date:20070822

We built a learning delivery system a few years ago in Flash that has a 
plug-in environment.
It is all driven by XML files so you never touch the Flash. You can 
write a new plug-in and have it dynamically loaded if the XML calls it.
The XML has a flexible structure that allows the designer of the plug-in 
to specify the custom data structure that it requires. When the top 
level engine finds a course page that uses a plug-in it loads the 
plug-in (a swf of course) and passes it the complete XML sub-node that 
it extracted from the course file.


When the plug-in is done, it calls well defined functions to return 
information to the main flow. This is mostly used for tests. There are 
existing plug-ins for multiple choice, true false and matching. These 
can return a mark as well as some feedback in the case of wrong 
answers(The student picked #3 when the #4 was the correct answer). This 
helps the instructors to detect poorly written questions.
A flash developer can create a custom test plug-in. For example, one 
course required a piping diagram of a chemical flow wherein the student 
was required to put arrows on the pipes to indicate which direction the 
chemicals flowed through the reactors and pumps. The plug-in returns a 
right wrong as well as a list of the choices. At the end of a marked 
test (there are formative tests as well), the results can be e-mailed to 
the student and the course administrator.


Instructional plug-ins do not return test results. They just signal that 
they are done and the main engine kills them and moves on.
There are plug-ins for multiple bullet slides, with and without images. 
These typically describe the font, size, colour and style of the text. 
they also say at what time the bullet or image is to appear so that you 
have synchronization with the sound file. This gives the look of a 
custom animation at the cost of a Powerpoint. There is also a place to 
define how(type of transition and time to complete the transition)  the 
images are to transition in. This lets the instructor mix images, 
animations and text pretty freely, all synchronized to the sound.


The main flow can handle simple pages (image or swf and a sound file) 
without a plug-in.
The main flow is responsible for the navigation (previous slide, next, 
help, chapter index), page control (stop, play, rewind) and the sound 
controls (volume, mute). Rewinding plug-ins is possible in some cases - 
it makes no sense to rewind a test.


In short, yes it is possible to do this. This was done in AS1 and 
converted to AS2 a few years ago.


Ron

Hans Wichman wrote:

Hi Jer,

we have been dealing with the same kind of questions (and still are now and
then).

We have a course engine out there, which has a very simple setup/interface
(although the inner workings are not that simple).
But we ran into the same problem, adding content required us to recompile
the engine now and then.

We thought about going the plugin way, and we even had most of the design
ready.

It involved something like loading a plugin which existed of a number of
classes defining the plugin, request/result types, registration to one
service bus or another etc. In the end a request wouldnt know which service
satisfied it, which plugin handled the result etc.
Basically it didnt involve a lot more than usual I think in terms of
patterns, using the command, businessdelegate, service, valueobject,
request/response (if you can call that a pattern), abstractfactory,
registries etc.
BUT the biggest problem at the moment is that the gap in terms of
refactoring between our current system and the 'utopia' system is too wide
to call it refactoring. Better to call it a complete rewrite. In addition,
the question we were asking ourselves was whether we were going to do this
because it would be uber cool to build such a plugin system, or that the
functionality required really demanded such as architecture.

In the end we chose to follow a different route at the moment and that is
refactoring our current system step by step. Not that it is a bad system, it
is pretty good as it is, but in order to be able to maintain/extend it etc
some refactoring is necessary. Maybe if the requirements require it (:-S)
and the refactoringsprocess has gone far enough, the plugin system will find
its way in eventually.

Maybe it is of any use to you if I describe the current system:

the current system has a few part, a controlpanel, a dialog panel and a
locationpanel
These parts supports different commands, eg loadSwf, showDialog,
addTabButton etc
All these commands are supplied by the backend.

So basically an empty interface starts up and sends a systemstart event to
the backend.
The backend says load location A, show dialog B, and adds these 3 buttons.

The location can be anything, for example we have an fake email application,
a notepad, panorama's etc, but the most basic location type is simply an
image with hotspots. If you click on a hotspot, an event goes back to th

Re: [Flashcoders] Property Access


> Don't forget that this started out as a discussion about teach newbies.
> Not converting old farts.

LOL!  Well played.
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Re: [Flashcoders] Q: runtime error:TypeError: Cannot access a property or method of a null object reference.

2007-08-22 Thread Nick Johnston


Hi,

Turn on debugging. You should get a stackTrace with line numbers as to 
where the error originates from.


Nick

[EMAIL PROTECTED] wrote:

Hi
Trying to simply get a PV3D AS3 demo running. No compile time errors, but when 
launching the swf get:

TypeError: Error #1009: Cannot access a property or method of a null object 
reference.


Can anyone help?
thanks


[e] jbach at bitstream.ca
[c] 416.668.0034
[w] www.bitstream.ca

"...all improvisation is life in search of a style."
 - Bruce Mau,'LifeStyle'
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Re: [Flashcoders] Scroll to maximum vPosition?

2007-08-22 Thread ntasky


Hi,

remember had the same problem, and i had to did this:
hope that helps

// manage the position of the scrollbar
private function manageScrollBar(scrollMax:Boolean):Void{
 // :KLUDGE: this line is needed to force the scroll
 mcScrollPane.vScrollPolicy = "auto";
 mcScrollPane.invalidate();
 if (scrollMax)
  mcScrollPane.doLater(this, "putScrollBarMax");
}

// forces the scrollBar to Max position
private function putScrollBarMax():Void{
 mcScrollPane.vPosition = mcScrollPane.maxVPosition;
}

--
Nicolas TASKY
conseil, analyse et développement multimédia
ntasky.com - T.(514) 251-6267 C.(514) 839-6426

- Original Message - 
From: "Mendelsohn, Michael" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, August 22, 2007 4:23 PM
Subject: [Flashcoders] Scroll to maximum vPosition?


Hi list...

Setting a V2 ScrollPane's vPosition is easy enough, but for sending it
all the way to the bottom.  The following isn't working for me:

_root.sp.vPosition = _root.sp.content._height;

Anyone know if a trick is involved?

Thanks,
- Michael M.
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Re: [Flashcoders] Property Access




Steven Sacks wrote:

I wouldn't even go so far as to say he's 99% right.  More like 33.3%.

Private properties with Public getters and setters is used for one of
three reasons.

1) You need to do adjust the value of the property when set or get, such
as applying limits (max value is 100 so if you pass 150, set it to 100),
or storing the value internally as something different and returning a
modified value (internally using .5, but the API accepts 50).

2) You need to update the class when a property is set or get.

3) You need protection against dummies.


4) You need protection from the customer changing his mind once you have 
finished. That is what I mean by robustness.
If you have to do 1) after you have got the first version running, now 
you have to search through all the code that references the class to see 
if it sets the property.


If you examine the ratio of dummies getting to program with my code  to 
customers that change their requirements, dummies are less of a concern.



#3 is what Ron is talking about here, because if you're not doing #1 or
#2, then you don't need getters and setters.

I use public properties when appropriate.  I only use getters and 
setters when I need to do something to the property prior to setting 
it (such as limits) or some kind of update to the class when the 
property changes.


There's such a thing as over-architecting.  OOP sacrifices speed for 
flexibility and scalability.  You shouldn't overdo it with unnecessary 
function calls for setting public properties.  It causes code bloat 
and your code doesn't perform as well.  I don't wrote code for the 
lowest common denominator.  I've got work to get done.
If your work has to maintained or used by others as a base, you have no 
control about who is going to do it.


We're Flash developers, not C++ developers.  We can't bring down the 
operating system with a bad value.  Some of these safeguards are in 
place because lower-level languages can cause real damage.  The only 
thing that can happen in Flash is that particular swf might have 
problems.  You can't bring down a system by missetting a property in 
Flash.
You can bring down an application that is critical for the business. I 
don't care what people do for their own amusement but if I am paying the 
bill, I want it done in a way that is robust and not going to embarrass 
the company or get us sued. Our Flash eLearning system (ALI) has run 
without problems for years at clients' sites.
How important to the client would it be if they had flown soldiers in 
from all across the country to take a course and the course would not 
work because of a change in the requirements that broke some other function?
Granted, it will not start a nuclear war but the chance of doing 
additional business will be damaged severely.


The ALI is not perfectly coded by any stretch but I tried to get it 
done, on schedule, in a way that does not require any maintenance. It 
has proven to be capable of being modified to meet new needs and ideas 
without breaking existing code.


According to Ron Wheeler, I'm a bad coder.  I respectfully disagree. :)
Disagreeing with me is not, in itself, evidence of much. If I was to 
hire you as a consultant, I would be careful about standards and design 
reviews.
Coding does not bother me as much as design. I would look for your 
interfaces definitions and your class structures.
I am sure that once we had a meeting of the minds, everything would be 
fine. I can be a bit flexible, if the case is well made.


Don't forget that this started out as a discussion about teach newbies. 
Not converting old farts.


Ron


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Re: [Flashcoders] Should Flash CS3 Pro result in larger SWF and EXEfiles than Flash 8?

2007-08-22 Thread Burak KALAYCI


Hi Matt,


That's a pretty big difference (~30% for the EXE), for exactly the
same functionality.


I assume you are creating the EXEs (projectors) using the standalone 
players.


Standalone player creates EXE files by appending the SWF to its own 
executable and then appending 8 more bytes.


