01 January 2006, 08:21 PM
Searched through previous posts but didn't see any resolution to this problem. If I set the key type to "constant" in the keyframe controls, and am in full body mode, then set some keys, I can see in the FCurves that all the keys have constant interpolation. Unfortunately, the character doesn't behave that way when I scrub the timeline. Specifically, most joints seem to work fine, but the hips and ankles seem to react as if I had linear interpolation set.
I've included an FBX file that demonstrates the problem. Keys at frames 0, 30, 60 rotate the shoulder in constant interp mode, and that works fine. Keys at 60, 90, and 120 rotate the hips, and that is also in constant interp, but it doesnt "pop" in when it should, it slowly slides up to the keyframe, and then "pops".
I have found that I can "fix" the ankles by setting the reach(r) to 100%, but I can't figure out how to fix the hips.