[x3d-public] X3d new version

[Konstantin Smirnov]

Thanks!  I am also looking for the most efficient ways of coding for from,
JS and. Net
While knowing, improving skills

пн, 6 сент. 2021 г., 01:50 John Carlson <yottzumm at gmail.com>:

> While using interpolators is useful, I don’t really think they are useful
> for 10000 vertices changing in different directions at the same time.   You
> need a script, shaders or some kind of physics.   I have an unusual case.
>
> GL,
>
> John
>
> On Sun, Sep 5, 2021 at 3:45 PM Joseph D Williams <joedwil at earthlink.net>
> wrote:
>
>>
>>
>>    - Could we change shapes dynamically etc
>>
>>
>>
>> How do you wish to change the shape.?
>>
>> If it has points then you just tell the start positions and the final
>> positions.
>>
>> If the number of points or the connections between the points change then
>> it is slightly mor complicated.
>>
>> Look at x y z scaling changes, coordinate interpolators, the
>> hanimdisplacer, and, like John mentioned, slightly shaders.
>>
>> Good Luck,
>>
>> Joe
>>
>>
>>
>> *From: *Konstantin Smirnov <konstantin.e.smirnov at gmail.com>
>> *Sent: *Sunday, September 5, 2021 11:33 AM
>> *To: *John Carlson <yottzumm at gmail.com>
>> *Cc: *x3d-public at web3d.org
>> *Subject: *Re: [x3d-public] X3d new version
>>
>>
>>
>> Thanks for the feedback!
>>
>>
>>
>> вс, 5 сент. 2021 г., 21:30 John Carlson <yottzumm at gmail.com>:
>>
>> You can change position and normal in a vertex shader, but not
>> connectivity.   I’m pretty sure that connectivity stays the same, unless
>> you have a geometry (or tessellation) shader.  If you choose to change
>> position or  normal in a Script,  you will likely find it slower.   Those
>> are reasons why subdivision (X3DOM) and quality (SAI) are introduced, to
>> improve quality.  You should try to see if updating subdivisions in X3DOM
>> achieves what you want.
>>
>>
>>
>> There really is no need to modify connectivity, imho, unless you are
>> doing multi resolution modeling (I’ll let you look that up for yourself).
>>
>>
>>
>> In other words, changing connectivity would look extremely weird.   Even
>> morphing keeps connectivity, AFAICT.
>>
>>
>>
>> Suggestion:   Look up ray tracing, and think about probabilistic ray
>> tracing.
>>
>>
>>
>> You shouldn’t leverage non-standard features in an X3D implementation,
>> because you may find that they will become deprecated and removed.
>>
>>
>>
>> On Sun, Sep 5, 2021 at 3:46 AM Konstantin Smirnov <
>> konstantin.e.smirnov at gmail.com> wrote:
>>
>> Hello
>>
>> What new version features are? In JS
>>
>> Could we change shapes dynamically etc
>>
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>>
>>
>>
>
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