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            "@name":"title",
            "@content":"Wolverine.x3d"
          },
          {
            "@name":"description",
            "@content":"Wolverine is an M1A1 tank chassis with a deployable Heavy Assualt Bridge(HAB). Original M1A1 model authored by Scott Tufts."
          },
          {
            "@name":"creator",
            "@content":"Nick Wittwer"
          },
          {
            "@name":"created",
            "@content":"15 February 2005"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"warning",
            "@content":"TODO list: - split out HAB as separate model; - build prototypes; . figure out how to add HABs to scene repeatedly; - check sound and image urls, permissions"
          },
          {
            "@name":"reference",
            "@content":"WolverineConstructionReport.pdf"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/land/m1.htm"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/land/wolverine.htm"
          },
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            "@name":"Image",
            "@content":"https://www.fas.org/man/dod-101/sys/land/wol3.jpg"
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          {
            "@name":"drawing",
            "@content":"https://www.fas.org/man/dod-101/sys/land/wolverine.htm"
          },
          {
            "@name":"subject",
            "@content":"M1A1 Main Battle Tank Abrams, MBT, Wolverine, HAB, Heavy Assault Bridge, AVLB"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"license",
            "@content":"https://www.web3d.org/x3d/content/examples/Basic/X3dSceneAuthoringHints.html#license"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/GroundVehicles/Wolverine/Wolverine.x3d"
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            "@content":"21 April 2026"
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                    "@DEF":"unfoldButton",
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                          "-appearance":
                            { "Appearance":
                              {
                                "@DEF":"PanelGreen",
                                "-material":
                                  { "Material":
                                    {
                                      "@diffuseColor":[0.2,0.8,0.2]
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                                  }
                              }
                            },
                          "-geometry":
                            { "Sphere":
                              {
                                "@DEF":"Button",
                                "@radius":0.25
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                            }
                        }
                      },
                      { "TouchSensor":
                        {
                          "@DEF":"unfold",
                          "@description":"unfold sensor"
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                      },
                      { "Transform":
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                          "@DEF":"UnfoldText",
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                          "-children":[
                            { "Shape":
                              {
                                "-children":[
                                  {
                                    "#comment":"Text above 1st Button."
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                                ],
                                "-appearance":
                                  { "Appearance":
                                    {
                                      "@DEF":"black",
                                      "-material":
                                        { "Material":
                                          {
                                            "@diffuseColor":[0,0,0]
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                                        }
                                    }
                                  },
                                "-geometry":
                                  { "Text":
                                    {
                                      "@string":["Press to Extend"]
                                    }
                                  }
                              }
                            }
                          ]
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                      },
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                        {
                          "@maxBack":1000,
                          "@maxFront":1000,
                          "-source":
                            { "AudioClip":
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                                "@DEF":"BridgeSound",
                                "@description":"BridgeExtend",
                                "@url":["bridgeExtend.wav","http://www.grsites.com/sounds/18791905/vehicle/vehicle080.wav"]
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                },
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                    "@DEF":"LayDownButton",
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                                "@USE":"Button"
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                      },
                      { "TouchSensor":
                        {
                          "@DEF":"LayOnGroundSensor",
                          "@description":"put bridge on ground senso"
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                      },
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                          "@DEF":"EmployBridgeButton",
                          "@scale":[0.25,0.25,0.25],
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                          "-children":[
                            { "Shape":
                              {
                                "-children":[
                                  {
                                    "#comment":"Text above 2nd Button."
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                                "-appearance":
                                  { "Appearance":
                                    {
                                      "@USE":"black"
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                                  },
                                "-geometry":
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                                      "@string":["Press to Deploy"]
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                    "@DEF":"MoveTank",
                    "@translation":[1,3.5,0],
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                          "-appearance":
                            { "Appearance":
                              {
                                "@USE":"PanelGreen"
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                                "@USE":"Button"
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                        }
                      },
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                          "@DEF":"MoveTankSensor",
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                          "@translation":[-0.5,0.3,0],
                          "-children":[
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                                "-children":[
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                                    "#comment":"Text ablove 3rd button."
