Detail texture

Dietrich Opitz (dio++at++sage.mpik-tueb.mpg.de)
Mon, 16 Jan 1995 11:34:02 +0000

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is it possible to create a viewing frustum that looks like this ?
                               
                            . |
                         \ .| / | Line of sight (Y-axis)
                          \ |. / . near clipping plane
                           \ | ./
                            \ | /
                             \|/
                              *-------------------> X-Axis
                             eye(0,0,0)

Here the near clipping plane is not parallel to the world coordinates system's
X-axis.

pfMakePerspFrust creates only frustra whos near clipping plane are parallel
to the World X-axis. After the creation the frustrum is rotated and translated
to the eye position. So it seems impossible to me to create a frustrum that is
like the one drawn above.

Any help ?

Dietrich

-- 
Dietrich Opitz

MPI fuer biologische Kybernetik
Spemannstr. 38
72076 Tuebingen
GERMANY  

Tel: ++49(07071) 601 606
FAX: ++49(07071) 601 575
e-mail: dio++at++sage.mpib-tuebingen.mpg.de

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