Boundaries and Friction

Summary

This chapter covered an object’s interaction with its own environment. Specifically, an object’s interaction with the edges of its universe and the universe itself. You learned the possible ways to deal with an object that has gone off the edge of the world, including removing, regenerating, wrapping, and bouncing. And, you now know more about friction than you probably ever wanted to know. But with these simple techniques, you can make the objects in your movies move with a great deal of realism. In the next chapter, you’ll delve into allowing the user to interact with the objects.