Ayy,
I've just uploaded a set of classes I use when making flash games and included some sort of commented examples for you people who do stuff in AS3.
Some features are:
A movieclip model that gives a better control of animation, positioning, etc, by code;
Camera tracking;
Base classes for ranged weapons, projectiles and targets;
2.5D engine with paralax and dynamic depth;
Some other things I've developed aiding game development;
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https://github.com/Noclip21/AS3TemplatesFeel free to use these scripts. If you need any help, PM me.