package
  {
          import com.foed.SteeredVehicle;
          import com.foed.Vector2D;
          import com.foed.Vehicle;
          
          import flash.display.Sprite;
          import flash.display.StageAlign;
          import flash.display.StageScaleMode;
          import flash.events.Event;
  
          public class @ax-lib-flex-animation-code-02-FlockTest extends Sprite
          {
                  private var _vehicles:Array;
                  private var _numVehicles:int = 30;
                  
                  public function @ax-lib-flex-animation-code-02-FlockTest()
                  {
                          stage.align = StageAlign.TOP_LEFT;
                          stage.scaleMode = StageScaleMode.NO_SCALE;
                          
                          _vehicles = new Array();
                          for(var i:int = 0; i < _numVehicles; i++)
                          {
                                  var vehicle:SteeredVehicle = new SteeredVehicle();
                                  vehicle.position = new Vector2D(Math.random() * stage.stageWidth, Math.random() * stage.stageHeight);
                                  vehicle.velocity = new Vector2D(Math.random() * 20 - 10, Math.random() * 20 - 10);
                                  vehicle.edgeBehavior = Vehicle.BOUNCE;
                                  _vehicles.push(vehicle);
                                  addChild(vehicle);
                          }
                          addEventListener(Event.ENTER_FRAME, onEnterFrame);
                  }
                  
                  private function onEnterFrame(event:Event):void
                  {
                          for(var i:int = 0; i < _numVehicles; i++)
                          {
                                  _vehicles[i].flock(_vehicles);
                                  _vehicles[i].update();
                          }
                  }
          }
  }