MTX_Perspective

Syntax

#include <nitro/fx/fx_mtx44.h>
void MTX_Perspective( fx32 fovySin, fx32 fovyCos, fx32 aspect, fx32 n, fx32 f, MtxFx44 * mtx );

Arguments

fovySin Sine value of (the field-of-view angle in y-direction)/2
fovyCos Cosine value of (the field-of-view angle in y-direction)/2
aspect Ratio of width of view field to height of view field (aspect ratio: width/height of the field of view)
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_Perspective, MTX_Frustum, MTX_Ortho

Revision History

2004/04/27 Initial version.


CONFIDENTIAL