def on_tick(self,secs):
ms = secs * 1000
s = self.this_screen
if not s:
self.close()
s.step(ms)
if s.expired():
try:
del self.this_screen
s = screen.next()
s.resize(*self.get_size())
self.this_screen = s
except StopIteration:
self.close()
def __init__(self,**kw):
super(GameWindow,self).__init__(**kw)
pyglet.clock.schedule(self.on_tick)
self.this_screen = screen.next()