forked from bartvdbraak/blender
Math Lib: add mul_v3_project_m4_v3
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@ -109,6 +109,7 @@ void mul_mat3_m4_v3(float M[4][4], float r[3]);
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void mul_m4_v4(float M[4][4], float r[4]);
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void mul_v4_m4v4(float r[4], float M[4][4], const float v[4]);
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void mul_project_m4_v3(float M[4][4], float vec[3]);
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void mul_v3_project_m4_v3(float r[3], float mat[4][4], const float vec[3]);
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void mul_v2_project_m4_v3(float r[2], float M[4][4], const float vec[3]);
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void mul_m3_v2(float m[3][3], float r[2]);
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@ -514,6 +514,16 @@ void mul_project_m4_v3(float mat[4][4], float vec[3])
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vec[2] /= w;
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}
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void mul_v3_project_m4_v3(float r[3], float mat[4][4], const float vec[3])
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{
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const float w = mul_project_m4_v3_zfac(mat, vec);
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mul_v3_m4v3(r, mat, vec);
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r[0] /= w;
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r[1] /= w;
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r[2] /= w;
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}
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void mul_v2_project_m4_v3(float r[2], float mat[4][4], const float vec[3])
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{
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const float w = mul_project_m4_v3_zfac(mat, vec);
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