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[OpenTK] Frameskip needs TargetUpdateFrequency!=0

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This commit is contained in:
Stefanos A. 2014-01-11 01:46:38 +01:00
parent 19eb72b3a9
commit c31f64f7e1
1 changed files with 15 additions and 12 deletions
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27
Source/OpenTK/GameWindow.cs
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@ -441,20 +441,23 @@ namespace OpenTK
{ {
// Raise UpdateFrame events until we catch up with our target update rate. // Raise UpdateFrame events until we catch up with our target update rate.
double update_elapsed = MathHelper.Clamp(timestamp - update_timestamp, 0.0, 1.0); double update_elapsed = MathHelper.Clamp(timestamp - update_timestamp, 0.0, 1.0);
if (RaiseUpdateFrame(update_elapsed)) if (update_elapsed > 0)
{ {
update_period = update_elapsed; if (RaiseUpdateFrame(update_elapsed))
update_timestamp = timestamp; {
timestamp = watch.Elapsed.TotalSeconds; update_period = update_elapsed;
update_time = timestamp - update_timestamp; update_timestamp = timestamp;
timestamp = watch.Elapsed.TotalSeconds;
update_time = timestamp - update_timestamp;
}
else
{
// We have executed enough UpdateFrame events to catch up.
// Break and issue a RenderFrame event.
break;
}
} }
else } while (TargetRenderFrequency > 0 && ++frameskip < max_frameskip);
{
// We have executed enough UpdateFrame events to catch up.
// Break and issue a RenderFrame event.
break;
}
} while (++frameskip < max_frameskip);
timestamp = watch.Elapsed.TotalSeconds; timestamp = watch.Elapsed.TotalSeconds;
double render_elapsed = MathHelper.Clamp(timestamp - render_timestamp, 0.0, 1.0); double render_elapsed = MathHelper.Clamp(timestamp - render_timestamp, 0.0, 1.0);