Flocking Boid algorithm implementation. The detail is described here(wikipedia). You need to import pyxel. Please see here pyxel github. Files main_boid.py -> Cute slimes are hopping around. main_suimi.py -> You can control the flock of fishes. boid.py -> BoidAgent and Boid classes are defined. suimi.py -> This is revised Boid algorithm to control the flock with your keyboard.