flash as 让影片剪辑按指定坐标旋转指定的角度

http://blog.sina.com.cn/s/blog_50e610900100oh5z.htmlimport flash.display.MovieClip;import flash.geom.Matrix;MovieClip.prototype.rotationLee=function(tempx:Number,tempy:Number,r:Number){  varmc_lee:MovieClip=this;  var Matrix_lee:Matrix =mc_lee.transform.matrix;  Matrix_lee.translate(-tempx, -tempy);  Matrix_lee.rotate(r * Math.PI /180 );  Matrix_lee.translate(tempx, tempy);  mc_lee.transform.matrix =Matrix_lee; }//调用方法 mc是影片剪辑mc.rotationLee(139,216,-30);