why do people give him gold every single time ? <| sep |> Ah , I see thx <| sep |> That ' s news to me . I wonder why Disney made the decision to not include either sister in the official Princess brand . <| sep |> Well that works for that specific case . But usually , you don ' t only work with specific cases such as that one , but most likely , players can move in all kind of directions , and also , you ' re likely not checking against specific instances of objects , but against all instances of a certain object with functions like placemeeting . You don ' t necessarily know which instances of objects players are likely to collide with , which is why you need to make collision detection generic with functions such als placemeeting and collisionline etc .