[Pierre Dubois]

Hello!
I’m trying to make a pac-man head with sticky tooth with 2 CC spheres (head and jaw). But I can’t find a way to open its jaw properly when I turn the head (thanks rotation order).

I tried your file with the pinned null. I think to put an expression on rotation Z too but I don’t understand all of yours…
(Btw, on your file I think you invert X and Y on NCAM)

[Pierre Dubois]

Not really.
First CC is driven by a connector from Duik, it works like joysticks and sliders.
Second CC is linked on the first for X and Y rotation. So it has the same movement. For opening jaw, I add the value of a null rotation in Y.

It works if the head is in front view. But if I turn the head, jaw doesn’t work. I think it comes from the rotation order of the CC sphere. I think I must use the Z rotation to compensate but I don’t know how.