public static Vector Multiply(Matrix m, Vector v)
{
Vector r = new Vector{
X = (m.m_m[0, 0] * v.X) + (m.m_m[0, 1] * v.Y) + (m.m_m[0, 2] * v.Z),
Y = (m.m_m[1, 0] * v.X) + (m.m_m[1, 1] * v.Y) + (m.m_m[1, 2] * v.Z),
Z = (m.m_m[2, 0] * v.X) + (m.m_m[2, 1] * v.Y) + (m.m_m[2, 2] * v.Z),
};
return r;
}
public void VecToRow(int row_index, Vector v)
{
m_m[row_index, 0] = v.X;
m_m[row_index, 1] = v.Y;
m_m[row_index, 2] = v.Z;
}