{ "X3D": {
    "encoding":"UTF-8",
    "@profile":"Immersive",
    "@version":"3.3",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.3.xsd",
    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"VirtualRealityHackathonLogoLetterPrototypes.x3d"
          },
          {
            "@name":"description",
            "@content":"This model defines a spinning X3D VRH logo for Virtual Reality Hackathon, using a cube of size 2 x 2 x 2 with the letter sequence V, R and H appearing twice around the faces. Each sequence is a different colour."
          },
          {
            "@name":"creator",
            "@content":"Roy Walmsley"
          },
          {
            "@name":"created",
            "@content":"3 March 2017"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"TODO",
            "@content":"fix X3DJSAIL ClassicVRML export of ProtoInstance MFNode fieldValue entries to list nested ProtoInstance nodes"
          },
          {
            "@name":"reference",
            "@content":"CubeLogoPrototype.x3d"
          },
          {
            "@name":"reference",
            "@content":"LogoLetterPrototypes.x3d"
          },
          {
            "@name":"reference",
            "@content":"VirtualRealityHackathonLogo.x3d"
          },
          {
            "@name":"generator",
            "@content":"manual"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/VirtualRealityHackathonLogoLetterPrototypes.x3d"
          },
          {
            "@name":"license",
            "@content":"../license.html"
          },
          {
            "@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":[
          { "WorldInfo":
            {
              "@title":"VirtualRealityHackathonLogoLetterPrototypes.x3d"
            }
          },
          { "ExternProtoDeclare":
            {
              "@name":"Cubic_Logo",
              "@url":["CubeLogoPrototype.x3d#Cubic_Logo","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/CubeLogoPrototype.x3d#Cubic_Logo","CubeLogoPrototype.wrl#Cubic_Logo","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/CubeLogoPrototype.wrl#Cubic_Logo"],
              "field": [
                {
                  "@name":"internalColor",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                },
                {
                  "@name":"frontFace",
                  "@accessType":"inputOutput",
                  "@type":"MFNode"
                },
                {
                  "@name":"backFace",
                  "@accessType":"inputOutput",
                  "@type":"MFNode"
                },
                {
                  "@name":"leftFace",
                  "@accessType":"inputOutput",
                  "@type":"MFNode"
                },
                {
                  "@name":"rightFace",
                  "@accessType":"inputOutput",
                  "@type":"MFNode"
                },
                {
                  "@name":"topFace",
                  "@accessType":"inputOutput",
                  "@type":"MFNode"
                },
                {
                  "@name":"bottomFace",
                  "@accessType":"inputOutput",
                  "@type":"MFNode"
                }
              ]
            }
          },
          { "ExternProtoDeclare":
            {
              "@name":"Logo_letter_H",
              "@url":["LogoLetterPrototypes.x3d#Logo_letter_H","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/LogoLetterPrototypes.x3d#Logo_letter_H","LogoLetterPrototypes.wrl#Logo_letter_H","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/LogoLetterPrototypes.wrl#Logo_letter_H"],
              "field": [
                {
                  "@name":"front_colour",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                },
                {
                  "@name":"sides_colour",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                }
              ]
            }
          },
          { "ExternProtoDeclare":
            {
              "@name":"Logo_letter_R",
              "@url":["LogoLetterPrototypes.x3d#Logo_letter_R","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/LogoLetterPrototypes.x3d#Logo_letter_R","LogoLetterPrototypes.wrl#Logo_letter_R","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/LogoLetterPrototypes.wrl#Logo_letter_R"],
              "field": [
                {
                  "@name":"front_colour",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                },
                {
                  "@name":"sides_colour",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                }
              ]
            }
          },
          { "ExternProtoDeclare":
            {
              "@name":"Logo_letter_V",
              "@url":["LogoLetterPrototypes.x3d#Logo_letter_V","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/LogoLetterPrototypes.x3d#Logo_letter_V","LogoLetterPrototypes.wrl#Logo_letter_V","https://www.web3d.org/x3d/content/examples/Basic/Web3dOutreach/LogoLetterPrototypes.wrl#Logo_letter_V"],
              "field": [
                {
                  "@name":"front_colour",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                },
                {
                  "@name":"sides_colour",
                  "@accessType":"inputOutput",
                  "@type":"SFColor"
                }
              ]
            }
          },
          { "NavigationInfo":
            {
              "@avatarSize":[0.25,1.75,0.75],
              "@headlight":false
            }
          },
          { "Background":
            {
              "@DEF":"WO_World",
              "@groundColor":[1,1,1],
              "@skyColor":[1,1,1]
            }
          },
          { "PointLight":
            {
              "@DEF":"Lamp",
              "@ambientIntensity":1,
              "@location":[0,0,10],
              "@radius":20
            }
          },
          { "Viewpoint":
            {
              "@DEF":"Camera",
              "@description":"Virtual Reality Hackathon Logo Letter Prototypes",
              "@fieldOfView":0.858,
              "@position":[0,0,4]
            }
          },
          { "Transform":
            {
              "@DEF":"Logo_Transform",
              "-children":[
                { "Transform":
                  {
                    "@rotation":[0,0,1,0.7854],
                    "@scale":[2,2,2],
                    "-children":[
                      { "ProtoInstance":
                        {
                          "@name":"Cubic_Logo",
                          "fieldValue": [
                            {
                              "@name":"internalColor",
