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Rubbery Effect when animating with nulls

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Ivelina Ivanova
Rubbery Effect when animating with nulls
on Mar 23, 2016 at 9:03:50 pm

So I am attempting to animate a dog character in After Effects. I have attached nulls and I believe I have parented everything properly. Let's take the legs for example. The bottom pin is parented to the middle pin which is parented to the top (hip) pin. So I rotate the hip pin to control the leg. The control works well, the only problem is the stretch. I have parented the heel to the toe and the toe is not parented to anything so that my feet don't float. I have used the starch tool to stiffen the movements, but still, the object distorts when I try to animate it and I get a rubbery quality. Here is an illustration of what I mean:

So my question is, how do I avoid this?
P.S. Ignore the weird second back leg, I don't know what I did with it, this happened while I was trying to fix the problem by playing with the extent properties, if I'm not mistaken.

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Dave LaRonde
Re: Rubbery Effect when animating with nulls
on Mar 23, 2016 at 10:20:17 pm

It's extremely difficult to do what you want using a photograph with the Puppet Tool. Distortion is inevitable. You can't make it photorealistic.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA

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Michael Szalapski
Re: Rubbery Effect when animating with nulls
on Mar 24, 2016 at 1:46:57 pm

You would have to put several puppet pins pretty close to each other and have them all kind of tied together to kind of get that a bit less bendy looking.

You might look into something like DUIK and/or splitting parts of the legs off into their own layers vs. the puppet tool.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

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