// forked from nutsu's FLARToolKit use flash.geom package test // forked from mash's FLARToolKit SimpleCube sample // from flartoolkit SimpleCube example // print this marker: http://saqoosha.net/lab/FLARToolKit/flarlogo-marker.pdf // DisplayObject#transform使ってFLARのテスト package { import flash.display.Graphics; import flash.display.Shape; import flash.display.Sprite; import flash.events.Event; import flash.geom.*; import org.libspark.flartoolkit.core.FLARMat; import org.libspark.flartoolkit.core.param.FLARParam; import org.libspark.flartoolkit.core.transmat.FLARTransMatResult; import org.libspark.flartoolkit.core.types.FLARIntSize; import org.libspark.flartoolkit.example.ARAppBase; [SWF( width=640, height=480, frameRate=30, backgroundColor=0 )] public class ARTest extends ARAppBase { private var _base:Sprite; private var _container:Sprite; private var viewScale:Number = 2; // private var _rmat:FLARTransMatResult = new FLARTransMatResult(); private var _de_mat:Matrix3D; private var _sp_mat:Matrix3D; private var _focial_length:Number; private var _p_scaleY:Number; public function ARTest() { Wonderfl.capture_delay( 5 ); addEventListener(Event.INIT, _onInit); init('http://assets.wonderfl.net/static/flar/camera_para.dat', 'http://assets.wonderfl.net/static/flar/flarlogo.pat'); } private function _onInit(e:Event):void { addChild( _base = new Sprite() ); // _capture.width = 320*viewScale; _capture.height = 240*viewScale; _base.addChild(_capture); // //display container for ar matrix. _base.addChild( _container = new Sprite() ); // _sp_mat = new Matrix3D(); _container.transform.matrix3D = _sp_mat; var p:PerspectiveProjection = new PerspectiveProjection(); p.projectionCenter = new Point(_capture.width/2, _capture.height/2); _container.transform.perspectiveProjection = p; // _de_mat = new Matrix3D(); initCamera( this._param ); // initARObjects(); // stage.addEventListener(Event.ENTER_FRAME, _onEnterFrame); } private function initARObjects():void { var plane:Shape = new Shape(); plane.graphics.lineStyle( 2, 0xffffff ); plane.graphics.beginFill( 0xff0000, 0.5 ); plane.graphics.drawRect( -40, -40, 80, 80 ); plane.graphics.endFill(); //x plane.graphics.lineStyle( 2, 0x0000ff ); plane.graphics.moveTo( 0, 0 ); plane.graphics.lineTo( 40, 0 ); //y plane.graphics.lineStyle( 2, 0xff0000 ); plane.graphics.moveTo( 0, 0 ); plane.graphics.lineTo( 0, 40 ); var zax:Shape = new Shape(); zax.graphics.lineStyle( 2, 0x00ff00 ); zax.graphics.moveTo( 0, 0 ); zax.graphics.lineTo( 0, 40 ); zax.rotationX = 90; _container.addChild( plane ); _container.addChild( zax ); } private function _onEnterFrame(e:Event):void { _capture.bitmapData.draw(_video); var detected:Boolean = false; try { detected = _detector.detectMarkerLite(_raster, 80) && _detector.getConfidence() > 0.5; } catch (e:Error) {} if (detected) { _detector.getTransformMatrix(_rmat); _de_mat.rawData = Vector.<Number>( [ _rmat.m00, _rmat.m10, _rmat.m20, 0, _rmat.m01, _rmat.m11, _rmat.m21, 0, _rmat.m02, _rmat.m12, _rmat.m22, 0, _rmat.m03, _rmat.m13, _rmat.m23, 1 ] ); _sp_mat.rawData = Vector.<Number>([0,1,0,0, 1,0,0,0, 0,0,1,0, 0,0,0,1]); _sp_mat.append( _de_mat ); _sp_mat.appendScale( 1, _p_scaleY , 1 ); _sp_mat.appendTranslation( _container.transform.perspectiveProjection.projectionCenter.x, _container.transform.perspectiveProjection.projectionCenter.y, -_container.transform.perspectiveProjection.focalLength ); _container.visible = true; } else { _container.visible = false; } } //無駄あったから整理した private function initCamera( param:FLARParam ):void { var size:FLARIntSize = param.getScreenSize(); var width:int = size.w; var height:int = size.h; var tMat:FLARMat = new FLARMat (3, 4); var iMat:FLARMat = new FLARMat (3, 4); param.getPerspectiveProjectionMatrix().decompMat(iMat, tMat); var icpara:Array = iMat.getArray(); for (var i:int = 0; i < 4; i++) { icpara[1][i] = (height - 1) * (icpara[2][i]) - icpara[1][i]; } var w:Number = icpara[0][0] / icpara[2][2]; var h:Number = -icpara[1][1] / icpara[2][2]; _p_scaleY = h / w; _container.transform.perspectiveProjection.focalLength = viewScale * w; } } }