#X3D V4.0 utf8
PROFILE Immersive
# [X3D] version=4.0
# [X3D] noNamespaceSchemaLocation=/specifications/x3d-4.0.xsd
# X3D-to-ClassicVRML XSL translation autogenerated by X3dToClassicVrmlEncoding.xslt and X3dToVrml97.xslt
# /x3d/content/X3dToClassicVrmlEncoding.xslt
# /x3d/content/X3dToVrml97.xslt
# Transformation using XSLT processor: Saxonica
# [head]
META "title" "Rotor.x3d"
META "description" "X3D specification example showing a spinning helicopter rotor that is used by the Chopper model."
META "creator" "Don Brutzman and Joe Williams"
META "created" "1 June 2002"
META "modified" "28 September 2025"
META "specificationSection" "X3D encodings, ISO/IEC 19776-1.3, Part 1: XML encoding, Annex C.16 Chopper"
META "specificationUrl" "/specifications/X3Dv4Draft/ISO-IEC19776-1v4.0-CD/Part01/examples.html#Chopper"
META "identifier" "/x3d/content/examples/Basic/X3dSpecifications/Rotor.x3d"
META "generator" "X3D-Edit 4.0, /x3d/tools/X3D-Edit"
META "license" "../license.html"

# [Scene] ========== ========== ==========
WorldInfo {
  title "Rotor.x3d"
}
PROTO Rotor [
  initializeOnly SFTime	 rate 1
  initializeOnly MFNode	 children [ ]
    # initial value is empty node array

  inputOutput    SFTime	 startTime 0
  inputOutput    SFTime	 stopTime 0
] {
  DEF F Transform {
          children IS children
  }
  DEF T TimeSensor {
    loop TRUE
          cycleInterval IS rate
      startTime IS startTime
      stopTime IS stopTime
  }
  DEF I OrientationInterpolator {
    key [ 0 0.25 0.5 0.75 1 ]
    keyValue [ 0 1 0 0 0 1 0 1.57 0 1 0 3.14 0 1 0 4.71 0 1 0 0 ]
  }
  ROUTE T.fraction_changed TO I.set_fraction
  ROUTE I.value_changed TO F.set_rotation
}
 Rotor {
  children  [
    Shape {
      geometry Box {
        size 4 0.2 0.1
      }
      appearance Appearance {
        material Material {
        }
      }
    }
 ]
}