title: Present SKScene from UIViewController - Swift
body: <p>I would like to make a game using a UIViewController for the Menu and a SKScene for the GameScene.</p>
  
  <p>When the player press the Play button on the Menu, I would like a transition between the Menu and the GameScene with something like :</p>
  
  <pre><code>let nextScene = GameViewController()
  self.presentViewController(nextScene, animated: true, completion: nil)
  </code></pre>
  
  <p>But I got this error :</p>
  
  <p><code>Could not cast value of type 'UIView' (0x19ff623e0) to 'SKView' (0x19f813e70).</code></p>
  
  <p>How can I do this please ?</p>