Mouse.hide();
//input stuff
stage.addEventListener(KeyboardEvent.KEY_DOWN, tap1);

function tap1(event):void{
    startGame();
}
function startGame():void{
    var jumpLevel:int=-30
    var jumpLevelCap:int=36

    stage.removeEventListener(KeyboardEvent.KEY_DOWN, tap1);

    stage.addEventListener(Event.ENTER_FRAME, update);
    stage.addEventListener(KeyboardEvent.KEY_DOWN, tap2);

    function update(event):void{
        bird.y+=jumpLevel;
        //gravity
        if (jumpLevel<jumpLevelCap){
            jumpLevel+=6;
        }
        //rotation
        if (bird.rotation<100 && bird.rotation>-90 && jumpLevel>0){
            bird.rotation+=jumpLevel;
        }
        if (bird.rotation<100 && bird.rotation>-100 && jumpLevel<0){
            bird.rotation+=jumpLevel*2;
        }
        if (bird.rotation>=100){
            bird.rotation=99;
        }
        if (bird.rotation<-90){
            bird.rotation=-89;
        }
        //out of bounds
        if (bird.y<1){
            killBird();
        }
    }

    function tap2(event):void{
        jumpLevel=-30;
    }

    function killBird():void{

    }
}