So, ExeSize = PlayerExeSize + SwfSize + 8.

Obviously v8 player can play a v8 SWF, so creating an EXE with v9 player for 
a v8 SWF will make the EXE unnecessarily big, because player EXE size is 
increasing with every new release.


But, it's not that simple. Standalone player, when creating a projector, 
decompresses the SWF first if it's compressed.


So really, ExeSize = PlayerExeSize + UncompressedSwfSize + 8.

To get the EXE size down, you can,

(0) Use the standalone player which has the same version as the SWF as it 
will be the smallest. (One exception can be using v6 Player for a v5 SWF if 
you want to use the compressed SWF).


(1) Compress the standalone Player with an executable compressor (like UPX). 
(You can also compress your final EXE but that doesn't change the result 
much and becomes a hassle to do every time).


(2) Append the compressed SWF to the Player. You'll need a 3rd party utility 
for that. (Player v6 and above only, v5 and below cannot play compressed 
SWFs).


Best regards,
Burak
www.asvguy.com

- Original Message - 
From: "matt stuehler" <[EMAIL PROTECTED]>

To: "Flashcoders mailing list" 
Sent: Wednesday, August 22, 2007 11:25 PM
Subject: [Flashcoders] Should Flash CS3 Pro result in larger SWF and 
EXEfiles than Flash 8?




All,

I recently switched from Flash 8 Pro to Flash CS3 Pro.

I just noticed today that my published SWFs and EXEs are considerably
larger when I publish them with CS3 than they were when published from
F8, even though the FLAs are the same.

In other words, I took an FLA that was saved as a CS3 file. When
published, the SWF was 980kb, and the EXE was 3,423kb.

I saved the FLA as a Flash 8 file (since it doesn't us AS3 or any CS3
functions), republished, and the SWF was 879kb and the EXE was only
2,434kb.

That's a pretty big difference (~30% for the EXE), for exactly the
same functionality.

I can live with the Adobe bloat in the CS3 IDE, but I didn't think
that it was going to cost me in terms of the resulting SWF filesize.

Has anyone else noticed this? Am I making a mistake, or missing a
publish option?

Many thanks in advance for your advice and insight.

Cheers,
Matt Stuehler 


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Re: [Flashcoders] Scroll to maximum vPosition?

2007-08-22 Thread Derek Vadneau

_root.sp.vPosition = _root.sp.content._height - _root.sp.height + 4;

The height is probably bigger than the max scroll position so it's 
ignoring it.

The +4 is for the border.


Derek Vadneau
http://tracethis.com


- Original Message - 
From: "Mendelsohn, Michael" <[EMAIL PROTECTED]>
To: 
Sent: Wednesday, August 22, 2007 4:23 PM
Subject: SPAM-LOW: [Flashcoders] Scroll to maximum vPosition?


Hi list...

Setting a V2 ScrollPane's vPosition is easy enough, but for sending it
all the way to the bottom.  The following isn't working for me:

_root.sp.vPosition = _root.sp.content._height;

Anyone know if a trick is involved?

Thanks,
- Michael M.
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Re: [Flashcoders] FMS 2 multiplayer game

2007-08-22 Thread Jobe Makar

Josh is right. There is a reason why you don't see real-time multiplayer 
sports games very often. I've written more than 50 multiplayer games and 
have tried pretty much everything. When viewing *exactly* where something 
needs to be and that thing is unpredictable, then you are going to have a 
tough time hiding the latency. You can achieve good results in real-time 
multiplayer games if you make the good decisions on game choice, features, 
speed/update rate, etc.


I think that you can pull off a real-time first person shooter more 
believably than real-time multiplayer pong.


Jobe Makar
http://www.electrotank.com
http://www.electro-server.com
phone: 252-627-8026
mobile: 919-609-0408
fax: 919-882-1121
- Original Message - 
From: "Joshua Sera" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, August 22, 2007 4:26 PM
Subject: Re: [Flashcoders] FMS 2 multiplayer game



You're running into the same latency problems I did
when I tried to do a real-time game in Flash.

The movement's fine, you're correcting for latency
burps fine, but events like someone else stealing the
ball is unpredictable.

I can steal the ball from someone else, bu running
halfway down the field away from everyone, and have
the ball disappear and reappear next to someone else's
icon.

The ball-theft event is incredibly time-sensitive, so
it's very important that people know when and where it
happens.

If you manage to find a workaround to this, post it on
the list, because I really don't think it can be
worked around without using UDP packets, and Flash
doesn't support that, and none of the 3rd party
projector apps allow you enough control over the
packet to make UDP hole punching work, which is what
you need to get past firewalls.


--- Norman Cousineau <[EMAIL PROTECTED]> wrote:



I recently made a multi-player soccer game prototype
based on FMS 2.
The purpose was to test latency...to see how well
each player keeps up to where they're supposed to be
on the field.

To see for yourself, the url is:
www.soccer.datasfaction.com


To get the multiplayer effect, open multiple browser
windows.  That will add players.

If you can't connect, it could be due to a firewall,
or too many people connected.

Feel free to email comments to me.

Regards,
Norm C


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Re: [Flashcoders] Should Flash CS3 Pro result in larger SWF and EXE files than Flash 8?

2007-08-22 Thread ben gomez farrell

I think there might be something you're overlooking.  I didn't do this 
the most scientific waybut I published a huge file I'm working with 
in Flash 8 and the SWF file size came out at 4.71MB.  I tried it in CS3 
and it came out at 4.68MB.  So there does seem to be a difference, 
albeit just a tiny one for me.  Maybe different compression settings are 
handled differently (audio or bitmaps) in 9 and you just happened to 
choose the worst possible case!


I will say this though..these files I'm working with are huge.  One 
of the many huge files in 8  for some reason nobody at my company could 
remove frames on this file without Flash 8 hanging and crashing.I 
brought it into CS3, and could edit it just fine.


So something seems to be working in CS3!
ben

matt stuehler wrote:

All,

I recently switched from Flash 8 Pro to Flash CS3 Pro.

I just noticed today that my published SWFs and EXEs are considerably
larger when I publish them with CS3 than they were when published from
F8, even though the FLAs are the same.

In other words, I took an FLA that was saved as a CS3 file. When
published, the SWF was 980kb, and the EXE was 3,423kb.

I saved the FLA as a Flash 8 file (since it doesn't us AS3 or any CS3
functions), republished, and the SWF was 879kb and the EXE was only
2,434kb.

That's a pretty big difference (~30% for the EXE), for exactly the
same functionality.

I can live with the Adobe bloat in the CS3 IDE, but I didn't think
that it was going to cost me in terms of the resulting SWF filesize.

Has anyone else noticed this? Am I making a mistake, or missing a
publish option?

Many thanks in advance for your advice and insight.

Cheers,
Matt Stuehler
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Re: [Flashcoders] Should Flash CS3 Pro result in larger SWF and EXE files than Flash 8?

2007-08-22 Thread Will McHenry

Can't say I've noticed it. Silly suggestion, but - are your image 
compression settings/publish settings set differently in the two 
versions? What about image properties in the library, are they set 
differently?



matt stuehler wrote:

All,

I recently switched from Flash 8 Pro to Flash CS3 Pro.

I just noticed today that my published SWFs and EXEs are considerably
larger when I publish them with CS3 than they were when published from
F8, even though the FLAs are the same.

In other words, I took an FLA that was saved as a CS3 file. When
published, the SWF was 980kb, and the EXE was 3,423kb.

I saved the FLA as a Flash 8 file (since it doesn't us AS3 or any CS3
functions), republished, and the SWF was 879kb and the EXE was only
2,434kb.

That's a pretty big difference (~30% for the EXE), for exactly the
same functionality.

I can live with the Adobe bloat in the CS3 IDE, but I didn't think
that it was going to cost me in terms of the resulting SWF filesize.

Has anyone else noticed this? Am I making a mistake, or missing a
publish option?

Many thanks in advance for your advice and insight.

Cheers,
Matt Stuehler
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Re: [Flashcoders] Pattern/Design/Best Practices: Plugin Scheme?

2007-08-22 Thread Jer Brand

I think, for this shop, the question of "should we do this or just refactor
the original" is pretty much answered: We have to. The mess I inherited is
barely maintainable. As is is, if something changes or I find a bug, I have
to touch code in every course individually. It's barely a step above code in
frames (and does include some of that).

I'm basically building a course presentation system for the ISDs who build
the individual training content. They have limited programming knowledge.

I'm mostly trying to build a new basis for their work: A core course engine
nearly all of it's logic externalized in small plugins.  The idea being when
the customer or ISD comes up with a new idea that would previously require
new course template, I write one new plugin and either replace an existing
plugin, or just add it to the stack of plugins.

Practical example: Current functionality is a centered content, say 800x600,
and content containment is handled by a plugin content.swf. Customer wants a
full screen content. I build a new plugin to handle full screen layout.
ISD's have little to no change in how they're building content.

Another example: ISD's want to have something that creates keyboard
shortcuts for them for each page. I write a plugin that searches the mc's in
the content swf that have _accProps.shortcut set and create a shortcut based
on that value, and remove it on page unload.

