docs: def visible_area(self):
          """
          Calculated like in the official client.
          Returns (top_left, bottom_right).
          """
          # looks like zeach has a nice big screen
          half_viewport = Vec(1920, 1080) / 2 / self.scale
          top_left = self.world.center - half_viewport
          bottom_right = self.world.center + half_viewport
          return top_left, bottom_right