#VRML V2.0 utf8
# [X3D] VRML V4.0 utf8
# PROFILE Immersive
# [X3D] version=4.0
# [X3D] noNamespaceSchemaLocation=/specifications/x3d-4.0.xsd
# X3D-to-VRML-97 XSL translation autogenerated by X3dToVrml97.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 [
  field        SFTime	 rate 1
  field        MFNode	 children [ ]
    # initial value is empty node array

  exposedField SFTime	 startTime 0
  exposedField 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 {
        }
      }
    }
 ]
}