[PyOpenGL-Users] help!!

[Eric G. <eri...@ep...>]

PyOpenGL users,

Does someone can tell me why the following code does not work?
I only get black screen?
Thanks in advance!!

         Eric.


*from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from math import *


def display():

   global obj1
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
  
   materialColor = [0.1745, 0.0, 0.1, 0.0] #the light scattered off the 
environment
   diffuseColor  = [0.1, 0.0, 0.6, 0.0] #the light rays coming directly 
from source
   specularColor = [0.7, 0.6, 0.8, 0.0] #the light reflected off a shiny 
surface
   shininess = 80
  
   glMaterialfv(GL_FRONT, GL_AMBIENT, materialColor)
   glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseColor)
   glMaterialfv(GL_FRONT, GL_SPECULAR,specularColor)
   glMaterialf(GL_FRONT, GL_SHININESS, shininess)
  
   glPushMatrix()
   glTranslated(0.0,0.0,0.0)
   gluSphere(obj1, 3.0, 50, 50)
   glPopMatrix()  
  
   glFlush()  
   #glutSwapBuffers()
       
  
def init():
   glClearColor(0, 0, 0, 0)
   glMatrixMode(GL_PROJECTION)
   glLoadIdentity()
   glLightfv(GL_LIGHT0, GL_AMBIENT,
   [0.0, 0.0, 0.0, 1.0])
   glLightfv(GL_LIGHT0, GL_DIFFUSE,
   [1.0, 1.0, 1.0, 1.0])
   glLightfv(GL_LIGHT0, GL_POSITION,
   [0.0, 3.0, 3.0, 0.0])
   glLightModelfv(GL_LIGHT_MODEL_AMBIENT,
   [0.2, 0.2, 0.2, 1.0])
   glEnable(GL_LIGHTING)
   glEnable(GL_LIGHT0)  
  
if __name__ == "__main__":
     
 global obj1
 
 obj1 = gluNewQuadric()
 
 glutInit([])
 glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB)
 glutInitWindowSize(250, 250)
 glutCreateWindow('Hello GLUT')
 #glutSetDisplayFuncCall(display)
 glutDisplayFunc(display)
 #gluQuadricDrawStyle(obj1, GLU_FILL)
 init()
 glutMainLoop()*


-- 
/ "Love, Gift from Life, is given naturally."
/
Eric Germaneau <http://lcr.epfl.ch/page37437.html>
Ecole polytechnique fédérale de Lausanne (EPFL)
FSB - IPMC
Laboratoire de Cristallographie(LCr) <http://lcr.epfl.ch>
BSP 518
CH-1015 Lausanne
Switzerland
eri...@ep... <mailto:eri...@ep...>
/Tel./: +41 (0)21 / 693 06 36
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