Boids / Flocking / Compute Shader for binning particles
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Hi forum~ I’m studying boids and flocking behavior in Touchdesigner .The “TouchDesigner Boids Flocking Tutorial” of David Braun is my starting point and it is amazing!!! (link :https://www.youtube.com/watch?v=f2yOYmOgZEA&t=509s)
To further development , I change the bird model to fish and put 10 tube of sop in " base_collision_sop" as different collision points which is trying to affect the Boids behavior and it works. But I stuck in the cohesion and speed.
Cohesion :
I want to create different points of cohesion for leading different group of fish to swim.
Speed :
Every time I use the tube in " base_collision_sop" to scatter the fish, and the fish around the tube will swim quickly and turn to normal speed.
A part from that ,is there any way to control the turn around behavior in more natural way. The fish is weird as a robot fish when they turn around with their whole straight body. Maybe like the “Inverse Kinematics” plug in in Unity? control the head rig as leading point? I know TD is more texture/shader orientation , but I cant find the way.
If anybody can answer me , I’ll very appreciate it!!! 
David Braun Project file: TouchDesigner_Shared/Starters/boids at master · DBraun/TouchDesigner_Shared · GitHub
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