def __init__(self, period=1, phase=0):
# initialize base class
_updater.__init__(self);
# create the c++ mirror class
self.cpp_updater = _md.ZeroMomentumUpdater(hoomd.context.current.system_definition);
self.setupUpdater(period, phase);
# store metadata
self.period = period
self.metadata_fields = ['period']
def _attach(self):
# create the c++ mirror class
self._cpp_obj = _md.ZeroMomentumUpdater(
self._simulation.state._cpp_sys_def)
super()._attach()