flash 容器滚动效果

import flash.display.MovieClip;import flash.geom.Rectangle;import fl.controls.UIScrollBar;import fl.controls.ScrollBarDirection;import fl.events.ScrollEvent;var container:MovieClip=new MovieClip();//container.addChild(create_mc());//container.addChild(create_mc());addChild(container);var p_x:uint=0;var p_y:uint=0;var rect:Rectangle=new Rectangle(0,0,60,60);container.scrollRect=rect;for(var i:uint=0;i<36;i++){if(i%3==0){p_x=0;if(i!=0){p_y+=20;}}var mc:MovieClip=create_mc();mc.x=p_x;mc.y=p_y;p_x+=20;container.addChild(mc); }//container.height=100;var scroll_bar:UIScrollBar=new UIScrollBar();scroll_bar.direction=ScrollBarDirection.VERTICAL;scroll_bar.setScrollProperties(5,1,180);scroll_bar.addEventListener(ScrollEvent.SCROLL,scroll_handle);addChild(scroll_bar);scroll_bar.y=150;scroll_bar.x=150;function scroll_handle(evt:ScrollEvent):void{//trace(evt.target.scrollPosition);var rect:Rectangle =container.scrollRect;rect.y=Math.floor(evt.target.scrollPosition);container.scrollRect=rect;}function create_mc():MovieClip{var mc:MovieClip=new MovieClip();mc.graphics.beginFill(0xFF0000,0.5);mc.graphics.drawCircle(10,10,10);mc.graphics.endFill();return mc;}