Hi,
When running the following code from within Gutsy, the results are
unpredictable: one time I see a gradient-filled triangle, other times
what seems to me is just random gfx memory is being displayed.
# Example 2-10 : Using glArrayElement() to Define Colors and Vertices
from pyglet.gl import *
from pyglet import window
win = window.Window()
def display():
intertwined = [
1.0, 0.2, 1.0, 100.0, 100.0, 0.0,
1.0, 0.2, 0.2, 0.0, 200.0, 0.0,
1.0, 1.0, 0.2, 100.0, 300.0, 0.0,
0.2, 1.0, 0.2, 200.0, 300.0, 0.0,
0.2, 1.0, 1.0, 300.0, 200.0, 0.0,
0.2, 0.2, 1.0, 200.0, 100.0, 0.0]
glEnableClientState (GL_COLOR_ARRAY)
glEnableClientState (GL_VERTEX_ARRAY)
glColorPointer (3, GL_FLOAT, 6 * sizeof(GLfloat), (GLfloat *
len(intertwined))(*intertwined))
glVertexPointer (3, GL_FLOAT, 6 * sizeof(GLfloat), (GLfloat *
len(intertwined[3:]))(*intertwined[3:]))
glBegin(GL_TRIANGLES)
glArrayElement (2)
glArrayElement (3)
glArrayElement (5)
glEnd()
def init():
glClearColor (0.0, 0.0, 0.0, 0.0)
glShadeModel (GL_FLAT)
while not win.has_exit:
win.dispatch_events()
win.clear()
display()
win.flip()
This code works as it should on XP (a gradient-filled triangle is
displayed). What could be wrong with my Kubunu setup? (I'm using an
ATI Technologies Inc R350 AH [Radeon 9800] graphics card, with the ati
(radeon) drivers).
Many thanks in advance!
Mathieu
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