有分支的流程图（倒Y字型），拼图，可用于编程教学，流程图的拼接

package { import flash.display.Bitmap;//Bitmap 类表示用于表示位图图像的显示对象 import flash.display.BitmapData;//BitmapData类可以直接处理位图 import flash.display.DisplayObject;//属性框架Fixjs——显示基类DisplayObject import flash.display.DisplayObjectContainer;//Fixjs——显示容器基类DisplayObjectContainer import flash.display.Loader;//进度指示器 import flash.display.MovieClip;// import flash.display.Shape;// import flash.events.Event;// import flash.events.TimerEvent;// import flash.filters.DropShadowFilter;//滤镜 import flash.geom.Point;//散点图函数 import flash.geom.Rectangle;//数学运算的概念类 import flash.net.URLRequest;//URLRequest 类可捕获单个 HTTP 请求中的所有信息 import flash.text.TextField;// import flash.display.Sprite;//Sprite 类是基本显示列表构造块：一个可显示图形并且也可包含子项的显示列表节点。 import flash.events.MouseEvent;// import flash.utils.Timer;// import flash.display.SimpleButton; /** * ... * @author Jinny */ public class Mains extends MovieClip { private var image:Bitmap; private var bitmapdata:BitmapData; private var loader:Loader=new Loader(); private var pt:Point = new Point(0, 0); private var p:int = 0; private var index:int = 4; private var t:int = 0; private var id:int; //当前目标id private var W:Number; private var H:Number; private var imgList:Array = new Array(); var img:MovieClip=new MovieClip(); private var Container:Sprite; private var bgArr:Array = new Array(); private var Level:int = 1; private var dist:Number=1; private var Row:int = 8;//容器的行数 private var Col:int = 2;//容器的列数 private var Row_Head:int = 3;//容器的列数 private var isDrag:Boolean = false; private var isSucces:Boolean=true; private var isTeacher:Boolean=true; private var failed:MovieClip ; private var X_dist:Number=260;//拼图区域与左上角的距离。 private var Y_dist:Number=60;// private var X_btn:Number=X_dist;//拼图区域与左上角的距离。 private var Y_btn:Number=Y_dist+406+50;// public function Mains() { loadImg(); //start_btn.x=X_btn; //start_btn.y=Y_btn; trace("start_btn.x是："+start_btn.x); trace("start_btn.y是："+start_btn.y); //OK_btn.x=start_btn.x+180; //OK_btn.y=start_btn.y; trace("OK_btn.x是："+OK_btn.x); trace("OK_btn.y："+OK_btn.y); } public function loadImg() { loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loadComplete) loader.load(new URLRequest("Main.jpg"));//导入底图 } public function loadComplete(evt:Event):void { var loaders:Loader = Loader(evt.target.loader); image = Bitmap(loaders.content); bitmapdata = image.bitmapData; setinit(); OK_btn.mouseEnabled = false; start_btn.addEventListener(MouseEvent.CLICK, onStartHandler); } public function onStartHandler(evt:MouseEvent):void { if (isSucces == false) { trace("F") clearScene(); clearArray(); } isDrag = true; start_btn.mouseEnabled = false; OK_btn.mouseEnabled = true; start_btn.removeEventListener(MouseEvent.CLICK, onStartHandler); } private function setinit() { //txt.text = "第" + Level + "关" W = bitmapdata.width / Col; //设置拼图区域的宽: 图片宽/列数 H = bitmapdata.height / Row;//图片高/行数 