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Orbit Text Around Null With All 3 Axes Locked

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Sal JosephOrbit Text Around Null With All 3 Axes Locked
by on Aug 26, 2010 at 3:04:59 pm

I'm trying to accomplish the orbit effect of the nav menu on http://aescripts.com/

I have a 3D text layer parented to a 3D null object. I'm using the following expression to lock the x-axis of the text as it orbits around the null.

thisComp.layer("Null 1").transform.yRotation*-1;

That works fine. However, using this expression for all 3 axes doesn't work. I'd like the text's XY and Z rotation to remain 0 as it orbits around the null, as the null's XYZ values change simultaneously.


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Dave LaRondeRe: Orbit Text Around Null With All 3 Axes Locked
by on Aug 26, 2010 at 4:55:17 pm

You need to auto-orient the layer to the camera. Check this out:
http://help.adobe.com/en_US/aftereffects/cs/using/WS3878526689cb91655866c11...

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Sal JosephRe: Orbit Text Around Null With All 3 Axes Locked
by on Aug 26, 2010 at 6:09:05 pm

Perfect! And no expressions necessary. Thank you!


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