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) _

talk show tell print

#graphic-flex-image-effects-04-Flex-NoiseTest.ax

#graphic-flex-image-effects-04-Flex-NoiseTest.ax [swf] [flash] flex 


  package {
  
          import flash.display.Bitmap;
          import flash.display.BitmapData;
          import flash.display.Sprite;
          import flash.events.Event;
          import flash.utils.getTimer;
  
          [SWF(width=400, height=300, backgroundColor=0x000000)]
Demonstrates BitmapData's noise() method by creating animated television white noise. 

  
          public class @ax-graphic-flex-image-effects-04-Flex-NoiseTest extends Sprite {
  
                  private var _bitmapData:BitmapData;
Constructor. Creates bitmap and handler for ENTER_FRAME for animation. 

  
                  public function @ax-graphic-flex-image-effects-04-Flex-NoiseTest() {
                          _bitmapData = new BitmapData(stage.stageWidth, stage.stageHeight);
                          makeNoise();
                          addChild(new Bitmap(_bitmapData));
                          addEventListener(Event.ENTER_FRAME, onSpriteEnterFrame);
                  }
Generates noise in the bitmap data. 

  
                  private function makeNoise():void {
                          _bitmapData.noise(getTimer(), 100, 255, 7, true);
                  }
Generates new noise every frame. 

  
                  private function onSpriteEnterFrame(event:Event):void {
                          makeNoise();
                  }
  
          }
  
  }
[] 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

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.