trace("W:"+W); trace("H:"+H); //装载舞台上的元素的容器 Container=new Sprite(); this.addChild(Container); BitInit();// 显示待拖动的图块 } //W = bitmapdata.width / Col; //设置拼图区域的宽: 图片宽/列数 //H = bitmapdata.height / Row;//图片高/行数 public function BitInit() // 显示待拖动的图块 { for(var i:int=0;i<Row;i++)//先按行复制图块 { if(i<Row_Head) { var bmp:BitmapData = new BitmapData(bitmapdata.width, H, false, 0xff0000ff); bmp.copyPixels(bitmapdata, new Rectangle(bitmapdata.width, i * H, bitmapdata.width, H), new Point(0, 0)); //创建拼图碎片 var pic:Bitmap = new Bitmap(); pic.bitmapData = bmp //bmp是上面建立的对象 pic.width = bitmapdata.width; pic.height = H;//碎片大小 var mc:MovieClip= new MovieClip(); mc.addChild(pic); imgList.push(mc); //创建一个拼图区域 var bgdata:BitmapData = new BitmapData(bitmapdata.width,H,false,0xff0000ff);//0xff0000ff是拼图区域格子的底色 var bgbmp:Bitmap=new Bitmap(); bgbmp.bitmapData = bgdata; trace("bitmapdata.width 2是："+bitmapdata.width); bgbmp.width=bitmapdata.width; bgbmp.height=H; var bg:MovieClip=new MovieClip(); bg.addChild(bgbmp); bg.x =X_dist;//拼图区域格子坐标160 10 是舞台坐标 bg.y =Y_dist+i * (H + dist) ;// //bg.x =X_dist;//拼图区域格子坐标160 10 是舞台坐标 // bg.y =Y_dist+i * H ;// Container.addChild(bg); bgArr.push(bg); //mc.x =Math.random() * (100*(Row+1)/Col)+ 620; //碎片放置的位置 //mc.y = Math.random() * 400 + 30; mc.x =X_dist+bitmapdata.width+50; mc.y = Math.random() * bitmapdata.height; mc.rotation = Math.random() * 0;//旋转 var drop:DropShadowFilter= new DropShadowFilter(); //投影效果 drop.distance =1; drop.angle = 1 mc.filters = [drop]; mc.addEventListener(MouseEvent.MOUSE_DOWN, move)//移动图片，move函数 } else if(i>Row_Head-1) { for(var j:int=0;j<Col;j++) { var bmp:BitmapData = new BitmapData(W, H, false, 0xff0000ff); bmp.copyPixels(bitmapdata, new Rectangle(j * W, i * H, W, H), new Point(0, 0)); //创建一个拼图区域 var bgdata:BitmapData = new BitmapData(W,H,false,0xff0000ff);//0xff0000ff是拼图区域格子的底色 var bgbmp:Bitmap=new Bitmap(); bgbmp.bitmapData = bgdata; trace("bitmapdata.width 2是："+bitmapdata.width); bgbmp.width=W //拼图区域格子宽度 bgbmp.height=H //拼图区域格子高度 var bg:MovieClip=new MovieClip(); bg.addChild(bgbmp); bg.x =X_dist+ j * (W + dist);//拼图区域格子坐标160 10 是舞台坐标 bg.y =Y_dist+i * (H + dist) ;// Container.addChild(bg); bgArr.push(bg); //创建拼图碎片 var pic:Bitmap = new Bitmap(); pic.bitmapData = bmp //bmp是上面建立的对象 pic.width = W; pic.height = H;//碎片大小 var mc:MovieClip= new MovieClip(); mc.addChild(pic); imgList.push(mc); //mc.x =Math.random() * (100*(Row+1)/Col)+ 620; //碎片放置的位置 //mc.y = Math.random() * 400 + 30; mc.x =X_dist+bitmapdata.width+50; mc.y = Math.random() * bitmapdata.height; mc.rotation = Math.random() * 0;//旋转 var drop:DropShadowFilter= new DropShadowFilter(); //投影效果 drop.distance =1; drop.angle = 1 mc.filters = [drop]; mc.addEventListener(MouseEvent.MOUSE_DOWN, move)//移动图片，move函数 if (i ==Row - 1 && j == Col - 1)//是循环到随后一步了i最初是0， { for (var s:int = 0; s <Row * Col; s++ ) { Container.addChild(imgList[s]); } } } } } } public function thumb() //