props.setSize(width, height)
if base and base.win:
base.win.requestProperties(props)
# Start ShowBase, but don't open a Panda window yet
base = ShowBase(windowType='none')
# Start Tkinter integration, get the root window handle
base.startTk()
frame = base.tkRoot
frame.bind('<Configure>', on_resize)
frame.update()
id = frame.winfo_id()
width = frame.winfo_width()
height = frame.winfo_height()
props = WindowProperties()
props.setParentWindow(id)
props.setOrigin(0, 0)
props.setSize(width, height)
base.makeDefaultPipe()
base.openDefaultWindow(props=props)
scene = base.loader.loadModel("environment")
scene.reparentTo(base.render)
base.run()
