Flash as3麦克风的使用

package MoveTesting{import flash.events.Event;import flash.events.MouseEvent;import flash.media.Video;import flash.system.Security;import flash.system.SecurityPanel;import flash.media.Microphone;public class Main extends Sprite {//属性private var _mic:Microphone;private var _mcnum:Number;//构造函数public function Main() {_initMicphone();}//定义麦克风private function _initMicphone():void{_mic = Microphone.getMicrophone();_mic.setLoopBack(true);_mic.gain = 60;_mcnum = 0;this.addEventListener(Event.ENTER_FRAME, _enterFrameHandler);}//帧事件private function _enterFrameHandler(evt:Event) {if (_mcnum>=100){this.removeEventListener(Event.ENTER_FRAME, _enterFrameHandler);trace(“目前声音值是：”+_mcnum +“已经够了！”);SoundMc.gotoAndStop(2);}if (_mic.activityLevel>40){_mcnum += 2;trace(“目前声音值是：”+_mcnum+”，继续努力”);}}以下是通过麦克风和摄像头做的一个小展示：package MoveTesting{import flash.display.Bitmap;import flash.display.BitmapData;import flash.display.Loader;import flash.display.MovieClip;import flash.display.SimpleButton;import flash.display.Sprite;import flash.events.Event;import flash.events.MouseEvent;import flash.events.TextEvent;import flash.events.TimerEvent;import flash.filters.ColorMatrixFilter;import flash.geom.ColorTransform;import flash.geom.Matrix;import flash.geom.Point;import flash.geom.Rectangle;import flash.media.Camera;import flash.media.Video;import .URLRequest;import flash.text.TextField;import .navigateToURL;import flash.utils.Timer;import MoveTesting.img.filter.SearchEdgeFilter;import MoveTesting.quasimondo.geom.ColorMatrix;import flash.geom.Point;import flash.system.Security;import flash.system.SecurityPanel;import flash.display.StageAlign;import flash.display.StageScaleMode;import MoveTesting.JianCe;import flash.media.Microphone;import flash.display.StageDisplayState;public class Main extends Sprite {//属性public var mat:ColorMatrix = new ColorMatrix(mat);public var cm:ColorMatrixFilter;public var edge_filter:SearchEdgeFilter = new SearchEdgeFilter(1, 8);public var my_cam:Camera;public var my_bmp:BitmapData;public var bg_bmp:BitmapData;public var _vid:Video;public var _mc:MovieClip;public var _pengzhuang:JianCe;private var _ldr1:Loader;private var _ldr2:Loader;private var _ldr0:Loader;private var _rq:MovieClip = new MovieClip();private var _car1:DoMc;private var _car2:DoMc;private var _car0:DoorMc;private var _timer:Timer;private var _mic:Microphone;private var _mcnum:Number;private var _bb:BlackBox;private var _mb:MuBu;private var _soundLevel:Number;private var _moshi:Boolean = false;//false为第二阶段；//构造函数public function Main() {stage.align = StageAlign.TOP_LEFT;stage.scaleMode = StageScaleMode.NO_SCALE;stage.displayState = StageDisplayState.FULL_SCREEN;_initColorMatrix();_initCamera();renderInit();_initCar(1);_initMicphone();}//定义麦克风private function _initMicphone():void{_mic = Microphone.getMicrophone();_mic.setLoopBack(true);_mic.gain = 60;_mcnum = 0;_bb = new BlackBox();_bb.x = _bb.y = 0;_bb.alpha = 1;this.addChild(_bb);_mb = new MuBu();_mb.x = _mb.y = 0;this.addChild(_mb);this.addEventListener(Event.ENTER_FRAME, _enterFrameHandler); }//监听事件private function _timerHandler(e:Event):void{_render();_pengzhuang.checkMove(my_bmp);_panduan();}private function _panduan():void{trace(_rq.numChildren);switch(_pengzhuang._leibie) {case 1:if (_moshi==false){_initCar(2);_moshi = true;trace(_moshi);}break;case 2:if (_moshi) {if (_pengzhuang._lamp==1){_car1._display = true;_car2._display = false;}else {_car1._display = false;_car2._display = true;}}else {if (_pengzhuang._door==1){_car0._canNext = true;}else {_car0._canNext = false;}}break;case 3:if (_moshi) {if (_pengzhuang._play==1){_car1._direction = _car2._direction =false;}else {_car1._direction = _car2._direction = true;}}break;}}//帧事件private function _enterFrameHandler(evt:Event) {if (_mcnum>=100){this.removeEventListener(Event.ENTER_FRAME, _enterFrameHandler);this.removeChild(_bb);_initArray();SoundMc.gotoAndStop(2);_timer = new Timer(100);_timer.addEventListener(TimerEvent.TIMER, _timerHandler);_timer.start();}if (_mic.activityLevel>40){_mcnum += 2;_bb.alpha -= 0.02;_mb.gotoAndStop(_mcnum);}}//建立感应区private function _initArray():void{_pengzhuang = new JianCe();this.addChildAt(_pengzhuang,this.numChildren-1);_pengzhuang.makeButton();}//添加摄像头private function _initCamera():void{_mc = new MovieClip();this.addChildAt(_mc,0);_mc.x = 0;_mc.y = 0;my_cam = new Camera();my_cam = Camera.getCamera();my_cam.setQuality(0, 100);my_cam.setMode(256, 192, 30);_vid = new Video(256, 192);_mc.addChild(_vid);_vid.attachCamera(my_cam);_mc.scaleX = _mc.scaleY = 4;Security.showSettings(SecurityPanel.CAMERA); }//初始化颜色矩阵方法private function _initColorMatrix() {mat.threshold(20);cm = new ColorMatrixFilter(mat.matrix);}//初始化渲染public function renderInit() {this.addChild(canvas);canvas.visible = false;my_bmp = new BitmapData(256, 192, false);bg_bmp = my_bmp.clone();bg_bmp.draw(_vid);var bgBmp:Bitmap = new Bitmap(my_bmp);canvas.addChild(bgBmp);//canvas.scaleX =canvas.scaleY= 0.2;}//添加汽车private function _initCar(bt:Number = 1) {this.addChild(_rq);_rq.x = 212;_rq.y = 159;//_rq.scaleX = _rq.scaleY = 1.2;switch (bt){case 1:while (_rq.numChildren>0){_rq.removeChildAt(0);}_ldr0 = new Loader();_ldr0.load(new URLRequest("DoorCar.swf"));_rq.addChild(_ldr0);_ldr0.contentLoaderInfo.addEventListener(PLETE, function doit1(e:Event) { run0(); } );break;case 2:while (_rq.numChildren>0){_rq.removeChildAt(0);}trace(_rq.numChildren,"Clear");_ldr1 = new Loader();_ldr2 = new Loader();_ldr1.load(new URLRequest("OnlyCar.swf"));_ldr2.load(new URLRequest("LampCar.swf"));_rq.addChild(_ldr1);_rq.addChild(_ldr2);_ldr1.contentLoaderInfo.addEventListener(PLETE, function doit1(e:Event) { run1(); } );_ldr2.contentLoaderInfo.addEventListener(PLETE, function doit2(e:Event) { run2(); } );break;}}//private function run0():void{_car0 = Loader(_rq.getChildAt(0)).content as DoorMc;}private function run1():void{_car1 = Loader(_rq.getChildAt(0)).content as DoMc;_car1._canMove = true;}private function run2():void{_car2 = Loader(_rq.getChildAt(1)).content as DoMc;_car2._canMove = true;}//开始渲染private function _render() {var _local1:Matrix = new Matrix();my_bmp.draw(bg_bmp);my_bmp.draw(_mc, _local1, new ColorTransform(), "subtract");bg_bmp.draw(_mc);my_bmp.applyFilter(my_bmp, my_bmp.rect, new Point(0, 0), cm);}}}。