Papervision2.0 - dynamically loading MovieMaterial in Flex
August 16th, 2008
I've been working with Flex Builder a lot more lately in case you haven't noticed. I've noticed that a lot Papervision2.0 examples I run into that use MovieMaterial embed the source .swf a little like this:
Actionscript:
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[Embed(source="img01.jpg")]
But, what about loading the .swf in dynamically for more flexibility? It's a whole lot easier than you think:
Actionscript:
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package {
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import flash.display.Loader;
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import flash.display.MovieClip;
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import flash.events.Event;
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import flash.events.IOErrorEvent;
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import flash.events.ProgressEvent;
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import flash.geom.Rectangle;
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import flash.net.URLRequest;
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import org.papervision3d.materials.MovieMaterial;
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import org.papervision3d.objects.primitives.Plane;
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import org.papervision3d.view.BasicView;
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public class FlexLoader extends BasicView
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{
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private var request:URLRequest;
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private var loader:Loader;
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public function FlexLoader()
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{
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super(200,200,false, true);
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loadSWF();
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startRendering();
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}
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private function loadSWF():void {
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request = new URLRequest("assets/matTest.swf");
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loader = new Loader();
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loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
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loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, loadError);
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loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, loadProgress);
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loader.contentLoaderInfo.addEventListener(Event.INIT, loadInit);
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loader.load(request);
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}
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private function makePlane(e:Event):void {
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//create material
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var loadedVidSWF:MovieClip = e.target.content as MovieClip;
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var loadedMat:MovieMaterial = new MovieMaterial(loadedVidSWF, false, true, false, new Rectangle(0,0,400,400));
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loadedMat.doubleSided = true;
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loadedMat.animated = true;
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//create plane
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var vidPlane:Plane = new Plane(loadedMat,400,400,5,5);
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scene.addChild(vidPlane);
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}
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private function loadComplete(e:Event):void {
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trace(e);
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}
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private function loadError(e:IOErrorEvent):void {
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trace(e);
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}
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private function loadProgress(e:ProgressEvent):void {
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trace(e);
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}
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private function loadInit(e:Event):void {
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trace(e);
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makePlane(e);
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//to call a function on your SWFs timeline
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//e.target.content.yourFunction(args);
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}
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override protected function onRenderTick(event:Event = null):void
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{
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super.onRenderTick(event);
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}
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}
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}
Here's the source for even easier reading. It uses rev.691 of Papervision2.0 GreatWhite, but the Papervision classes are not included in this zip file.
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