On 7/18/08, simpsus_science <[EMAIL PROTECTED]> wrote:
>
> Hallo,
>
> in 1.0 I had to control the main loop myself, so i could check if i am
> paused or not. Happily, this cpu thrashing is gone with 1.1. But, how
> would I implement pause now?
For my PyWeek entry, I created a game clock (another instance of
pyglet.clock.Clock), with a custom time function that returned the
game time. The game clock is then manually ticked by the global clock
only if the game is not paused. In this example a fixed timestep is
used on the game clock, which is useful for collision detection.
class Game(object):
game_time = 0
accum_time = 0
update_t = 1/60.
def __init__(self):
self.clock = pyglet.clock.Clock(time_function=lambda: self.game_time)
pyglet.clock.schedule_interval(self.update, self.update_t)
def update(self, dt):
if self.paused:
return
# Align updates to fixed timestep
self.accum_t += dt
if self.accum_t > self.update_t * 3:
self.accum_t = self.update_t
while self.accum_t >= self.update_t:
self.game_time += self.update_t
self.clock.tick()
self.accum_t -= self.update_t
Now just remember to schedule game events on the game clock, and
real-world events on the pyglet clock (usually just menu animations).
Alex.
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