[AI] New version of softbody2; x3dvalidate news

[John Carlson]

I’m having difficulty with HAnim it appears.  Nothing changed in the
codebase, so sometimes I get a humanoid and sometimes I don’t.  I will
check console logs when I get a chance.  You may need to press the download
button to get the animation going.

On Thu, Mar 19, 2026 at 8:45 PM John Carlson <yottzumm at gmail.com> wrote:

> https://coderextreme.net/softbody2/
>
> This version has the feature of .glb download, which works well in Castle
> Mobile Model Viewer.  I don’t know how well it works for Humanoids with
> Sunrize on Windows 11, I tried.  Feel free to download the .glb.  It was
> generated with THREE.js GLTFExporter.  Input X3D JSON was validated with
> JSON schema, with additions of SoftBody and Stitch Joint.
>
> Old versions of x3dvalidate here
> https://www.npmjs.com/package/x3dvalidate
>
> A decision was made to revert to Ajv due to stack overflow in hyperjump-io
> validator.   This means the schema won’t validate in Ajv strict mode.
>
> Development of x3dvalidate is here:
>
> https://github.com/coderextreme/x3dvalidate
>
> I think this version doesn’t validate the X_ITE component for now.  It
> does validate Stitch and SoftBody.
>
> HyperJump-io was moved to a separate file for those who want stricter JSON
> schema adherence.   I sent Jason Desrosiers my schema and an instance.  His
> comment was:  “
> The schema found over 1.7 million errors in the data! This package is
> definitely not designed to function at these scales.”  Ajv + x3dvalidate
> just found a few. YMMV. Note that after the errors were corrected, both
> validators approved the JSON.  The JSON, both scene.json and
> HumanoidComplete.x3dj, were deployed successfully.
>
> Hint for those wanting to compress JSON.  jsonlint -t 0 should work.  I
> use the @prantlf version, which uses Ajv.
>
> Additional implementations welcome!
>
> The significance of this is that Castle Model Viewer can view data sourced
> as X3D JSON!  Example JSON is here
> https://coderextreme.net/softbody2/assets/
>
> and here:
>
> https://coderextreme.net/softbody2/scene.json
>
> John
>
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