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                                      "@USE":"black"
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                                  },
                                "-geometry":
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                                      "@string":["Press to Employ"]
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                      },
                      { "Sound":
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                          "@minBack":1000,
                          "@minFront":1000,
                          "-source":
                            { "AudioClip":
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                                "@DEF":"TankSound",
                                "@description":"TankMoving",
                                "@url":["Tredlop2.wav","http://www.grsites.com/sounds/18791905/vehicle/vehicle025.wav"]
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              "@DEF":"Viewpoints",
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                    "@description":"Side",
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                    "@description":"Side and back",
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          { "Group":
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              "@DEF":"Timers",
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                    "@DEF":"ExtendHABClock",
                    "@cycleInterval":10
                  }
                },
                { "TimeSensor":
                  {
                    "@DEF":"lauchTimer",
                    "@cycleInterval":10
                  }
                },
                { "TimeSensor":
                  {
                    "@DEF":"MoveTankTimer",
                    "@cycleInterval":10
                  }
                }
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            {
              "@DEF":"Movements",
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                    "@DEF":"UnfoldingMovements",
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                        "#comment":"Bottom Bay Movement"
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                        "#comment":"TopBayMovements"
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                        "#comment":"GroundBridge"
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                          "@fromField":"fraction_changed",
                          "@fromNode":"lauchTimer",
                          "@toField":"set_fraction",
                          "@toNode":"BridgeOnGround"
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                        "#comment":"TiltEntireBridge"
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                          "@DEF":"TiltBridgeToGround",
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                          "@fromNode":"lauchTimer",
                          "@toField":"set_fraction",
                          "@toNode":"TiltBridgeToGround"
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                        "#comment":"FrontArmTilt"
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                          "@DEF":"TiltFrontArm",
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                          "@keyValue":[0,0,0,0,0,0,1,-0.9,0,0,0,0]
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                          "@fromNode":"lauchTimer",
                          "@toField":"set_fraction",
                          "@toNode":"TiltFrontArm"
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                        "#comment":"FrontHydraulic"
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                          "@DEF":"ExtendFrontHydraulic",
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                          "@keyValue":[0,1,0,0,2.4,0,0,1,0]
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                      },
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                          "@fromNode":"lauchTimer",
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                          "@toNode":"ExtendFrontHydraulic"
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                          "@DEF":"BackHydCylinder",
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                          "@DEF":"BackHydCylTilt",
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                      },
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                    "@DEF":"CrossTankMovement",
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                        "#comment":"CrossTank"
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                      }
                    ]
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              ]
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          },
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                    "@DEF":"M1ChassisPlus",
                    "-children":[
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                          "@DEF":"M1Chassis",
                          "@scale":[1,1,0.9],
                          "-children":[
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                                "@DEF":"M1A1Chassis",
                                "@url":["M1A1Chassis.wrl","https://www.web3d.org/x3d/content/examples/Savage/GroundVehicles/M1A1/M1A1Chassis.wrl"]
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                      },
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                        "#comment":"HAB turret"
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                                          {
                                            "@DEF":"Surface",
                                            "-geometry":
                                              { "Extrusion":
                                                {
                                                  "@creaseAngle":3.14,
                                                  "@crossSection":[0,-0.05,2,-0.6,26,-2.2,26,-2.0,2,-0.50,0,0.0],
                                                  "@scale":[1,1,1,1,1,1,1,1,1,1],
                                                  "@spine":[0,0,0,0,0,0.5,0,0,1,0,0,1.5,0,0,3.2]
                                                }
                                              },
                                            "-appearance":
                                              { "Appearance":
                                                {
                                                  "-texture":
                                                    { "ImageTexture":
                                                      {
                                                        "@url":["wellwall.jpg","https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/wellwall.jpg"]
                                                      }
                                                    }
                                                }
                                              }
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@DEF":"BridgeSection2",
                                "@translation":[0,0,-3.1],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"BridgeSection1"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@DEF":"ExtraDetails",
                                "@translation":[5.5,0.25,-1.5],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"crossMember1",
                                      "-children":[
                                        { "Shape":
                                          {
                                            "@DEF":"Beam",
                                            "-appearance":
                                              { "Appearance":
                                                {
                                                  "-material":
                                                    { "Material":
                                                      {
                                                        "@DEF":"white",
                                                        "@diffuseColor":[1,1,1]
                                                      }