Anyway, reading your response got me thinking of something that might be
better in terms of design (but may be pretty out there). I was previously
treating the plugins as if they were controllers: They receive events and
act on the main application or other plugins. I think this may be my
mistake. My next idea (which is still churning a bit in my head) is to
create Plugins which are little more than containers for Command objects.
Plugins implement specific interfaces so the Main controller knows what
commands the plugin contains and what bus/chain needs to execute them.

Still see a few problems: Some plugins create objects that fire events.
Would the command create commands to handle them?  Also it still sounds like
I'll be passing the commands a reference to their containing controller or
the view itself -- I'm still not sure how I feel about that (or if it should
even bother me).

You (or anyone else) see a glaring error in this thinking?

On 8/22/07, Hans Wichman <[EMAIL PROTECTED]> wrote:
>
> Hi Jer,
>
> we have been dealing with the same kind of questions (and still are now
> and
> then).
>
> We have a course engine out there, which has a very simple setup/interface
> (although the inner workings are not that simple).
> But we ran into the same problem, adding content required us to recompile
> the engine now and then.
>
> We thought about going the plugin way, and we even had most of the design
> ready.
>
> It involved something like loading a plugin which existed of a number of
> classes defining the plugin, request/result types, registration to one
> service bus or another etc. In the end a request wouldnt know which
> service
> satisfied it, which plugin handled the result etc.
> Basically it didnt involve a lot more than usual I think in terms of
> patterns, using the command, businessdelegate, service, valueobject,
> request/response (if you can call that a pattern), abstractfactory,
> registries etc.
> BUT the biggest problem at the moment is that the gap in terms of
> refactoring between our current system and the 'utopia' system is too wide
> to call it refactoring. Better to call it a complete rewrite. In addition,
> the question we were asking ourselves was whether we were going to do this
> because it would be uber cool to build such a plugin system, or that the
> functionality required really demanded such as architecture.
>
> In the end we chose to follow a different route at the moment and that is
> refactoring our current system step by step. Not that it is a bad system,
> it
> is pretty good as it is, but in order to be able to maintain/extend it etc
> some refactoring is necessary. Maybe if the requirements require it (:-S)
> and the refactoringsprocess has gone far enough, the plugin system will
> find
> its way in eventually.
>
> Maybe it is of any use to you if I describe the current system:
>
> the current system has a few part, a controlpanel, a dialog panel and a
> locationpanel
> These parts supports different commands, eg loadSwf, showDialog,
> addTabButton etc
> All these commands are supplied by the backend.
>
> So basically an empty interface starts up and sends a systemstart event to
> the backend.
> The backend says load location A, show dialog B, and adds these 3 buttons.
>
> The location can be anything, for example we have an fake email
> application,
> a notepad, panorama's etc, but the most basic location type is simply an
> image with hotspots. If you click on a hotspot, an event goes back to the
> server and the server tells us what to do again such as load another
> location, remove

[Flashcoders] Scroll to maximum vPosition?

2007-08-22 Thread Mendelsohn, Michael

Hi list...

Setting a V2 ScrollPane's vPosition is easy enough, but for sending it
all the way to the bottom.  The following isn't working for me:

_root.sp.vPosition = _root.sp.content._height;

Anyone know if a trick is involved?

Thanks,
- Michael M.
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Re: [Flashcoders] FMS 2 multiplayer game

2007-08-22 Thread Joshua Sera

You're running into the same latency problems I did
when I tried to do a real-time game in Flash.

The movement's fine, you're correcting for latency
burps fine, but events like someone else stealing the
ball is unpredictable.

I can steal the ball from someone else, bu running
halfway down the field away from everyone, and have
the ball disappear and reappear next to someone else's
icon.

The ball-theft event is incredibly time-sensitive, so
it's very important that people know when and where it
happens.

If you manage to find a workaround to this, post it on
the list, because I really don't think it can be
worked around without using UDP packets, and Flash
doesn't support that, and none of the 3rd party
projector apps allow you enough control over the
packet to make UDP hole punching work, which is what
you need to get past firewalls.

--- Norman Cousineau <[EMAIL PROTECTED]> wrote:

> 
> I recently made a multi-player soccer game prototype
> based on FMS 2.
> The purpose was to test latency...to see how well
> each player keeps up to where they're supposed to be
> on the field.
> 
> To see for yourself, the url is:
> www.soccer.datasfaction.com
> 
> 
> To get the multiplayer effect, open multiple browser
> windows.  That will add players.
> 
> If you can't connect, it could be due to a firewall,
> or too many people connected.
> 
> Feel free to email comments to me.
> 
> Regards,
> Norm C
> 
> 
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Yahoo! Answers - Check it out. 
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[Flashcoders] Should Flash CS3 Pro result in larger SWF and EXE files than Flash 8?

2007-08-22 Thread matt stuehler

All,

I recently switched from Flash 8 Pro to Flash CS3 Pro.

I just noticed today that my published SWFs and EXEs are considerably
larger when I publish them with CS3 than they were when published from
F8, even though the FLAs are the same.

In other words, I took an FLA that was saved as a CS3 file. When
published, the SWF was 980kb, and the EXE was 3,423kb.

I saved the FLA as a Flash 8 file (since it doesn't us AS3 or any CS3
functions), republished, and the SWF was 879kb and the EXE was only
2,434kb.

That's a pretty big difference (~30% for the EXE), for exactly the
same functionality.

I can live with the Adobe bloat in the CS3 IDE, but I didn't think
that it was going to cost me in terms of the resulting SWF filesize.

Has anyone else noticed this? Am I making a mistake, or missing a
publish option?

Many thanks in advance for your advice and insight.

Cheers,
Matt Stuehler
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[Flashcoders] Q: runtime error:TypeError: Cannot access a property or method of a null object reference.

2007-08-22 Thread moveup

Hi
Trying to simply get a PV3D AS3 demo running. No compile time errors, but when 
launching the swf get:

TypeError: Error #1009: Cannot access a property or method of a null object 
reference.


Can anyone help?
thanks


[e] jbach at bitstream.ca
[c] 416.668.0034
[w] www.bitstream.ca

"...all improvisation is life in search of a style."
 - Bruce Mau,'LifeStyle'
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Re: [Flashcoders] Modifying Publish Settings with JSFL

It's actually a bigger problem than just JSFL.  If you import a publish 
profile xml in the Flash IDE, the same thing happens - class paths get 
erased.


It's a ridiculous bug that has been around since Flash MX 2004 and they 
have never fixed it.  Macromedia and Adobe both seem to think that 
having an important feature in their application be broken for 3 years 
is fine.


AFAIK it's still broken in Flash CS3.
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[Flashcoders] FMS 2 multiplayer game

2007-08-22 Thread Norman Cousineau


I recently made a multi-player soccer game prototype based on FMS 2.
The purpose was to test latency...to see how well each player keeps up to where 
they're supposed to be on the field.

To see for yourself, the url is:
www.soccer.datasfaction.com


To get the multiplayer effect, open multiple browser windows.  That will add 
players.

If you can't connect, it could be due to a firewall, or too many people 
connected.

Feel free to email comments to me.

Regards,
Norm C


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Re: [Flashcoders] Modifying Publish Settings with JSFL

2007-08-22 Thread Chris Hill


Great! Exactly what I'm after. I don't know why Google didn't hit that.

Argh, that's annoying as we set our classpaths on a per-file basis quite 
often. Hmm...and no way to modify the classpaths of the files by jsfl, 
huh? Big piratey arrrgh.


Thanks, Steve,
Chris

Steven Sacks wrote:

I blogged about this last August.

http://www.stevensacks.net/2006/08/06/using/

Keep in mind that due to a known and really nasty bug that STILL 
hasn't been fixed, when you import a publish profile.xml, all class 
paths for that file are erased.  It really sucks, but the trade off is 
you don't have to manually enter all those publish paths.  ;)




Chris Hill wrote:
I know this has been talked about before but I figured I'd revisit it 
since CS3's been out:


We're merging two subversion repositories, and I need to migrate 
about 20 or so flash files to export to a different directory. Of 
course I can go ahead and modify them all by hand, and I may do that 
after all, but that'd be silly. What I really want is for JSFL to 
come to the rescue so I don't have to do this again in the future. 
Barring that I think that maybe Ant with some regular expressions and 
jsfl love may be able to provide a solution. Has anyone solved this 
problem before? I could really use some tips.


Thanks
C
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Re: [Flashcoders] Modifying Publish Settings with JSFL


Oops!

http://www.stevensacks.net/2006/08/06/using-jsfl-to-change-publish-settings/

There you go.
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Re: [Flashcoders] Modifying Publish Settings with JSFL


I blogged about this last August.

http://www.stevensacks.net/2006/08/06/using/

Keep in mind that due to a known and really nasty bug that STILL hasn't 
been fixed, when you import a publish profile.xml, all class paths for 
that file are erased.  It really sucks, but the trade off is you don't 
have to manually enter all those publish paths.  ;)




Chris Hill wrote:
I know this has been talked about before but I figured I'd revisit it 
since CS3's been out:


We're merging two subversion repositories, and I need to migrate about 
20 or so flash files to export to a different directory. Of course I can 
go ahead and modify them all by hand, and I may do that after all, but 
that'd be silly. What I really want is for JSFL to come to the rescue so 
I don't have to do this again in the future. Barring that I think that 
maybe Ant with some regular expressions and jsfl love may be able to 
provide a solution. Has anyone solved this problem before? I could 
really use some tips.


