def update(self):
self.sim.update()
self._ticks[self._stage] += 1
if self._stage == 0 and self.sim.haslife:
if self._peopleticks == 0:
data = self.sim.savedata()
self._stage += 1
self._ticks += [0]
self.sim.loaddata(Data.loaddata(data))
else:
self._peopleticks -= 1
