code: def render_obs(self, obs):
      
      start_time = time.time()
      self._obs = obs
      self.check_valid_queued_action()
      self._update_camera(point.Point.build(
          self._obs.observation.raw_data.player.camera))
  
      for surf in self._surfaces:
        # Render that surface.
        surf.draw(surf)
  
      mouse_pos = self.get_mouse_pos()
      if mouse_pos:
        # Draw a small mouse cursor
        self.all_surfs(_Surface.draw_circle, colors.green, mouse_pos.world_pos,
                       0.1)
  
      self.draw_actions()
  
      with sw("flip"):
        pygame.display.flip()
  
      self._render_times.append(time.time() - start_time)
docs: Render a frame given an observation.