+ @defer_to_update
+ def _vehicle_changed(self, world):
+ self._roaches.remove(self._avatar)
+ self._vehicle = Vehicle.current(world)
+ self._avatar = self._vehicle.get_avatar(world)
+ self._avatar.pos = (WIDTH // 2, HEIGHT // 2)
+ self._roaches.add(self._avatar)
+ self._set_angle(self._angle)
+
+ @defer_to_update
+ def _add_roach(self, world):
+ world.roaches.append(build_roach(world))
+ self._vehicle_changed()
+
+ @defer_to_update
+ def _change_vehicle(self, world):
+ vehicle = Vehicle.random()
+ world.vehicles.current = vehicle
+ self._vehicle_changed()
+