def __init__(self, game, size_x, size_y):
self.game = game
self.actor_system = ActorSystem(self)
self.position_system = PositionSystem()
self.render_system = RenderSystem(self)
self.size_x = size_x
self.size_y = size_y
self._entities = set()
self._generate_level()
self.render_system.render_level()
self.render_system.update_player()
self.player.get(FOV).update_light()
