On Sun, Feb 16, 2014 at 2:34 PM, Robinson Risquez <[email protected]>wrote:
> *Hi, I'm trying to access to a variable called "score" created in a layer
> from a cocos.sprite.Sprite object. I tried this: "director.scene.score",
> but does not work, any help? Leave a basic code for a better understanding
> of the situation:*
>
> class Player(cocos.sprite.Sprite):
> def __init__(self):
> cocos.sprite.Sprite.__init__(self, "player.png", 100, 100)
> *#How i access to score var here??*
>
>
If you want to access in __init__ the only way would be to pass a reference
to gameplay layer, but that looks clunky.
Probably I would prefer to make a property of Player like
class Player(cocos.sprite.Sprite):
...
def on_enter(self):
self._gameplay_layer = self.get_ancestor(Gameplay)
def _set_score(self, value):
self._gameplay_layer.score = value
def _get_score(self):
return self._gameplay_layer
score = property(self._get_score, self._set_score)
Then in other methods of Player you can do
self.score += 10
And outside of Player
player.score += 10
or
gameplay.score +=10
Notice you must be sure player has entered the scene before referencing
player.score, or self._gameplay_layer would be undefined.
> class Gameplay(cocos.layer.Layer):
> def __init__(self):
> cocos.layer.Layer.__init__(self)
> self.player = Player()
> self.player.position = (director.window.width/2, 50)
> self.add(self.player)
> *self.score = 0*
> self.schedule(self.update)
>
> def main():
> director.init(width=640, height=480)
> director.window.set_mouse_visible(False)
> gameplay_layer = Gameplay()
> main_scene = cocos.scene.Scene(gameplay_layer)
> director.run(main_scene)
>
> if __name__ == '__main__':
> main()
>
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