У вашего броузера проблема в совместимости с HTML5
This video shows two possibilities of moving along black lines as a result of simulating swarm behaviour with randomized movement.
Description of Boids:
Four Mindstorm NXT simulating a simplyfied swarm behaviour.
1. Avoid collisions (Ultrasonic)
2. Move in the same direction as the swarm (Follow the Line)
3. Find the swarm (Moving faster)