TMM93 Posted June 8, 2016 Share Posted June 8, 2016 Hi guys I was wondering if anyone knew how I could go about linking the rotor prop (alembic cached animation for instance) to a set of rotors then get the dynamic fracture to always follow(like a parent or e.g. component to component constraint in Maya) and also the rotation to always persist even when colliding with objects. Im a complete beginner so I'm sure I'm just being stupid but any help would be appreciated Ive posted an example hip below, I feel like I'm almost there but I'm just missing something . thanks! rotor_dyn_spin_test.hip Quote Link to comment Share on other sites More sharing options...
3dome Posted July 21, 2016 Share Posted July 21, 2016 dont have too much knowledge about constraints so I'd like to know too Quote Link to comment Share on other sites More sharing options...
Farmfield Posted July 23, 2016 Share Posted July 23, 2016 (edited) A constraint is a line with attached (string-) attributes. For the primitive you have constraint_type (position, rotation, all) and constraint_name (the reference/data name) and for the points you have a name attribute where the string for which piece. I just had no time to do a complete setup, but here's a quick setup for the constrain in SOPs and DOPs - I hope I didn't miss anything. Edit: F!, I did miss something, for a rotating constraint, you need a rotation axis, you set that with a point attribute in SOPs using a directional vector. If you don't figure out how it works, I'll do a complete setup tomorrow. constraints.hiplc Edited July 23, 2016 by Farmfield Quote Link to comment Share on other sites More sharing options...
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