Chapter 7 demonstrated that OpenGL ES offers quite a lot of features to exploit for 2D graphics programming, such as easy rotation and scaling and the automatic stretching of your view frustum to the viewport. It also offers performance benefits over using the Canvas API.
Now, it’s time to look at some of the more advanced topics of 2D game programming. You used some of these concepts intuitively when you wrote Mr. Nom, including time-based ...