31-03-2023, 02:57 PM
(This post was last modified: 31-03-2023, 02:59 PM by josemendez.)
(31-03-2023, 02:32 PM)3DJames Wrote: I'm new to Obirope, so I'm just learning. I'm trying to make the rope stiffer, like a cable, but can't get it to work. I thought the Shape Matching Constraints would do it, but I don't see the options in the help file though. I just see Iterations and Relaxation. I tried adjusting these values but it didn't appear to do anything.
How can I make it so the rope is stiffer?
Hi there!
Stiffer as in harder to bend, or harder to stretch? use bend constraints for the former, and distance constraints for the latter. Shape matching constraints are used exclusively for softbodies, as explained in the manual. They're not used by ropes at all.
Generally, you want to increase the amount of substeps in your ObiFixedUpdater used to allow for the simulation to reach higher stiffnesses (that is, lower compliances). Once you're happy with the overall behavior, you can tweak the amount of iterations used for specific constraint types. See the following page for an in-depth explanation of how the engine works internally and how substeps/iterations affect simulation quality: http://obi.virtualmethodstudio.com/manua...gence.html
At the end of that page you'll also find a list of all available constraints and the actors using each one.
let me know if you need further help,
kind regards