It's a life saver in AS 2.0
It basically solves the problem of function scope in AS 2.0 (something
that AS 3.0 comes with as standard - yay)
In this case, it means that the global function setInterval knows where
to locate and call the function (inside the class) - and also knows
where to clear it when you want to clear it.
I don't actually understand *why* this implementation for setInterval
works - it doesn't really make sense... but then there's soo much about
AS 2.0 that doesn't make sense...
AS 3.0 is a tidy bedroom compared to AS 2.0's sloppy student digs...
J
Paul Steven wrote:
Ah brilliant - thanks James, much appreciated!!
Will have to look up what this mx.utils.Delegate malarkey means though...
Paul
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James
Marsden
Sent: 05 November 2006 09:22
To: Flashcoders mailing list
Subject: RE: [Flashcoders] OOP advice for game
actually the private func there might need to be changed to public.
I've had headaches getting intervals to clear properly, and this way works
for us :)
Good luck!
J
I'm assuming you're using AS 2.0 - inside WeatherManager.as:
class WeatherManager
{
// private var to hold interval
private var weatherTimer;
// constructor
public function WeatherManager()
{
weatherTimer = setInterval(mx.utils.Delegate.create(this,
changeWeather), 5000);
}
// weather change func
private function changeWeather()
{
// change the weather
}
// clear interval func
public function cleanUp()
{
clearInterval(weatherTimer);
}
}
// hope that helps!
I have done as you suggested and have created separate classes for the
balloon, ball, scoreboard and clouds and this all seems to work fine.
The
design pattern is based on an Observer pattern where these separate
objects
register themselves as observers of a WeatherManager object.
I have created a WeatherManager.as class that broadcasts any updates to
the
weather to the observers.
Now I need to have the WeatherManager periodically change the weather
conditions. I was thinking it should have some sort of internal timer
and
every say 5 seconds, it will amend the weather conditions.
Not sure how best to create an internal timer - would I just use
setInterval
within the WeatherManager class? Or would it be better to create a timer
class and have a loop to continually check this timer? I have had real
problems in the past using setInterval in that they don't seem to clear.
The game itself is time based and there is a time limit of 80 seconds so
there will need to be a timer for this too. Not sure if best to use just
one
timer for dealing with both or just let the WeatherManager have its own
timer and at the beginning of the game just start its timer and leave it
to
do its updates independently of the main game timer
Any suggestions most appreciated
Thanks
Paul
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Weyert
de
Boer
Sent: 04 November 2006 17:52
To: Flashcoders mailing list
Subject: Re: [Flashcoders] OOP advice for game
Yeah, I made a little game myself and use the classes FoodPiece, Snake,
and GameWorld and SnakeGame. Meaning that SnakeGame handles all the
stuff such as start/stop game, score counting. The GameWorld is
responsible for all the drawing, and calling the update method of the
Snake instance, which will then have dedicated code to update itself.
Works nicely!
Weyert
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