Function HMM_DeterminantM4

HandmadeMath.h:1661–1671

COVERAGE(HMM_DeterminantM4, 1)
static inline float HMM_DeterminantM4(HMM_Mat4 Matrix) 
{
    ASSERT_COVERED(HMM_DeterminantM4);

    HMM_Vec3 C01 = HMM_Cross(Matrix.Columns[0].XYZ, Matrix.Columns[1].XYZ);
    HMM_Vec3 C23 = HMM_Cross(Matrix.Columns[2].XYZ, Matrix.Columns[3].XYZ);
    HMM_Vec3 B10 = HMM_SubV3(HMM_MulV3F(Matrix.Columns[0].XYZ, Matrix.Columns[1].W), HMM_MulV3F(Matrix.Columns[1].XYZ, Matrix.Columns[0].W));
    HMM_Vec3 B32 = HMM_SubV3(HMM_MulV3F(Matrix.Columns[2].XYZ, Matrix.Columns[3].W), HMM_MulV3F(Matrix.Columns[3].XYZ, Matrix.Columns[2].W));
    
    return HMM_DotV3(C01, B32) + HMM_DotV3(C23, B10);
}

COVERAGE(HMM_InvGeneralM4, 1)
// Returns a general-purpose inverse of an HMM_Mat4. Note that special-purpose inverses of many transformations