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Posted By

alsodenn on 11/12/10


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class main Singleton document as3


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onemanstudio
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Singleton

 / Published in: ActionScript 3
 

URL: http://stackoverflow.com/questions/370222/accessing-the-document-class-in-as3

You can use a singleton for your document class (Main, in your example), which allows you to access the instance from anywhere.

The document class is a pretty good candidate for the singleton pattern, because generally there should only be instance available.

Expand | Embed | Plain Text 
  1. public class Main extends Sprite {
  2.     private static var _instance:Main;
  3.     public static function get instance():Main { return _instance; }
  4.  
  5.     public function Main() {
  6.         _instance = this;
  7.        // etc...
  8.     }
  9.  
  10.     // etc...
  11. }
  12.  
  13. //Then you access the Main instance like this:
  14.  
  15. public class Other {
  16.     public function Other() {
  17.         Main.instance.usefulInstanceMethod();
  18.     }
  19. }

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