So I'm a little new to Greenfoot, and in school, we need to make this car game, where there's three different classes. One is the car you control, one is the cars that come down the road, and the other are the lines on the road, to create an illusion of the car moving along the road. You're supposed to So what i want to do is add a scoreboard that adds ten points every second you survive. How would I do that?