code: def run_brute(self):
          
          global collidable_objects
          if self.collision_depth == self.SHALLOW_DEPTH:
              for obj in collidable_objects:
                  collision = self.query_collision(obj)
                  if collision is not None:
                      #Execute the reactions for both of the colliding objects.
                      obj.collision_response(collision)
                      collision.collision_response(obj)
          elif self.collision_depth == self.DEEP_DEPTH:
              for obj in collidable_objects:
                  collisions = self.query_all_collisions(obj)
                  for collision in collisions:
                      #Execute the reactions for both of the colliding objects.
                      obj.collision_response(collision)
                      collision.collision_response(obj)
docs: A nightmare if looked at by a performance standpoint, but it gets the job done,
          at least for now.
  
          Checks everything against everything and handles all collision reactions.