[Tweener] Tweener 1.33.74

[Cedric Muller]

Hi Zeh,

Thanks for this explanation, all the time taken to answer questions,  
thanks for building *a thing* like Tweener ;) My best fluent tweening  
engine !

I hope your next job will be marvelous, it looks very promising !!

Take care,
Cedric

> Ok, was meant to be posting this on monday, but couldn't do, but  
> finally:
>
> http://zehfernando.com/2009/tweener-4-years-later-a-post-mortem/
>
> Zeh
>
> On Tue, Jun 9, 2009 at 11:27 PM, Zeh Fernando <zeh at zehfernando.com>  
> wrote:
> List, Makc, et al,
>
> After talking to a few other friends who also provided some  
> constructive feedback, I realized the change added by Tweener  
> 1.32.74 - making tweening overwrite optional, and off by default  
> (as opposed to enforced to true as it was before) - was a mistake.  
> While my decision to do so was based on what I believe is a better  
> overall design, I failed to see the problems it'd cause for people  
> who wanted to update not knowing whether (or where) their code  
> would brake. While I sort of thought to myself "hey, they can just  
> ignore the update", I guess enforcing people to use a certain  
> version for legacy code isn't the best solution and it could cause  
> a bit of pain had it became the official last version.
>
> So, sorry.
>
> In the hops of making up for it, I've just updated the SVN and the  
> documentation with Tweener version 1.33.74. This version makes two  
> important changes: first, it adds a new static property called  
> "autoOverwrite" which dictates the default value of the "overwrite"  
> parameter. Second, the default value of "autoOverwrite" is true,  
> that is, by default, it just goes back to how versions of Tweener  
> worked before the overwrite parameter was added.
>
> This means that updating from any "stable" version to 1.33.74, a  
> project should continue to work as usual, with overwrites by default.
>
> The difference is now you can define how it'll work with the  
> optional autoOverwrite property, or still with the overwrite  
> parameter.
>
> To sum it up in code:
>
> // Tween is overwritten
> Tweener.addTween(myBox, {x:400, time:4, transition:"linear"});
> Tweener.addTween(myBox, {x:100, time:2, transition:"linear"});
>
> // Tween is not overwritten
> Tweener.autoOverwrite = false;
> Tweener.addTween(myBox, {x:400, time:4, transition:"linear"});
> Tweener.addTween(myBox, {x:100, time:2, transition:"linear"});
>
> // Tween is not overwritten
> Tweener.addTween(myBox, {x:400, time:4, transition:"linear"});
> Tweener.addTween(myBox, {x:100, time:2, transition:"linear",  
> overwrite:false});
>
> // Tween is overwritten
> Tweener.autoOverwrite = false;
> Tweener.addTween(myBox, {x:400, time:4, transition:"linear"});
> Tweener.addTween(myBox, {x:100, time:2, transition:"linear",  
> overwrite:true});
>
> The advantage of not using overwritten tweens is that it's much  
> faster because it won't check whether there's something to write or  
> not. So if you're creating hundreds of tweens in a loop, using  
> "overwrite:false" will make it faster.
>
> AS2 FL7, AS2, AS3, and AS3 versions are tested and updated on the  
> SVN server. I actually wanted to upload those last sunday, but I  
> had a severe system crash and it was only today that I was able to  
> finally reinstall eclipse, Flash, and TortoiseSVN. Let me know if  
> anyone runs into any error.
>
> Unless there's something I've inadvertedly broken that needs to be  
> fixed, this version will be 'stable' and added to the download list  
> next week when I finally post the Tweener post-mortem article I wrote.
>
>
> Zeh
>
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