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DOP simulation, but maintain orientation and Y position


etudenc

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Hello all, I feel I should know this by now but I can't seem to figure it out.

I wish to pack a high number of non-symmetrical objects together fairly tightly. In my SOP network I've copied a cube to a bunch of scattered points. The result is brought into a DOP network and solved with a rigid solver.

For every step I want to push each simulated object back down to its original position in Y (some pieces start to ride their neighbors and I don't want that), and I want each object to maintain its original orientation, which I guess means that for every step it gets set back to the original orientation. 

I tried a geometry wrangle but it doesn't seem to have any effect - I'm probably just not setting it up correctly. 

For what it's worth, the simulation works fine, I just need to figure out how to push each piece back down to its original position and set it back to its original orientation.

 

 

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