[x3d-public] Priorities

[John Carlson]

For motivation:

Brython+Three.js

https://brython.info/gallery/three.html

John

On Thu, Oct 15, 2020 at 11:16 AM John Carlson <yottzumm at gmail.com> wrote:

> Perhaps we should try to integrate X3DOM, X3DPSAIL and brython, such that
> we can write X3DOM scripts with brython (plus field tags), using standard
> script tags, modified for brython.
>
> I am open to this.
>
> Once we have brython example, we can move to JavaScript (or whatever you
> want to call JavaScript with fields).
>
> Thanks,
>
> John
>
> On Thu, Oct 15, 2020 at 9:34 AM John Carlson <yottzumm at gmail.com> wrote:
>
>> X3DOM has field types, but they're under the x3dom namespace, so either
>> need to change script code, or provide aliases for x3dom's field types.
>> Ah, thank's Andreas!
>>
>> I would like to get the Gears example working, because it has both script
>> and Protos.  Plus it's the canonical GL example, AFAIK.
>>
>> I think the problem I am seeing is JavaScript knows little about what the
>> fields are, in the example, field name="innerRadius."
>>
>> I am not particularly having an issue with script/Script/X3DScript.  I am
>> having problems with fields, which AFAIK, are not allowed in HTML5 script.
>> Using X3DScript, I am allowed to have field children.
>>
>> John
>>
>> On Thu, Oct 15, 2020 at 1:44 AM Don Brutzman <brutzman at nps.edu> wrote:
>>
>>> John please don't worry about SAI completeness.  You didn't hear me
>>> mention that.
>>>
>>> Most Scripts take simple input events, compute a change, and send the
>>> result back out to the scene graph. Rudimentary functionality with strict
>>> typing.
>>>
>>> X_ITE indeed supports Script nodes and prototypes, and has done so
>>> capably for a long time.  Many examples:
>>>
>>> * https://x3dgraphics.com/examples/X3dForWebAuthors/
>>>
>>> https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter09EventUtilitiesScripting/
>>>
>>> https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter09EventUtilitiesScripting/ScriptEventsIndex.html
>>>
>>> * https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/
>>>
>>> https://x3dgraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/MaterialModulatorIndex.html
>>>
>>> Focusing on one test case at a time is a good way to isolate potential
>>> problems and resolve them - again, one test case at a time.
>>>
>>> Good luck out there!
>>>
>>>
>>> On 10/14/2020 7:44 PM, John Carlson wrote:
>>>
>>> >
>>> > X3DJSONLD only has limited functionality for X3DScript.   I stripped
>>> it because X_ITE did not have support, so none of my X3DScripts were
>>> working.   I hope we can get X3DScript added to XMLSchema, X3DUOM etc
>>> >
>>> > Thanks, Don
>>> >
>>> >   John
>>> >
>>> > On Wed, Oct 14, 2020 at 9:33 PM John Carlson <yottzumm at gmail.com
>>> <mailto:yottzumm at gmail.com>> wrote:
>>> >
>>> >     If I recall correctly, full support for SAI will require a Browser
>>> implementation.   I suggest someone scope out the work for that, if any.
>>> That is, much of the functionality may be there.  It’s important to
>>> distinguish X_ITE’s Browser from X3DOM’s in any case.
>>> >
>>> >     John
>>> >
>>> >     On Wed, Oct 14, 2020 at 9:22 PM John Carlson <yottzumm at gmail.com
>>> <mailto:yottzumm at gmail.com>> wrote:
>>> >
>>> >         Andreas, can you share any info about why field routing may
>>> not be working for X3DScripts in X3DOM?  See coderextreme repository.
>>> >
>>> >         When I get a chance, I will peek at proto declare/interface
>>> fields, but my understanding is those go away!
>>> >
>>> >         Note that I’m not currently working on SAI for X3DOM, but I do
>>> have some preliminary steps for declaring field types.
>>> >
>>> >         John
>>> >
>>> >         On Wed, Oct 14, 2020 at 6:45 PM Don Brutzman <brutzman at nps.edu
>>> <mailto:brutzman at nps.edu>> wrote:
>>> >
>>> >             On 10/13/2020 8:26 PM, John Carlson wrote:
>>> >              >
>>> >              > Here’s may be possible:  X3DScript node for X3DOM and
>>>  X_ITE.   PROTOs with scripts
>>> >
>>> >             Script node support is is always topmost deficient.  X3DOM
>>> without scripts is not compliant X3D or VRML.
>>> >
>>> >             Prototypes are tied for importance, as in Really Really
>>> Important for X extensibility.
>>> >
>>> >             Please continue sharing information with Andreas so that
>>> this might all land and work.  Thanks John.
>>> >
>>> >             all the best, Don
>>> >             --
>>> >             Don Brutzman  Naval Postgraduate School, Code USW/Br
>>> brutzman at nps.edu <mailto:brutzman at nps.edu>
>>> >             Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
>>>  +1.831.656.2149
>>> >             X3D graphics, virtual worlds, navy robotics
>>> http://faculty.nps.edu/brutzman
>>> >
>>>
>>> all the best, Don
>>> --
>>> Don Brutzman  Naval Postgraduate School, Code USW/Br
>>> brutzman at nps.edu
>>> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
>>>  +1.831.656.2149
>>> X3D graphics, virtual worlds, navy robotics
>>> http://faculty.nps.edu/brutzman
>>>
>>
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