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#!/usr/bin/python
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# This is statement is required by the build system to query build info
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if __name__ == '__build__':
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                                raise Exception
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import string
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__version__ = string.split('$Revision: 1.1.1.1 $')[1]
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__date__ = string.join(string.split('$Date: 2007/02/15 19:25:38 $')[1:3], ' ')
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__author__ = 'Tarn Weisner Burton <twburton@users.sourceforge.net>'
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from OpenGL.GL import *
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from OpenGL.Tk import *
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from OpenGL.GLUT import *
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import sys
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def redraw_checker(o):
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        glClearColor(1, 0, 1, 0)
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        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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        glColor3f(0, 1, 0)
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        #draw checkerboard
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        N = 4
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        glDisable(GL_LIGHTING)
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        for x in range(-N, N):
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                for y in range(-N, N):
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                        if (x + y) % 2 == 0:
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                                glColor3f(1, 1, 0)
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                        else:
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                                glColor3f(0, 0, 0)
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                        glRectf(x, y, x + 1, y + 1)
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        glEnable(GL_LIGHTING)
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        glPushMatrix()
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        glTranslatef(0., 0., 1.)
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        glutSolidSphere(1.0,20,20)
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        glPopMatrix()
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def init():
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        glMaterialfv(GL_FRONT, GL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
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        glMaterialfv(GL_FRONT, GL_DIFFUSE, [0.8, 0.8, 0.8, 1.0])
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        glMaterialfv(GL_FRONT, GL_SPECULAR, [1.0, 0.0, 1.0, 1.0])
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        glMaterialfv(GL_FRONT, GL_SHININESS, 50.0)
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        glLightfv(GL_LIGHT0, GL_AMBIENT, [0.0, 1.0, 0.0, 1.0])
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        glLightfv(GL_LIGHT0, GL_DIFFUSE, [1.0, 1.0, 1.0, 1.0])
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        glLightfv(GL_LIGHT0, GL_SPECULAR, [1.0, 1.0, 1.0, 1.0])
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        glLightfv(GL_LIGHT0, GL_POSITION, [1.0, 1.0, 1.0, 0.0]);         
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        glLightModelfv(GL_LIGHT_MODEL_AMBIENT, [0.2, 0.2, 0.2, 1.0])
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        glEnable(GL_LIGHTING)
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        glEnable(GL_LIGHT0)
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        glDepthFunc(GL_LESS)
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        glEnable(GL_DEPTH_TEST)
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def redraw_cone(o):
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        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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        glPushMatrix()
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        glTranslatef(0, -1, 0)
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        glRotatef(250, 1, 0, 0)
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        glutSolidCone(1, 2, 50, 10)
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        glPopMatrix()
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def main():
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        f = Frame()
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        f.pack(side = TOP)
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        o1 = Opengl(width = 200, height = 200, double = 1, depth = 1)
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        glutInit([])
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        o1.redraw = redraw_checker
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        quit = Button(f, text = 'Quit', command = sys.exit)
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        quit.pack(side = TOP, expand=YES, fill=BOTH)
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        o1.pack(side = TOP, expand = YES, fill = BOTH)
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        o1.set_eyepoint(20.)
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        o2 = Opengl(width = 200, height = 200, double = 1)
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        o2.redraw = redraw_cone
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        o2.autospin_allowed = 1
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        o2.pack(side = TOP, expand = YES, fill = BOTH)
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        init()
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        o1.mainloop()
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main()
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