I just released my Steering Behaviors package to Github, and an accompanying Gem to Rubygems. Steering Behaviors are utilized to ‘drive’ autonomous game agents in a natural manner, and include such behaviors as predictive pursuit, fleeing, arrival, and wandering. Embellishments and expansions are planned, but this is working software you can use to drive your own game’s characters. (I’m using it in my own game programming.) The Github repo includes working graphical examples. Pull requests are enthusiastically encouraged.