FumeFX (3DSMax) : Smoke moves opposite direction to PFlow

#1

Hey guys,
I’m making a smoke simulation for gun smoke. After the gun gets fired the particle emitter “puffs” out smoke. I’ve animated the speed, divergence and rate in PFlow, and linked it up to FumeFX with a particle src helper, but when I simulate it, at the point of the burst, some smoke gets emitted backwards, opposite to the movement of the forward moving particles. I tried increasing the simulation steps, CFL, quality, maximum iterations and spacing, which helps, but there is still some smoke being emitted behind the PFlow source. Any ideas?

http://postimg.org/image/xgkuxu7hp/

Cheers :slight_smile:

#2

This is it with higher spacing further along the animation. The settings don’t do much…

#3

Add a non renderable deflector object, like a low poly gun barrel.