// forked from romatica's FLARToolkit 2値化された解析画像を表示確認（thresholded BitmapData of source image） // forked from tarotarorg's FLARToolKit Multi Marker Sample(FLAR, Hiro) /* *　「閾値の値をスライダーにより調整できるサンプル」 * 　 Threshold Change Slider * * 　 ２値化するために使用している閾値をスライダで調整。 * 　デフォルトは80。 * 　 範囲は0~255(だとおもうが,0に設定したときに真っ黒にならないなぁ) * * ┏━━━━━┓ * ┃┏━━━┓┃ * ┃┃ F L ┃┃ www.romatica.com/dev/resource/flarlogo-marker.pdf * ┃┃ A R ┃┃ * ┃┗━━━┛┃ * ┗━━━━━┛ * ┏━━━━━━┓ * ┃┏━━━━┓┃ * ┃┃ ┃┃ www.romatica.com/dev/resource/hiro-marker.pdf * ┃┃ Hiro ┃┃ * ┃┗━━━━┛┃ * ┗━━━━━━┛ * */ package { import com.bit101.components.HUISlider; import org.libspark.flartoolkit.core.FLARCode; import org.libspark.flartoolkit.core.param.FLARParam; import org.libspark.flartoolkit.core.raster.rgb.FLARRgbRaster_BitmapData; import org.libspark.flartoolkit.core.transmat.FLARTransMatResult; import org.libspark.flartoolkit.detector.FLARMultiMarkerDetector; import org.libspark.flartoolkit.support.pv3d.*; import org.papervision3d.lights.PointLight3D; import org.papervision3d.materials.shadematerials.FlatShadeMaterial; import org.papervision3d.materials.utils.MaterialsList; import org.papervision3d.objects.primitives.*; import org.papervision3d.render.LazyRenderEngine; import org.papervision3d.scenes.Scene3D; import org.papervision3d.view.Viewport3D; import flash.display.*; import flash.events.*; import flash.media.*; import flash.net.URLLoader; import flash.net.URLLoaderDataFormat; import flash.net.URLRequest; public class MultiMarker_ThersholdChanger extends Sprite { protected var _param : FLARParam; protected var _code : FLARCode; protected var _raster : FLARRgbRaster_BitmapData; protected var _detector : FLARMultiMarkerDetector; protected var _webcam : Camera; protected var _video : Video; protected var _capture : Bitmap; protected var _base : Sprite; protected var _viewport : Viewport3D; protected var _camera3d : FLARCamera3D; protected var _scene : Scene3D; protected var _renderer : LazyRenderEngine; protected var _markerNodes : Array; protected var _resultMat : FLARTransMatResult = new FLARTransMatResult(); protected var _detectedResults : Array; protected var therBMD : Bitmap; private var _patternCodeURLArr : Array; private var _patterLoadCount : int = 0 private var markerPatternCodeArr : Array; private var slider_thershod : HUISlider; private var _threshold : int = 80; public function MultiMarker_ThersholdChanger() { _param = new FLARParam(); _param.changeScreenSize(320, 240); //パターンファイルURL _patternCodeURLArr = [] _patternCodeURLArr.push("http://assets.wonderfl.net/static/flar/flarlogo.pat") _patternCodeURLArr.push("http://www.romatica.com/dev/resource/hiro.pat") markerPatternCodeArr = []; // マーカーパターンファイルの読込み for (var i : int = 0;i < _patternCodeURLArr.length;i++) { var urlLoader : URLLoader = new URLLoader(); urlLoader.dataFormat = URLLoaderDataFormat.TEXT; urlLoader.addEventListener(Event.COMPLETE, this.onLoadCheckCodes); urlLoader.load(new URLRequest(_patternCodeURLArr[i])); } } //パターンファイルロードカウントチェック private function onLoadCheckCodes(event : Event) : void { markerPatternCodeArr[_patterLoadCount] = new FLARCode(16, 16, 50, 50); markerPatternCodeArr[_patterLoadCount].loadARPatt(event.target.data); _patterLoadCount++; if(_patterLoadCount >= _patternCodeURLArr.length) { trace("ALL PATTERN LOADED"); _initCamera_FLAR(); _initPV3D(); } } //カメラとFLARセット private function _initCamera_FLAR() : void { // setup webcam _webcam = Camera.getCamera(); if (!