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Orbit object around screen

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Jason Fisher-Jones
Orbit object around screen
on Nov 14, 2014 at 6:20:16 pm

I'm trying to get an object to orbit around a central point in 3D, whilst remaining oriented towards the camera. I have it animating along a path, but can't work out how to rotate that path on x and y axis to move the object through 3D space....


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Kevin Camp
Re: Orbit object around screen
on Nov 14, 2014 at 6:41:39 pm
Last Edited By Kevin Camp on Nov 14, 2014 at 6:46:07 pm

the most straight forward way to animate something like this is to parent the 3d layer to a 3d null, offsetting the 3d layer from the nulls position and then rotating the null around the relative axis to give the rotation needed.

to keep the layer facing the camera, select the layer and choose layer>transform>auto orient, and check the option for 'towards camera'

if for some reason you are not able to use this technique, expressions can also be used, but the null method usually works and is easier to manipulate.

--- edit ---

i should've mentioned that orient towards camera also needs a camera in the comp

Kevin Camp
Art Director

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Jason Fisher
Re: Orbit object around screen
on Nov 14, 2014 at 6:49:08 pm

Great, thanks for the info!

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