Flocking Simulation with Phoenix Channels

Code can be found here: https://github.com/fabrik42/flocking_elixir

Transcript

1. Flocking Simulation with Phoenix Channels
2. Flocking Theory
4. Use case: Cinematic effects
5. Boid: One member of a flock
6. * Location
7. * Location * Perception Radius
8. * Location * Perception Radius * Velocity * Heading
9. You Need Three Behaviours
10. 1. Cohesion
11. 1. Cohesion
12. 1. Cohesion
13. 2. Alignment
14. 2. Alignment
15. 2. Alignment
16. 3. Separation
17. 3. Separation
18. 3. Separation ! !
19. 3. Separation ! !
20. * Cohesion * Alignment * Separation = Next move
21. Architecture
22. Phoenix BoidsChannel Receives Updates Changes Settings GenServer WorldStateUpdater Calling itself 
 30 times per second Simulation Calculates new positions per boid based on world state <canvas> Renderer Renders updated world state Socket Connection Receives Updates Changes Settings
23. Demo Time!
24. Read on! http://harry.me/blog/2011/02/17/neat-algorithms-flocking/ http://www.red3d.com/cwr/boids/