#!/usr/bin/env python
# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
# All rights reserved.
# 
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# modification, are permitted provided that the following conditions 
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#
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
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#    notice, this list of conditions and the following disclaimer in
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#    distribution.
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#
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# ----------------------------------------------------------------------------

"""Demonstrates how to manage OpenGL calls with two independent windows.
"""

import pyglet
from pyglet.gl import *


def on_resize(width, height):
    glViewport(0, 0, width, height)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    gluPerspective(60., width / float(height), 1., 100.)
    glMatrixMode(GL_MODELVIEW)


def setup():
    glClearColor(1, 1, 1, 1)
    glColor3f(.5, .5, .5)


def on_draw():
    glClear(GL_COLOR_BUFFER_BIT)
    glLoadIdentity()
    glTranslatef(0, 0, -5)
    glRotatef(r, 0, 0, 1)
    glRectf(-1, -1, 1, 1)


r = 0


def update(dt):
    global r
    r += 1
    if r > 360:
        r = 0


pyglet.clock.schedule_interval(update, 1 / 20.)

w1 = pyglet.window.Window(200, 200, caption='First window', resizable=True)
w1.on_resize = on_resize
w1.on_draw = on_draw
w1.switch_to()
setup()

w2 = pyglet.window.Window(300, 300, caption='Second window', resizable=True)
w2.on_resize = on_resize
w2.on_draw = on_draw
w2.switch_to()
setup()

pyglet.app.run()
