[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[pygame] OpenGL not double buffering?
When I try out the program below, I can see
the screen flicker everytime the display updates.
Double-buffering does not seem to be utilized.
Can anyone confirm if this is indeed the
case on their machines?
I'm using Pygame 1.4.9/PyOpenGL 2.0.0.44 under
Windows XP with a Voodoo3 video card.
=== START LISTING ===
import sys
import pygame
import math
import random
from pygame.locals import *
from OpenGL.GL import *
from math import *
from random import *
screenWidth=800
screenHeight=600
def draw ():
glClear (GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
glMatrixMode (GL_PROJECTION)
glLoadIdentity ()
glOrtho ( 0, screenWidth, 0, screenHeight, -1, 1 )
originX=400
originY=320
radius=250
vectorY1=originY
vectorX1=originX
glBegin(GL_TRIANGLES)
for i in xrange(0,361,18):
angle=i/57.295779577953135
vectorX=originX+radius*sin(angle)
vectorY=originY+radius*cos(angle)
glColor3f(random(),random(),random())
glVertex2d(originX,originY)
glVertex2d(vectorX1,vectorY1)
glVertex2d(vectorX,vectorY)
vectorY1=vectorY
vectorX1=vectorX
glEnd()
pygame.display.flip ()
pygame.init()
pygame.display.set_mode((screenWidth, screenHeight),
FULLSCREEN|OPENGL|DOUBLEBUF)
while 1:
event=pygame.event.wait()
if event.type == QUIT:
sys.exit ( 0 )
draw()
=== END LISTING ===
____________________________________
pygame mailing list
pygame-users@seul.org
http://pygame.seul.org