Grain RBD Active/Deactive

[garf]

Morning all,

I've got a basic Grain RBD setup of a box filled with grains I would like to settle and then stop movement until a collider is introduced.

I 've used a pop wrangle to deactivate the grains below a velocity threshold but would like them to be reactivated once the collider is in close proximity.  I thought a simple SOP Solver with an attribute transfer would do the job but, although the spreadsheet says their active value = 0 - they are clearly still active and the SOP Solver appears to be overriding the POP Wrangle completely.

Any suggestions on either why this doesn't work or a better alternative.

Thanks

basicGrainRBD.hip

[ryew]

I haven't checked your scene, but if you haven't already tried it, check out the POP Awaken DOP; I've used that to successfully wake up sleeping grains particles

[Sepu]

is because your attribute create "active" is a float in the sop solver, change to an integer and it should work as you expect.

[garf]

unbelievable - thanks Sepu

[Daniel Lefebre]

This is awesome. Just seems to have some major issues when you replace that sphere collision object with say the rubber toy and turn on convex. Is there a limitation with bullet and convex?

Edit: yes there is

Edited July 4, 2019 by Daniel Lefebre