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

Sat Dec 7 14:17:20 PST 2024

When I want to activate/deactivate something is a Switch when it becomes visible or hidden, I like to use VisiblitySensor or ProximitySensor nodes. Put a sensor node in every branch of the Switch. They send a *isActive* event (SFBool) and *enterTime*, *exitTime* (SFTime). I guess that’s exactly what you are looking for.

Best regards,
Holger

--
Holger Seelig
Leipzig, Germany

holger.seelig at yahoo.de
https://create3000.github.io/x_ite/

> Am 07.12.2024 um 23:08 schrieb John Carlson via x3d-public <x3d-public at web3d.org>:
> 
> Here’s something for me to try.  It hadn’t occurred to me to use a Script to toggle a Switch, very interesting.
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "http://www.web3d.org/specifications/x3d-3.3.dtd">
> <X3D profile='Immersive' version='3.3'>
>   <Scene>
>     <Switch whichChoice='0' DEF='NavigationSwitch'>
>       <Transform DEF='Option1'>
>         <Shape>
>           <Appearance>
>             <Material diffuseColor='1 0 0'/>
>           </Appearance>
>           <Box size='1 1 1'/>
>         </Shape>
>         <TimeSensor DEF='RedTimer' cycleInterval='2' loop='true'/>
>         <ColorInterpolator DEF='RedColorChanger' 
>                            key='0 0.5 1' 
>                            keyValue='1 0 0, 0.8 0 0, 1 0 0'/>
>         <ROUTE fromNode='RedTimer' fromField='fraction_changed' 
>                 toNode='RedColorChanger' toField='set_fraction'/>
>       </Transform>
>       
>       <Transform DEF='Option2'>
>         <Shape>
>           <Appearance>
>             <Material diffuseColor='0 1 0'/>
>           </Appearance>
>           <Sphere radius='1'/>
>         </Shape>
>         <TimeSensor DEF='GreenTimer' cycleInterval='3' loop='true'/>
>         <ColorInterpolator DEF='GreenColorChanger' 
>                            key='0 0.5 1' 
>                            keyValue='0 1 0, 0 0.8 0, 0 1 0'/>
>         <ROUTE fromNode='GreenTimer' fromField='fraction_changed' 
>                 toNode='GreenColorChanger' toField='set_fraction'/>
>       </Transform>
>     </Switch>
>     
>     <!-- Script to switch between options -->
>     <Script DEF='SwitchController'>
>       <field name='currentChoice' type='SFInt32' accessType='inputOutput' value='0'/>
>       <field name='toggle' type='SFBool' accessType='inputOutput' value='false'/>
>       
>       <body><![CDATA[
>         function toggle(value) {
>           currentChoice = 1 - currentChoice;
>           return currentChoice;
>         }
>       ]]></body>
>     </Script>
>     
>     <TimeTrigger DEF='SwitchTrigger'/>
>     
>     <ROUTE fromNode='SwitchTrigger' fromField='triggerTime' 
>             toNode='SwitchController' toField='toggle'/>
>     <ROUTE fromNode='SwitchController' fromField='currentChoice' 
>             toNode='NavigationSwitch' toField='whichChoice'/>
>   </Scene>
> </X3D>
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