RE: [Flashcoders] setInterval() and the trouble

[Liu, Kai M]

Here is my sample code to demonstrate you the concept of setting
interval (reset automatically if user fail to answer quiz in given
time), interrupting interval and refreshing it (when user answer the
quiz within given time, represented by onMouseDown event).

Copy and paste all code into fresh FLA and test run it. If you don't
click on the stage, the movie will refresh to next round in 3 secs
unless you click on the stage to interrupt the timer, once you stop
clicking, timer will go back to it's normal routine.

[CODE]

var timeFrame = 3000;   // interval per question
var count = 0;  // counter

onLoad = function(){
_root.createTextField("txt",10,10,10,50,20);
setTimer();
}

function setTimer(){
clearInterval(intIdle);
intIdle = setInterval(nextRound, timeFrame);
}

// Kill timer permanently
function killTimer(){
clearInterval(intIdle);
}

function nextRound(){
// actions you want to perform when time's up
txt.text = "Round " + (count++);
txt._x += 15;
setTimer(); // reset new timer
}

onMouseDown=function(){
nextRound();
}

[/CODE]


[...]   Sam Liu
Flash Developer - Languages Online
Office of Learning and Teaching
Department of Education and Training
 

T:  (03) 9637 2102F:  (03) 9637 2060

 


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Weyert
de Boer
Sent: Monday, 31 October 2005 9:36 AM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] setInterval() and the trouble


I got some stuff working now ;-=)
Looks like I had some infinite loop indeed. Pff.
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Re: [Flashcoders] setInterval() and the trouble

[Weyert de Boer]

I got some stuff working now ;-=)
Looks like I had some infinite loop indeed. Pff.
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RE: [Flashcoders] setInterval() and the trouble

[Liu, Kai M]

One trick to use setInterval is to clear the interval ID every time you
establish one regardless if the existence of the interval ID. This will
make sure you still controlling the interval. If you establish
setInterval more than one time to the sample Interval ID, the previous
established interval is still running and you hardly clear it.

Following codes only make minor change to yours. Whenever you want to
reset your watch, you only need to call doStopwatch() function at
anytime like what I did to your imaginary buildQuestion() function. But
I am not sure what you try to do with this IF statement " if ( id >=
questions.length ) " as it seems to create infinity looping when id >=
question.length, unless you have simplified your function for this post
to focus on setInterval thingies..

function doStopwatch() {
   // 1second = 1000ms
 clearInterval( _root.stopwatchIntervalId );  // **
_root.stopwatchIntervalId = setInterval( _root.stopwatchComplete, 
3000 );
}

function stopwatchComplete() {
clearInterval( _root.stopwatchIntervalId );
   
// trigger the question completed method
_root.questionComplete( _root.question.id, _root.question.type ); 
}

function questionComplete( questionId, questionType ) {
if ( id >= questions.length ) {
 // out of questions
 _root.stopwatchComplete();
} else {
  // next quesiton
  buildQuestion( questionId + 1 );
}
}

function buildQuestion( new_questionId ){
  doStopWatch(); // **
 // ... Your build question function code
}


If you need IDLE handling sample, I can sen you one



[...]   Sam Liu
Flash Developer - Languages Online
Office of Learning and Teaching
Department of Education and Training
 

T:  (03) 9637 2102F:  (03) 9637 2060

 


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Weyert
de Boer
Sent: Saturday, 29 October 2005 9:46 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] setInterval() and the trouble


Hi Liam,

First of all I always have had trouble with those methods, never got it 
right. Always failed, I don't they dont like!

>I imagine you're calling clearInterval with the appropriate interval ID

>upon each quiz question submittal, and then afterwards recalling 
>setInterval for the new question? How does it fail the second time? 
>Does it just never call it again, or does it call the function at a 
>different interval?
>
Well, I happen to have a resource xml file which get loaded prioer of 
each group of questions, once this group is readed a
method in the root timeline gets triggered which will determine what to 
do. This method will also trigger the method buildQuestion() when
required, this method will create a new instance of 
"question"-movieclip. After this part is done the function doStopwatch()

is called:

function doStopwatch() {
   // 1second = 1000ms
_root.stopwatchIntervalId = setInterval( _root.stopwatchComplete, 
3000 );
}

function stopwatchComplete() {
clearInterval( _root.stopwatchIntervalId );
   
// trigger the question completed method
_root.questionComplete( _root.question.id, _root.question.type ); }

function questionComplete( questionId, questionType ) {
if ( id >= questions.length ) {
 // out of questions
 _root.stopwatchComplete();
} else {
  // next quesiton
  buildQuestion( questionId + 1 );
}
}

IF you have a better solution please let me know! I feel so stupid that 
I don't get thing timer stuff working.