Thanks
C
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Re: [Flashcoders] Pattern/Design/Best Practices: Plugin Scheme?

2007-08-22 Thread Hans Wichman

Hi Jer,

we have been dealing with the same kind of questions (and still are now and
then).

We have a course engine out there, which has a very simple setup/interface
(although the inner workings are not that simple).
But we ran into the same problem, adding content required us to recompile
the engine now and then.

We thought about going the plugin way, and we even had most of the design
ready.

It involved something like loading a plugin which existed of a number of
classes defining the plugin, request/result types, registration to one
service bus or another etc. In the end a request wouldnt know which service
satisfied it, which plugin handled the result etc.
Basically it didnt involve a lot more than usual I think in terms of
patterns, using the command, businessdelegate, service, valueobject,
request/response (if you can call that a pattern), abstractfactory,
registries etc.
BUT the biggest problem at the moment is that the gap in terms of
refactoring between our current system and the 'utopia' system is too wide
to call it refactoring. Better to call it a complete rewrite. In addition,
the question we were asking ourselves was whether we were going to do this
because it would be uber cool to build such a plugin system, or that the
functionality required really demanded such as architecture.

In the end we chose to follow a different route at the moment and that is
refactoring our current system step by step. Not that it is a bad system, it
is pretty good as it is, but in order to be able to maintain/extend it etc
some refactoring is necessary. Maybe if the requirements require it (:-S)
and the refactoringsprocess has gone far enough, the plugin system will find
its way in eventually.

Maybe it is of any use to you if I describe the current system:

the current system has a few part, a controlpanel, a dialog panel and a
locationpanel
These parts supports different commands, eg loadSwf, showDialog,
addTabButton etc
All these commands are supplied by the backend.

So basically an empty interface starts up and sends a systemstart event to
the backend.
The backend says load location A, show dialog B, and adds these 3 buttons.

The location can be anything, for example we have an fake email application,
a notepad, panorama's etc, but the most basic location type is simply an
image with hotspots. If you click on a hotspot, an event goes back to the
server and the server tells us what to do again such as load another
location, remove some buttons, add some tabs.

In the end its a complete elearning/adventure style kind of engine.

HTH
JC

On 8/22/07, Jer Brand <[EMAIL PROTECTED]> wrote:
>
> AS2 / Flash 8 project and needing help with the design. I'm probably going
> into way too much detail for the question but...
>
> I'm working on course template or engine (for lack of a better term) to
> deliver content swf's. The problem in our shop is the massive amount of
> change in basic functionality for each course have meant (before I worked
> here) the template code has to change every course. This, to me, is a very
> bad thing.
>
> My solution is to build the core template to be almost slide show simple,
> but loads classes from external swfs as "plugins" and broadcasts a number
> of
> events.  Each of the plugins's implements an interface that tells the main
> app what events the plugin should be subscribed to.
>
> Nearly all the functionality is contained in the plugins: LMS
> communication,
> layout, accessibility, the actual interface, etc. Plugins have to be able
> to
> modify or add content to the main app and the loaded content pages.
> Plugins
> also have to be able to tell the main app when they're done doing
> performing
> their edits at each event.
>
> Now, I have a working solution, It does the job, and does it well.
> However,
> the design of the app and plugins are heavily interconnected. To get the
> job
> done, the main app has to constantly pass around pieces of itself and
> other
> plugins (like the display area or the UI), the interface to keep things
> working smoothly.
>
> Obviously it's not good design, but the prototype is out of the way, and I
> know it's not an invalid path to use something like this.  Now I'm looking
> for a better way. Is there a Pattern or common practice for designing a
> plugin scheme? My first thought was "Hey, isn't there a Plugin pattern?"
> but
> my google skills are failing me on finding anything about it, or how
> anyone's done this in the past.
>
> Any help to be had or is this such a specific thing that general "this is
> the best pattern" isn't a valid question.
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Re: [Flashcoders] Property Access


I wouldn't even go so far as to say he's 99% right.  More like 33.3%.

Private properties with Public getters and setters is used for one of
three reasons.

1) You need to do adjust the value of the property when set or get, such
as applying limits (max value is 100 so if you pass 150, set it to 100),
or storing the value internally as something different and returning a
modified value (internally using .5, but the API accepts 50).

2) You need to update the class when a property is set or get.

3) You need protection against dummies.


#3 is what Ron is talking about here, because if you're not doing #1 or
#2, then you don't need getters and setters.

I use public properties when appropriate.  I only use getters and 
setters when I need to do something to the property prior to setting it 
(such as limits) or some kind of update to the class when the property 
changes.


There's such a thing as over-architecting.  OOP sacrifices speed for 
flexibility and scalability.  You shouldn't overdo it with unnecessary 
function calls for setting public properties.  It causes code bloat and 
your code doesn't perform as well.  I don't wrote code for the lowest 
common denominator.  I've got work to get done.


We're Flash developers, not C++ developers.  We can't bring down the 
operating system with a bad value.  Some of these safeguards are in 
place because lower-level languages can cause real damage.  The only 
thing that can happen in Flash is that particular swf might have 
problems.  You can't bring down a system by missetting a property in Flash.


According to Ron Wheeler, I'm a bad coder.  I respectfully disagree. :)

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[Flashcoders] Modifying Publish Settings with JSFL

2007-08-22 Thread Chris Hill

I know this has been talked about before but I figured I'd revisit it 
since CS3's been out:


We're merging two subversion repositories, and I need to migrate about 
20 or so flash files to export to a different directory. Of course I can 
go ahead and modify them all by hand, and I may do that after all, but 
that'd be silly. What I really want is for JSFL to come to the rescue so 
I don't have to do this again in the future. Barring that I think that 
maybe Ant with some regular expressions and jsfl love may be able to 
provide a solution. Has anyone solved this problem before? I could 
really use some tips.


Thanks
C
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[Flashcoders] Use Flex library SWC in Flash CS3

2007-08-22 Thread Derek Vadneau

Is it possible?

The library does NOT depend on any part of the Flex SDK. Only the 
playerglobal.swc is included.

I have tried adding the SWC to the AS3 classpath, but that only lets me 
compile, the code isn't actually included in the SWF.

Or is there a way in Flash CS3 to create an AS3 library in the same way as 
Flex does, so that it can be used in a Flash project?

tia,

Derek Vadneau


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Re: [Flashcoders] Flash CMS

2007-08-22 Thread hervé hubert


same here ... even in french ;-)
hh

Le 22 août 07 à 18:34, Eric Walton a écrit :

I would be very interested in this as well and would also be  
willing to help

out with it too.


Eric Walton 9 / Edub9

To view more about
The Artwork of Eric Walton 9 / Edub9
please visit the following:
www.hollywoodfineart.com
www.myspace.com/ericwalton9_edub9
Providentia Marketing LLC



On 8/21/07, Gilles Roquefeuil <[EMAIL PROTECTED]> wrote:


Hello Corban,

I've been working on such a CMS for 2 years now, but i haven't yet
totally finished (no doc, code optimisation not done, etc...)
As for today, this CMS lacks a 'creation' module, i.e. I generate by
hand the first site with chapters, subchapters,etc as a 'template'.
Then everything is editable.
The CMS doesn't require database, just PHP.
If you're interested, i can provide links and access to test sites.

Gilles
[EMAIL PROTECTED]


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::: www.herrlich-hubert.de :::
:: 00 49 179 979 2044 ::



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Re: [Flashcoders] what is that


exactly what i wanted to hear. thanks *g

Paul Venton schrieb:

Because you're special :-)

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of dr.ache
Sent: 22 August 2007 16:25
To: flashcoders@chattyfig.figleaf.com
Subject: Re: [Flashcoders] what is that

but why do i receive that mail? i had written more than one message 
before that confirmation mail.




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RE: [Flashcoders] Property Access (was: Intro to OOP using ActionScript)

2007-08-22 Thread Kerry Thompson

Ron Wheeler wrote:

> Not addressing properties is a requirement of OOP otherwise you break
> encapsulation.

Allow me to politely disagree.

99% of the time, you are right. I just wrote a retirement calculator for
ING, entirely OOP, and there's not a public var to be found. Anywhere.

Let me back up a bit. The essence of OOP is defining a public interface.
Most of the time these will be public methods (functions). But there are
times when directly accessing a property is not only acceptable, but
preferred.

One example. I wrote a piece that simulated a planet moving through an
asteroid field. The planet exerted a gravitational pull on the asteroids--as
the planet approached an asteroid, the asteroid would start moving towards
the planet. The closer it got, the faster it would move towards the planet.

There were about a hundred asteroids, and they all needed to know the
current x and y of the planet, plus its slope (the direction in which it was
moving).

I made the x, y, and slope public properties, and accessed them directly.
The reason was simple: performance. Planet.slope was faster than
Planet.getSlope(). With a hundred asteroids accessing the property and doing
their own calculations, it really made a performance difference.

Where is the harm in that? How does that break encapsulation? The properties
I made public were part of the defined interface. The object knew it, and
the observers (the asteroids) knew it.

I might do it differently now--this was 7 years ago, and performance was
more of an issue than it is now. Still, it's a perfectly logical and solid
OOP implementation.

