在独立的UIViewController中处理委托

I am currently working on a Sprite Kit game, and I am having some issues with setting/using delegates. I know how delegates work and all that, but I am trying to have the user have the ability to play my game, and once they hit the pause button, have the game pause. Then, I have a UIAlertView appear asking for 'resume game' or 'sign up' for a newsletter type thing. I have a website that I have a new UIViewController appear under, and while the view controller is open, I want the game to be paused, which it is. My issue is when I am done with the website, i want the game to resume at that point. My issue:I am currently working on a Sprite Kit game, an