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Broken glue constraints not staying broken


Daviaoso

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Hey all, it's first post here and new to Houdini so I appologise if this isnt the easiest to follow.

I have been trying to create a robust system for controlling vornoi fracture points, their glue strength and a way of manually breaking constraints between points. Ive been following some tutorials piecing together relevant bits from each to try and achieve this.

My current issue Im facing is that once I play the simulation and the constraints start breaking they start flickering back on and glueing parts of the object which have already been broken. From my undertanding I think the manual breaking of constraints which is conflicting with the remove_broken SOP solver within DOPs, but I can't figure out how to get them both to work together.

Any help would be greatly appreciated as I've hit a brick wall with this. Ive provided my scene file - I hope it's all easy to undertand.

Thanks.

Fracture_v001_notworking.hiplc

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problem is the 'Overwrite with SOP' on the constraint network, its restoring the constraints broken by impacts. I simply disabled that and import the Cd attribute in the sop solver, then use that for breaking the constraints. That way you don't clash with the breaking behaviour of the bullet solver.  Oh, I also raised the min strength of the constraints to 1 somewhere along the way.

Fracture_v001_working.hiplc

Edited by nuki
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