An nParticle object has a Conserve attribute that influences the motion of particles whose velocity or acceleration attributes are controlled by dynamics (including particle expressions).
Set Conserve before you create the particles with the nParticle Tool
- Select
>
to and set
Conserve in the
Tool Settings
window.
To set Conserve after you create the particles
- Select the particle object and set its value in the nParticle Dynamic Properties section the nParticleShape node Attribute Editor.