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milleja46spyral's Issues
Documentation has Scene.on_enter and Scene.on_exit reversed.
on_enter()
Called by the director when this scene is exiting.
on_exit()
Called by the director when this scene is about to run.
Condition always True in scene.Director.run()
In scene.Director.run()
there is a line if self._stack > 0:
, but self._stack
is a list and a list is always greater than an integer (due to a rather unfortunate feature of Python that compares type names alphabetically). It should be just if self._stack:
. There are also some checks like if len(self._stack) > 0:
-- these are better written as if self._stack:
too, or even replaced with a try: except:
block.
Mutable default values in Camera.__init__
The spyral.camera.Camera.__init__()
and a couple of other methods there use an ['all']
list as a default value for layers
. That value is initialized at the moment of the method's definition, and then the same instance of the list is used by all instances of the camera. That means that if I add or remove something to the Camera.layers
, all cameras will be affected.
RuntimeError: Background initialization must be done in a scene's on_enter, not __init__
When running the skel.py from the examples directory, I get the following error:
Traceback (most recent call last):
File "skel.py", line 50, in <module>
spyral.director.push(Game()) # push means that this Game() instance is
File "skel.py", line 27, in __init__
self.camera.set_background(bg)
File "/.../spyral/camera.py", line 116, in set_background
raise RuntimeError("Background initialization must be done in a scene's on_enter, not __init__")
RuntimeError: Background initialization must be done in a scene's on_enter, not __init__
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