static void Update()

in localized/ja/11-Other/GameOfLife/Program.cs [84:120]

• 29 lines of code
• 7 McCabe index (conditional complexity)

        static void Update()
        {
            int n;

            for (int x = 0; x < WIDTH; x++)
            {
                for (int y = 0; y < HEIGHT; y++)
                {
                    n = CountNeighbours(x, y);

                    if (n < 2)
                    {
                        // Die due to isolation
                        nextLife[x, y] = (byte) (currentLife[x, y] == 1 ? 2 : 0);
                    }
                    else if (n == 2)
                    {
                        // 2 neighbours - stable
                        nextLife[x, y] = currentLife[x, y];
                    }
                    else if (n == 3)
                    {
                        // 3 neighbours - new life (or same old life)
                        nextLife[x, y] = 1;
                    }
                    else
                    {
                        // 4 or more - die due to overcrowding
                        nextLife[x, y] = 0;
                    }
                }
            }

            // Copy new Life to the matrix
            Array.Copy(nextLife, currentLife, WIDTH*HEIGHT);
            RedrawLife();
        }