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  • Keeping the feet still during idle.

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I am really struggling to keep the feet not moving during the idle animation, when I want to mimic something like this:
https://twitter.com/kongmaruem/status/763008452650164224

or:
https://twitter.com/EsotericSoft/status/766397024887386112

Where knees bend up and down, but the feet do not move. I have tried this setup:
http://imgur.com/NTXBThP

I get something like this:
http://imgur.com/ydRhIvh

The legs don`t bend immediately, and the feet move a little lower, getting this weird snapping motion. Any suggestions on how to do this correctly?

It looks like the IK constraints are being moved too far away from the leg bones.
This will give you a snapping motion.
http://imgur.com/l494n6y

If you want to prevent the feet from rotating you can disable rotation inheritance on the foot bones or parent them to a bone "before" the leg bones and use a transform constraint instead to lock their position at the tip of the lower leg.

I hope it helps! 🙂