Build a spine. Switch Fk/Ik. Usually for bipeds.
strictFkIk : add a switch fkIk. It’s called ‘strict’ because fk / ik are not cumulative.
<aside> 💡
If you want a cumulative fk / ik, please use the PUPbuildFlexySpine monk </aside>
hips : specify the hips mobility
fkBendSwitch = 1
fkBendSwitch = 2
user bend at 1/0.5/1 (the second is illustrated here)
user bend at 1/1/1 (the second is illustrated here)
squash : allow to squash n stretch the spine
separateSquash : same, but use differents attributs for Y ans Z squash axis.