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    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"HeloFlying.x3d"
          },
          {
            "@name":"creator",
            "@content":"Boon Chuan LEE"
          },
          {
            "@name":"created",
            "@content":"6 September 2001"
          },
          {
            "@name":"modified",
            "@content":"16 December 2025"
          },
          {
            "@name":"TODO",
            "@content":"find sound file"
          },
          {
            "@name":"description",
            "@content":"Modified Helo Flight Path from Savage data base LPD model for DDG-51 Flight IIA"
          },
          {
            "@name":"reference",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/ShipsMilitary/LandingShipTankEnduranceSingapore/HeloFlying.x3d"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/ShipsMilitary/DDG51FlightIIaUnitedStates/HeloFlying.x3d"
          },
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            "@name":"generator",
            "@content":"X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"translated",
            "@content":"26 March 2026"
          },
          {
            "@name":"generator",
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    },
    "Scene": {
        "-children":[
          { "WorldInfo":
            {
              "@title":"HeloFlying.x3d"
            }
          },
          { "Viewpoint":
            {
              "@description":"Helo flying",
              "@position":[0,16,225]
            }
          },
          { "Group":
            {
              "@DEF":"HeloGroup",
              "-children":[
                { "Transform":
                  {
                    "@DEF":"Helo",
                    "-children":[
                      { "Transform":
                        {
                          "@DEF":"Helo1Roll",
                          "-children":[
                            { "Transform":
                              {
                                "@DEF":"Helo1Pitch",
                                "-children":[
                                  { "Transform":
                                    {
                                      "-children":[
                                        { "Inline":
                                          {
                                            "@url":["../../AircraftHelicopters/SH60SeahawkUnitedStates/SH60Seahawk.x3d","https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/SH60Seahawk.x3d","../../AircraftHelicopters/SH60SeahawkUnitedStates/SH60Seahawk.wrl","https://www.web3d.org/x3d/content/examples/Savage/ShipsMilitary/AircraftHelicopters/SH60SeahawkUnitedStates/SH60Seahawk.wrl"]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                },
                { "TouchSensor":
                  {
                    "@DEF":"Touch",
                    "@description":"touch to start helo flying"
                  }
                },
                { "TimeSensor":
                  {
                    "@DEF":"clock",
                    "@cycleInterval":38
                  }
                },
                { "PositionInterpolator":
                  {
                    "@DEF":"Helomover",
                    "@key":[0,0.1,0.15,0.2,0.3,0.4,0.5,0.56,0.62,0.68,0.73,0.8,0.88,0.94,1],
                    "@keyValue":[0.0,0.0,0.0,1.0,30.0,-10.0,115.0,40.0,-50.0,300.0,45.0,-50.0,400.0,60.0,10.0,200.0,50.0,50.0,0.0,50.0,55.0,-100.0,55.0,30.0,-135.0,60.0,10.0,-140.0,60.0,-20.0,-90.0,40.0,-25.0,-30.0,20.0,-15.0,-5.0,15.0,-10.0,0.0,10.0,0.0,0.0,0.0,0.0]
                  }
                },
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                  {
                    "@DEF":"Heloyawer",
                    "@key":[0,0.1,0.2,0.3,0.35,0.4,0.43,0.45,0.47,0.5,0.6,0.7],
                    "@keyValue":[1,0,0,0,1,0,0,-0.12,1,0,0,-0.1,1,0,0,0.18,1,0,0,0.2,1,0,0,0.15,1,0,0,0.785,1,0,0,3.14,1,0,0,4.71,1,0,0,-0.08,1,0,0,0,1,0,0,0]
                  }
                },
                { "OrientationInterpolator":
                  {
                    "@DEF":"Helobanker",
                    "@key":[0,0.05,0.1,0.14,0.2,0.3,0.4,0.5,0.64,0.7,0.76,0.86,0.9,0.93,0.96,1],
                    "@keyValue":[0,1,0,0,0,1,0,0,0,1,0,0.7,0,1,0,0,0,1,0,-0.5,0,1,0,-1.57,0,1,0,-3.14,0,1,0,-3.14,0,1,0,-3.14,0,1,0,-6,0,1,0,0,0,1,0,-0.15,0,1,0,0.15,0,1,0,0,0,1,0,0,0,1,0,0]
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                },
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                    "@DEF":"Helopitch",
                    "@key":[0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.76,0.86,0.9,0.93,0.96,1],
                    "@keyValue":[0,0,1,0,0,0,1,0,0,0,1,0.3,0,0,1,0.3,0,0,1,0,0,0,1,0,0,0,1,0,0,0,1,-0.3,0,0,1,-0.2,0,0,1,-0.2,0,0,1,0.13,0,0,1,0.08,0,0,1,0,0,0,1,0]
                  }
                },
                { "Sound":
                  {
                    "@direction":[1.0,1.0,1.0],
                    "@maxBack":200.0,
                    "@maxFront":200.0,
                    "@minBack":20.0,
                    "@minFront":20.0,
                    "-source":
                      { "AudioClip":
                        {
                          "@DEF":"HeloFlyingAudioClip",
                          "@description":"HeloFlyingAudioClip",
                          "@loop":true,
                          "@url":["HeloRotorSound.wav","https://www.web3d.org/x3d/content/examples/Savage/ShipsMilitary/DDG51FlightIIaUnitedStates/HeloRotorSound.wav"]
                        }
                      }
                  }
                }
              ]
            }
          },
          { "ROUTE":
            {
              "@fromField":"touchTime",
              "@fromNode":"Touch",
              "@toField":"set_startTime",
              "@toNode":"clock"
            }
          },
          { "ROUTE":
            {
              "@fromField":"fraction_changed",
              "@fromNode":"clock",
              "@toField":"set_fraction",
              "@toNode":"Helomover"
            }
          },
          { "ROUTE":
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              "@fromField":"value_changed",
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              "@toField":"set_translation",
              "@toNode":"Helo"
            }
          },
          { "ROUTE":
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              "@fromField":"fraction_changed",
              "@fromNode":"clock",
              "@toField":"set_fraction",
              "@toNode":"Helobanker"
            }
          },
          { "ROUTE":
            {
              "@fromField":"fraction_changed",
              "@fromNode":"clock",
              "@toField":"set_fraction",
              "@toNode":"Heloyawer"
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          },
          { "ROUTE":
            {
              "@fromField":"value_changed",
              "@fromNode":"Heloyawer",
              "@toField":"set_rotation",
              "@toNode":"Helo1Roll"
            }
          },
          { "ROUTE":
            {
              "@fromField":"value_changed",
              "@fromNode":"Helobanker",
              "@toField":"set_rotation",
              "@toNode":"Helo1Pitch"
            }
          },
          { "ROUTE":
            {
              "@fromField":"fraction_changed",
              "@fromNode":"clock",
              "@toField":"set_fraction",
              "@toNode":"Helopitch"
            }
          },
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              "@fromNode":"Helopitch",
              "@toField":"set_rotation",
              "@toNode":"Helo"
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}