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    Bullet vs Simulation System RBD Follow Position

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    sim vs dynamic rigid
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    • Dr. Sassi
      Dr. Sassi last edited by

      Hi history-growth,

      If you would like me to look more closely into this, I need the file. Videos or images have a very limited option to show needed data. I'm happy to look into it.

      All the best

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      • H
        history-growth last edited by

        Please do! You can find this example here:
        https://www.dropbox.com/scl/fi/c8uib05tqfkh0z70g9sky/follow-position-RBD-vs-Simulation-System.c4d?rlkey=xpy40udf9q6ovykvu0ep85yqi&dl=0

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        • Dr. Sassi
          Dr. Sassi last edited by Dr. Sassi

          Thanks for the file, history-grow.

          Please check with tech support if you think the problem is a bug.
          https://www.maxon.net/en/support-center

          I can see that it doesn't work well with Spline-based animation in your example.

          Please have a look here:
          CV4_2024_drs_23_SIdy_01.c4d

          The results are different, as mentioned above, but I do not see a Keyframed animation of the problems from your file.

          Screen Shot 2023-12-11 at 10.48.04 PM.jpg

          All the best

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          • H
            history-growth last edited by

            Thank you!
            Can it be that Simulation System is better suited for keyframed animations rather than the Align To Spline tag?
            Perhaps I should report this to Maxon...

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            • Dr. Sassi
              Dr. Sassi last edited by

              Hi history growth,

              I must check if procedural/expression-based animation is part of the "Force" evaluation.
              I can write a report and see what the reply is like. The manual is very silent about that, and I haven't heard anyone specifying it during product meetings.
              In case you like to voice your concerns as well:
              https://www.maxon.net/en/support-center

              All the best

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              • H
                history-growth last edited by

                Appreciated Dr Sassi!
                Would be interesting to know the answer.

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                • Dr. Sassi
                  Dr. Sassi last edited by

                  This post is deleted!
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                  • Dr. Sassi
                    Dr. Sassi last edited by Dr. Sassi

                    Hi history-growth,

                    As promised, I keep you informed.

                    Please try the freshly released 2024.2, which should take care of everything.

                    I tested your file and titled the planes to stress test it. I think it works very well now.

                    CV4_2024_drs_23_SIbl_01.c4d

                    Please let me know what you think.

                    All the best

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                    • H
                      history-growth last edited by

                      Hi Dr Sassi. I came here to write the same thing.

                      2024.2 seems to have figured this out. Very good news!

                      Although I'm wondering if Sim System is stable enough for RBDs for production work if these kinds of bugs exists... only one way to find out.... 🙂

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                      • Dr. Sassi
                        Dr. Sassi last edited by

                        Thanks for the reply, history-growth,

                        Have a lovely rest of the weekend.

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