[SWF(width='700',height='500',backgroundColor='0x50464b',frameRate='30')]
          public class @ax-flex-fisix-3 extends MovieClip{
                  private var myEngine:FisixEngine
                  private var txtFPS:TextField
                  
                  public function @ax-flex-fisix-3(){
                          //first, create an instance of the fisixengine object
                          myEngine = new FisixEngine()
                          
                          //bound all of the objects in the simulation within a box
                          myEngine.setBounds(new BoundingBox(0,0,700,500))
                          //enable collisions with the bounding box
                          myEngine.boundsCollisions=true
                          
                          //set the gravity to pull down at a rate of 1 pixel per second
                          myEngine.setGravity(0,1)
                          
                          //create a jello cube
                          var jello:FisixObject = myEngine.newFisixObject()
                                  for(var j:int=0;j<3;j++){
                                          for(var i:int=0;i<3;i++){
                                                  jello.newCircleParticle(i*80,j*80,10)
                                          }
                                  }
                                  //constraint all of the particles together, using SpringConstraint's static constraining functions
                                  SpringConstraint.constraintAll(jello,jello.particles,.3)
                                  
                                  jello.innerCollisions=false //disable collisions between all the particles of the jello
                                  jello.setIterations(1) //the higher the iterations, the more 'rigid' the constraints are
                                  jello.setCenter(100,100)
                          
                          //attach the corner of the jello to the mouse
                          myEngine.newMouseAttacher(jello.particles[0],root,3)
  
                          //turn on primitive rendering
                          myEngine.setRender(true)
                          //tell the engine where to render to
                          myEngine.setRenderGraphics(graphics)
  
                          addEventListener(Event.ENTER_FRAME,onEnterFrame)
                          
                          txtFPS = new TextField()
                          addChild(txtFPS)
                  }
                  private function onEnterFrame(e:Event):void{
                          myEngine.mainLoop(1)
  
                          txtFPS.text = int(myEngine.getRealFPS()).toString()
                  }
          }
  }