Yours,
Weyert de Boer


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Re: [Flashcoders] setInterval() and the trouble

[Peter O'Brien]

perhaps it's liable to change

On 30 Oct 2005, at 21:50, Derek Vadneau wrote:

Actually, it's not documented.  I remember reading about it at some  
point,
but the local docs and livedocs do not have setTimeout, and it does  
not

light-up for syntax highlighting.

It works, but why this would not be documented is beyond me.


Derek Vadneau


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Steve
Rankin
Sent: Sunday, October 30, 2005 4:37 PM
To: 'Flashcoders mailing list'
Subject: RE: [Flashcoders] setInterval() and the trouble


Not sure, but it's in the new ActionScript 2.0 Language Reference for
Flash
Player 8.


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RE: [Flashcoders] setInterval() and the trouble

[Derek Vadneau]

Actually, it's not documented.  I remember reading about it at some point, 
but the local docs and livedocs do not have setTimeout, and it does not 
light-up for syntax highlighting.

It works, but why this would not be documented is beyond me.


Derek Vadneau


-Original Message-
From: [EMAIL PROTECTED] 
[mailto:[EMAIL PROTECTED] On Behalf Of Steve 
Rankin
Sent: Sunday, October 30, 2005 4:37 PM
To: 'Flashcoders mailing list'
Subject: RE: [Flashcoders] setInterval() and the trouble


Not sure, but it's in the new ActionScript 2.0 Language Reference for 
Flash
Player 8.


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RE: [Flashcoders] setInterval() and the trouble

[Steve Rankin]

Not sure, but it's in the new ActionScript 2.0 Language Reference for Flash
Player 8.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tim Beynart
Sent: Sunday, October 30, 2005 2:59 PM
To: Flashcoders mailing list
Subject: RE: [Flashcoders] setInterval() and the trouble

Why is something so useful undocumented? I have to bend over backwards
to create single-fire timers.
Thanks for the post. 


-Original Message-
Its undocumented, but it works in a fire once kind of situation & like
javascript:

foo = setTimeout( func, ms)
clearTimeout(foo)

but only if you need to stop the interval. Otherwise, just fire it and
forget it.

e.d.
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RE: [Flashcoders] setInterval() and the trouble

[Tim Beynart]

Why is something so useful undocumented? I have to bend over backwards
to create single-fire timers.
Thanks for the post. 


-Original Message-
Its undocumented, but it works in a fire once kind of situation & like
javascript:

foo = setTimeout( func, ms)
clearTimeout(foo)

but only if you need to stop the interval. Otherwise, just fire it and
forget it.

e.d.
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Re: [Flashcoders] setInterval() and the trouble

[eric dolecki]

Its undocumented, but it works in a fire once kind of situation & like
javascript:

foo = setTimeout( func, ms)
clearTimeout(foo)

but only if you need to stop the interval. Otherwise, just fire it and
forget it.

e.d.

On 10/30/05, Kent Humphrey <[EMAIL PROTECTED]> wrote:
> Eric E. Dolecki wrote:
> > use setTimeout now and you dont need to worry about interval ids.
> >
> > e.dolecki
> >
> >
>
> Have you found any documentation about setTimeout - because I haven't :<
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Re: [Flashcoders] setInterval() and the trouble

[Kent Humphrey]

Eric E. Dolecki wrote:

use setTimeout now and you dont need to worry about interval ids.

e.dolecki




Have you found any documentation about setTimeout - because I haven't :<
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Re: [Flashcoders] setInterval() and the trouble

[Eric E. Dolecki]

use setTimeout now and you dont need to worry about interval ids.

e.dolecki


On Oct 29, 2005, at 11:21 AM, Weyert de Boer wrote:


JOR wrote:


At first glance it looks like you have a potential continuous loop  
issue?


stopwatchComplete() >> questionComplete() >> stopwatchComplete()  
>> and so on if (id >= questions.length)


Second is I don't see where "id" is defined in questionComplete()  
did you mean to type this instead:




The id should ofcourse matched the correct name of the parameter.  
If you know a better way please let me know!





   if ( questionId >= questions.length )



Aha, good one I will try ;-)

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Re: [Flashcoders] setInterval() and the trouble

[Weyert de Boer]

JOR wrote:


