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#! /usr/bin/env python
from __future__ import print_function
from OpenGL.GLUT import *
delay = 1
count = 0
def timerCallback(value):
global count
count += 1
if count % 2000 == 0: print(count)
glutTimerFunc( delay, timerCallback, value+1 )
if __name__ == "__main__":
glutInit( sys.argv )
glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH )
glutInitWindowSize( 100, 100 )
glutCreateWindow( "testtimer" )
glutTimerFunc( delay, timerCallback, 0 )
glutMainLoop()
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