Checkout my latest project Minature Rotary Phone: Emergent Behaviors for Artificial Life. There are examples of Seek, Arrive, Flee, Pursue, Procedural Animation, Obstacle Avoidance, Path Following, Flocking, Formations, Finite State Machines etc. etc. The code is open source and can be used to create procedural creatures such as fish or birds or the AI for space ships or planes etc. etc.

https://github.com/skooter500/miniature-rotary-phone