Okay, so you want your back clip distance to be some
150,000,000,000 .. well, some big number anyways
I am just guessing here, but what is the viewing angle that you are looking
through here?
Because, with a back clip distance of that size, you are not going to see the
whole universe through a little viewport
Why not set your back distance to something like 50,000 meters?
Or, better yet, why not scale everything down?
if you all ready know your max distance, why not scale everything down to
between 0 and 1?
how many objects are you trying to render between the earth and the sun? Maybe
it isn't clipping that is slowing you down, but numbers of objects?
Also, you could easily put in switchs, because you know your field of view, plus
your size of objects, and their distance away, so you can calculate how big the
object would be on the screen, and if it comes in really really small, don't
draw it, switch it off.
Are these not options as well?
Scott
Scott Decker
Research Scientist
Pacific Northwest National Labs
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