                              "@value":[0.6,0.6,0.6]
                            },
                            {
                              "@name":"frontFace",
                              "-children":[
                                { "ProtoInstance":
                                  {
                                    "@name":"Logo_letter_V",
                                    "fieldValue": [
                                      {
                                        "@name":"front_colour",
                                        "@value":[0.80,0.67,0.31]
                                      },
                                      {
                                        "@name":"sides_colour",
                                        "@value":[0.91,0.90,0.78]
                                      }
                                    ]
                                  }
                                }
                              ]
                            },
                            {
                              "@name":"bottomFace",
                              "-children":[
                                { "ProtoInstance":
                                  {
                                    "@name":"Logo_letter_V",
                                    "fieldValue": [
                                      {
                                        "@name":"front_colour",
                                        "@value":[0.47,0.65,0.80]
                                      },
                                      {
                                        "@name":"sides_colour",
                                        "@value":[0.73,0.79,0.84]
                                      }
                                    ]
                                  }
                                }
                              ]
                            },
                            {
                              "@name":"rightFace",
                              "-children":[
                                { "ProtoInstance":
                                  {
                                    "@name":"Logo_letter_R",
                                    "fieldValue": [
                                      {
                                        "@name":"front_colour",
                                        "@value":[0.80,0.67,0.31]
                                      },
                                      {
                                        "@name":"sides_colour",
                                        "@value":[0.91,0.90,0.78]
                                      }
                                    ]
                                  }
                                }
                              ]
                            },
                            {
                              "@name":"leftFace",
                              "-children":[
                                { "ProtoInstance":
                                  {
                                    "@name":"Logo_letter_R",
                                    "fieldValue": [
                                      {
                                        "@name":"front_colour",
                                        "@value":[0.47,0.65,0.80]
                                      },
                                      {
                                        "@name":"sides_colour",
                                        "@value":[0.73,0.79,0.84]
                                      }
                                    ]
                                  }
                                }
                              ]
                            },
                            {
                              "@name":"backFace",
                              "-children":[
                                { "ProtoInstance":
                                  {
                                    "@name":"Logo_letter_H",
                                    "fieldValue": [
                                      {
                                        "@name":"front_colour",
                                        "@value":[0.80,0.67,0.31]
                                      },
                                      {
                                        "@name":"sides_colour",
                                        "@value":[0.91,0.90,0.78]
                                      }
                                    ]
                                  }
                                }
                              ]
                            },
                            {
                              "@name":"topFace",
                              "-children":[
                                { "ProtoInstance":
                                  {
                                    "@name":"Logo_letter_H",
                                    "fieldValue": [
                                      {
                                        "@name":"front_colour",
                                        "@value":[0.47,0.65,0.80]
                                      },
                                      {
                                        "@name":"sides_colour",
                                        "@value":[0.73,0.79,0.84]
                                      }
                                    ]
                                  }
                                }
                              ]
                            }
                          ]
                        }
                      }
                    ]
                  }
                }
              ]
            }
          },
          { "TimeSensor":
            {
              "@DEF":"Rotation_Timer",
              "@cycleInterval":3,
              "@loop":true
            }
          },
          { "OrientationInterpolator":
            {
              "@DEF":"rotation_Interpolator",
              "@key":[0,0.125,0.25,0.375,0.5,0.625,0.75,0.875,1],
              "@keyValue":[0,1,0,0,0,1,0,-0.7,0,1,0,-1.57,0,1,0,-2.35,0,1,0,-3.14,0,1,0,-3.926,0,1,0,-4.71238,0,1,0,-5.4977,0,1,0,-6.28]
            }
          },
          { "ROUTE":
            {
              "@fromField":"fraction_changed",
              "@fromNode":"Rotation_Timer",
              "@toField":"set_fraction",
              "@toNode":"rotation_Interpolator"
            }
          },
          { "ROUTE":
            {
              "@fromField":"value_changed",
              "@fromNode":"rotation_Interpolator",
              "@toField":"rotation",
              "@toNode":"Logo_Transform"
            }
          }
        ]
    }
  }
}