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https://github.com/HarbourMasters/Shipwright.git
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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
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#include "global.h"
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/**
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* guPositionF
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* Creates a rotation/parallel translation modeling matrix (floating point)
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*/
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void guPositionF(f32 mf[4][4], f32 rot, f32 pitch, f32 yaw, f32 scale, f32 x, f32 y, f32 z) {
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static f32 D_80134D00 = M_PI / 180.0;
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f32 sinr, sinp, sinh;
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f32 cosr, cosp, cosh;
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rot *= D_80134D00;
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pitch *= D_80134D00;
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yaw *= D_80134D00;
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sinr = sinf(rot);
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cosr = cosf(rot);
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sinp = sinf(pitch);
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cosp = cosf(pitch);
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sinh = sinf(yaw);
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cosh = cosf(yaw);
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mf[0][0] = (cosp * cosh) * scale;
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mf[0][1] = (cosp * sinh) * scale;
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mf[0][2] = (-sinp) * scale;
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mf[0][3] = 0.0f;
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mf[1][0] = ((sinr * sinp * cosh) - (cosr * sinh)) * scale;
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mf[1][1] = ((sinr * sinp * sinh) + (cosr * cosh)) * scale;
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mf[1][2] = (sinr * cosp) * scale;
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mf[1][3] = 0.0f;
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mf[2][0] = ((cosr * sinp * cosh) + (sinr * sinh)) * scale;
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mf[2][1] = ((cosr * sinp * sinh) - (sinr * cosh)) * scale;
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mf[2][2] = (cosr * cosp) * scale;
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mf[2][3] = 0.0f;
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mf[3][0] = x;
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mf[3][1] = y;
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mf[3][2] = z;
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mf[3][3] = 1.0f;
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}
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/**
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* guPosition
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* Creates a rotational/parallel translation modeling matrix (fixed point)
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*/
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void guPosition(Mtx* m, f32 rot, f32 pitch, f32 yaw, f32 scale, f32 x, f32 y, f32 z) {
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f32 mf[4][4];
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guPositionF(mf, rot, pitch, yaw, scale, x, y, z);
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guMtxF2L((MtxF*)mf, m);
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}
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