Basic Animation is ActionScripting 3.0

  
// Copyright by CreativeReform
// All rights reserved

package{
    //import statement for the package
    import flash.display.Sprite;
    import flash.events.Event;
    
    //start of the animation class
    //exstends sprites since we will be creating circles
    public class Animation extends Sprite{
        private var ball:Sprite;
        
        //start of animation function
        public function Animation(){
            //This function will only call the init() function below
            init();
        }
        
        private function init(){
            //ball is created, colorized set x and y
            ball = new Sprite();
            addChild(ball);
            ball.graphics.beginFill(0xff0000);
            ball.graphics.drawCircle(0,0,40);
            ball.graphics.endFill();
            ball.x = 50;
            ball.y = 50;
            //we then add eventlistener to call onBallMove function on enterFrame
            ball.addEventListener(Event.ENTER_FRAME, onBallMove);
        }
        private function onBallMove(e:Event):void{
        //EnterFrame will advance the ball
        ball.x++;
    	}
    }

}