package {
	import com.transmote.flar.FLARCameraSource;
	import com.transmote.flar.FLARLoaderSource;
	import com.transmote.flar.FLARManager;
	import com.transmote.flar.FLARMarkerEvent;
	import com.transmote.flar.FLARPattern;
	import com.transmote.utils.time.FramerateDisplay;
	
	import examples.MarkerOutliner3D;
	
	import flash.display.Sprite;
	import flash.events.Event;
	
	/**
	 * FLARManagerTest_Flash3D draws outlines around detected markers,
	 * using Flash Player 10's 3D capabilities.
	 * it's not working yet; i haven't figured out how to translate
	 * FLARToolkit's transformation matrices to flash.geom.Matrix3D instances
	 * that actually transform things the way we want them.
	 * 
	 * @author	Eric Socolofsky
	 * @url		http://transmote.com/flar
	 */
	[SWF(width="640", height="480", frameRate="30", backgroundColor="#FFFFFF")]
	public class FLARManagerTest_Flash3D extends Sprite {
		private static const CAMERA_PARAMS_PATH:String = "../resources/flar/FLARparams.dat";
		private static const PATTERN_PATH:String = "../resources/flar/patterns/";
		private static const PATTERN_RESOLUTION:uint = 16;
		
		private var patterns:Vector.<FLARPattern>;
		private var flarManager:FLARManager;
		private var markerOutliner3D:MarkerOutliner3D;
		
		public function FLARManagerTest_Flash3D () {
			this.init();
		}
		
		private function init () :void {
			// build list of FLARPatterns for FLARToolkit to detect
			this.patterns = new Vector.<FLARPattern>();
			this.patterns.push(new FLARPattern(PATTERN_PATH+"FLARPatt01.patt", PATTERN_RESOLUTION));
			this.patterns.push(new FLARPattern(PATTERN_PATH+"FLARPatt04.patt", PATTERN_RESOLUTION));
			this.patterns.push(new FLARPattern(PATTERN_PATH+"FLARPatt05.patt", PATTERN_RESOLUTION));
			
			// FLARManager creates and uses a FLARCameraSource by default.
			// the image from the first detected camera will be used for marker detection.
			this.flarManager = new FLARManager(CAMERA_PARAMS_PATH, patterns);
			this.addChild(FLARCameraSource(this.flarManager.flarSource));
			
			// begin listening for FLARMarkerEvents
			this.flarManager.addEventListener(FLARMarkerEvent.MARKER_ADDED, this.onMarkerAdded);
			this.flarManager.addEventListener(FLARMarkerEvent.MARKER_UPDATED, this.onMarkerUpdated);
			this.flarManager.addEventListener(FLARMarkerEvent.MARKER_REMOVED, this.onMarkerRemoved);
			
			var framerateDisplay:FramerateDisplay = new FramerateDisplay();
			this.addChild(framerateDisplay);
			
			// MarkerOutliner3D is a simple class that draws an outline
			// around the edge of detected markers,
			// using Flash Player 10's 3D capabilities,
			// along with FLARToolkit's transformation matrices.
			// it's not working yet :( 
			this.markerOutliner3D = new MarkerOutliner3D();
			this.addChild(this.markerOutliner3D);
		}
		
		private function onMarkerAdded (evt:FLARMarkerEvent) :void {
			//trace("["+evt.marker.patternId+"] added");
			this.markerOutliner3D.addMarker(evt.marker);
		}
		
		private function onMarkerUpdated (evt:FLARMarkerEvent) :void {
			//trace("["+evt.marker.patternId+"] updated");
		}
		
		private function onMarkerRemoved (evt:FLARMarkerEvent) :void {
			//trace("["+evt.marker.patternId+"] removed");
			this.markerOutliner3D.removeMarker(evt.marker);
		}
	}
}