Cordially,

Kerry Thompson

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Re: [Flashcoders] "This is not Java": property accessors

2007-08-22 Thread T. Michael Keesey

On 8/22/07, Alan MacDougall <[EMAIL PROTECTED]> wrote:
>
> Well, the idea is that you'd never mix the two syntaxes. Either every
> single field uses explicit getters, or every single one uses
> property-style access.

Fine if you're working by yourself, just using your own code.

> An abstract class is just one that provides some of the implementation,
> but not all of it (as distinct from an interface, which provides none of
> the implementation). You can do abstract classes in AS, just name them
> "AbstractButton implements Button" and then "SpecificButton extends
> AbstractButton". This does require that all your coders know not to try
> to use an abstract-named class directly. It's not enforced by the
> language, but that's not a huge loss.

Not a huge loss, but a loss nonetheless. And while it can be worked
around in the manner you indicate, there's no equivalent for abstract
methods. Best you can do is throw an IllegalOperationError in the
pseudo-abstract method, which of course means you can only catch
inappropriate usage at runtime rather than compile-time. Yuck.

Funny thing is, Adobe clearly thinks it's useful to have classes that
cannot be instantiated, e.g. DisplayObject. Why this isn't a feature
of the language is something I just don't understand.

> The only reason to put an exception in a method signature is to ensure
> that it is checked, and I actually don't like checked exceptions. I
> would like to know about exceptions, but not be forced to handle them at
> compile-time -- that just leads to a lot of lazy "swallowed" exceptions,
> and in a really big app you could even be forced to handle exceptions
> that just aren't relevant to begin with, or for which you have no
> resolution context.

I haven't had any such problems so far, but I haven't been using Java
very long. I have a hard time imagining where it would be a problem.
At some higher level you could just say "throws Exception" and have
some way to relay that to the user.

> And for simply informing the coder about exceptions,
> just include it in your documentation. AS2API allows a "@throws
> ExceptionClass when blah blah blah" comment, I'm sure ASDoc and other
> solutions do too.

ASDoc does offer it, but it's up to you to make sure everything is
covered. I like that Java checks for you. With ASDoc, every time I add
a new exception to some base function, I have to bubble it up to the
ASDoc block comment of every function that uses that function, and
every function that uses those functions, etc. Maybe if there were an
automated way to handle this it'd be okay.

> The things *I* miss most from Java are generics, and the ability to
> define constants in interfaces.

Two very good points. Actually, generics are probably more important
than anything I mentioned.

-- 
Mike Keesey
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RE: [Flashcoders] Do we like the same books?

2007-08-22 Thread Kerry Thompson

Ambivert wrote:
 
> I just joined Shelfari to connect with other book lovers. Come see the
books I love
> and see if we have any in common. Then pick my next book so I can keep on
> reading.

What does this have to do with Flash?


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Re: [Flashcoders] Flash CMS

2007-08-22 Thread Eric Walton

I would be very interested in this as well and would also be willing to help
out with it too.


Eric Walton 9 / Edub9

To view more about
The Artwork of Eric Walton 9 / Edub9
please visit the following:
www.hollywoodfineart.com
www.myspace.com/ericwalton9_edub9
Providentia Marketing LLC



On 8/21/07, Gilles Roquefeuil <[EMAIL PROTECTED]> wrote:
>
> Hello Corban,
>
> I've been working on such a CMS for 2 years now, but i haven't yet
> totally finished (no doc, code optimisation not done, etc...)
> As for today, this CMS lacks a 'creation' module, i.e. I generate by
> hand the first site with chapters, subchapters,etc as a 'template'.
> Then everything is editable.
> The CMS doesn't require database, just PHP.
> If you're interested, i can provide links and access to test sites.
>
> Gilles
> [EMAIL PROTECTED]
>
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RE: [Flashcoders] Do we like the same books?

2007-08-22 Thread Dave Watts

> I just joined Shelfari to connect with other book lovers.

This does not belong on Flashcoders.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/

Fig Leaf Software provides the highest caliber vendor-authorized
instruction at our training centers in Washington DC, Atlanta,
Chicago, Baltimore, Northern Virginia, or on-site at your location.
Visit http://training.figleaf.com/ for more information!

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Re: [Flashcoders] "This is not Java": property accessors

2007-08-22 Thread Alan MacDougall




And another point: Suppose you start out making something as a public
field and then later realize you need to restrict its value in some
way. With properties, this change will make absolutely no difference
to the rest of your code. Without properties, you will have to change
every instance of "obj.myField = x" to "obj.setMyField(x)" and every
other instance of "obj.myField" to "obj.getMyField()". So it makes
this type of refactoring far easier.
  
Well, the idea is that you'd never mix the two syntaxes. Either every 
single field uses explicit getters, or every single one uses 
property-style access.

Personally I find properties (i.e., implicit getters and setters) to
be one of ActionScript's few advantages over Java as a language. (Now
if only we could have abstract classes, exception types in function
signatures, etc)
An abstract class is just one that provides some of the implementation, 
but not all of it (as distinct from an interface, which provides none of 
the implementation). You can do abstract classes in AS, just name them 
"AbstractButton implements Button" and then "SpecificButton extends 
AbstractButton". This does require that all your coders know not to try 
to use an abstract-named class directly. It's not enforced by the 
language, but that's not a huge loss.


The only reason to put an exception in a method signature is to ensure 
that it is checked, and I actually don't like checked exceptions. I 
would like to know about exceptions, but not be forced to handle them at 
compile-time -- that just leads to a lot of lazy "swallowed" exceptions, 
and in a really big app you could even be forced to handle exceptions 
that just aren't relevant to begin with, or for which you have no 
resolution context. And for simply informing the coder about exceptions, 
just include it in your documentation. AS2API allows a "@throws 
ExceptionClass when blah blah blah" comment, I'm sure ASDoc and other 
solutions do too.


The things *I* miss most from Java are generics, and the ability to 
define constants in interfaces.


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Re: [Flashcoders] "This is not Java": property accessors




T. Michael Keesey wrote:

On 8/22/07, Alan MacDougall <[EMAIL PROTECTED]> wrote:
  

Further derail! What are people's thoughts on implicit vs. explicit
accessors? I prefer explicit ones, but I confess that it's almost
entirely because I learned Java before Actionscript.



I think a lot of it has to do with readability. Compare:

clipA.setWidth(clipB.getWidth() + clipC.getX());

clipA.width = clipB.width + clipC.x;

And another point: Suppose you start out making something as a public
field and then later realize you need to restrict its value in some
way. With properties, this change will make absolutely no difference
to the rest of your code. Without properties, you will have to change
every instance of "obj.myField = x" to "obj.setMyField(x)" and every
other instance of "obj.myField" to "obj.getMyField()". So it makes
this type of refactoring far easier.
  
You start with every property private and you never have to refactor the 
rest of your code (encapsulation)
That is the tradeoff between readibility and less typing against 
robustness and predictable refactoring.



Personally I find properties (i.e., implicit getters and setters) to
be one of ActionScript's few advantages over Java as a language. (Now
if only we could have abstract classes, exception types in function
signatures, etc)
  

I am not sure if this helps but it makes interesting reading.
http://nodename.com/blog/2005/09/19/abstract-classes/
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RE: [Flashcoders] what is that

2007-08-22 Thread Paul Venton

Because you're special :-)

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of dr.ache
Sent: 22 August 2007 16:25
To: flashcoders@chattyfig.figleaf.com
Subject: Re: [Flashcoders] what is that

but why do i receive that mail? i had written more than one message 
before that confirmation mail.



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Re: [Flashcoders] "This is not Java": property accessors

2007-08-22 Thread T. Michael Keesey

On 8/22/07, Alan MacDougall <[EMAIL PROTECTED]> wrote:
> Further derail! What are people's thoughts on implicit vs. explicit
> accessors? I prefer explicit ones, but I confess that it's almost
> entirely because I learned Java before Actionscript.

I think a lot of it has to do with readability. Compare:

clipA.setWidth(clipB.getWidth() + clipC.getX());

clipA.width = clipB.width + clipC.x;

And another point: Suppose you start out making something as a public
field and then later realize you need to restrict its value in some
way. With properties, this change will make absolutely no difference
to the rest of your code. Without properties, you will have to change
every instance of "obj.myField = x" to "obj.setMyField(x)" and every
other instance of "obj.myField" to "obj.getMyField()". So it makes
this type of refactoring far easier.

Personally I find properties (i.e., implicit getters and setters) to
be one of ActionScript's few advantages over Java as a language. (Now
if only we could have abstract classes, exception types in function
signatures, etc)
-- 
Mike Keesey, who leaned ActionScript before Java
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Re: [Flashcoders] what is that

but why do i receive that mail? i had written more than one message 
before that confirmation mail.



Alain Rousseau schrieb:

That's a BoxStopper SpamTrap automated message, that person didn't put the
list's adress in his whitelist 


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of dr.ache
Sent: 22 août 2007 04:56
To: flashcoders
Subject: [Flashcoders] what is that

i just received an email, with the following content. is it real ?

From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>;
Subject: Re: [Flashcoders] Intro to OOP using ActionScript
Date: 8/22/2007

has been just received by risorsei.it mailserver.

To prove that your message was sent by a human and not a computer, please
visit the URL below and type in the alphanumeric text you will see in the
image. You will be asked to do this only once for this recipient.

