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

[John Carlson]

Andreas,

For extra credit, reset the animation each time a toggle button is
pressed.  So far, it looks dubious without scripting.

Got a reliable solution for resetting the animations?

On Wed, Dec 11, 2024 at 3:08 PM Andreas Plesch <andreasplesch at gmail.com>
wrote:

> Hi John, group,
>
> Exploring how far one could get without X3D scripts and only using
> event utilities, let me share an example of a panel of individually
> controlled toggle buttons which then drive a simple assemblage of
> individually animated spheres:
>
>
> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://gist.githubusercontent.com/andreasplesch/6fd2fd0b0f745b3549b74150b7752d89/raw/37f94755f763ecc9a0439a0dab2f32441e8b12aa/toggleButtonExample.x3d
>
> https://gist.github.com/andreasplesch/6fd2fd0b0f745b3549b74150b7752d89
>
> There are two sections, one for the control panel and one for the
> controlled assemblage. Each section has a Proto as the main building
> block for simple reuse. The toggle button Proto is based on wrapping,
> synced Integer and BooleanSequencers for color toggling and outputting
> useful events corresponding to the state of the button. This is
> probably the most useful and interesting part. Everything else is more
> for demonstration.
> There is also an animatedBlob Proto which shows how animations might
> be controlled by routing events from a toggle button.
> The animations all start out in sync after being enabled by a button
> but then can be individually paused and resumed for arbitrarily
> pulsating patterns.
>
> Event utilities generally turn out to require verbose declarative
> code, compared to logic in scripts but that can be mitigated to a good
> extent by Protos which also help with scene structure.
>
> There is one standard related question which came up for me and I
> think that may have been raised before. The question is what the
> value_changed should be after a Sequencer receives a first 'next'
> event without ever having received a set_fraction or other event. In
> this case there is not a next value because there was never any value
> in the first place. Both x3dom and x_ite currently output the first
> keyValue and set the first key as the current key in this case.
>
> x_ite and x3dom work almost the same with the example. x_ite
> immediately starts the animations where x3dom waits as intended until
> the related Timesensors receive a first 'enabled' event. There may be
> a simple fix for x_ite use but I could not find it.
>
> Thanks, -Andreas
>
> On Sat, Dec 7, 2024 at 4:37 PM John Carlson <yottzumm at gmail.com> wrote:
> >
> > So here’s an interesting question:  If I have the same ROUTE in two
> different choices in a Switch, is one of them ignored?
> >
> > Not that I’m going to do that.
> >
> > I’m probably going to try using a Switch unless someone says that ROUTEs
> are always active in a Switch, disagreeing with the AI.
> >
> > John
> >
> > On Sat, Dec 7, 2024 at 3:29 PM John Carlson <yottzumm at gmail.com> wrote:
> >>
> >> From X3D4:
> >>
> >>
> >> 4.4.8.2 Routes
> >>
> >> Routes are not nodes.
> >>
> >> [snip]
> >>
> >> Redundant routing is ignored. If an X3D file repeats a routing path,
> the second and subsequent identical routes are ignored. This also applies
> for routes created dynamically using the X3D SAI.
> >>
> >>
> >> Can someone clarify how statements are affected by Switches?  Can I
> have different choices of a PROTO inside a Switch?  Effectively changing
> ProtoBody content at run-time???
> >>
> >> 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
>
>
>
> --
> Andreas Plesch
> Waltham, MA 02453
>
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