On Tue, Jul 5, 2011 at 8:49 PM, Joseph Marlin <[email protected]>wrote:
> This seems like it would be a common problem for beginners, but I couldn't > find anything on the topic. > > I start off drawing a nice background: > def on_draw(): > bg.blit_tiled(map_bottom_left[0], map_bottom_left[1], 0, map_width, > map_height) > http://i.imgur.com/kMhK6.png > > I can then add in kytten, which I finally convinced to work. That is drawn > using a batch: > def on_draw(): > bg.blit_tiled(map_bottom_left[0], map_bottom_left[1], 0, map_width, > map_height) > batch.draw() > That also works nicely: http://i.imgur.com/4wUtl.png > > However, as soon as I draw a sprite, the background image gets very dark. > Strangely, the menu does not: > def on_draw(): > bg.blit_tiled(map_bottom_left[0], map_bottom_left[1], 0, map_width, > map_height) > sprite.draw() > batch.draw() > http://i.imgur.com/7jmIU.png > In the image, the background might look like it is black, but it is > actually just darkened quite a bit. I don't know why it is darkening. The > sprites show up normally colored, as does the menu, as you can see. > > Any ideas? > Thanks! > > No specific ideas, but this sort of bug in OpenGL code often means that the newly-added call (in this case sprite.draw()) is changing some OpenGL state without saving it and restoring it. I don't know a shortcut to find out *which* state except reading its code and/or guessing. - Bruce Smith -- You received this message because you are subscribed to the Google Groups "pyglet-users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/pyglet-users?hl=en.
