On Tuesday 26 February 2002 10:14 pm, you wrote:
> Jim Wilson writes:
>  > One thing I did notice is that there seems to be significantly
>  > greater CPU overhead when running these models as opposed to some
>  > of the msfs models I've tried.  When taking off in chase view
>  > there's a great deal of interuption in the sound.
>
> I notice more interruptions at first, but then the framerate settles
> down to about the same -- you're right that it seems to be unrelated
> to the animation (which adds almost no extra overhead -- the model has
> to be redrawn every frame anyway).
>
>  > Also and this might be a clue, the frame rates run almost double
>  > what the same exact view provides with the MDL models I'm using.
>
> Yes, I designed the models (especially the C172) for low poly-counts
> and texture use.
>
>  > So it seems like Dave's models are easier on the card but harder on
>  > the CPU.
>
> That's strange.  One possible problem is the propeller animations --
> they use a while loop to get down to 360 degrees, and if the prop has
> done many rotations, it could take a while.  I'll have to do some
> testing.  How fast is your CPU?
>
>  > Note that I tried this without any animation enabled and the result was
>  > the same.  Higher frame rate but more breaks in the sound (in fact more
>  > silence than sound).
>
> Strange -- the extra code should be skipped when there are no animated
> parts.
>
>  > Also noticed the rudder control seems to be broken on the dc3 at the
>  > moment.
>
> On the 3D model or the YASim aero model?  The DC-3 model hasn't
> implemented the control-surface animations yet.
>
>
> All the best,
>
>
> David

I noticed that sometimes the dc3 will get into a rotation on the ground
sometimes, especially after a reset. Maybe this is what he is seeing.
TTYL
J


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