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Tough Problem - Special Object Rotation

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Philipp Herzberg
Tough Problem - Special Object Rotation
on Jul 19, 2015 at 7:30:14 pm

Hey guys,

So, I'm trying to get a cylinder to "precess" - that's the motion that a spin top or gyroscope does as it drops in speed. It looks something like this:






The top of the object draws increasingly larger circles, like a dome-shaped spiral. The bottom part of the cylinder stays fixed in the same position.
I had the idea of drawing a spline in the shape of a done-shaped spiral and let the top part of the cylinder follow it, but that fails on so many different levels.

Now I'm desperate for a stroke of insight!
Any help would be great!
Thanks!


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Brian Jones
Re: Tough Problem - Special Object Rotation
on Jul 19, 2015 at 9:13:44 pm

helix works pretty well for a while - are you looking for the landing as well?

9056_precessiontrial.c4d.zip


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Adam Trachtenberg
Re: Tough Problem - Special Object Rotation
on Jul 20, 2015 at 9:49:19 pm

You may be able to do this with Cinema's dynamics. I had a rudimentary setup that was actually working pretty well last night when (I think) my motherboard bit the dust. So I think you owe me $300. ;-)


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