SpiralMatrix

using System;

class SpiralMatrix
{
    static void Main()
    {
        Console.Write("x = ");
        int x = int.Parse(Console.ReadLine());
        Console.Write("y = ");
        int y = int.Parse(Console.ReadLine());

        Console.WriteLine();
        int[,] arrInt = new int[y, x];

        /* Generate matrix [x,y] */

        for (int a = 0; a < y; a++)
        {
            for (int b = 0; b < x; b++)
            {
                arrInt[a, b] = x * a + b + 1;
            }
        }
        /* Print matrix [x,y] */

        for (int a = 0; a < y; a++)
        {
            for (int b = 0; b < x; b++)
            {
                Console.Write("{0,5}", arrInt[a, b]);
            }
            Console.WriteLine();
        }

        Console.WriteLine();

        /* Print matrix in spiral form */

        byte direction = 0; /*0-right, 1-down, 2-left, 3-right*/
        int row = 0, col = 0;
        int matrixIndex = 0;

        for (int k = 0; k < y; k++)
        {
            for (int c = 0; c < x; c++)
            {

                Console.Write(arrInt[row, col] + " ");
                if (direction == 0) //right
                {
                    if (col + 1 + matrixIndex >= x)
                    {
                        direction = 1;
                        row++;
                    }
                    else
                    {
                        col++;
                    }
                }
                else if (direction == 1) //down
                {
                    if (row + 1 + matrixIndex >= y)
                    {
                        direction = 2;
                        col--;
                    }
                    else
                    {
                        row++;
                    }
                }
                else if (direction == 2) //left
                {
                    if (col - 1 - matrixIndex < 0)
                    {
                        direction = 3;
                        row--;
                    }
                    else
                    {
                        col--;
                    }
                }
                else if (direction == 3) //up
                {
                    if (matrixIndex + 1 == row)
                    {
                        matrixIndex++;
                    }
                    if (row - 1 - matrixIndex < 0)
                    {
                        direction = 0;
                        col++;
                    }
                    else
                    {
                        row--;
                    }
                }
            }
        }
        Console.WriteLine();
        Console.WriteLine();
        Console.ReadLine();
    }
}