> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:flashcoders-
> [EMAIL PROTECTED] On Behalf Of Cédric Néhémie
> Sent: Sunday, November 05, 2006 5:52 AM
> To: Flashcoders mailing list
> Subject: Re: [Flashcoders] OOP advice for game
>
> You may prefer a more common syntax for the singleton access method,
> like getInstance for example.
In ActionScript (as opposed to Java), I think it's better to use a
property:
class Singleton {
private function Singleton() {
}
public static function get instance():Singleton {
if (_instance == undefined) {
_instance = new Singleton();
}
return _instance;
}
private static var _instance:Singleton;
}
// Elsewhere:
Singleton.instance; // Returns the only instance of Singleton.
> Personally I would prefer an EventDispatcher rather than the Observer
Yes. EventDispatcher is everywhere in AS3.0, so might as well start
using it now.
> pattern, creating events like onWindChange, onRainChange, etc..., and
a
> WeatherEvent object carrying the new weather values.
Generally in the code that Macromedia/Adobe writes, event names dont
have "on" as part of the name, but a function responding to them might,
e.g.:
WeatherManager.instance.addEventListener("windChange",
Delegate.create(this, onWindChange));
Or, in AS3.0:
WeatherManager.instance.addEventListener("windChange", onWindChange);
--
Mike Keesey
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