Ab23.2

import java.util.Random;
/**
 * @author Kevin George
 * @version 2/10/16
 */
public class Game
{
    int [][] board;
    int posX,posY,deltaX,deltaY;
    int spot,x,y,fail;
    public Game()
    {
        board = new int[9][9];
        posX = posY = 1;
        spot = 2;
        fail = 0;
    }

    private void createBoard()
    {

        for(y=0;y<9;y++)
            for(x=0;x<9;x++)
                board[y][x] = 0;
        /*
        for(y=1;y<9;y++)
        {
            for(x=1;x<9;x++)
                System.out.print(board[y][x] +"  ");
            System.out.println();
        }
        System.out.println();*/
    }

    public void gamePlay()
    {
        board[1][1] = 1;
        int till64 = 0;
        boolean conti = true;
        do
        {
            createBoard();
            while(spot < 64)
            {
                move();
                fail++;
                if(fail>500)
                    break;
            }
            System.out.println(spot);
            if(spot == 64)
                conti = false;
            else
                spot=2;
            //board = new int[9][9];
            posX = posY = 1;
            spot = 2;
            fail = 0;
            till64++;
        }while(conti);
        System.out.println();
        System.out.println(till64+" tries");
    }

    private void move()
    {
        boolean j = true;
        deltaX = randomNum();
        while(j)
        {
            deltaY = randomNum();
            if(Math.abs(deltaY) == Math.abs(deltaX))
                j=true;
            else
                j=false;
        }

        if((posX+deltaX)<=8&&(posY+deltaY)<=8&&(posX+deltaX)>=1&&(posY+deltaY)>=1&&board[posY+deltaY][posX+deltaX]==0)
        {
            posY+=deltaY;
            posX+=deltaX;
            board[posY][posX] = spot;
            spot++;

        }

    }

    private int randomNum()
    {
        int n=0;
        Random rand = new Random();
        while(n==0)
        {
            n = rand.nextInt(5) - 2;
        }
        return n;
    }

    public void printBoard()
    {
        for(y=1;y<9;y++)
        {
            for(x=1;x<9;x++)
                System.out.printf("%4d",board[y][x]);
            System.out.println();
        }

    }
}