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  • Auto calculating weights NOT WORKING for paths


I'd like to use a few bones to control a path, so I tried binding the path to the bones using weights but the auto calculation is not available (see the screenshot). I tried simpler paths with two to three bones, but it still didn't work. The "auto" button is always grey for any path with any bones.


I can paint the weights, but the auto calculation is not available. That button is always grey.

Very frustrating! Does anyone know why? Thank you.

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    yuloveta Unfortunately, auto calculating weights are not available for path, clipping, or bounding box attachments. Please setting weights manually for path attachments.

      Misaki I see now, thanks. It'd be nice to have that for path in the future considering how often it's used on hair. Setting weights manually is very time-consuming

        yuloveta Although a different approach, perhaps the physics constraints that will be added in Spine 4.2 might be useful in your workflow. I assume that you are using path-constraints for hairs to simplify control of the large number of hair bones, but with physics-constraints, you can animate hair using physics calculations, which may eliminate the need for using path-constraints itself. 4.2 will be released as a beta version first, so it may be quite a while before you can actually use it in your projects, but we hope you will try it when it is released.