Filter by Null

 
 
 

This compound reduces the number of particles based on them being within a null icon's shape. The null must intersect with the emitter in order to emit particles.

Plug this compound's Execute on Emit output into an Execute on Emit port of the Emit compound or into a port on the ICETree node. If you do the latter, the emission is updated at each frame.

For more information, see Filtering Particles Based on a Null Object [ICE Particle Simulations].

Tasks: Particles/Emission Control

Output Ports: Execute_on_Emit

Null Name

The null that drives the particle filtering. Open the null's property editor and select an Icon shape that has volume, such as Box, Pyramid, Arrow Rings, etc. Plug the null's Output Name output into this port.

Profile

This graph defines the amount of particles emitted over time.

Invert Filter

Inverts the graph values.

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