I have a simple question. If I have 2 empties connecting two objects each using rigid body constraints, how could I connect both of these empties? Or how would I make 4 objects connect at one point using rigid body constraint?
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I have a similar setup with multiple hinges. and I got it all to work properly except there is A LOT of play at the actual pivot points. Like rubber or something. The faster the object moves the more play there is in the joint.
This seems to be a real problem because I have used the exact setup in blender and unity with the same results. I can't find anything anywhere online about this rubbery pivots problem. I've tried making the mass of the objects 0. It had little effect, but it did help. The only thing I can think of is you can't have multiple pivots working on each other.
The way I did it was following this tut.
step by step description on how to connect two objects with a hinge constraint
Again, I think, hinge joints are useless in this case. Sure would be nice if the joints were actually rigid.
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$\begingroup$ You can use a spring-type constraint to create a hinge (with angle and position limits) with, well, springiness. Or if you want something approaching actual rigidity, you can use a fixed-type constraint. $\endgroup$– NathanCommented May 18, 2021 at 15:19