## mark a section (Learn more)

package { import flash.display.*; import flash.text.*; import flash.events.*; public class MyAnimation extends MovieClip { // Properties var myCircle:Sprite; var moveX:Number = 10; var moveY:Number = 10; // Constructor public function MyAnimation() { myCircle = new Sprite(); myCircle.graphics.lineStyle(5,0x000000); myCircle.graphics.beginFill(0xCCCCCC); myCircle.graphics.drawCircle(0,0,25); addChild(myCircle); myCircle.x = 100; myCircle.y = 150; addEventListener(Event.ENTER_FRAME, moveCircle); } // Methods public function moveCircle(e:Event):void{ if(myCircle.x > stage.stageWidth ||  myCircle.x < 0){         moveX = -moveX;  //change direction     }     if(myCircle.y > stage.stageHeight ||  myCircle.y < 0){         moveY = -moveY;  //change direction     }     myCircle.x = myCircle.x + moveX; myCircle.y = myCircle.y + moveY; } } }

This paste will be private.