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I’m currently working on an Adobe AIR project to pump out my level editor but I’m running into an issue. I basically need to implement an interactive movie editor. My question is how would you recommend I get the timeline editing started? Functionality wise it needs to be able to set tween key frames for position, scale, and alpha. Any ideas?
I’ve also been trying to look into pulling tween data from a swf. I’m not entirely sure how applicable this would be.
I’m not sure what you mean by movie editor – movie as in a sequence of images(bitmaps) or movie as in flash MovieClip ?
If it’s the later, you could use a tweening engine like TweenLite to do the hard lifting and then it’s up to you how you organize the scrollable GUI for the timeline (plenty of examples out there, starting with Flash/After Effectts/Blender/etc.) Feedback from your designer/animator is crucial I presume.
Pulling data from Flash could also be possible. If you’d like to parse the swf you can try Claus Wahlers’ awesome as3swf library. Be sure to check some of his posts:
Another option would be to use jsfl (JavaScript scripting in the Flash IDE) and parse the tweens your designer/animator creates. It should be a matter of parsing a XML for the tween(be it old/classic or new/motion). If you go the JSFL route, you might also find the xJSFL project useful.
Also, for inspiration on game/animation tools check out Spriter