Web3D/VRML
[] readme course preface 1 2 3 4 5 6 7 reference examples resources

talk show tell print

x-fish.vr (wrl ) [ flux / bitmanagement / cortona / octaga ]

first fish morphs

proto shape


  PROTO shape [
  exposedField SFVec3f translation 0 0 0
  field MFVec2f scale []
  eventIn MFVec2f set_scale
  eventIn SFFloat fraction
  exposedField SFColor color 1 0 0
  ]{

body


  Transform {
  translation IS translation
  rotation 0 0 1 -1.57
  
  children [
  
  Shape {
          appearance Appearance { 
                  material Material {
                            diffuseColor IS color
                          }
                  }

geometry -- extrusion


  geometry DEF X Extrusion {
  spine [ 0 0 0, 0 1 0, 0 2 0, 0 3 0 ]
  scale IS scale
  set_scale IS set_scale
  }
  }
  ] }

script


  DEF S Script {
  directOutput TRUE
  eventIn SFFloat fraction IS fraction
  eventOut MFVec2f scale 
  field SFNode n USE X
  field SFInt32 i 0
  field MFVec2f s1 [ 0.5 0.5,1 1, 0.5 0.5, 0.1 0.1 ]
  field MFVec2f s2 [ 0.1 0.1,0.3 0.3, 0.7 0.7, 0.2 0.2 ]
  field MFVec2f s3 [ 0.3 0.3,0.8 0.8, 0.6 0.6, 0.3 0.3 ]
  field SFColor c1 1 0 0
  field SFColor c2 1 1 0
  field SFColor c3 0 1 1

function


  url "vrmlscript:
  function fraction(value) {
          if (value < 0.3) { n.set_scale = s1; }
          else if (value >= 0.3 && value < 0.6) { n.set_scale = s2; }
          else {
          n.set_scale = s3;
            }
          }
  "
  }
  }

instances


  
  Transform {
  children [
  DEF S1 shape {
  translation 0 0 0
  color 0 0 1
  }
  DEF S2 shape {
  translation 2 1 0
  color 1 1 0
  }
  DEF S3 shape {
  translation 2 -1 0
  color 0 1 1
  }
  DEF S4 shape {
  translation 4 0 0
  color 1 0 0
  } ] }

timer + routing


  
  DEF T TimeSensor { cycleInterval 3 loop TRUE enabled TRUE }
  
  ROUTE T.fraction_changed TO S1.fraction
  ROUTE T.fraction_changed TO S2.fraction
  ROUTE T.fraction_changed TO S3.fraction
  ROUTE T.fraction_changed TO S4.fraction
[] readme course preface 1 2 3 4 5 6 7 reference examples resources
eliens@cs.vu.nl

draft version 0.3 (17/9/2001)