{ "X3D": { "encoding":"UTF-8", "@profile":"Immersive", "@version":"3.0", "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.0.xsd", "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json", "head": { "meta": [ { "@name":"title", "@content":"ViewPositionOrientationPrototype.x3d" }, { "@name":"creator", "@content":"Leonard Daly and Don Brutzman" }, { "@name":"translator", "@content":"Don Brutzman" }, { "@name":"created", "@content":"1 November 2000" }, { "@name":"modified", "@content":"28 November 2019" }, { "@name":"description", "@content":"ViewPositionOrientation prototype provides local position and orientation as user navigates, with optional console output" }, { "@name":"info", "@content":"Note fix: metadata is no longer an allowed ProtoDeclare field name, since ProtoInstance already includes a metadata field" }, { "@name":"reference", "@content":"ViewPositionOrientationExample.x3d" }, { "@name":"reference", "@content":"https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter14Prototypes/WhereAmIExample.x3d" }, { "@name":"reference", "@content":"https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter14Prototypes/WhereAmIPrototype.x3d" }, { "@name":"reference", "@content":"http://www.realism.com/Web3D/Examples#WhereAmI" }, { "@name":"reference", "@content":"http://www.realism.com/vrml/Example/WhereAmI/WhereAmI_Proto.wrl" }, { "@name":"identifier", "@content":"https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/ViewPositionOrientationPrototype.x3d" }, { "@name":"generator", "@content":"X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit" }, { "@name":"license", "@content":"../../license.html" }, { "@name":"translated", "@content":"26 March 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":"Thanks to Leonard Daly for the original design of this prototype" }, { "WorldInfo": { "@title":"ViewPositionOrientationPrototype.x3d" } }, { "ProtoDeclare": { "@name":"ViewPositionOrientation", "@appinfo":"ViewPositionOrientation provides provides console output of local position and orientation as user navigates", "ProtoInterface": { "field": [ { "@name":"enabled", "@accessType":"inputOutput", "@appinfo":"Whether or not ViewPositionOrientation sends output to console", "@type":"SFBool", "@value":true }, { "@name":"traceEnabled", "@accessType":"initializeOnly", "@appinfo":"Output internal trace messages for debugging this node, intended for developer use only", "@type":"SFBool", "@value":true }, { "@name":"set_traceEnabled", "@accessType":"inputOnly", "@appinfo":"Ability to turn output tracing on/off at runtime", "@type":"SFBool" }, { "@name":"position_changed", "@accessType":"outputOnly", "@appinfo":"Output local position", "@type":"SFVec3f" }, { "@name":"orientation_changed", "@accessType":"outputOnly", "@appinfo":"Output local orientation", "@type":"SFRotation" }, { "@name":"outputViewpointString", "@accessType":"outputOnly", "@appinfo":"MFString value of new Viewpoint, suitable for use in string field of a Text node", "@type":"MFString" } ] }, "ProtoBody": { "-children":[ { "ProximitySensor": { "@DEF":"WhereSensor", "@size":[1000000000,1000000000,1000000000], "IS": { "connect": [ { "@nodeField":"enabled", "@protoField":"enabled" } ] } } }, { "#comment":"it's a big old world out there! large box likely handles most use cases." }, { "Script": { "@DEF":"OutputPositionOrientation", "field": [ { "@name":"traceEnabled", "@accessType":"initializeOnly", "@type":"SFBool" }, { "@name":"set_traceEnabled", "@accessType":"inputOnly", "@type":"SFBool" }, { "@name":"set_position", "@accessType":"inputOnly", "@type":"SFVec3f" }, { "@name":"set_orientation", "@accessType":"inputOnly", "@type":"SFRotation" }, { "@name":"position", "@accessType":"initializeOnly", "@type":"SFVec3f", "@value":[0,0,0] }, { "@name":"orientation", "@accessType":"initializeOnly", "@type":"SFRotation", "@value":[0,1,0,0] }, { "@name":"position_changed", "@accessType":"outputOnly", "@type":"SFVec3f" }, { "@name":"orientation_changed", "@accessType":"outputOnly", "@type":"SFRotation" }, { "@name":"outputViewpointString", "@accessType":"outputOnly", "@type":"MFString" } ], "IS": { "connect": [ { "@nodeField":"traceEnabled", "@protoField":"traceEnabled" }, { "@nodeField":"set_traceEnabled", "@protoField":"set_traceEnabled" }, { "@nodeField":"position_changed", "@protoField":"position_changed" }, { "@nodeField":"orientation_changed", "@protoField":"orientation_changed" }, { "@nodeField":"outputViewpointString", "@protoField":"outputViewpointString" } ] }, "#sourceCode":[ "", "", "ecmascript:", "", "function roundoff (value, digits) // for local use only", "{", "\tvar resolution = 1;", "\tfor (i = 1; i <= digits; i++ )", "\t{", "\t\tresolution *= 10;", "\t}", "\treturn Math.round (value*resolution) / resolution; // round to resolution", "}", "function outputViewpoint ()", "{", " var holdString = ", " '' ;", " tracePrint (holdString);", " outputViewpointString = new MFString (holdString);", "}", "function set_position (value)", "{", "\tposition = value; // save persistent value", "\tposition_changed = position; // output event", "\toutputViewpoint ();", "}", "function set_orientation (value)", "{", "\torientation = value; // save persistent value", "\torientation_changed = orientation; // output event", "\toutputViewpoint ();", "}", "function set_traceEnabled (value)", "{", "\ttraceEnabled = value;", "\talwaysPrint ('traceEnabled=' + traceEnabled);", "}", "function alwaysPrint (text)", "{", "\tBrowser.println ('[ViewPositionOrientation] ' + text);", "}", "function tracePrint (text)", "{", "\tif (traceEnabled) alwaysPrint (text);", "}", "", "" ] } }, { "ROUTE": { "@fromField":"position_changed", "@fromNode":"WhereSensor", "@toField":"set_position", "@toNode":"OutputPositionOrientation" } }, { "ROUTE": { "@fromField":"orientation_changed", "@fromNode":"WhereSensor", "@toField":"set_orientation", "@toNode":"OutputPositionOrientation" } } ] } } }, { "#comment":"====================" }, { "Viewpoint": { "@description":"ViewPositionOrientation prototype", "@position":[0,0,14] } }, { "Anchor": { "@description":"ViewPositionOrientation Example", "@parameter":["target=_blank"], "@url":["ViewPositionOrientationExample.x3d","https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/ViewPositionOrientationExample.x3d","ViewPositionOrientationExample.wrl","https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/ViewPositionOrientationExample.wrl"], "-children":[ { "Shape": { "-geometry": { "Text": { "@string":["ViewPositionOrientationPrototype","is a prototype definition file","Click this text to see","ViewPositionOrientationExample"], "-fontStyle": { "FontStyle": { "@justify":["MIDDLE","MIDDLE"], "@size":1.2 } } } }, "-appearance": { "Appearance": { "-material": { "Material": { "@diffuseColor":[0.6,0.8,0.4] } } } } } }, { "#comment":"Selectable Text design pattern has transparent Box and TouchSensor description as a tooltip" }, { "Shape": { "-children":[ { "#comment":"Author TODO: to adjust transparent Box as text-selection assist, set width and height to match size, then set transparency='1' to make invisible." } ], "-geometry": { "Box": { "@size":[16,7,0.001] } }, "-appearance": { "Appearance": { "-material": { "Material": { "@transparency":1 } } } } } } ] } } ] } } }