I have a code that that generates a visual glitch and I really can't figure out why.
This is the code: http://pastebin.com/m13726c67 These are the two pngs used in the example: http://blocnum.interfree.it/py/orangedot.png http://blocnum.interfree.it/py/lsq.png Basically I'm creating a full transparent surface, blitting two lights over that surface and blitting the surface on the screen. This is what actually happens: http://blocnum.interfree.it/py/exglitch.png On the right is how it looks like, and on the left is how it should look like. http://blocnum.interfree.it/py/glitch3.png There's obviously no need to have an intermediate transparente surface in this example, but i need that in my game to cover the dark areas with a translucent black rectangle with "light-holes" in it: http://blocnum.interfree.it/py/lights.png. Any suggestions on why this is happening or how should I avoid it? Thank you for your time and help. Cheers.
