On Mon, 2009-03-30 at 11:05 -0500, Zach Goscha wrote:
> Hi,
>
> I am trying to call an unbound method (Map.Background) but getting the
> following error:
> TypeError: unbound method background() must be called with Map
> instance as first argument (got nothing instead)
>
> Here is some of the code(not completed)
>
> Thanks in Advance
> - Zach
>
>
> Code:
>
> class Knight(games.Sprite):
> """ A moving knight. """
> SWORD_DELAY = 50
> sword_wait = 0
>
>
> def update(self):
> """ moving knight based on keys pressed. """
>
> if games.keyboard.is_pressed(games.K_w):
> self.y -= 3
> self.angle = 0
> if games.keyboard.is_pressed(games.K_s):
> self.y += 3
> self.angle = 180
> if games.keyboard.is_pressed(games.K_a):
> self.x -= 3
> self.angle = 270
> if games.keyboard.is_pressed(games.K_d):
> self.x += 3
> self.angle = 90
>
> if self.top > games.screen.height:
> self.bottom = 0
>
> if self.bottom < 0:
> self.top = games.screen.height
> Map.background()
>
> if self.left > games.screen.width:
> self.right = 0
>
> if self.right < 0:
> self.left = games.screen.width
>
> class Map(games.Sprite):
>
> def background(self):
^^^^
> new_back = games.load_image("map3.jpg",
> transparent = False)
> games.screen.background = new_back
'self' implies that this is an instance method. If this is not an
instance method then don't use self.
If what you want is a static method (or class method) then use the
staticmethod (or classmethod) function or decorator.
I.e.
@staticmethod
def background():
...
>
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