Lecture by Aaron Canary at GDC 2014.

When game worlds were simply linear presentations of rooms and corridors, it was acceptable to create AI that existed solely in those confined spaces.  As the industry moved to more open world games, static set-piece characters quickly broke the intended immersion of a “living, breathing world.” Aaron Canary, AI Programmer at Volition, wanted to give the impression that the AI was living in the huge, dynamic world that they inhabited, as well as to allow for non-linear play choices and emergent end-user experiences. This is his GDC 2014 presentation.

Free Range AI by Aaron Canary, AI Programmer