[AI] New version of softbody2; x3dvalidate news

[John Carlson]

Okay. I compressed  JSON files for better effect.  That should speed up
downloads!

Castle Model Viewer on Desktop (Windows 11, Edge) and Mobile (iOS, Safari)
have been tested successfully.

https://coderextreme.net/softbody2/

On Thu, Mar 19, 2026 at 10:14 PM John Carlson <yottzumm at gmail.com> wrote:

> Apparently best viewed in Safari on iOS.  I am not sure why it viewed so
> well the first time.   You can try hitting the download button to shake it
> up.
>
> I’ve tried Chrome and Firefox on iOS.
>
> Maybe the Three.JS WebGPU renderer is premature?  Or Web Assembly?
> Demoware?
>
> Hmm!
>
> John
>
> On Thu, Mar 19, 2026 at 10:04 PM John Carlson <yottzumm at gmail.com> wrote:
>
>> 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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