during pyweek i had some issues with pyglet.
first, using framebuffer objs and vertex lists caused a memory error somewhere.
then, my machine gives segmentation fault 1 every 3 times while
starting our game. it just happens on my machine. i think sound has
something to do (ubuntu64bits)

then, using pyglet.graphics draw gave me some issues of flicker and
strange problems (sometimes it looked like a vertex was missing).

i had the following code:

pyglet.graphics.draw(4, GL_QUADS,
            ("v2f", np),
            ("t2f", [a,b,c,d,e,f,g,h[),
            ("c4B", [255,255,255,self.alpha]*4),
            )

and had this visual issues. so i replaced it by:

        glColor4ub(255,255,255,self.alpha)
        glBegin(GL_QUADS)
        glTexCoord2f(a,b)
        glVertex2f(*np[0])
        glTexCoord2f(c,d)
        glVertex2f(*np[1])
        glTexCoord2f(e,f)
        glVertex2f(*np[2])
        glTexCoord2f(g,h)
        glVertex2f(*np[3])
        glEnd()
        glColor4ub(255,255,255,255)

and things worked perfectly.

regards,

lucio.

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