// (this is for ground)
public class ground extends World
{

    /**
     * Constructor for objects of class ground.
     * 
     */
    public ground()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(600, 400, 1); 
        prepare();
        drawScore();
    }
    
    private Red theRedScore;
    private Blue theBlueScore;
    public void drawScore()
     {
        theRedScore = new Red();
        addObject(theRedScore, 58,24);
        
        
        theBlueScore = new Blue();
        addObject(theBlueScore, 27,24);
    }
    
    public Red getRedScore()
    {
        return theRedScore;
    }
    
    public Blue getBlueScore()
    {
        return theBlueScore;
    }

    /**
     * Prepare the world for the start of the program.
     * That is: create the initial objects and add them to the world.
     */
    private void prepare()
    {
        cars cars = new cars();
        addObject(cars,1,84);
        Car car = new Car();
        addObject(car,2,323);
        Item item = new Item();
        addObject(item,106,220);
        Item item2 = new Item();
        addObject(item2,324,44);
        Item item3 = new Item();
        addObject(item3,346,373);
        Item item4 = new Item();
        addObject(item4,436,212);
        Item item5 = new Item();
        addObject(item5,574,36);
        Item item6 = new Item();
        addObject(item6,577,387);
        item3.setLocation(341,357);
        item3.setLocation(332,354);
        item6.setLocation(568,380);
        item4.setLocation(361,207);
        Item item7 = new Item();
        addObject(item7,464,127);
        item4.setLocation(465,276);
        item7.setLocation(451,125);
        item4.setLocation(457,277);
    }
}

//(This is the actor for this game)
public class cars extends Actor
{
    /**
     * Constructor for Car - nothing to do.
     */
    public void cars()
    {
        act();
        eat();
    }
    
    /**
     * Drive and allow steering.
     */
    public void act()
    {
        if ( Greenfoot.isKeyDown("left") )
        {
            turn(-2);
        }
        if ( Greenfoot.isKeyDown("right") )
        {
            turn(2);
        }
        if ( Greenfoot.isKeyDown("up") )
        {
            move(5);
      
        }
        if ( Greenfoot.isKeyDown("down") )
        {
            move(-4);
      
        }
        eat();
    }
     public void eat()
    {
        Actor item;
        item = getOneObjectAtOffset(0, 0, Item.class);
        if (item!= null)
        {
            ground ground;
            ground = (ground) getWorld();
            Blue bluecounter = ground.getBlueScore();
            ground.removeObject(item);
            bluecounter.bumpCount(1);
        }
    }
}