#!/usr/bin/python

# This is statement is required by the build system to query build info
if __name__ == '__build__':
	raise Exception


import string
__version__ = string.split('$Revision: 1.1.1.1 $')[1]
__date__ = string.join(string.split('$Date: 2007/02/15 19:25:38 $')[1:3], ' ')
__author__ = '<NAME> <<EMAIL>>'

from OpenGL.GL import *
from OpenGL.GLUT import *
from OpenGL.Tk import *
import sys

def redraw(o):
	glClearColor(1, 0, 1, 0)
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
	glColor3f(0, 1, 0)
	#draw checkerboard
	N = 4
	glDisable(GL_LIGHTING)
	for x in range(-N, N):
		for y in range(-N, N):
			if (x + y) % 2 == 0:
				glColor3f(1, 1, 1)
			else:
				glColor3f(0, 0, 0)	
			glRectf(x, y, x + 1, y + 1)
	glEnable(GL_LIGHTING)

	glPushMatrix()
	glTranslatef(0., 0., 1.)
	glutSolidSphere(1.0,20,20)
	glPopMatrix()

def main():
	f = Frame()
	f.pack(side = 'top')
	o = Opengl(width = 200, height = 200, double = 1, depth = 1)
	glutInit( [] )
	o.redraw = redraw
	quit = Button(f, text = 'Quit', command = sys.exit)
	quit.pack({'side':'top', 'side':'left'})
	help = Button(f, text = 'Help', command = o.help)
	help.pack({'side':'top', 'side':'left'})
	reset = Button(f, text = 'Reset', command = o.reset)
	reset.pack({'side':'top', 'side':'left'})
	o.pack(side = 'top', expand = 1, fill = 'both')
	o.set_eyepoint(20.)
	o.mainloop()

main()
