コード例 #1
0
        // Multiplication
        public static Matrix3 operator *(Matrix3 lhs, Matrix3 rhs)
        {
            // NOTES: So because of the magic of column/row major stuff we need this transpose at the end.
            // Please just. Don't ask questions.

            Matrix3 result = new Matrix3(
                lhs.m1 * rhs.m1 + lhs.m4 * rhs.m2 + lhs.m7 * rhs.m3,
                lhs.m1 * rhs.m4 + lhs.m4 * rhs.m5 + lhs.m7 * rhs.m6,
                lhs.m1 * rhs.m7 + lhs.m4 * rhs.m8 + lhs.m7 * rhs.m9,

                lhs.m2 * rhs.m1 + lhs.m5 * rhs.m2 + lhs.m8 * rhs.m3,
                lhs.m2 * rhs.m4 + lhs.m5 * rhs.m5 + lhs.m8 * rhs.m6,
                lhs.m2 * rhs.m7 + lhs.m5 * rhs.m8 + lhs.m8 * rhs.m9,

                lhs.m3 * rhs.m1 + lhs.m6 * rhs.m2 + lhs.m9 * rhs.m3,
                lhs.m3 * rhs.m4 + lhs.m6 * rhs.m5 + lhs.m9 * rhs.m6,
                lhs.m3 * rhs.m7 + lhs.m6 * rhs.m8 + lhs.m9 * rhs.m9);

            return(result.GetTransposed());
        }