papermario/src/guOrtho.c
2020-09-25 17:18:09 -04:00

32 lines
831 B
C

#include "common.h"
INCLUDE_ASM(s32, "guOrtho", guOrthoF);
/*void guOrthoF(f32 mf[4][4], f32 left, f32 right, f32 bottom, f32 top, f32 near, f32 far, f32 scale) {
s32 i, j;
guMtxIdentF(mf);
mf[0][0] = 2 / (right - left);
mf[1][1] = 2 / (top - bottom);
mf[2][2] = -2 / (far - near);
mf[3][0] = -(right + left) / (right - left);
mf[3][1] = -(top + bottom) / (top - bottom);
mf[3][2] = -(far + near) / (far - near);
mf[3][3] = 1;
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
mf[i][j] *= scale;
}
}
}*/
INCLUDE_ASM(s32, "guOrtho", guOrtho);
/*void guOrtho(Mtx* mtx, f32 left, f32 right, f32 bottom, f32 top, f32 near, f32 far, f32 scale) {
float mf[4][4];
guOrthoF(mf, left, right, bottom, top, near, far, scale);
guMtxF2L(mf, mtx);
}*/