public function createProjectiles():void {
    projectile.x += projectileSpeed;
    projectileArray.push(projectile);
}

private function upHandler(e:KeyboardEvent):void    {
    switch ( e.keyCode )    {
        case Keyboard.CONTROL:
            playerShot = false;
            break;
    }
}

private function kdHandler(e:KeyboardEvent):void    {
    switch ( e.keyCode )    {
        case Keyboard.CONTROL:
            playerShot = true;
            break;
    }
}
private function enterFrameHandler(e:Event):void{
    playerMovement();
    if (playerShot) {
        for (var k:int = 0; k < projectileArray.length; k++) {
            addChild(projectileArray[k]);
            if (projectileArray[k].x > (stage.stageWidth * 2) || projectileArray[k].x < (-stage.stageWidth * 2)){
                removeChild(projectileArray[k]);
                projectileArray.splice(k, 1);
            }
        }
    }
}