def _has_collision_with_bbs(existing_bbs, new_bb):
    """
    Checks if the new rectangle (new_bb) collides with some existing rectangles.
    """
    a_left = min([x[0] for x in new_bb])
    a_right = max([x[0] for x in new_bb])
    a_bottom = min([x[1] for x in new_bb])
    a_top = max([x[1] for x in new_bb])
    for bb in existing_bbs:
        b_left = min([x[0] for x in bb])
        b_right = max([x[0] for x in bb])
        b_bottom = min([x[1] for x in bb])
        b_top = max([x[1] for x in bb])
        if a_left <= b_right and b_left <= a_right and a_top >= b_bottom and b_top >= a_bottom:
            return True
    return False