[Tweener] Tweener 1.33.74

[Zeh Fernando]

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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