                                                    }
                                                }
                                              },
                                            "-geometry":
                                              { "Box":
                                                {
                                                  "@size":[0.1,0.2,2.5]
                                                }
                                              }
                                          }
                                        }
                                      ]
                                    }
                                  },
                                  { "Transform":
                                    {
                                      "@DEF":"crossMember2",
                                      "@translation":[1,0.05,0],
                                      "-children":[
                                        { "Shape":
                                          {
                                            "@USE":"Beam"
                                          }
                                        }
                                      ]
                                    }
                                  },
                                  { "Transform":
                                    {
                                      "@DEF":"crossMember3",
                                      "@translation":[3,0.15,0],
                                      "-children":[
                                        { "Shape":
                                          {
                                            "@USE":"Beam"
                                          }
                                        }
                                      ]
                                    }
                                  },
                                  { "Transform":
                                    {
                                      "@DEF":"crossMember4",
                                      "@translation":[4,0.2,0],
                                      "-children":[
                                        { "Shape":
                                          {
                                            "@USE":"Beam"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@DEF":"BridgeHalf2",
                          "-children":[
                            { "Transform":
                              {
                                "@rotation":[0,1,0,3.14],
                                "@translation":[15,1.25,-3.65],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,-0.065],
                                      "-children":[
                                        { "Transform":
                                          {
                                            "@USE":"BridgeHalf"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Group":
                        {
                          "@DEF":"ExtendBridgeRoutes",
                          "-children":[
                            { "ROUTE":
                              {
                                "@fromField":"value_changed",
                                "@fromNode":"BridgePathBottomPositions",
                                "@toField":"set_translation",
                                "@toNode":"BridgeHalf"
                              }
                            },
                            { "ROUTE":
                              {
                                "@fromField":"value_changed",
                                "@fromNode":"BridgePathTopPositions",
                                "@toField":"set_translation",
                                "@toNode":"BridgeHalf2"
                              }
                            },
                            { "ROUTE":
                              {
                                "@fromField":"value_changed",
                                "@fromNode":"TopTilt",
                                "@toField":"set_rotation",
                                "@toNode":"BridgeHalf2"
                              }
                            },
                            { "ROUTE":
                              {
                                "@fromField":"value_changed",
                                "@fromNode":"ExtendFrontHydraulic",
                                "@toField":"set_translation",
                                "@toNode":"LittleFrontHydro"
                              }
                            },
                            { "ROUTE":
                              {
                                "@fromField":"value_changed",
                                "@fromNode":"BackHydCylinder",
                                "@toField":"set_translation",
                                "@toNode":"BackHydroCylinder"
                              }
                            },
                            { "ROUTE":
                              {
                                "@fromField":"value_changed",
                                "@fromNode":"BackHydCylTilt",
                                "@toField":"set_rotation",
                                "@toNode":"BackHydraulic"
                              }
                            },
                            { "ROUTE":
                              {
                                "@fromField":"touchTime",
                                "@fromNode":"unfold",
                                "@toField":"set_startTime",
                                "@toNode":"BridgeSound"
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                },
                {
                  "#comment":"MovementRoutes"
                },
                { "Group":
                  {
                    "@DEF":"LayBridgeRoutes",
                    "-children":[
                      { "ROUTE":
                        {
                          "@fromField":"value_changed",
                          "@fromNode":"BridgeOnGround",
                          "@toField":"set_translation",
                          "@toNode":"HABstack"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"touchTime",
                          "@fromNode":"unfold",
                          "@toField":"startTime",
                          "@toNode":"ExtendHABClock"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"value_changed",
                          "@fromNode":"TiltBridgeToGround",
                          "@toField":"set_rotation",
                          "@toNode":"HABstack"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"touchTime",
                          "@fromNode":"LayOnGroundSensor",
                          "@toField":"startTime",
                          "@toNode":"lauchTimer"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"value_changed",
                          "@fromNode":"TiltFrontArm",
                          "@toField":"set_rotation",
                          "@toNode":"FrontArm"
                        }
                      }
                    ]
                  }
                },
                { "Group":
                  {
                    "@DEF":"CrossBridgeRoutes",
                    "-children":[
                      { "ROUTE":
                        {
                          "@fromField":"value_changed",
                          "@fromNode":"MoveTankAcrossBridge",
                          "@toField":"set_translation",
                          "@toNode":"M1ChassisPlus"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"value_changed",
                          "@fromNode":"TiltTankAcrossBridge",
                          "@toField":"set_rotation",
                          "@toNode":"M1ChassisPlus"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"touchTime",
                          "@fromNode":"MoveTankSensor",
                          "@toField":"startTime",
                          "@toNode":"MoveTankTimer"
                        }
                      },
                      { "ROUTE":
                        {
                          "@fromField":"touchTime",
                          "@fromNode":"MoveTankSensor",
                          "@toField":"set_startTime",
                          "@toNode":"TankSound"
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}