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Building Your Own AI Director for Fun and Pacing

Alex J. Champandard on March 5, 2011

Increasingly, emergence is not enough to build compelling gameplay experiences. You need some kind of monitoring of the player's behavior, allowing you to controlling the game's flow towards states that you know to be fun. That's where AI Directors come in, providing a layer of adaptive logic that improves upon near-random experiences.

In this tutorial, you'll find out everything you need to know from a design and technical perspective to build your very own AI Director. Using examples from existing games like LEFT 4 DEAD and PURE, you'll discover about the three components that every AI Director needs, and what you need to do to make sure it works in practice.