Inside Macintosh: 3D Graphics Programming With QuickDraw 3D / Chapter 20 - QuickDraw 3D Mathematical Utilities / QuickDraw 3D Mathematical Utilities Reference
Data Structures This section describes the data structures you can use to define bounding volumes. QuickDraw 3D provides two kinds of bounding volumes: bounding boxes bounding spheres Subtopics Bounding Boxes Bounding Spheres