code: def update_view_bounds(self):
          
          self.view_bounds.left = self.pan.X - self.world_center.X
          self.view_bounds.top = self.pan.Y - self.world_center.Y
          self.view_bounds.width = self.world_center.X * 2
          self.view_bounds.height = self.world_center.Y * 2
docs: Update the camera's view bounds.