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"@name":"translated", "@content":"20 April 2026" }, { "@name":"generator", "@content":"X3dToJson.xslt, https://www.web3d.org/x3d/stylesheets/X3dToJson.html" }, { "@name":"reference", "@content":"X3D JSON encoding: https://www.web3d.org/wiki/index.php/X3D_JSON_Encoding" } ] }, "Scene": { "-children":[ { "#comment":"========================================" }, { "#comment":"ExternProtoDeclare definitions are used here only for language development - do not copy into other scenes!" }, { "#comment":"ExternProtoDeclare node support is provided either by X3D-compliant browser or X3dToVrml97.xslt ExternProtoDeclare definitions." }, { "#comment":"========================================" }, { "WorldInfo": { "@title":"EventUtilityExamples.x3d" } }, { "ExternProtoDeclare": { "@name":"BooleanFilter", "@appinfo":"BooleanFilter selectively passes true false or negated events.", "@url":["EventUtilityPrototypes.x3d#BooleanFilter","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.x3d#BooleanFilter","EventUtilityPrototypes.wrl#BooleanFilter","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.wrl#BooleanFilter"], "field": [ { "@name":"set_boolean", "@accessType":"inputOnly", "@appinfo":"set_boolean is the input value to be filtered.", "@type":"SFBool" }, { "@name":"inputTrue", "@accessType":"outputOnly", "@appinfo":"inputTrue only passes a true value when set_boolean input is true.", "@type":"SFBool" }, { "@name":"inputFalse", "@accessType":"outputOnly", "@appinfo":"inputFalse only passes a false value when set_boolean is false.", "@type":"SFBool" }, { "@name":"inputNegate", "@accessType":"outputOnly", "@appinfo":"inputNegate provides opposite value by negating set_boolean input.", "@type":"SFBool" } ] } }, { "#comment":"========================================" }, { "ExternProtoDeclare": { "@name":"BooleanToggle", "@appinfo":"BooleanToggle maintains state and negates output when a true input is provided.", "@url":["EventUtilityPrototypes.x3d#BooleanToggle","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.x3d#BooleanToggle","EventUtilityPrototypes.wrl#BooleanToggle","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.wrl#BooleanToggle"], "field": [ { "@name":"set_boolean", "@accessType":"inputOnly", "@appinfo":"If set_boolean input is true toggle state.", "@type":"SFBool" }, { "@name":"set_toggle", "@accessType":"inputOnly", "@appinfo":"Reset persistent state value.", "@type":"SFBool" }, { "@name":"toggle", "@accessType":"initializeOnly", "@appinfo":"Persistent state value that gets toggled or reset.", "@type":"SFBool" }, { "@name":"toggle_changed", "@accessType":"outputOnly", "@appinfo":"Output toggled persistent state value.", "@type":"SFBool" } ], "-children":[ { "#comment":"warning: toggle depends on exposedField functionality in Script node, not compatible with VRML 97. implemented as inputOnly/initializeOnly/outputOnly triplet." } ] } }, { "#comment":"========================================" }, { "ExternProtoDeclare": { "@name":"BooleanTrigger", "@appinfo":"BooleanTrigger converts time events to boolean true events.", "@url":["EventUtilityPrototypes.x3d#BooleanTrigger","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.x3d#BooleanTrigger","EventUtilityPrototypes.wrl#BooleanTrigger","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.wrl#BooleanTrigger"], "field": [ { "@name":"set_triggerTime", "@accessType":"inputOnly", "@appinfo":"set_triggerTime provides input time event typical event sent is TouchSensor touchTime.", "@type":"SFTime" }, { "@name":"triggerTrue", "@accessType":"outputOnly", "@appinfo":"triggerTrue outputs a true value whenever a triggerTime event is received.", "@type":"SFBool" } ] } }, { "#comment":"========================================" }, { "ExternProtoDeclare": { "@name":"IntegerTrigger", "@appinfo":"IntegerTrigger converts boolean true or time input events to integer value (suitable for Switch node).", "@url":["EventUtilityPrototypes.x3d#IntegerTrigger","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.x3d#IntegerTrigger","EventUtilityPrototypes.wrl#IntegerTrigger","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.wrl#IntegerTrigger"], "field": [ { "@name":"set_boolean", "@accessType":"inputOnly", "@appinfo":"If set_boolean input is true trigger output of integer value.", "@type":"SFBool" }, { "@name":"set_integerKey", "@accessType":"inputOnly", "@appinfo":"Resets value used for output when triggered later.", "@type":"SFInt32" }, { "@name":"integerKey", "@accessType":"inputOutput", "@appinfo":"integerKey is value for output when triggered.", "@type":"SFInt32" }, { "@name":"integerKey_changed", "@accessType":"outputOnly", "@appinfo":"Reports change in integerKey value.", "@type":"SFInt32" }, { "@name":"triggerValue", "@accessType":"outputOnly", "@appinfo":"triggerValue provides integer event output matching integerKey when true set_boolean received.", "@type":"SFInt32" } ] } }, { "#comment":"========================================" }, { "ExternProtoDeclare": { "@name":"TimeTrigger", "@appinfo":"TimeTrigger converts boolean true events to time events.", "@url":["EventUtilityPrototypes.x3d#TimeTrigger","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.x3d#TimeTrigger","EventUtilityPrototypes.wrl#TimeTrigger","https://www.web3d.org/x3d/content/examples/Basic/development/EventUtilityPrototypes.wrl#TimeTrigger"], "field": [ { "@name":"set_boolean", "@accessType":"inputOnly", "@appinfo":"If set_boolean input is true trigger output time value.", "@type":"SFBool" }, { "@name":"triggerTime", "@accessType":"outputOnly", "@appinfo":"triggerTime is 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