topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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animation-ch03-Pulse.ax

animation-ch03-Pulse.ax [swf] [flash] flex 


  package
  {
   import flash.display.Sprite;
   import flash.events.Event;
   
   public class @ax-animation-ch03-Pulse extends Sprite {
    private var ball:animation_ch03_Ball;
    private var angle:Number = 0;
    private var centerScale:Number = 1;
    private var range:Number = .5;
    private var speed:Number = .1;
    
    public function @ax-animation-ch03-Pulse() {
     init();
    }

init(s)


    private function init():void {
     ball = new animation_ch03_Ball();
     addChild(ball);
     ball.x = stage.stageWidth / 2;
     ball.y = stage.stageHeight / 2;
     addEventListener(Event.ENTER_FRAME, onEnterFrame);
    }

frame(s)


    public function onEnterFrame(event:Event):void {
     ball.scaleX = ball.scaleY = centerScale + Math.sin(angle) * range;
     angle += speed;
    }
   }
  }
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 04/09/2009

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