Chapter 17. Occlusion Queries: Why Do More Work Than You Need To?
by Benjamin Lipchak
WHAT YOU'LL LEARN IN THIS CHAPTER:
Functions You'll Use
Create and delete query objects
Define bounding box occlusion queries
Retrieve the results from an occlusion query
Complex scenes contain hundreds of objects and thousands upon thousands of polygons. Consider the room you're in now, reading this book. Look at all the furniture, objects, other people or pets and think of the rendering power needed to accurately represent their complexity. Several readers will find themselves happily sitting on a crate near a computer in an empty studio apartment, but the rest will envision a significant ...