public void HexToCubeQR()
        {
            var result = HexGridMath.HexToCube(2, 3);

            // 2,-5,3
            Assert.Equal(2, result.X);
            Assert.Equal(-5, result.Y);
            Assert.Equal(3, result.Z);
        }
        public void HexToCube()
        {
            var result = HexGridMath.HexToCube(new Hex(5, 5));

            // 5,-10,5
            Assert.Equal(5, result.X);
            Assert.Equal(-10, result.Y);
            Assert.Equal(5, result.Z);
        }