{ "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":"AAAV.x3d"
          },
          {
            "@name":"description",
            "@content":"Advanced Amphibious Assault Vehicle"
          },
          {
            "@name":"creator",
            "@content":"William Geissler"
          },
          {
            "@name":"created",
            "@content":"9 February 2001"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/AAAV.x3d"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/land/aaav.htm"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/land/docs/aaav_WelcomeIntro-1_1/sld002.htm"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"translated",
            "@content":"21 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":
            {
              "@info":["Advanced Amphibious Assault Vehicle"],
              "@title":"AAAV"
            }
          },
          { "NavigationInfo":
            {
              "@speed":50
            }
          },
          { "Background":
            {
              "@groundAngle":[1.309,1.570796],
              "@groundColor":[0,0,0,0,0,0,0,0,0],
              "@skyAngle":[1.309,1.571],
              "@skyColor":[0.5,0.5,0.5,0.4,0.4,0.4,0,0,0]
            }
          },
          { "Viewpoint":
            {
              "@description":"AAAV from behind",
              "@orientation":[0,1,0,-1.57],
              "@position":[-20,6,0]
            }
          },
          {
            "#comment":"Orient nose of vehicle to point along X axis. Center of vehicle is above ground so that 0 elevation puts tracks on the ground. A good depth while swimming (i.e. partially submerged) is -2m along Y axis."
          },
          { "Transform":
            {
              "@scale":[0.875,0.875,0.875],
              "@translation":[0,3,0],
              "-children":[
                { "LOD":
                  {
                    "@range":[200,2000,20000],
                    "-children":[
                      {
                        "#comment":"Close range is high resolution. Need to check scale."
                      },
                      { "Transform":
                        {
                          "@rotation":[0,1,0,1.57],
                          "@scale":[0.45,0.45,0.45],
                          "-children":[
                            { "Transform":
                              {
                                "@DEF":"Track",
                                "-children":[
                                  { "Inline":
                                    {
                                      "@url":["Track.x3d","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/Track.x3d","Track.wrl","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/Track.wrl"]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@DEF":"Body",
                                "@scale":[1.6,2,1.8],
                                "@translation":[0,4,1],
                                "-children":[
                                  { "Inline":
                                    {
                                      "@url":["Body.x3d","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/Body.x3d","Body.wrl","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/Body.wrl"]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@DEF":"Turret",
                                "@rotation":[0,1,0,1.57],
                                "@scale":[0.8,0.8,0.9],
                                "@translation":[0,6.2,4],
                                "-children":[
                                  { "Inline":
                                    {
                                      "@url":["Turret.x3d","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/Turret.x3d","Turret.wrl","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/Turret.wrl"]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      {
                        "#comment":"Medium range is low resolution"
                      },
                      { "Transform":
                        {
                          "@translation":[0,1.35,0],
                          "-children":[
                            { "Shape":
                              {
                                "-geometry":
                                  { "Box":
                                    {
                                      "@size":[8,3.7,4]
                                    }
                                  },
                                "-appearance":
                                  { "Appearance":
                                    {
                                      "-material":
                                        { "Material":
                                          {
                                            "@diffuseColor":[0.02,0.26,0]
                                          }
                                        }
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      },
                      {
                        "#comment":"Long range is tactical symbol"
                      },
                      { "Billboard":
                        {
                          "@DEF":"LongRangeSymbol",
                          "@axisOfRotation":[0,0,0],
                          "-children":[
                            { "Transform":
                              {
                                "@translation":[0,30,0],
                                "-children":[
                                  { "Shape":
                                    {
                                      "-geometry":
                                        { "IndexedFaceSet":
                                          {
                                            "@coordIndex":[0,1,2,3,4,-1],
                                            "@solid":false,
                                            "-coord":
                                              { "Coordinate":
                                                {
                                                  "@point":[60,60,0,60,-60,0,-60,-60,0,-60,60,0,60,60,0]
                                                }
                                              }
                                          }
                                        },
                                      "-appearance":
                                        { "Appearance":
                                          {
                                            "-texture":
                                              { "ImageTexture":
                                                {
                                                  "@url":["AmphibiousTrackedArmorPlatoon.png","https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/AAAV/AmphibiousTrackedArmorPlatoon.png"]
                                                }
                                              }
                                          }
                                        }
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      {
                        "#comment":"Extreme range is not rendered"
                      },
                      { "WorldInfo":
                        {
                          "@info":["null node"]
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}