# NNS_G3dGlbFrustum

## C Specification

      #include <nnsys/g3d/glbstate.h>

      void
      NNS_G3dGlbFrustum(
      fx32 t,
      fx32 b,
      fx32 l,
      fx32 r,
      fx32 n,
      fx32    f
      );

## Arguments

t | Y coordinate at the top of the near clipping plane
`b` | Y coordinate at the bottom of the near clipping plane
l | X coordinate at the left of the near clipping plane
r | X coordinate at the right of the near clipping plane
n | Distance from eyepoint to the `near` clip plane
f | Distance from eyepoint to the `far` clip plane

## Return Values

None.

## Description

This function sets the transparency projection matrix to the global state. This state is held inside the G3D library.

## See Also

`NNS_G3dGlbFrustumW`, ``NNS_G3dGlbPerspective``, ``NNS_G3dGlbOrtho``

## Revision History

08/02/2004 Initial version.