[in4core]

stage.addEventListener(Event.ENTER_FRAME, frame);
 
function frame(e:Event) {
 
  var i:int =  getDuplicateUnderRandom()
 
  if(i == 0)  setRect()
  else if (i==1)  setTriangle();
  else if( i==2)  setCircle();
 
}
 
function getDuplicateUnderRandom():int {
    var rand:int = Math.floor(Math.random()*2)
   return rand;
}