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[Flashcoders] Pattern/Design/Best Practices: Plugin Scheme?

2007-08-22 Thread Jer Brand

AS2 / Flash 8 project and needing help with the design. I'm probably going
into way too much detail for the question but...

I'm working on course template or engine (for lack of a better term) to
deliver content swf's. The problem in our shop is the massive amount of
change in basic functionality for each course have meant (before I worked
here) the template code has to change every course. This, to me, is a very
bad thing.

My solution is to build the core template to be almost slide show simple,
but loads classes from external swfs as "plugins" and broadcasts a number of
events.  Each of the plugins's implements an interface that tells the main
app what events the plugin should be subscribed to.

Nearly all the functionality is contained in the plugins: LMS communication,
layout, accessibility, the actual interface, etc. Plugins have to be able to
modify or add content to the main app and the loaded content pages. Plugins
also have to be able to tell the main app when they're done doing performing
their edits at each event.

Now, I have a working solution, It does the job, and does it well. However,
the design of the app and plugins are heavily interconnected. To get the job
done, the main app has to constantly pass around pieces of itself and other
plugins (like the display area or the UI), the interface to keep things
working smoothly.

Obviously it's not good design, but the prototype is out of the way, and I
know it's not an invalid path to use something like this.  Now I'm looking
for a better way. Is there a Pattern or common practice for designing a
plugin scheme? My first thought was "Hey, isn't there a Plugin pattern?" but
my google skills are failing me on finding anything about it, or how
anyone's done this in the past.

Any help to be had or is this such a specific thing that general "this is
the best pattern" isn't a valid question.
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[Flashcoders] "This is not Java": property accessors

2007-08-22 Thread Alan MacDougall

Further derail! What are people's thoughts on implicit vs. explicit 
accessors? I prefer explicit ones, but I confess that it's almost 
entirely because I learned Java before Actionscript. You can't argue 
that explicit setters are required for a "serious" language, because C# 
prefers implicit setters. (For the sake of argument, let's just agree 
that C# is a serious object-oriented language.)


From a practical standpoint, using myObject.property is perfectly 
effective. If it's a property that should be insulated from direct 
modification, you just apply a public implicit getter to a private 
field. If it's a property that need not be insulated, such as 
MovieClip._x, why not just make it public? As long as the naming and 
effects are consistent, I don't see a practical drawback.


Theoretically, though, I like explicit setters because they make it very 
clear that you're calling methods which act on internal fields. 
myObject.getProperty() tells the coder "you're getting a value, but NOT 
necessarily the value of any particular internal field," while 
myObject.property implies that they're getting internal state from the 
object. (Another advantage, in Actionscript, is that using explicit 
setters reserves pure dot-notation for movieclip paths: foo.bar.baz must 
clearly be a MovieClip nesting, while foo.getBar().getBaz() must clearly 
be class objects.)


In the end, my choice of explicit setters is based on habit and personal 
preference. Opinions?


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RE: [Flashcoders] what is that

2007-08-22 Thread Alain Rousseau

That's a BoxStopper SpamTrap automated message, that person didn't put the
list's adress in his whitelist 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of dr.ache
Sent: 22 août 2007 04:56
To: flashcoders
Subject: [Flashcoders] what is that

i just received an email, with the following content. is it real ?

From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>;
Subject: Re: [Flashcoders] Intro to OOP using ActionScript
Date: 8/22/2007

has been just received by risorsei.it mailserver.

To prove that your message was sent by a human and not a computer, please
visit the URL below and type in the alphanumeric text you will see in the
image. You will be asked to do this only once for this recipient.

http://mail.risorsei.it:32000/challenge/?folder=2007082210464758665722

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Re: [Flashcoders] Intro to OOP using ActionScript: patterns derail!

2007-08-22 Thread Andy Herrman

The "fancy names" are kind of useful actually.  Most of the patterns
I've learned but I didn't know the "fancy/official" names for them.
This caused some confusion when talking with my coworker as he would
be simply using the names instead of the concepts and I'd have to stop
and figure out which one he meant, or I'd spend extra time explaining
what I was talking about when I could have just said the name and been
done with it.

The names are useful as a common/shared way of referencing complex
concepts.  That said, the concepts are much more important than the
names, as you can get by just fine with only the concepts, but fail
miserably on with just the names. :)

  -Andy

On 8/22/07, Ron Wheeler <[EMAIL PROTECTED]> wrote:
>
>
> Dave Mennenoh wrote:
> >>> How do you handle onLoad's famous scope? ... It is not magic or
> >>> advanced. If a pattern was shown to a new programmer without giving
> >>> it a fancy name, they would just accept it as the best way to do the
> >>> task and would never give it moment's thought.
> >
> > Right. Delegate - ie Proxy. I agree. I wasn't saying patterns
> > shouldn't be taught, or used - I doubt you could teach a Flash class
> > these days without teaching Observer, but you might not ever call it
> > that. In fact, I wonder who does call it that in a class? Actually,
> > the more I think about it, I think for students it might be best not
> > to call these patterns and just teach them. Then, once they know how
> > to use them, tell them what they are. It's a bit like teaching
> > encapsulation I think - if you just show your students how to write
> > classes, and they see how classes work for organizing code, they will
> > likely just use them.
> >
> >
> That is what I have been saying from the start of this discussion.  You
> do not have to teach the fancy names. Just teach them to use proper
> coding practices. OOP and Design Patterns are just names that we use to
> group a bunch of best practices into theories so we can discuss the
> theory and have a framework to critique code. I have a feeling that for
> most of us, the word polymorphism is not much of a help and I see no
> reason to even use the word on 14 year olds until the last week of class
> and only then as a warning that someday someone might try to use it on
> them in a discussion about design.
>
> Ron
> >
> > Dave -
> > Head Developer
> > http://www.blurredistinction.com
> > Adobe Community Expert
> > http://www.adobe.com/communities/experts/
> > ___
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[Flashcoders] Race cars game development

2007-08-22 Thread Sainz de la Maza Ruben

Hi

I will begin to develop in OOP (AS2) a race cars game.
The participants drive a 4x4 truck over a road, with obstacles.
It´s not a 3D game.  I have an example here:
http://www.2flashgames.com/f/f-3D-Rally-Racing-4621.htm

Can anybody have tips, code, framework, etc, or an idea to implement this type 
of games?

Thanks in advance


Atte Ruben Sainz de la Maza
Flash Senior Developer
AFIP - Dto Internet - 4347.1148


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RE: [Flashcoders] acrobat detector

2007-08-22 Thread Hairy Dog Digital

Hi Nik,

As far as I know, when running from a projector, there's no way to determine
Acrobat or Reader installation. I've always resorted to using Director as a
wrapper (though Zinc should work just as well), to ferret out the
application associated with *.pdf (and PDF_ type and CARO creator on Mac). 

With running as a SWF in HTML there are ways with Javascript that you can
sniff out the browser's PDF handling, but then your delivering your app as
an CD-based browser/HTML product, which brings with it a different world of
issues.

...Rob


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Re: [Flashcoders] Intro to OOP using ActionScript

2007-08-22 Thread Ian Thomas

On 8/22/07, Ron Wheeler <[EMAIL PROTECTED]> wrote:
>
>
> Ian Thomas wrote:
>
> > Your second example is overcomplicated - why teach getters and setters
> from
> > the word go when a property (public var age:Number;) is far simpler/more
> > obvious? Yes, getters and setters are part of the OOP paradigm, but not
> a
> > requirement.
> >
> >
> That was my example. You teach people the right way to do it so that
> they never consider addressing a property directly. It may look easier
> but someday, it will break your code in a way that will cause you a lot
> of grief. There are good reasons why it is not done.
>
> Not addressing properties is a requirement of OOP otherwise you break
> encapsulation.

I think my head is in AS2/AS3 world, where you're dealing with instrinsic
getters and setters, i.e. the AS2/AS3 syntax. Which, personally, I find a
much better solution than the Java getters/setters. But that's a
conversation for another day. :-)

You're right, my example was bad practice.

But at a higher level than Java, it is perfectly permissible to have public
properties in OOP. It's just that, in Java, a property called 'Age' is
accessed via 'obj.getAge()', in AS3 it's obj.age via 'function get age()',
when talking to a Bean via BSF it's just obj.age, when reading a data
structure it's just obj.age, in PHP it's $obj->age and so on. Properties
exist and are legal to talk to - look at any OOP-based API. :-)

OOP, at a basic level, consists of  objects, methods _and_ properties - and
my argument is that mainstream programming is all converging on that model
and that's why it should be taught. But properties aren't public member
variables, which is where my example was wrong. :-)

Ian
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Re: [Flashcoders] Intro to OOP using ActionScript




Ian Thomas wrote:

In reply to Steven:
- Firstly, Wikipedia isn't a great source to quote. :-D
- Secondly, OOP as a style has basic stuff, and it has advanced stuff. I'm
not saying teach inheritance and polymorphism on day 1, I'm saying teach
that objects have properties (and then objects have methods). Not
necessarily because it's _better_ than procedural (we could argue that
forever) but because _almost all day-to-day programming languages that the
students will encounter will involve objects, properties and methods_.

In reply to Alan:

Your first example applies equally to OOP or procedural - it's a code
snippet, not a coding style.

