On 12/1/08, Tristam MacDonald <[EMAIL PROTECTED]> wrote:
>
> On Sun, Nov 30, 2008 at 11:56 AM, Alex Holkner <[EMAIL PROTECTED]>
> wrote:
> >
> >
> >
> >
> > On Mon, Dec 1, 2008 at 3:30 AM, Tristam MacDonald <[EMAIL PROTECTED]>
> wrote:
> > >
> > >
> > > On Sat, Nov 29, 2008 at 8:24 PM, Alex Holkner <[EMAIL PROTECTED]>
> > > wrote:
> > >>
> > >> You just need to schedule your update function on the clock (instead
> > >> of in the draw method):
> > >>
> > >> def update(dt):
> > >>    ship.update()
> > >>
> > >> period = 1 / 60.0 # 60 frames per second
> > >> pyglet.clock.schedule_interval(update, period)
> > >>
> > >> Alex.
> > >
> > >
> > > I am curious as to whether this actually guarantees that the window is
> > > redrawn once per update. In particular, what happens if multiple
> intervals
> > > are scheduled on the clock? Does the window get redrawn according to the
> > > shortest interval, or every time an interval expires?
> >
> > According to the shortest interval.  If multiple functions are
> > scheduled for precisely the same time, they will be executed without
> > redrawing in between them.
> >
> >
> >
> >
> > Alex.
> >
>
> Ok, thanks for clearing that up. My logic update runs at 60 Hz, while my fps
> updates at 4 Hz. Since 4 | 60, I take it I should be safe scheduling them
> both on the clock?

If you schedule both on the clock, by default pyglet will call
on_draw() at 60Hz or higher.  You can override this by setting
window.invalid to False at the end of your on_draw(), and to True in
your display update function.

Alex.

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