I've got an IK chain on a leg, and its spazzing out big time between the keyframes whenever I keyframe anything. What causes it and whats the best way to fix it or at least work around it? (so far I've been going through every keyframe, but it really isn't such a good option. I still get problems).
Could be a few things really. Without more info it's hard to say what the issue is. If you apply IK to bones that are absolutely straight you can get issues with the solver flipping around as it tries to figure out what angle to bend in. Make sure your joints have a slight bend in them in the desired direction. Another…