35 lines
924 B
C
35 lines
924 B
C
#include "global.h"
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#include "soh/frame_interpolation.h"
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void guOrthoF(f32 mf[4][4], f32 left, f32 right, f32 bottom, f32 top, f32 near, f32 far, f32 scale) {
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s32 i, j;
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guMtxIdentF(mf);
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mf[0][0] = 2 / (right - left);
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mf[1][1] = 2 / (top - bottom);
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mf[2][2] = -2 / (far - near);
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mf[3][0] = -(right + left) / (right - left);
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mf[3][1] = -(top + bottom) / (top - bottom);
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mf[3][2] = -(far + near) / (far - near);
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mf[3][3] = 1;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 4; j++) {
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mf[i][j] *= scale;
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}
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}
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}
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void guOrtho(Mtx* mtx, f32 left, f32 right, f32 bottom, f32 top, f32 near, f32 far, f32 scale) {
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f32 mf[4][4];
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guOrthoF(mf, left, right, bottom, top, near, far, scale);
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//guMtxF2L((MtxF*)mf, mtx);
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FrameInterpolation_RecordOpenChild("ortho", 0);
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Matrix_MtxFToMtx((MtxF*)mf, mtx);
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FrameInterpolation_RecordCloseChild();
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}
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