[x3d-public] Fwd: Turning on and off simultaneous animations individually

Sat Dec 7 15:15:08 PST 2024

Now addressed properly.  Sorry for duplicate.

Added a paragraph at the end.

I’m on board with multiple TimeSensors, but Joe is saying one TimeSensor.
*shrugs*

The link previously sent does this.  I really need to figure out how to
select multiple animations at the same time.  That’s harder, and resetting
each  animation may be required for a good result.

I think the issue is that the weight in the HAnimDisplacer doesn’t get
reset.

We’ll probably be introducing more animations than HAnimDisplacer, where a
single TimeSensor is more highly desired.

John
On Sat, Dec 7, 2024 at 4:08 PM Holger Seelig <holger.seelig at yahoo.de> wrote:

> With animations, it is actually usual to only have as many TimeSensor
> nodes as there are animations and then switch them on and off one after the
> other by toggling the *enabled* field, or via *startTime* and *stopTime*.
> The *fraction_changed* field of each TimeSensor node can also be connected
> to several interpolators, which is more optimal.
>
> Holger
>
> --
> Holger Seelig
> Leipzig, Germany
>
> holger.seelig at yahoo.de
> https://create3000.github.io/x_ite/
>
> Am 07.12.2024 um 22:58 schrieb John Carlson <yottzumm at gmail.com>:
>
> What I get from that is I have to keep a list of ROUTEs for each animation
> and add and remove them as each facial animation is toggled.
>
> My argument is to possibly change X3D semantics to go along with what the
> AI suggested, such that ROUTEs can be enabled/disabled by including them in
> Switches.  But perhaps I can do something with addChildren and
> removeChildren without using SAI?
>
> I’m stumbling around for answers which are probably in event utilities,
> except in a much less understandable way.  I’m looking for something
> straightforward.  If anyone has a mechanism to enable HAnimDisplacers in
> groups without Switch, how did you do it?
>
> At some point, I just try it and see what happens.  I’m wondering if
> someone else has solved this without Switches.
>
> John
>
> On Sat, Dec 7, 2024 at 3:41 PM Holger Seelig via x3d-public <
> x3d-public at web3d.org> wrote:
>
>> Routes are not part of the scene-graph. They exist outside of it. Every
>> X3DExecutionContext has a list of all routes:
>>
>>
>> https://www.web3d.org/documents/specifications/19777-1/V3.3/Part1/functions.html#ExecutionContextServices
>>
>> Holger
>>
>> --
>> Holger Seelig
>> Leipzig, Germany
>>
>> holger.seelig at yahoo.de
>> https://create3000.github.io/x_ite/
>>
>> Am 07.12.2024 um 22:16 schrieb John Carlson via x3d-public <
>> x3d-public at web3d.org>:
>>
>> Okay, I’m attempting to read the spec:
>>
>> “All nodes under a Switch continue to receive and send events regardless
>> of the value of  *whichChoice*. For example, if an active TimeSensor is
>> contained within an inactive choice of a Switch, the TimeSensor sends
>> events regardless of the Switch's state.”
>>
>> So I’m guessing that ROUTEs are not nodes, and thus are susceptible to
>> stop receiving and sending events in a Switch.
>>
>> I don’t even know if ROUTEs can send and receive events.  Sure, they can
>> transmit or transfer events.
>>
>> Clarification in some place in the standard is welcome!
>>
>>
>> John
>>
>>
>> On Sat, Dec 7, 2024 at 2:40 PM John Carlson <yottzumm at gmail.com> wrote:
>>
>>> Would it be possible to put an animation’s ROUTEs in a Switch that could
>>> be toggled on and off with a boolean toggle?
>>>
>>> Google AI says:
>>>
>>> Yes, you can absolutely put "ROUTE" nodes within a "Switch" node in
>>> X3D; in fact, it's a common practice to use them together to dynamically
>>> control which set of connections (via ROUTE) are active depending on which
>>> child node of the Switch is currently selected.
>>>
>>> I didn’t realize that statements were affected by Switch.
>>>
>>> John
>>>
>>> On Sat, Dec 7, 2024 at 1:43 PM John Carlson <yottzumm at gmail.com> wrote:
>>>
>>>> We are dealing with multiple facial animations.  The thing we want to
>>>> do is combine animations using HAnimDisplacers.  Currently, our animations
>>>> go from key = 0 to key = 1, (weight = 0 to weight = 1) and each animation
>>>> is controlled by a single TimeSensor that we enable or disable.  What we
>>>> want to do is enable multiple facial animations, yet retain a single
>>>> TimeSensor.  I have done something with enabling multiple time sensors all
>>>> at the same time.  So, ideally, we could toggle each facial animation
>>>> individually.
>>>>
>>>> Note that one can have multiple simultaneous HAnimDisplacer animations
>>>> on a single Coordinate, they all add up just fine.  There’s no single
>>>> animation per body part requirement as there is in other places in X3D
>>>> (according to Michalis, from my understanding).
>>>>
>>>> I don’t currently know how to individually toggle multiple animations
>>>> without toggling multiple TimeSensors, so assistance is welcome!  Indeed, a
>>>> multiple toggle button X3D example would be welcome (hopefully, something
>>>> we can put in a scenegraph).
>>>>
>>>> Here’s what we currently have
>>>>
>>>> https://github.com/coderextreme/ci2had/blob/main/resources/SingleMenuJin.x3d
>>>>
>>>> As you can see, lots of duplication.
>>>>
>>>> Viewed best in FreeWRL and Sunrize/X_ITE.
>>>>
>>>> John
>>>>
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