Poseball positioning issue

I've made a rocking chair, got the script working to rock nicely. Did a class today that put poseballs on a swing.

When I position my poseball, I can sit on it...but each time I still am sitting on it in a bit of a different position.

Why does my position change? Am I doing something wrong, or can it just be limitations of SL?

If I start the chair rocking, then sit on the poseball, I rock fine....position just seems to change on me.

Thanks for any help.

Possibly the animation priority has not been set high enough to over-ride the default animations or not every joint was moved from frame1 to frame 2 of the animation - so some body parts are responding to whatever default animation was playing before you "sat".

Your ao may be interfering with the animation priorities too - if you were wearing one.

I think those are the usual reasons.