public static void setUserControl(Bone bone, boolean bool) {
        bone.setUserControl(bool);
        for (Bone child : bone.getChildren()) {
            setUserControl(child, bool);
        }
    }
Alter the user-control flags of a bone and all its descendents.

@param bone the ancestor bone (not null, modified)
@param bool true to enable user control, false to disable
jme3-jbullet/src/main/java/com/jme3/bullet/control/ragdoll/RagdollUtils.java