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Game Physics Cookbook
book

Game Physics Cookbook

by Gabor Szauer
March 2017
Intermediate to advanced
480 pages
11h 3m
English
Packt Publishing
Content preview from Game Physics Cookbook

Oriented Bounding Box

An Oriented Bounding Box (OBB), is the 3D equivalent of the 2D oriented rectangle. An OBB is defined by a position, half-extents, and some orientation. There are several ways to store the orientation for a bounding box. One way would be to store a vector which has each component corresponding to the angle of rotation on an axis. A better way is to treat the orientation as a 3D matrix, using the mat3 struct:

Oriented Bounding Box

Getting ready

We are going to create a new structure to represent an Oriented Bounding Box. This new OBB structure is going to be composed of a position, half extents, and some orientation. The position and size will be represented ...

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Publisher Resources

ISBN: 9781787123663