G2S_SetBG2Affine

C Specification

#include <nitro/gx/g2.h>

void G2S_SetBG2Affine(
const MtxFx22 * mtx,
int centerX,
int centerY,
int x1,
int y1
);

Arguments

mtx Pointer to the conversion matrix
centerX   x-component of the coordinates of the center of rotation
centerY   y-component of the coordinates of the center of rotation
x1   x-component of the coordinates before rotation
y1   y-component of the coordinates before rotation

Return Values

None.

Description

This function sets the sub 2D Engine's BG2 affine transformation. The point (x2, y2) after affine transformation is obtained with the following formula:

See Also

G2S_SetBG3Affine

Revision History

02/09/2004 Initial version