_webcam) { throw new Error('No webcam!!!!'); } _webcam.setMode(320, 240, 30); _video = new Video(320, 240); _video.attachCamera(_webcam); _capture = new Bitmap(new BitmapData(320, 240, false, 0), PixelSnapping.AUTO, true); // setup ARToolkit _raster = new FLARRgbRaster_BitmapData(_capture.bitmapData); _detector = new FLARMultiMarkerDetector(_param, markerPatternCodeArr, [80, 80], 2); _detector.setContinueMode(true); } //PV3Dセット private function _initPV3D() : void { _base = addChild(new Sprite()) as Sprite; _base.addChild(_capture); _viewport = _base.addChild(new Viewport3D(320, 240)) as Viewport3D; _viewport.x = -4; // 4pix ??? _camera3d = new FLARCamera3D(_param); _scene = new Scene3D(); _markerNodes = new Array(); _markerNodes[0] = _scene.addChild(new FLARBaseNode()) as FLARBaseNode; _markerNodes[1] = _scene.addChild(new FLARBaseNode()) as FLARBaseNode; // マーカー上に表示するものを定義 var light : PointLight3D = new PointLight3D(); light.x = 0; light.y = 1000; light.z = -1000; var flarFmat : FlatShadeMaterial = new FlatShadeMaterial(light, 0xFF0000, 0x660000); var flarCube : Cube = new Cube(new MaterialsList({ all:flarFmat }), 40, 40, 40); flarCube.z = 20; _markerNodes[0].addChild(flarCube); var hiroFmat : FlatShadeMaterial = new FlatShadeMaterial(light, 0x00FF00, 0x006600); var hiroCube : Cube = new Cube(new MaterialsList({ all:hiroFmat }), 40, 40, 40); hiroCube.z = 20; _markerNodes[1].addChild(hiroCube); _renderer = new LazyRenderEngine(_scene, _camera3d, _viewport); this._detectedResults = new Array(); for (var j : int = 0;j < _markerNodes.length;j++) { this._detectedResults[j] = { confidence:0, index:0 }; } //2値化画像と、しきい値変更UIをセット setVisibleThersholdeImage(); addEventListener(Event.ENTER_FRAME, _onEnterFrame); //Wonderfl.capture_delay(20); } //2値化画像と、スライダー作成 private function setVisibleThersholdeImage() : void { therBMD = addChild(new Bitmap(_detector.thresholdedBitmapData)) as Bitmap; therBMD.y = stage.stageHeight - therBMD.height; slider_thershod = new HUISlider(this, 10, 30, "Thershold", function(e : Event):void { _threshold = int(e.currentTarget.value); }); slider_thershod.y = 250; slider_thershod.minimum = 0; slider_thershod.maximum = 255; slider_thershod.value = 80; addChild(slider_thershod) } private function _onEnterFrame(e : Event = null) : void { _capture.bitmapData.draw(_video); var detectedMarkers : int; try { detectedMarkers = _detector.detectMarkerLite(_raster, _threshold); } catch (e : Error) { } for (var i : int = 0;i < detectedMarkers;i++) { var confidence : Number = _detector.getConfidence(i); var codeIndex : int = _detector.getARCodeIndex(i); if (this._detectedResults[codeIndex].confidence < confidence) { this._detectedResults[codeIndex].confidence = confidence; this._detectedResults[codeIndex].index = i; } } for (var k : int = 0;k < this._detectedResults.length;k++) { var node : FLARBaseNode = _markerNodes[k] as FLARBaseNode; if (this._detectedResults[k].confidence > 0.5) { _detector.getTransmationMatrix(this._detectedResults[k].index, _resultMat); node.setTransformMatrix(_resultMat); node.visible = true; } else { node.visible = false; } this._detectedResults[k].index = 0; this._detectedResults[k].confidence = 0; } _renderer.render(); } } }