Aux System
This is a particle system within the particle system. Aux particles can be emitted from the particles in the main system; either continoulsy or when the particles collide with bounce layers. In addition to the settings here, there are also settings in Options that control the Aux System.



Emit
Select when Aux particles are emitted. Either at collission event or continously.

Aux Off	Aux On

Particles/sec
Rate of particle emission.

Life
Controls how long the Aux particles live.

Type
The particle type. See main particles; Particle Types.

Velocity
Initial velocity at birth.

Size
Size of Aux particles.

Size over Life
Controls how Aux particles size varies over its life.

Opacity
Opacity of Aux particles

Size over Life
Controls how Aux particles opacity varies over its life.

Color over Life
Controls how Aux particles color varies over its life.

Color From Main
Enables Aux particles to inherit color from the Main particle that created them.





The animation above is explained
in the Step by step tutorial on Aux System.