public ScoreBoard()
    {
        // initalized new image
        GreenfootImage image = new GreenfootImage(WIDTH, HEIGHT);
        // cosmetic porcedures for color and font     
        Font myFont = new Font("TIMES", Font.BOLD ,12);
        image.setFont(myFont);
        // display on screen
        setImage(image); 
        // Set score to 0 at begining
        update(0);
    }