(self)
return self.named.data.xmat['torso', 'zz']
Returns projection from z-axes of torso to the z-axes of worldbody.
Returns projection from z-axes of torso to the z-axes of worldbody.
Returns projection from z - axes of torso to the z - axes of worldbody .
def upright(self):
    """Returns projection from z-axes of torso to the z-axes of worldbody."""
    return self.named.data.xmat['torso', 'zz']
def upright ( self ) : return self . named . data . xmat [ 'torso' , 'zz' ]