for(var ranOnce:int =0, paddle:Sprite = new Sprite(), xpos:int=0, introText:TextField = new TextField(),
        anyKeyPressed:Boolean=false, blocksCreated=false, ball:Sprite = new Sprite(),
        ballXSpeed=5, ballYSpeed=5, blocksHit=0, ballYPosition:int=stage.stageHeight-50,
        colorArray = new Array(0xA2BAB0, 0x8FA89B, 0x678C8B), blockArray:Array = new Array(),
        ballXPosition:int=stage.stageWidth/2, paddleXPosition, lives=3, i, j, k, index,
        gameBackground:Sprite = new Sprite(), life:Array = new Array(), gameOver=false,
        livesText:TextField = new TextField();
    ranOnce<1;
    ranOnce++, gameBackground.graphics.beginFill(0xDCFFC8), gameBackground.graphics.drawRect(0,0,stage.stageWidth, stage.stageHeight),
      addChild(gameBackground), introText.text = "Press any key to start!", introText.width = 150, introText.selectable = false,
      addChild(introText),
      stage.addEventListener(KeyboardEvent.KEY_DOWN,
        function keyHandling(keyEvent:KeyboardEvent) {
            if(gameOver==true){
                stage.removeEventListener(KeyboardEvent.KEY_DOWN, keyHandling);
            }else{
                if(keyEvent.keyCode==39 && xpos < 25){
                    xpos++;
                }
                else if (keyEvent.keyCode==37 && xpos > -25){
                    xpos--;
                }
                if(anyKeyPressed==false){
                    var textFormat:TextFormat = new TextFormat();
                    textFormat.size = 16;

                    introText.defaultTextFormat = textFormat;
                    introText.text="Score: 0";
                    livesText.width = 150;
                    livesText.selectable = false;
                    livesText.y = 20;
                    livesText.defaultTextFormat = textFormat;
                    livesText.text = "Lives: ";
                    addChild(livesText);

                    for(i=0; i<4; i++){
                        for(j=0; j<10; j++){
                            index = i*10+j;
                            blockArray[index]= new Sprite();
                            blockArray[index].graphics.beginFill(colorArray[Math.round(Math.random()*2)]);
                            blockArray[index].graphics.drawRect(25+(j*50), 50+(i*25), 49, 24);
                            addChild(blockArray[index]);
                        }
                    }
                    for(k=0; k<lives; k++){
                        life[k] = new Sprite();
                        life[k].graphics.beginFill(0x6DA69D);
                        life[k].graphics.drawCircle(50+15*k,33,5);
                        addChild(life[k]);
                    }
                    anyKeyPressed=true;
                }
                paddle.graphics.clear();
                paddle.graphics.beginFill(0x716EB2);
                paddleXPosition=stage.stageWidth/2 -25 +xpos*10;
                paddle.graphics.drawRect(paddleXPosition,stage.stageHeight-30,50,10);
                addChild(paddle);
            }
        }),
    stage.addEventListener(Event.ENTER_FRAME,
    function main(e:Event){
        if(anyKeyPressed==true){
            if(ballXPosition >= 550 || ballXPosition <= 0){ //if ball exits the stage
                ballXSpeed = -ballXSpeed;
            }
            if(ballYPosition <= 0){
                ballYSpeed = -ballYSpeed;
            }else if(ballYPosition >= 500){
                lives--;
                removeChild(life[lives]);
                if(lives >0){
                    ballXPosition=paddleXPosition+20;
                    ballYPosition=stage.stageHeight-35;
                }else{
                    introText.text = "YOU LOSE!"
                    gameOver=true;
                }
            }
            ball.graphics.clear();
            ball.graphics.beginFill(0x6DA69D);
            ball.graphics.drawCircle(ballXPosition+=ballXSpeed, ballYPosition+=ballYSpeed, 5);
            addChild(ball);
            if(Math.round(Math.sqrt(Math.pow(ballXPosition-paddleXPosition-25,2))) <= 30 && ballYPosition >=470 && ballYPosition <= 472){ //if ball close to paddle in X and in Y
                ballYSpeed = -ballYSpeed;
            }
            var xQuadrant = (ballXPosition-20)/50;
            var yQuadrant = (ballYPosition-45)/25;
            var index = Math.floor(yQuadrant)*10+Math.floor(xQuadrant);
            var xPosition = Number("."+String(xQuadrant).split(".")[1]);
            var yPosition = Number("."+String(yQuadrant).split(".")[1]);
            trace(ballXPosition + ": " + xQuadrant + ": " + index);
            if(index <40 && index>=0 && ballXPosition >=25 && ballXPosition <= 525){
                if(stage.contains(blockArray[index])){
                    removeChild(blockArray[index]);
                    blocksHit++;
                    introText.text = "Score: " + (blocksHit*100).toString();
                    if(xPosition == 0.1 || xPosition == 0.9){
                        ballXSpeed = -ballXSpeed;
                    }else if(yPosition == 0.1 || yPosition == 0.9){
                        ballYSpeed = -ballYSpeed;
                    }
                }
            }

            if(blocksHit==40){
                introText.text = "YOU WIN!";
                gameOver=true;
            }
            if(gameOver==true){
                removeChild(paddle);
                removeChild(ball);
                removeChild(livesText);
                for(k=0; k<lives; k++){
                    removeChild(life[k]);
                }
                if(introText.text == "YOU LOSE!"){
                    for(var i=0; i<4; i++){
                        for(j=0; j<10; j++){
                            index = i*10+j;
                            if(stage.contains(blockArray[index])){
                                removeChild(blockArray[index]);
                            }
                        }
                    }
                }
                stage.removeEventListener(Event.ENTER_FRAME, main);
            }
        }
    })
);