If I invoke cocos.sprite.Sprite's __init__ and add the sprite to another
cocosnode or assign the sprite to a reference, calling cocos.tiles.load_tmx
without issue causes the following exception: pyglet.gl.lib.GLException:
b'invalid operation'. This seems like a bit of a hurdle to get over, so I'd
like to know if I'm doing something wrong that's causing this or there's
any way to be able to use cocos.tiles.load_tmx while there are instances of
cocos.sprite.Sprite floating around.
When I run the following code, I receive no exception.
import cocos
cocos.director.director.init()
cocos.sprite.Sprite("Untitled.png")
cocos.tiles.load_tmx("untitled.tmx")
However, when I change the code to assign the instance of
cocos.sprite.Sprite to a reference as follows:
import cocos
cocos.director.director.init()
sprite = cocos.sprite.Sprite("Untitled.png")
cocos.tiles.load_tmx("untitled.tmx")
I receive the following exception:
C:\Test>python helloworld.py
> Traceback (most recent call last):
> File "helloworld.py", line 5, in <module>
> cocos.tiles.load_tmx("untitled.tmx")
> File "C:\Program Files
> (x86)\Python\Python35-32\lib\site-packages\cocos\tiles.py", line 327, in
> load_tmx
> column_padding=spacing)
> File "C:\Program Files
> (x86)\Python\Python35-32\lib\site-packages\cocos\tiles.py", line 634, in
> from_atlas
> gl.glBindTexture(tile_image.texture.target, id)
> File "C:\Program Files
> (x86)\Python\Python35-32\lib\site-packages\pyglet\gl\lib.py", line 104, in
> errcheck
> raise GLException(msg)
> pyglet.gl.lib.GLException: b'invalid operation'
As I stated, if anyone can explain why this is happening and possibly how
to work around this issue, I'd be grateful. Thank you for taking the time
to read my post, and sorry if this doesn't belong here.
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