pfMakePerspFrust and pfEarthSky

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Ulf Yngve (per.andersson++at++mailbox.swipnet.se)
Fri, 29 Sep 1995 14:10:43 +0100

Hi!

I have a problem when I try ty use pfMakePerspFrust and a pfEarthSky.

My problem is that I have a viewing frustum like this

  \ | <-
   \ | line
    \ | of
     \ | sight
      \ |
       ----
          ^
         Eye
When I use this together with an earth-sky of mode sky_ground the
sky polygons doesn´t update a part of the upper left corner of the
screen. The problem disappears when I use a simple frustum of the same
angle.
Is it a bug or am I doing something else wrong. Does anyone have a fix
or can i go around it in any way.

Regards
Ulf Yngwe

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