> Geoff Morris wrote:
>
> Hi:
>
> I've attached example code that generates and displays about 2000
> spheres (I've tried ColorCubes).
>
> Creating the scene graph, and rotating by mouse is very slow, and it's
> really unusable.
>
> It may be that my PC is incapable of better performance, but I'm
> hoping someone can see something that I'm doing wrong, or can offer a
> suggestion that may help improve the performance.
As John already said, try to reduce detail level of spheres.
Currently every sphere has 100 quads, which is similar to 200 triangles.
Over 2000 spheres give about 400.000 triangles per frame. Of course some
of them are backfacing, but regardless, all data have to be sent to
graphic card. 400k triangles is really a big number. My Geforce 1
(cheapest variant) gives about 8-10 fps for this scene - I think it is
really good for such amount of triangles. And most current graphics
cards are many times more powerful.
If only it could render similar amount of textured triangles....
Artur
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