[x3d-public] TouchSensor disabling/enabling

Fri Dec 3 03:26:29 PST 2021

I can answer both questions with YES! Both have to work! I created a simple test case according to your description, but doesn’t found the error. I could imagine that you have a typo elsewhere, or there is no IS connection between the hinge field, with further insight I cannot say more. Here is the test case:

<?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='Full' version='3.3' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='http://www.web3d.org/specifications/x3d-3.3.xsd'>
  <head>
    <meta name='comment' content='World of Sunrise X3D Editor'/>
    <meta name='created' content='Fri, 3 Dec 2021 12:04:42 +0100'/>
    <meta name='creator' content='Holger Seelig'/>
    <meta name='generator' content='Sunrise X3D Editor V1.0, https://create3000.github.io/Sunrise/'/>
    <meta name='identifier' content='file:///Volumes/Home/Projekte/X_ITE/x_ite/src/tests/touch.x3d'/>
    <meta name='modified' content='Fri, 3 Dec 2021 12:18:25 +0100'/>
  </head>
  <Scene>
    <ProtoDeclare name='Touch'>
      <ProtoInterface>
        <field accessType='initializeOnly' type='SFInt32' name='hinge'/>
      </ProtoInterface>
      <ProtoBody>
        <Group>
          <Shape>
            <Appearance>
              <Material/>
            </Appearance>
            <Box/>
          </Shape>
          <TouchSensor DEF='_1'/>
        </Group>
        <Script DEF='TouchScript'
            directOutput='true'>
          <field accessType='inputOnly' type='SFTime' name='set_time'/>
          <field accessType='initializeOnly' type='SFInt32' name='hinge'/>
          <field accessType='initializeOnly' type='SFNode' name='touch'>
            <TouchSensor USE='_1' containerField='touch'/>
          </field>
          <IS>
            <connect nodeField='hinge' protoField='hinge'/>
          </IS>
<![CDATA[ecmascript:

function initialize ()
{
   touch .enabled = hinge;
}

function set_time (value, time)
{
   print (time);
}]]>
        </Script>
        <ROUTE fromNode='_1' fromField='touchTime' toNode='TouchScript' toField='set_time'/>
      </ProtoBody>
    </ProtoDeclare>
    <ProtoInstance name='Touch'/>
  </Scene>
</X3D>

Best regards,
Holger

> Am 03.12.2021 um 11:52 schrieb <roy.walmsley at gmail.com> <roy.walmsley at gmail.com>:
> 
> Hi,
>  
> I have a Cupboard door prototype (EXTERN type) that has a TouchSensor node, and Script nodes. I pass a field into the prototype a field to indicate where, if at all, the door should hinge. A simple integer, 0 = no hinge, 1 = left hinge, etc. I want to disable the TouchSensor when no hinge is specified.
>  
> I already have a Script, with ‘directOutput’ set to true, that has an initialize() function to set up other nodes for drawing, based on passed in field data. So, I thought, why not add a simple check to this function, and set the ‘enabled’ field of the TouchSensor appropriately. So I created a Node field in the Script, and set the value to be a TouchSensor node, that USEd the actual TouchSensor node. Then I set the ‘enabled’ field appropriately in the initialize() function. This did not work. The TouchSensor remains in the enabled state set in the node itself. I then tried a second option, creating an outputOnly SFBool variable in the Script, setting that in the initialise() function, and then ROUTEing that to the ‘enabled’ field of the TouchSensor. Still doesn’t work.
>  
> So, I have two questions:
>  
> Can a TouchSensor be enabled/disabled simply by a ‘directOutput’ from a Script, particularly in an initialise() function? Or does it need an actual event to change it?
> Do Script ‘outputOnly’ fields generate events when they are set in an initialize() function?
>  
> Note I using X_ITE as a viewer. I’ve tried using X3D_Edit, but the Xj3D fails miserably on a number of counts.
>  
> Thank you in advance,
> Roy
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