topical media & game development

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shader-image.mx

shader-image.mx (swf ) [ flash ] flex


  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
  xmlns:ae="*"
  layout="absolute"
  backgroundColor="#000000"
  applicationComplete="complete()">
  
          <mx:Script>
                  <![CDATA[
                          import flash.filters.*;
                          import flash.utils.ByteArray;        
              import flash.utils.getTimer;  
                          
                          //[SWF(width="512",height="512",frameRate="60",backgroundColor="#000000")]        
  
                          //the file that contains the binary bytes of the PixelBender filter
                          [Embed("shader-crystal.pbj", mimeType="application/octet-stream")]
                          private var CustomFilter:Class;        
                          
  

camera -- as usual


              import flash.media.Camera;
              private var camera:Camera; 
    
              private function attach() : void {
              stack.selectedIndex = state; // activate before attach
              camera = Camera.getCamera();
              ca.attachCamera(camera);
              //stack.selectedIndex = state; // delay until ready
              }
  
  

next / display(s)


  
                          private var state:Number = 0;
                          private var max:Number = 3;
                          
                          private function next():void {
                          state+=1;
                          if (state >= max) state = 0;
                          if (state == 2) attach();
                          if (state != 2) stack.selectedIndex = state;
                          }
                          
                          
  
  

loop / effect(s)


                private function loop(e : Event) : void {
                            shader.data.size.value = [ 10 + Math.random()*20 ];
                            stack.filters = [filter];       
                    }
  
              private var shader:Shader;
              private var filter:ShaderFilter;
                
  

on completion


                          private function complete():void
                          {
                                  //Pass the loaded filter to the Shader as a ByteArray
                                  shader = new Shader(new CustomFilter() as ByteArray);
                                          
                      shader.data.size.value = [20.0];
                                  filter = new ShaderFilter(shader);
  
                                  //add the filter to the image
                                  stack.filters = [filter];
                                  stage.addEventListener(Event.ENTER_FRAME, loop);
                          }
                  ]]>
          </mx:Script>
          
  

component(s)


  
      <ae:component_screen id="display"/>
      <mx:ViewStack id="stack" width="100%" height="100%">
          <mx:Canvas>
          <mx:Image id="im" click="next();" right="0" left="0" top="0" bottom="0" maintainAspectRatio="false" source="@Embed(source='soutine.jpg')"/>
          </mx:Canvas>
          <mx:Canvas>
          <mx:Image id="vd"  click="next();"  right="0" left="0" top="0" bottom="0" maintainAspectRatio="false" source="@walk.png"/>
          </mx:Canvas><mx:Canvas>
          <mx:VideoDisplay id="ca"  click="next();" right="0" left="0" top="0" bottom="0" maintainAspectRatio="false" />
      </mx:Canvas>
      </mx:ViewStack>
      <mx:HBox left="5" bottom="10">
      <mx:Button color="gray" borderColor="0" fillAlphas="[0, 0]" label="next" click="next();"/>
      </mx:HBox>
      <mx:HBox right="5" bottom="10">
      <mx:Button color="gray" borderColor="0" fillAlphas="[0, 0]" label="fullscreen" click="display.toggle();"/>
      </mx:HBox>
  </mx:Application>
  


(C) Æliens 20/2/2008

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