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tagosaku

control particle reaction in vellum for sand and snow fx

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hi, I am testing vellum, and have a question. 

When testGeo is coming up from ground, all vellum particles are influenced and pushed away. Also, when he hit ground with hummer and lift it up, particles looks being sucked into holes made by hummer.

However, these particle reaction should not reach such far away distance. I'd like to know how to control the influence distance. So far, I am thinking of solutions:

1 - reduce constraint iteration, 2 - make a space between particles at emission/creation times. 3 - add more friction, increase particle separate / highres- sim, etc.

 

This result could be ok for sand FX, but when making snow ground, this won't work. Particles should be very rigid, and particle only moves around testGeo's feet and hummer. 

If anyone knows how to control it properly, let me know thanks!!

 

 

 

 

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