Using the Fuse kit for animation versus using the Tween Classes

Most of what I will write about is interesting stuff I found while searching for something. When searching for the tween classes in Flash CS3 I stumble two times on people speaking about the fuse kit for animation. I have as a motto to check out things that I hear about twice, so that the next time it comes up, I know what people are talking about. In this case this could even be helpful for my job, so I go and check it out.

The fuse kit are some ActionScript2 classes that simplify that syntax of doing animation using ActionScript. It has 3 parts; one is the Zigo Engine which handles the tweening. It can be used as a standalone. The second part is Fuse itself, which are sequencing classes that helps you organize your tween in time. The last part is FMP which permits you to use filters with Fuse.

This all looks pretty good, with it you can do tweens in sequence as well as in parallel. I say to myself, that is fantastic, I will be able to get rid of the setTimeout in my code and my ActionScript will be simpler to understand.

There is only one catch; The Zigo engine in itself adds to your SWF 34k, Fuse: 2k and FMP: 1k for a grand total of 37k. So it rules out the possibility to use it in banners and such. When I make a flash movie, I want it to be as small as possible so the idea of starting my SWFs at 37k doesn’t make me happy. Also you can’t use the Fuse kit to do roll overs; I do all my rollovers in actionscript so I would have to import the tween classes from Adobe too to add another 2k. For me it just doesn’t cut it; if my website as more than one SWF it’s 39k I have to add each time.

So in the end, the Fuse kit looked pretty good, but its advantages don’t match up with its disadvantages…

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