Re: Re: timeout to child (was loop every hour)

[Irv Kalb]

Hi,

In Director, to create objects you use parent scripts (or behavior 
scripts).  The passage you quoted below refers to the fact that 
within a parent or behavior script, you can create a timeout object 
in one handler (also known as a method), and set the target (the 
method to be called back when the timeout occurs) to be another 
method within the same script.  You do this by specifying the name of 
the target method, and passing "me" as the target object.

Here's some code from a typical parent script - let's call it MyTimer.

on new me
  return me
end
on mStartMyTimer me
  oTimeout = timeOut("Initialize").new(100, #mTimerCallBackmethod, me)
end
on mTimerCallBackmethod me
  timeout("initialize").forget()  -- forget the timer
end
Let's say that you place the above code in a parent script, then 
create a global object from the script like this:

global gMyTimer

gMyTimer = new(script "MyTimer")

Then, at some time, you call:

  gMyTimer.mStartMyTimer()

Then, 100 ms later, the mTimerCalllBackmethod of that object will be 
called back.

Alternatively (but similarly), if you put this code into a behavior 
and attach it to a sprite say in channel 1:

on mStartMyTimer me
  oTimeout = timeOut("Initialize").new(100, #mTimerCallBackmethod, me)
end
on mTimerCallBackmethod me
  timeout("initialize").forget()
end
You could do a

sendSprite(1, #mStartMyTimer)

then, 100 ms later, the mTimerCallbackMethod would be called back.

The key is the word "me" which refers to the current "instance" of 
the script.  Macromedia calls this instance the "child" that is 
created from a parent script or a behavior created from a behavior 
script.

Hope this helps,

Irv

At 4:22 PM -0400 7/24/03, Denis Bel-Isle wrote:
Hi,

I often need millisecond precision and I'm very interested by this. 
I don't understand very well how to use the #target attribute of the 
timeout object. I work out fine timeout() when the #timeoutHandler 
is in a movie script - works great. But what does"  "The 
targetObject identifies the name of the child object that contains 
the #timeoutHandler" exactly means? The child of which parent? I 
have tried with the #timeoutHandler in a member script, but it 
doesn't seem to work. I would be grateful if someone could provide a 
small example.

Thanks in advance,

Denis
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