def resize(width, height):
    glViewport(0, 0, width, height) 
    glMatrixMode(GL_PROJECTION) 
    glLoadIdentity()
    gluPerspective(60, float(width)/height, 1, 10000)
    glMatrixMode(GL_MODELVIEW)
    glLoadIdentity()
dataset/ETHPy150Open PythonProgramming/Beginning-Game-Development-with-Python-and-Pygame/Chapter 9/9-4.py/resize/original