At first glance it looks like you have a potential continuous loop issue?

stopwatchComplete() >> questionComplete() >> stopwatchComplete() >> 
and so on if (id >= questions.length)


Second is I don't see where "id" is defined in questionComplete() did 
you mean to type this instead:


The id should ofcourse matched the correct name of the parameter. If you 
know a better way please let me know!




   if ( questionId >= questions.length )


Aha, good one I will try ;-)

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Re: [Flashcoders] setInterval() and the trouble

[JOR]

At first glance it looks like you have a potential continuous loop issue?

stopwatchComplete() >> questionComplete() >> stopwatchComplete() >> and 
so on if (id >= questions.length)


Second is I don't see where "id" is defined in questionComplete() did 
you mean to type this instead:


   if ( questionId >= questions.length )



JOR


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Weyert de Boer wrote:

Hi Liam,

First of all I always have had trouble with those methods, never got it 
right. Always failed, I don't they dont like!


I imagine you're calling clearInterval with the appropriate interval 
ID upon
each quiz question submittal, and then afterwards recalling 
setInterval for
the new question? How does it fail the second time? Does it just never 
call

it again, or does it call the function at a different interval?

Well, I happen to have a resource xml file which get loaded prioer of 
each group of questions, once this group is readed a
method in the root timeline gets triggered which will determine what to 
do. This method will also trigger the method buildQuestion() when
required, this method will create a new instance of 
"question"-movieclip. After this part is done the function doStopwatch() 
is called:


function doStopwatch() {
  // 1second = 1000ms
   _root.stopwatchIntervalId = setInterval( _root.stopwatchComplete, 
3000 );

}

function stopwatchComplete() {
   clearInterval( _root.stopwatchIntervalId );
 // trigger the question completed method
   _root.questionComplete( _root.question.id, _root.question.type );
}

function questionComplete( questionId, questionType ) {
   if ( id >= questions.length ) {
// out of questions
_root.stopwatchComplete();
   } else {
 // next quesiton
 buildQuestion( questionId + 1 );
   }
}

IF you have a better solution please let me know! I feel so stupid that 
I don't get thing timer stuff working.


Yours,
Weyert de Boer


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Re: [Flashcoders] setInterval() and the trouble

[Weyert de Boer]

Hi Liam,

First of all I always have had trouble with those methods, never got it 
right. Always failed, I don't they dont like!



I imagine you're calling clearInterval with the appropriate interval ID upon
each quiz question submittal, and then afterwards recalling setInterval for
the new question? How does it fail the second time? Does it just never call
it again, or does it call the function at a different interval?

Well, I happen to have a resource xml file which get loaded prioer of 
each group of questions, once this group is readed a
method in the root timeline gets triggered which will determine what to 
do. This method will also trigger the method buildQuestion() when
required, this method will create a new instance of 
"question"-movieclip. After this part is done the function doStopwatch() 
is called:


function doStopwatch() {
  // 1second = 1000ms
   _root.stopwatchIntervalId = setInterval( _root.stopwatchComplete, 
3000 );

}

function stopwatchComplete() {
   clearInterval( _root.stopwatchIntervalId );
  
   // trigger the question completed method

   _root.questionComplete( _root.question.id, _root.question.type );
}

function questionComplete( questionId, questionType ) {
   if ( id >= questions.length ) {
// out of questions
_root.stopwatchComplete();
   } else {
 // next quesiton
 buildQuestion( questionId + 1 );
   }
}

IF you have a better solution please let me know! I feel so stupid that 
I don't get thing timer stuff working.


Yours,
Weyert de Boer


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Re: [Flashcoders] setInterval() and the trouble

[Liam Morley]

I imagine you're calling clearInterval with the appropriate interval ID upon
each quiz question submittal, and then afterwards recalling setInterval for
the new question? How does it fail the second time? Does it just never call
it again, or does it call the function at a different interval?

Liam


On 10/29/05, Weyert de Boer <[EMAIL PROTECTED]> wrote:
>
> Hmm, I am currently working on the "good" version of the quiz only I
> have a question how I should implementate some part. The quiz should ask
> yes/no questions and the user should only have three to six seconds to
> answer the question. If the user fails to answer the question within
> this time, the answer should be fault. Currently I used a setInterval()
> with 3000ms only I never get stuff with intervals right. Always it goes
> all fine the first question, but the second it fals. Does anyone know a
> good way to implementate this? Maybe through event delegation instead of
> a interval callback method?
>
> Yours,
>
> Weyert de Boer
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