Hornet Swarm.

A rudimentary swarming algorithm leads to some nice emergent behaviour. Each member of the swarm chooses a target: the Player, if he is close enough, otherwise a different random member of the swarm every one second. It then moves towards its target until it gets too close, and then it moves away. Observed behaviours: 1) When the player is absent the swarm maintains cohesion in a diffuse cloud. 2) The player can draw out individual members and lure them away. 3) If more than 2 or 3 members follow the p