July 2018
Beginner to intermediate
1240 pages
34h 30m
English
Content preview from Game Engine Architecture, 3rd Edition
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13 Collision and Rigid Body Dynamics
In the real world, solid objects are inherently, well…solid. They generally avoid doing impossible things, like passing through one another, all by themselves. But in a virtual game world, objects don’t do anything unless we tell them to, and game programmers must make an explicit effort to ensure that objects do not pass through one another. This is the role of one of the central components of any game engine—the collision detection system.
A game engine’s collision system is often closely integrated with a physics engine. Of course, the field of physics is vast, and what most of today’s game engines call “physics” is more accurately described as a rigid body dynamics simulation. ...
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