MTX_Frustum

Syntax

#include <nitro/fx/fx_mtx44.h>
void MTX_Frustum( fx32 t, fx32 b, fx32 l, fx32 r, fx32 n, fx32 f, MtxFx44* mtx );

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 viewpoint to the near clipping plane
f Distance from viewpoint to the far clipping plane
mtx Pointer to a 4x4 matrix.

Return Values

None.

Description

*This function sets a perspective projection matrix to *mtx.
The diagram shows the matrix that is set.

The divider is used internally. Refer to Divider Usage Notes when using this function inside an interrupt.

See Also

G3_Frustum, MTX_Perspective, MTX_Ortho

Revision History

2004/04/27 Initial version.


CONFIDENTIAL