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#pragma once
class Matrix
{
public:
Matrix()
{
e11 = 1.0; e12 = 0.0; e13 = 0.0; e14 = 0.0;
e21 = 0.0; e22 = 1.0; e23 = 0.0; e24 = 0.0;
e31 = 0.0; e32 = 0.0; e33 = 1.0; e34 = 0.0;
e41 = 0.0; e42 = 0.0; e43 = 0.0; e44 = 1.0;
}
union
{
float e[4][4];
struct
{
float e11, e12, e13, e14;
float e21, e22, e23, e24;
float e31, e32, e33, e34;
float e41, e42, e43, e44;
};
};
Matrix operator*(Matrix const& rhs)
{
Matrix result;
for (int row = 0; row < 4; ++row)
{
for (int col = 0; col < 4; ++col)
{
float sum = 0.0;
for (int i = 0; i < 4; ++i)
{
sum += e[row][i] * rhs.e[i][col];
}
result.e[row][col] = sum;
}
}
return result;
}
};