600), Greenfoot.getRandomNumber(400));
            punkte++;
        }
        getWorld().showText("gesammelte Module: "+punkte, 300,20);
    }
}