i use this little template.
draw()
set 3d()
draw 3d
set 2d()
push projection matrix
setup ortho projection
push modelview matrix
draw 2d
unset 2d()
pop modelview matrix
pop projection matrix
def on_draw(self):
self.set3d()
# draw 3D
self.set2d()
# draw 2D
self.unSet2d()
def set3d(self):
# your usual 3D setup/update
def set2d(self):
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho( float(self.oL), float(self.oR), float(self.oB),
float(self.oT), -1.0, 1.0 )
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
glLoadIdentity()
def unSet2d(self):
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
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