mhgwilliams Posted April 24, 2020 Share Posted April 24, 2020 Hi there, if anyone could help me wrap my head around this I would be very grateful. My setup is this: Vellum sim with grains falling into a container. Motion is exactly what I want. I need to then copy cubes to these points to look like ice. I'd like to have close to realistic rotation on the ice cubes as they simulate. My thought was to run an RBD simulation on the cubes having them constrained to their positions as defined by the grain sim. The problem I'm having is understanding how to create constraints on the cubes that allow them to freely rotate but maintain the grain sim position. I'm in H18.0.287, and I'm attempting to use the sops rbd solver workflow, though I could see needing to configure this with the normal dops workflow. Could anyone point me to some resources to help me understand how to build these constraints? Or maybe I could somehow get rotation without this secondary simulation? I could've sworn there was a way to get orientation from vellum grains. Thanks everyone! As a treat, here was an attempt at a bullet solve with a cheap buoyancy force I hacked together haha shrub_010.mp4 Quote Link to comment Share on other sites More sharing options...
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