FLASH PLAYER : If you want to ensure instant release of memory space, you can explicitlyuse the delete() command. If memory is an issue for you and you are callingfunctions in a tight loop, you could try this. It may slow things downhowever - the eternal tradeoff.// create itmyTemporaryObject = new doMyThing();// call itmyTemporaryObject();// destroy itdelete myTemporaryObject;The problem lies in that this leak is ONLY on Windows 2000 and when swf isplayed in FlashPla.exe movie.Automatic collection garbage does not start if in main Flash loop when thereare some function calls which consumes CPU time.My test example had about 150 MB memory leak after two hours of work on 256MB machine.After that period of time system shows "Low virtual memory" warning andtried to increase system swap file.Nice trick, but it start to be crazy if in the main movie loop which invokessome functions, every call will be destroyed in that way. This is not theway to correct automatic garbage collection. FLASH PLAYER : Maybe better idea is to add additional garbage cleanning condition whichchecks if allocated by Flash memory exceeds 10 times the initial Flashmemory?The flashplayer is known to have a lot of serious bugs,but since macromedias shareholder value droppedand flash seems to supersede director not only inonline market but even in the offline multimedia cddomain, macromedia decided to have no free capacitiesto correct it. At the moment i wouldn't use it for professionalcustom production.Btw. if you can restrict your product to windows, you shouldtake a look at They provide aprogram, which gives you the ability to use the activeX pluginas exe-player.Part of the reason this happens is because of novice programmers trying tocreate a new Taj Mahal in Flash... without having any knowledge of what acomputer means. While at one hand, I applaud Macromedia to have madeactionscript so powerful and simple to learn, at the same time, there is theproblem, that since it is so easy to learn, a lot of novice, incompetentprogrammers are born everyday, who do not even know what garbage collectionmeans or for that matter the simple basis of programming. Not that you have tolearn C to be understand Flash, (heck I don't know C!!) but reading extensivelyabout it from various sources is essential. Partly it is because, Flash at itsheart is not a vector drawing program, but more of a vector animation tool,geared towards scripting than drawing. Yet, at it forefront it appeals thegraphic designer as a drawing program and as an extension of his tools... whichit is, BUT a lot is asked of the new age graphic designer and most of them arenot upto it. FLASH PLAYER : More that 70% of Flash sites out there, are examples of incompetence in Computersciences. Flash, does not need to have the amount of memory leaks you mention...but you can watch for couple of things in your design to ensure that it does notconsume the entire RAM available on the computer.1. Using Variables is good practice, but learn to differentiate between what isneeded globally and what is need locally... so that you do not have permanentvariables lying around in your memory store. For e.g.: a value ofloaded=_level0.getBytesLoaded() will probably be lying around till the end ofthe movie, which is ludicrous since your movie has already loaded, why do youneed to make a global variable out of it!2. Try to convert your repetitive tasks to generic functions, to save oncreation of global objects which require some memory.3. Don't have something animating continuously just because it is in Flash andso it has to move! Believe me I have heard people say that, and really what abunch of nincompoops. FLASH PLAYER : 4. Flash has automatic garbage collection, but it also has a file size reportwhen publishing a movie to swf. Read it. It contains a lot of relevantinformation, which you will never find anywhere about your file. That report canbe critical towards making a real world project successful.5. If you're going to use frame loops or enterFrame clip events.. don't go aboutattaching them to every movie that needs to have them. Make one controller whichis continuously looping and that can take care of affecting all objects whenthey come on stage, or something needs to be done to any one of them.6. Your movie frame rate has to be decided carefully. Infact, it is common tokeep playing with it throughout your project creation to see what works and doesnot work. Go with the least acceptable number in the end. I know, it soundscompromising, but it is not. The ill-effects of high frame rates on slowermachines is way more embarrassing.These and more tips keep popping up in various discussions on this newsgroup andevery sensible site dedicated to Flash design, but unfortunately, a lot ofpeople fail to read it or understand it. FLASH PLAYER : Flash is not the greatest software in the world. It has many pitfalls which wehave deal with, but hey it has many powerful features not available anywhereelse on the internet. So capitalize on the power of flash however limited it is.I agree with you.Just to know, I'm a programmer.I know some programming languages.I work with Flash since a very old version 2.I extensively work on an advanced Flash 5 industry module with ActionScriptwhich communicates with data base, obtains results of the query in XML,parses results and creates dynamically a kind of tree view of objects in theform of collapsable/expandable planetar systems. Objects interacts withserver side scripts (two way communication).In the current project I was many times limited by Flash or ActionScript.But always there is a way to obtain target results in the other way :-).Most of your advices are really a basic practice concerns in more advancedprojects.I agree with you 100% and... I use it in my project. Some additional
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