stoneboids
I played with the particle info node and used the velocity direction and magnitude to create the color of the boid particles for this animation
you can download the blend file here
See also:
Dynamic Paint particle growth
AN experiment - force field curl clusters
twisted torus particles
particle density volumetric material
Volumentric emission shader
AN experiment - force field curl clusters
twisted torus particles
particle density volumetric material
Volumentric emission shader