#include <nitro/fx/fx_mtx44.h>
void MTX_OrthoW(
fx32 t,
fx32 b,
fx32 l,
fx32 r,
fx32 n,
fx32 f,
fx32 scaleW,
MtxFx44* mtx );
This sets a orthogonal projection matrix to matrix *mtx. It uses the Divider.
Note: When setting the matrix for an orthogonal projection, it will be necessary to select Z-buffering with the G3*_SwapBuffers. The operation is not guaranteed if W-buffering is used, since the depth value is constant.
xscaleW
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 |
The distance from the eyepoint to the near clipping plane |
f |
The distance from the eyepoint to the far clipping plane |
scaleW |
Fine adjustment parameter for the view volume |
mtx |
Pointer to a 4x4 matrix |
None.
G3_OrthoW, MTX_Ortho, G3_Ortho
06/21/2004 Initial Version