Moved this topic over from the binaries.animation group, the Men in
Mustangs thread. Question arises as to getting slight motion offsets of
multiple independantly moving objects. 

I just happened to think, I said identical rotations of the prop and that
relates to a problem with differing object motions through the course of
animation. Everthing has to be in a ratio where the slowest moving thing
has to be the basis for the rest (maybe). Get what I mean here? I've done
quite a few animations, even a watch dial one, and if you were to try it
at all I don't see it as being possible without some math to sort it out.
After all, it would be fractions of rotation needed. Like the four blades
need only a 1/4 rotation to look like a full rotation. The faster prop
would need to go half turn and a faster yet one 3/4 turn. Problem here is
that would seem way different between them and what you'd want if anything
at all would be a 1/16 or less, the blades would not align properly (pun,
or not?) without making a further rotation of the slowest to match up.
Think about it, can it really be done?
I realize this depends upon number of frames a lot too, but has anyone a
method for doing most any such situation. I'm sure it's been discussed
before, I'll just reopen the discussion here.


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