package {
        import flash.display.MovieClip;
        import flash.events.*;
        import flash.ui.Keyboard;
        public class Game extends MovieClip {
                public var playerone:MovieClip = new MovieClip;
                public function Game() {
                        stage.focus = this;
                        playerone.graphics.beginFill(0xffffff);
                        playerone.graphics.drawRect(0,0,20,100);
                        playerone.x = 10;
                        playerone.y = 140;
                        stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyboardDown);
                        addChild(playerone);
                }
                public function onKeyboardDown(event:KeyboardEvent):void {
                        if (event.keyCode == Keyboard.UP) {
                                if (playerone.y > 0) {
                                        playerone.y -= 5;
                                }
                        } else if (event.keyCode == Keyboard.DOWN) {
                                if (playerone.y < 300) {
                                        playerone.y +=5;
                                }
                        }
                }
        }
}