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Animation problem. Snappy & jiggle knees.

8 REPLIES 8
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Message 1 of 9
RawBeacon
1306 Views, 8 Replies

Animation problem. Snappy & jiggle knees.

Hi, 
I am beginner in animation. I have a problem with knees in the walk cycle. When the leg goes straight it snaps realy fast and it is not looking natural. Also it extends, bends and extends again really fast, for example right after passing position.
As far as I understand that is because of the IK. But I haven't find any way to fix it, yet.

Here is playblast of an animation: https://drive.google.com/file/d/0B1FN0V … sp=sharing

Maybe you know some technics to avoid that?
Would be thankful for any advice. 

8 REPLIES 8
Message 2 of 9
muzipcan
in reply to: RawBeacon

Looks like there is some step tangents in your graph editör... Did you check them?

Message 3 of 9
RawBeacon
in reply to: muzipcan

Yes, I did. All tangents are spline.
I was changing leg position and hips hight to avoid that fast IK snap, when the leg is absolutely straight.

Here: https://drive.google.com/file/d/0B1FN0VeqVXMSZDRjVUdrbzVrT28/edit?usp=sharing
After all changes & tweaking I haven't adressed the problem, yet.
Maybe there is another problem? Notice after the passing position that shake in his left leg.

I've searched on the Internet, and there is a feeling that I am only person who gets such an effect with IK 🙂
No tutorials, no talks, no info. Everyone is doing walk cycles, most are using IK, and everybody's fine.)

Message 4 of 9
muzipcan
in reply to: RawBeacon

hahaaaa :))))

 Nice look:)))

i see.. do you mind to upload your scene?

i really want to check it... quite interesting:)))

Message 5 of 9
RawBeacon
in reply to: muzipcan
Message 6 of 9
muzipcan
in reply to: RawBeacon

:)) it is because of your keys...

make all your keys stepped in graph editör and re keys...

before givin details to walk, just look in very basic "going front and going back" look them, if there is no problem go on...

and a suggestion, do not put your first key to  zero.. start from 1 ...

:)))

I really checked everything but could not find another solution:))

 

Message 7 of 9
RawBeacon
in reply to: RawBeacon

Thank you muzipcan for your help, I'll try that.)
Message 8 of 9
muzipcan
in reply to: RawBeacon

Enjoy it...

I hope it is not because of the rig...

 

Message 9 of 9
RawBeacon
in reply to: RawBeacon

I thought of it, too.
But I think pro animators should be able to handle that.
And I want to become one 😉

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