Tutorial (ProxVisMovieTexture)

#VRML V2.0 utf8
PROTO ProxVisMovieTexture [
            eventIn      SFBool set_enabled
            eventOut    SFBool isActive
            exposedField MFString      url    [  ]
            field        SFTime cycleInterval  1
          ]
{
  DEF mt_0 ImageTexture {
    url IS url
  }
  DEF mt_clock_1 TimeSensor {
    isActive IS isActive
    startTime  0
    stopTime    0
    cycleInterval IS cycleInterval
    loop        TRUE
  }
  DEF mt_script_2 Script {
    eventIn      SFBool set_enabled IS set_enabled
    eventIn      SFFloat        set_fraction
    eventOut    SFTime startTime_changed
    eventOut    SFTime stopTime_changed
    eventOut    MFString      img_changed
    field        MFString      img    IS url
    field        SFInt32        index  0
    field        SFFloat        div    1
    url "vrmlscript:
function set_enabled(v,t){
 if(v){ startTime_changed = t;
        print('start');
 }
 else{
  stopTime_changed =t;
  print('stop');
 }
}



function set_fraction(v,t){

 ii = Math.floor(v/div);
 if(ii != index){
  index ++;
  if(index >= img.length){index = 0;}
  img_changed = new MFString(img[ii]);
 }
}

function initialize(){
 //stopTime_changed = Browser.getWorldStartTime();
 
 div = 1 / img.length;
 
 }

"
  }
  ROUTE mt_script_2.img_changed TO mt_0.set_url
  ROUTE mt_script_2.startTime_changed TO mt_clock_1.set_startTime
  ROUTE mt_script_2.stopTime_changed TO mt_clock_1.set_stopTime
  ROUTE mt_clock_1.fraction_changed TO mt_script_2.set_fraction
}

texture ProxVisMovieTexture {
url ["a2.jpg","a3.jpg","a4.jpg","a5.jpg","a1.jpg"]
cycleInterval 0.5
}