Your second example is overcomplicated - why teach getters and setters from
the word go when a property (public var age:Number;) is far simpler/more
obvious? Yes, getters and setters are part of the OOP paradigm, but not a
requirement.

Ian
  
I would probably be more emphatic about getters and setter. If you are 
going to hire an "expert" ActionScript programmer and they give you code 
samples with public properties in their classes, ask for a copy of the 
liability insurance certificate.
It means that they either lazy or not competent and their code will 
likely contain so-called "shortcuts" that will cost you a lot of time 
and money later.

If you are going to pay for something, it should at least be safe.

Forgetting the "private" on a property is a full mark deduction in class.


Ron


On 8/21/07, Alan MacDougall <[EMAIL PROTECTED]> wrote:
  

So rather than engage in an argument as to whether OOP or procedural is
"better", we're basically asking: Do the additional distractions of OOP
justify the payoff from learning it up front? If you're teaching fellow
geeks, then yes. If you're teaching people with a more casual interest
in programming, or (shudder) people who are required to take the class,
you may want to keep it script-simple. Compare:



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Re: [Flashcoders] FocusManager

2007-08-22 Thread Bart Wttewaall

Well, I'd be truly surprised if that would work, but I'l try tomorrow
when I'm at work again :)
Thanks for the tip.

Bart

2007/8/21, John laPlante <[EMAIL PROTECTED]>:
> Go ahead and try that and I bet it will work.
>
> Bart Wttewaall wrote:
> > Thanks for replying John,
> >
> > But no, I never use _root, nor _level.
> > I'm calling this from a clickHandler within my component's class.
> > Like this (pseudocode):
> >
> > class Joystick extends UIComponent {
> >
> > ...
> >
> > public function init() {
> > ...
> > tabEnabled = true;
> > tabChildren = false;
> > ...
> > }
> >
> > private function onRelease() {
> > getFocusManager().setFocus(this);
> > }
> >
> > }
> >
> > 2007/8/21, John laPlante <[EMAIL PROTECTED]>:
> >
> >> Are you using calling this relative to _root or _level0?
> >> _root.focusManager.setFocus
> >>
> >> Bart Wttewaall wrote:
> >>
> >>> Hi list,
> >>>
> >>> I'm having trouble with the focusmanager. I created a Joystick
> >>> component that should be able to receive focus using the tab-key
> >>> (tabIndex) or by clicking it.
> >>>
> >>> Since it extends UIComponent, implementing the tabIndex version is
> >>> easy; at init, set tabEnabled to true and tabChildren to false.
> >>>
> >>> Now when the user clicks the component, it should also receive focus.
> >>> I've tried to call setFocus(this) or getFocusManager().setFocus(), but
> >>> the result is no focus, and worse, the joystick element with which you
> >>> control the component stops functioning as if the mouse is ignored.
> >>>
> >>> Does anyone have an example or a good source about the FocusManager?
> >>> Thanks in advance.
> >>>
> >>> Bart Wttewaall
> >>> ___
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> >>>
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Re: [Flashcoders] Intro to OOP using ActionScript




Ian Thomas wrote:

In reply to Steven:
- Firstly, Wikipedia isn't a great source to quote. :-D
- Secondly, OOP as a style has basic stuff, and it has advanced stuff. I'm
not saying teach inheritance and polymorphism on day 1, I'm saying teach
that objects have properties (and then objects have methods). Not
necessarily because it's _better_ than procedural (we could argue that
forever) but because _almost all day-to-day programming languages that the
students will encounter will involve objects, properties and methods_.

In reply to Alan:

Your first example applies equally to OOP or procedural - it's a code
snippet, not a coding style.

Your second example is overcomplicated - why teach getters and setters from
the word go when a property (public var age:Number;) is far simpler/more
obvious? Yes, getters and setters are part of the OOP paradigm, but not a
requirement.

  
That was my example. You teach people the right way to do it so that 
they never consider addressing a property directly. It may look easier 
but someday, it will break your code in a way that will cause you a lot 
of grief. There are good reasons why it is not done.


Not addressing properties is a requirement of OOP otherwise you break 
encapsulation.


When a person is first starting out, they will not question whether it 
is easier or harder. It just is.None of my test frameworks would ever 
address a property directly. I would not even mention the possibility of 
doing such a silly thing.


If the discussion ever comes up, I would defer it until after the first 
6 weeks and then use it to discuss the reasons why encapsulation is a 
"good thing" and show why directly addressing properties is inherently evil.


It is also a good introduction into a discussion about programming to 
interfaces which I also would have taught from day one. Not as a topic 
but as a way to specify coding exercises. Give them the interface and 
the program to test the class and ask them to create the class. Do not 
explain why, just let them have the freedom of naming variables and 
programming methods as long as it works with the interface.


From reviewing and discussing each other's code, they would already 
know that the properties of a given class may vary from person to person 
even if the Class is perfectly correct, the variable names follow 
standards and the Class satisfies the interface. They would already know 
that trying to guess property names for a class is impossible and that 
if you switched from one person's implementation to another, your 
program could fail if you have tried to use properties directly.
They would have seen that the test frameworks given for each exercise 
were not implementation dependent..


Ron

Ian


On 8/21/07, Alan MacDougall <[EMAIL PROTECTED]> wrote:
  

So rather than engage in an argument as to whether OOP or procedural is
"better", we're basically asking: Do the additional distractions of OOP
justify the payoff from learning it up front? If you're teaching fellow
geeks, then yes. If you're teaching people with a more casual interest
in programming, or (shudder) people who are required to take the class,
you may want to keep it script-simple. Compare:



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Re: [Flashcoders] Intro to OOP using ActionScript: patterns derail!




Dave Mennenoh wrote:
How do you handle onLoad's famous scope? ... It is not magic or 
advanced. If a pattern was shown to a new programmer without giving 
it a fancy name, they would just accept it as the best way to do the 
task and would never give it moment's thought.


Right. Delegate - ie Proxy. I agree. I wasn't saying patterns 
shouldn't be taught, or used - I doubt you could teach a Flash class 
these days without teaching Observer, but you might not ever call it 
that. In fact, I wonder who does call it that in a class? Actually, 
the more I think about it, I think for students it might be best not 
to call these patterns and just teach them. Then, once they know how 
to use them, tell them what they are. It's a bit like teaching 
encapsulation I think - if you just show your students how to write 
classes, and they see how classes work for organizing code, they will 
likely just use them.



That is what I have been saying from the start of this discussion.  You 
do not have to teach the fancy names. Just teach them to use proper 
coding practices. OOP and Design Patterns are just names that we use to 
group a bunch of best practices into theories so we can discuss the 
theory and have a framework to critique code. I have a feeling that for 
most of us, the word polymorphism is not much of a help and I see no 
reason to even use the word on 14 year olds until the last week of class 
and only then as a warning that someday someone might try to use it on 
them in a discussion about design.


Ron


Dave -
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[Flashcoders] Do we like the same books?

2007-08-22 Thread Ambivert

I just joined Shelfari to connect with other book lovers. Come see the books I
love and see if we have any in common. Then pick my next book so I can keep on
reading.

Click below to join my group of friends on Shelfari!

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Ambivert

Shelfari is a free site that lets you share book ratings and reviews with
friends and meet people who have similar tastes in books. It also lets you
build an online bookshelf, join book clubs, and get good book recommendations
from friends. You should check it out.

You have received this email because Ambivert ([EMAIL PROTECTED]) directly
invited you to join his/her community on Shelfari.

It is against Shelfari's policies to invite people who you don't know directly.
Follow this link (http://www.shelfari.com/actions/[EMAIL
PROTECTED]&activityid=2507617) to prevent future invitations to this address.
If you believe you do not know this person, you may view
(http://www.shelfari.com/Ambivert) his/her Shelfari page or report him/her in
our feedback (http://www.shelfari.com/Feedback.aspx) section.

Shelfari, 616 1st Ave #300, Seattle, WA 98104

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Re: [Flashcoders] save swf

2007-08-22 Thread bassam mohaisen

Thank you All
I did some research and I find out how to take snapshot using BitmapData = new 
BitmapData() ;
http://www.flash-db.com/Tutorials/snapshot/
but this will not help  since I need to save the movie clip and load it latter 
for any changes 

anyway thank you all for your help

bassam


- Original Message 
From: Muzak <[EMAIL PROTECTED]>
To: flashcoders@chattyfig.figleaf.com
Sent: Tuesday, August 21, 2007 7:02:13 PM
Subject: Re: [Flashcoders] save swf


There are JPEG en PNG encoder classes for AS3
http://code.google.com/p/as3corelib/
http://as3corelib.googlecode.com/svn/trunk/src/com/adobe/images/

regards,
Muzak

- Original Message - 
From: "Jer Brand" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, August 21, 2007 10:49 PM
Subject: Re: [Flashcoders] save swf


> Uncompressed, yeah, that'd be ugly. But how does something like the
> following (guesswork code) perform?
>
> foo:BitmapData = new BitmapData() ;
> /* put your image data in there, with whatever method */
>
> bar:ByteArray = foo.getPixels(myImageRect) ;
> var.compress() ;
>
> Again, mostly asking because I don't know enough about AS3/FP9. It's
> supposed to be using zlib compression on the ByteArray but for all I know
> it's still doesn't compress enough or quickly enough to be useful. I'm
> totally leaving out the question of conversion after post or Socket or
> whatever used server side to get the job done, but I have to assume it
> wouldn't be difficult using GD or ImageMagic.
>
> Anyone used this?
>


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Pinpoint customers who are looking for what you sell. 
http://searchmarketing.yahoo.com/
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Re: [Flashcoders] sending array items as function parameters

2007-08-22 Thread Tom Huynen

Wow, and so easy!!

