colorful density texture
I used a particle texture that influences the particle density and lifetime on a cube. The color of the particles is dependent of the particle location
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