floppy's interpolators


  NavigationInfo {
     headlight FALSE
  }
  
  Viewpoint {
     description "Entryway"
     position 0 1.6 0
  }
  
  Shape {
     appearance Appearance {
        material Material {
           emissiveColor 0.5 0.5 0.5
        }
     }
     geometry Cylinder {
        radius 15
        height 0.0000001
     }
  }

timer


  
  DEF TIMER TimeSensor {
     cycleInterval 10
     loop TRUE
  }

Colour Interpolator Example


  Transform {
     children [
        DirectionalLight {
           ambientIntensity 0.75
        }
        DEF COLINT ColorInterpolator {
           key [0, 0.33, 0.66, 1]
           keyValue [    1 0 0,
                 0 1 0,
                 0 0 1,
                 1 0 0 ] 
        }
        Transform {
           translation 0 0.5 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       emissiveColor 1 1 1
                    }
                 }
                 geometry Text {
                    string ["ColorInterpolator"]
                    fontStyle FontStyle {
                       justify "MIDDLE"
                    }
                 }
              }
           ]
        }   
        Transform {
           translation 0 3 -10
           children [
              Shape {
                 appearance Appearance {
                    material DEF COLTGT Material {
                       diffuseColor 1 0 0 
                    }
                 }
                 geometry Sphere {
                 }
              }
           ]
        }
     ]
  }

Coordinate Interpolator Example


  Transform {
     rotation  0 1 0 1.04
     children [
        DirectionalLight {
           ambientIntensity 0.75
        }
        DEF CORINT CoordinateInterpolator {
           key [0, 0.2, 0.4, 0.6, 0.8, 1]
           keyValue [    0 1 1, 0 1 -1, -1 -1 0, 1 -1 0,
                  0 2 2, 0 1 -1, -1 -1 0, 1 -1 0,
                  0 1 1, 0 2 -2, -1 -1 0, 1 -1 0,
                  0 1 1, 0 1 -1, -2 -2 0, 1 -1 0,
                  0 1 1, 0 1 -1, -1 -1 0, 2 -2 0,
                  0 1 1, 0 1 -1, -1 -1 0, 1 -1 0 ]
        }
        Transform {
           translation 0 0.5 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       emissiveColor 1 1 1
                    }
                 }
                 geometry Text {
                    string ["CoordinateInterpolator"]
                    fontStyle FontStyle {
                       justify "MIDDLE"
                    }
                 }
              }
           ]
        }   
        Transform {
           translation 0 3 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       diffuseColor 0 0 1
                    }
                 }
                 geometry IndexedFaceSet {
                    coord DEF CORTGT Coordinate {
                       point [ 0 1 1, 0 1 -1, -1 -1 0, 1 -1 0]
                    }
                    coordIndex [   2 3 0 -1,
                          2 0 1 -1,
                          3 2 1 -1,
                          3 1 0 -1 ]
                 }
              }
           ]
        }
     ]
  }

Normal Interpolator Example


  Transform {
     rotation  0 1 0 2.09
     children [
        DirectionalLight {
           ambientIntensity 0.75
        }
        DEF NORINT NormalInterpolator {
           key [0, 0.25, 0.5, 0.75, 1]
           keyValue [   0 0 1, 1 0 0, 0 0 -1, -1 0 0,
                 1 0 0, 0 0 -1, -1 0 0, 0 0 1,
                 0 0 -1, -1 0 0, 0 0 1, 1 0 0, 
                 -1 0 0, 0 0 1, 1 0 0, 0 0 -1, 
                 0 0 1, 1 0 0, 0 0 -1, -1 0 0 ]
        }
        Transform {
           translation 0 0.5 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       emissiveColor 1 1 1
                    }
                 }
                 geometry Text {
                    string ["NormalInterpolator"]
                    fontStyle FontStyle {
                       justify "MIDDLE"
                    }
                 }
              }
           ]
        }   
        Transform {
           translation 0 3 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       diffuseColor 1 0 0 
                    }
                 }
                 geometry IndexedFaceSet {
                    coord Coordinate {
                       point [ 0 1 1, 0 1 -1, -1 -1 0, 1 -1 0]
                    }
                    coordIndex [   2 3 0 -1,
                          2 0 1 -1,
                          3 2 1 -1,
                          3 1 0 -1 ]
                    normal DEF NORTGT Normal {
                       vector [   0 0 1,
                          1 0 0,
                          0 0 -1,
                          -1 0 0]
                    }
                    normalPerVertex TRUE
                    normalIndex [ 0 1 2 -1, 1 2 3 -1, 2 3 0 -1, 3 0 1 -1 ]
                 }
              }
           ]
        }
     ]
  }

