Message-ID: <51500B75.2080705@googlemail.com>
Date: Mon, 25 Mar 2013 09:31:49 +0100
From: =?ISO-8859-1?Q?Mathias_M=F6hl?= <mamo181@googlemail.com>
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To: After Effects Mail List <AE-List@media-motion.tv>
Subject: Re: Rotation Expression Problem
References: <list-5011653@media-motion.tv>
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Are you sure you need the guy to parent to the ladder?
What about linking the guys position + scale to the ladder, but its 
rotation to the floor?

Cheers,
Mathias


Am 24.03.2013 00:00, schrieb After Effects Mail List:
> Message-ID:<514DC5A0.1030904@gmail.com>
> Date: Sat, 23 Mar 2013 16:09:20 +0100
> From: =?ISO-8859-1?Q?S=E9bastien_P=E9rier?=<yenaphe@gmail.com>
> Subject: Rotation Expression Problem
>
> Hi everyone,
>
> I'm struggling with a project right now and can't seem to find the
> appropriate orientation / rotation expression.
>
> In this project I have 3 layers, the floor, the ladder and the guy.
>
> I have to keep the guy perpendicular to the floor. But the guy layer is
> parented to the ladder, and the ladder is animated on all it's rotation
> axis (imagine a flying carpet, but looking like a ladder).
>
> I can't seem to find the correct expressions to keep the guy
> perpendicular to the floor (which can also be animated on it's
> orientation/rotation axis) in all cases. The guy parenting to the ladder
> adds a lot of complication that my non-math-friendly head can't seem to
> overcome.
>
> Any hint ?
>
> Cheers,
>
> Seb