import flash.events.Event;
import flash.text.TextField;


var gameTimer:int = 0;
var enemyArray:Array = new Array();
var playerShip:PlayerShip = new PlayerShip();
    playerShip.x = stage.stageWidth / 2;
    playerShip.y = stage.stageHeight * 2/3;
        addChild(playerShip);

var gameScore:int;
gameScore = 0;
var gameScoreField:TextField = new TextField;
addChild(gameScoreField);
gameScoreField.text = "Score: "+String(gameScore);

addEventListener(Event.ENTER_FRAME, onEnterFrame);

    function onEnterFrame (e:Event):void {

        gameTimer++;

            if (gameTimer % 60 == 0) {

                var ene:Enemy = new Enemy();
                    ene.x = 10 + Math.random() * (stage.stageWidth -20);
                    ene.y = -20;
                        addChild(ene);

            }

    }