Orientation Interpolator Example


  Transform {
     rotation  0 1 0 3.14
     children [
        DirectionalLight {
           ambientIntensity 0.75
        }
        DEF ORIINT 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 6.28 ]
        }
        Transform {
           translation 0 0.5 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       emissiveColor 1 1 1
                    }
                 }
                 geometry Text {
                    string ["OrientationInterpolator"]
                    fontStyle FontStyle {
                       justify "MIDDLE"
                    }
                 }
              }
           ]
        }   
        DEF ORITGT Transform {
           translation 0 3 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       diffuseColor 0 1 0 
                    }
                 }
                 geometry Box {
                 }
              }
           ]
        }
     ]
  }

Position Interpolator Example


  Transform {
     rotation  0 1 0 4.18
     children [
        DirectionalLight {
           ambientIntensity 0.75
        }
        DEF POSINT PositionInterpolator {
           key [0, 0.25, 0.5, 0.75, 1]
           keyValue [   1 4 -10, 
                 1 2 -10,
                 -1 2 -10,
                 -1 4 -10,
                 1 4 -10 ]
        }
        Transform {
           translation 0 0.5 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       emissiveColor 1 1 1
                    }
                 }
                 geometry Text {
                    string ["PositionInterpolator"]
                    fontStyle FontStyle {
                       justify "MIDDLE"
                    }
                 }
              }
           ]
        }   
        DEF POSTGT Transform {
           translation 0 3 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       diffuseColor 1 0 1 
                    }
                 }
                 geometry Sphere {
                 }
              }
           ]
        }
     ]
  }

Scalar Interpolator Example


  Transform {
     rotation  0 1 0 5.24
     children [
        DEF SCLTGT DirectionalLight {
           ambientIntensity 0.75
        }
        DEF SCLINT ScalarInterpolator {
           key [0, 0.25, 0.5, 0.75, 1]
           keyValue [ 0, 0.5, 0, 1, 0 ]
        }
        Transform {
           translation 0 0.5 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       emissiveColor 1 1 1
                    }
                 }
                 geometry Text {
                    string ["ScalarInterpolator"]
                    fontStyle FontStyle {
                       justify "MIDDLE"
                    }
                 }
              }
           ]
        }   
        Transform {
           translation 0 3 -10
           children [
              Shape {
                 appearance Appearance {
                    material Material {
                       diffuseColor 1 1 0 
                    }
                 }
                 geometry Cylinder {
                 }
              }
           ]
        }
     ]
  }

event routing


  
  ROUTE TIMER.fraction_changed TO COLINT.set_fraction
  ROUTE TIMER.fraction_changed TO CORINT.set_fraction
  ROUTE TIMER.fraction_changed TO NORINT.set_fraction
  ROUTE TIMER.fraction_changed TO ORIINT.set_fraction
  ROUTE TIMER.fraction_changed TO POSINT.set_fraction
  ROUTE TIMER.fraction_changed TO SCLINT.set_fraction
  
  ROUTE COLINT.value_changed TO COLTGT.set_diffuseColor
  ROUTE CORINT.value_changed TO CORTGT.set_point
  ROUTE NORINT.value_changed TO NORTGT.set_vector
  ROUTE ORIINT.value_changed TO ORITGT.set_rotation
  ROUTE POSINT.value_changed TO POSTGT.set_translation
  ROUTE SCLINT.value_changed TO SCLTGT.set_intensity

[] readme course preface 1 2 3 4 5 6 7 reference examples resources

eliens@cs.vu.nl

draft version 0.3 (17/9/2001)