Thanks a lot!!

:)

On 8/22/07, Hans Wichman <[EMAIL PROTECTED]> wrote:
>
> call and apply are your friends
>
> On 8/22/07, Tom Huynen <[EMAIL PROTECTED]> wrote:
> >
> > Another question...
> >
> > I have an array that varies in length:
> >
> > var myArray:Array = ["item0", "item1", "item2", "etc"];
> >
> > And I have a few functions that require a different amount of
> parameters:
> >
> > function test1(arg1:String, arg2:String){}
> > function test2(arg1:String, arg2:String, arg3:String, arg4:String){}
> >
> > Depending on the situation one of the functions above is called and the
> > items in the myArray should be sent as parameters.
> > Something like this should happen:
> >
> > test1(myArray[0], myArray[1], etc); However, the length of myArray
> varies
> > so
> > this won't work. When I create string like var str:String = myArray[0] +
> > ","
> > + myArray[1] + "," etc everything is picked up as one parameter. Same
> goes
> > for sending the myArray as parameter.
> >
> > It would require something like a for loop between de brackets...
> >
> >
> > Is it possible?
> >
> > Regards,
> >
> > Tom
> > ___
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Re: [Flashcoders] sending array items as function parameters

2007-08-22 Thread Muzak

http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/Function.html#apply()

- Original Message - 
From: "Tom Huynen" <[EMAIL PROTECTED]>
To: 
Sent: Wednesday, August 22, 2007 12:03 PM
Subject: [Flashcoders] sending array items as function parameters


> Another question...
>
> I have an array that varies in length:
>
> var myArray:Array = ["item0", "item1", "item2", "etc"];
>
> And I have a few functions that require a different amount of parameters:
>
> function test1(arg1:String, arg2:String){}
> function test2(arg1:String, arg2:String, arg3:String, arg4:String){}
>
> Depending on the situation one of the functions above is called and the
> items in the myArray should be sent as parameters.
> Something like this should happen:
>
> test1(myArray[0], myArray[1], etc); However, the length of myArray varies so
> this won't work. When I create string like var str:String = myArray[0] + ","
> + myArray[1] + "," etc everything is picked up as one parameter. Same goes
> for sending the myArray as parameter.
>
> It would require something like a for loop between de brackets...
>
>
> Is it possible?
>
> Regards,
>
> Tom


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Re: [Flashcoders] sending array items as function parameters

2007-08-22 Thread Hans Wichman

call and apply are your friends

On 8/22/07, Tom Huynen <[EMAIL PROTECTED]> wrote:
>
> Another question...
>
> I have an array that varies in length:
>
> var myArray:Array = ["item0", "item1", "item2", "etc"];
>
> And I have a few functions that require a different amount of parameters:
>
> function test1(arg1:String, arg2:String){}
> function test2(arg1:String, arg2:String, arg3:String, arg4:String){}
>
> Depending on the situation one of the functions above is called and the
> items in the myArray should be sent as parameters.
> Something like this should happen:
>
> test1(myArray[0], myArray[1], etc); However, the length of myArray varies
> so
> this won't work. When I create string like var str:String = myArray[0] +
> ","
> + myArray[1] + "," etc everything is picked up as one parameter. Same goes
> for sending the myArray as parameter.
>
> It would require something like a for loop between de brackets...
>
>
> Is it possible?
>
> Regards,
>
> Tom
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Re: [Flashcoders] sending array items as function parameters

2007-08-22 Thread eka

Hello :)

it's easy use apply method of the Function objects :

///

var myArguments:Array = ["item0", "item1", "item2", "etc"];

var myFunction:Function = function ( ):Void
{
  trace (arguments) ;
}

myFunction.apply( null, myArguments ) ;

///

Read the documentation of Flash with the Function class and this two methods
"call" and "apply". You can read too the "arguments" definition.

EKA+ :)


2007/8/22, Tom Huynen <[EMAIL PROTECTED]>:
>
> Another question...
>
> I have an array that varies in length:
>
> var myArray:Array = ["item0", "item1", "item2", "etc"];
>
> And I have a few functions that require a different amount of parameters:
>
> function test1(arg1:String, arg2:String){}
> function test2(arg1:String, arg2:String, arg3:String, arg4:String){}
>
> Depending on the situation one of the functions above is called and the
> items in the myArray should be sent as parameters.
> Something like this should happen:
>
> test1(myArray[0], myArray[1], etc); However, the length of myArray varies
> so
> this won't work. When I create string like var str:String = myArray[0] +
> ","
> + myArray[1] + "," etc everything is picked up as one parameter. Same goes
> for sending the myArray as parameter.
>
> It would require something like a for loop between de brackets...
>
>
> Is it possible?
>
> Regards,
>
> Tom
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[Flashcoders] sending array items as function parameters

2007-08-22 Thread Tom Huynen

Another question...

I have an array that varies in length:

var myArray:Array = ["item0", "item1", "item2", "etc"];

And I have a few functions that require a different amount of parameters:

function test1(arg1:String, arg2:String){}
function test2(arg1:String, arg2:String, arg3:String, arg4:String){}

Depending on the situation one of the functions above is called and the
items in the myArray should be sent as parameters.
Something like this should happen:

test1(myArray[0], myArray[1], etc); However, the length of myArray varies so
this won't work. When I create string like var str:String = myArray[0] + ","
+ myArray[1] + "," etc everything is picked up as one parameter. Same goes
for sending the myArray as parameter.

It would require something like a for loop between de brackets...


Is it possible?

Regards,

Tom
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Re: [Flashcoders] Intro to OOP using ActionScript: patterns derail!

2007-08-22 Thread Dave Mennenoh

How do you handle onLoad's famous scope? ... It is not magic or advanced. 
If a pattern was shown to a new programmer without giving it a fancy name, 
they would just accept it as the best way to do the task and would never 
give it moment's thought.


Right. Delegate - ie Proxy. I agree. I wasn't saying patterns shouldn't be 
taught, or used - I doubt you could teach a Flash class these days without 
teaching Observer, but you might not ever call it that. In fact, I wonder 
who does call it that in a class? Actually, the more I think about it, I 
think for students it might be best not to call these patterns and just 
teach them. Then, once they know how to use them, tell them what they are. 
It's a bit like teaching encapsulation I think - if you just show your 
students how to write classes, and they see how classes work for organizing 
code, they will likely just use them.




Dave -
Head Developer
http://www.blurredistinction.com
Adobe Community Expert
http://www.adobe.com/communities/experts/ 


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Re: [Flashcoders] auto kerning results in invisible fonts?

2007-08-22 Thread Cedric Muller



Had a lot of problems in CS3 since we got it with embedded fonts in  
dynamic refusing to render when the text property is changed and  
auto kerning is on.

You mean:
myText_txt.text = "first text";
then, you change its value to
myText_txt.text = "second update"; <--- this won't work ?

Has this something to do with Antialias Types ? (or let's be fool  
BitmapData ??)


Cedric

Is there a particular reason for this? I can't seem to reproduce it  
at will in a test fla, but it occurs in almost every AS2 project of  
any noticable size i've compiled with CS3.


Common for these files are MovieClip extensions
- var myInstance:MyClass = MyClass(attachMovie 
("myClassMC","myClassMCInstance",1)); myInstance.doSomething();


Is there any kind of rule for why text wouldn't render with auto  
kerning on? I can't make sense of it.


- Andreas R

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Re: [Flashcoders] what is that

2007-08-22 Thread Peter B

On 8/22/07, dr.ache <[EMAIL PROTECTED]> wrote:
> i just received an email, with the following content. is it real ?


No. It's a figment of my imagination. I like to send imaginary emails
to people I don't know, then have them forward them to user groups.
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[Flashcoders] what is that

i just received an email, with the following content. is it real ?

From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>;
Subject: Re: [Flashcoders] Intro to OOP using ActionScript
Date: 8/22/2007

has been just received by risorsei.it mailserver.

To prove that your message was sent by a human and not a computer, please
visit the URL below and type in the alphanumeric text you will see in the
image. You will be asked to do this only once for this recipient.

http://mail.risorsei.it:32000/challenge/?folder=2007082210464758665722

Your message will be automatically deleted in a few days if you do not
confirm this request.

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[Flashcoders] flv plays offline but not online

2007-08-22 Thread Tom Huynen

Hi list,

I created a flashfile that plays FLV's. I therefor created a new video in
the library. This one is nested in a movieclip and added dynamicly.
Everything works fine when I compile. I can load FLV's from my harddrive and
also from the web.

However, when I embed the swf (with swfObject) and trie to view the file via
a webbrowser the file doesn't load flv's anymore.
Somehow something goes wrong..

Does anybody experienced this before?

Kind regards,

Tom
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Re: [Flashcoders] Intro to OOP using ActionScript