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Betty Boop2
for Matt Rhodes...
on Dec 8, 2007 at 8:22:41 pm

Hi Matt,
I know your the technical guy at Zax's palce--and you have helped me before. I building an animation that I think has an error that I tryingto fix. But I can't find out whats causing it.

I have two tracks, one is static and one rotates. The only way I found to get it rotate correctly is the way I've programed it.

Here it is.


At about 2 sec and 18 frames the rotating element FLIPS and then after a frame or two goes back and finishes correctly.

It's like it rubber bands incorrectly and fixes itself. I'd really like to use Pro Animator for this project---BUT I CAN'T if this is going to happen. Can you take a look and advise me.

-jay


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Betty Boop2
Re: for Matt Rhodes...
on Dec 8, 2007 at 11:09:03 pm

Another question Matt. Is there a way to alter the anchor point of a grouped set of objects? I can do this in After Effects---but I'm not sure about Pro Animator.
-jay


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Matt Rhodes
Re: for Matt Rhodes...
on Dec 11, 2007 at 5:27:23 pm

Hi Jay.

We currently don't allow you to modify the anchor point of groups.

I'm looking at your project now.

Matt Rhodes
Zaxwerks, Inc.


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Matt Rhodes
Re: for Matt Rhodes...
on Dec 11, 2007 at 5:49:30 pm

Hi Jay.

You're seeing the results of gimbal flip,
which happens when you animate from -180 degrees
to 170 degrees. The two angles look very similar,
but transitioning from one to another is causing the flip.

A workaround is to not have a transition, but to rather
just put a single frame Pose that sets the Z rotation to
175 degrees for each of your objects. This simulates
the transition you're looking for.

There are other ways to get your animation to work,
rather than the frame-by-frame approach you've taken.

If you could send me your original .ai file, I can quickly
mock up a scene that will rotate your objects in a
circle. You can learn from that.

Send files to: matt@zaxwerks.com

Matt Rhodes
Zaxwerks, Inc.


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