[x3d-public] Improve my example? No scripts? (John Carlson)

[John Carlson]

Interesting ideas, Andreas, I didn’t realize there was a ColorInterpolator,
Thanks!

John

On Mon, Oct 7, 2024 at 12:02 PM Andreas Plesch via x3d-public <
x3d-public at web3d.org> wrote:

> It would be difficult to do without a script.
>
> But one way may be to have one ColorInterpolator per color (only way
> to generate SFColor out events), and one Timesensor per color (to
> generate fraction events to trigger the color events), all disabled
> initially. (Actually, one set of such pairs for each Cylinder).
>
> Then enable the Timesensor which corresponds to the selected color on
> the color bar, and disable all others. Probably via Touchsensor on
> each color square and routing isActive and negated isActive through
> BooleanFilter to the Timesensors (lots of Routes, colors squared or
> so.)
>
> Then route touchTime from the cylinder Touchsensors to startTime (and
> perhaps stopTime, for one-time triggering) to all Timesensors for the
> Cylinder. Only the enabled Timesensor would trigger SFColor out from
> the associated ColorInterpolator.
>
> Then route all ColorInterpolators (for the specific Cylinder) to all
> Materials. To make this idea work, actually separate sets of
> ColorInterpolator/Timesensor pairs would be needed per individual
> Cylinder.
>
> So this might work but needs very many nodes and routes. On the other
> hand the scripts also need lots of functions.
>
>
> There may be another way based on Switch nodes, and having predefined
> Shapes per color. So given n colors, each Cylinder is a Switch with n
> Shapes. Then touching a cylinder, selects a color based on a
> IntegerTrigger node (per Switch).
>
> The IntegerTrigger nodes are reconfigured (set_integerKey) when a
> color square is selected. I think this can be done via a
> IntegerSequencer which gets a fraction from a ScalarInterpolator (per
> color) with a single keyValue, which is fed from a Timesensor which
> can be triggered from a Touchsensor on the color square.
>
> The piece missing is that reconfiguration also generates triggerValue
> out which would be routed to the Switch nodes which is not wanted
> then. Not sure how to solve this, I could not think of a way.
>
> Some ideas, -Andreas
>
>
> > Message: 1
> > Date: Fri, 4 Oct 2024 14:08:10 -0500
> > From: John Carlson <yottzumm at gmail.com>
> > To: X3D Graphics public mailing list <x3d-public at web3d.org>
> > Subject: [x3d-public] Improve my example? No scripts?
> > Message-ID:
> >         <CAGC3UEmtY=
> 6GjARK+TaQy3HU9FCJrHZgbhe7Zn0mdVafEUoKYQ at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Can this be done without scripts so i can use castle-model-viewer?
> >
> >
> https://github.com/coderextreme/JSONverse/blob/main/public/x3d/symbols3d.x3d
> >
> > If not, can we extend the standard?
> >
> > Thanks!
> >
> > John
>
>
> --
> Andreas Plesch
> Waltham, MA 02453
>
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