这是一个井字游戏发生器。仅计算机与计算机,与通常的播放器与计算机略有不同。我的大部分代码都是为此编写的,但我遇到的问题是有时当我生成游戏时,整个棋盘都填满了,会有一行 X 和一行 O,它会作为平局出现. 有时会生成两行X或两行O,并且游戏不会在第一行连续3个之后停止……有什么见解吗?谢谢你。
namespace TicTacToe
{
public partial class Form1 : Form
{
private Random rn = new Random();
const int SIZE = 9;
char[] cell = new char[SIZE];
char firstPlayer = ' ', secondPlayer = ' ';
private void button1_Click(object sender, EventArgs e)
{
//Clear the labels and starting values
for (int i = 0; i < SIZE; i++)
{
cell[i] = ' ';
}
label10.Text = "";
//Pick X or O to go first
switch (rn.Next(2))
{
case 0: firstPlayer = 'O'; secondPlayer = 'X'; break;
case 1: firstPlayer = 'X'; secondPlayer = 'O'; break;
}
//Get five non-repeating numbers from 0 to 8
int[] positions = new int[5];
positions[0] = rn.Next(9);
for (int i = 1; i < 5; i++)
{
int temp = rn.Next(9);
for (int j = 0; j < i; j++)
{
if (temp == positions[j])
{
i--;
break;
}
else
{
positions[i] = temp;
}
}
}
//Set each position found to have first players letter
for (int i = 0; i < 5; i++)
{
cell[positions[i]] = firstPlayer;
}
for (int i = 0; i < SIZE; i++)
{
if (cell[i] != firstPlayer)
{
cell[i] = secondPlayer;
}
}
//Place cell values into the labels
label1.Text = cell[0].ToString();
label2.Text = cell[1].ToString();
label3.Text = cell[2].ToString();
label4.Text = cell[3].ToString();
label5.Text = cell[4].ToString();
label6.Text = cell[5].ToString();
label7.Text = cell[6].ToString();
label8.Text = cell[7].ToString();
label9.Text = cell[8].ToString();
//Check for a winner
switch(checkWinner())
{
case 'T' : label10.Text = "It's a tie!"; break;
case 'O' : label10.Text = "O Wins!"; break;
case 'X' : label10.Text = "X Wins!"; break;
default: label10.Text = "This will never appear"; break;
}
}
private char checkWinner()
{
//return either 'T' for tie, 'O' for O wins, and 'X' for X wins
char winner = ' ';
int winning_line = 0;
//check for a row win
if(cell[0].Equals(cell[1]) && cell[0].Equals(cell[2]))
{
winning_line++;
winner = cell[0];
}
if (cell[3].Equals(cell[4]) && cell[3].Equals(cell[5]))
{
winning_line++;
winner = cell[3];
}
if (cell[6].Equals(cell[7]) && cell[6].Equals(cell[8]))
{
winning_line++;
winner = cell[6];
}
//check for column wins
if (cell[0].Equals(cell[3]) && cell[0].Equals(cell[6]))
{
winning_line++;
winner = cell[0];
}
if (cell[1].Equals(cell[4]) && cell[1].Equals(cell[7]))
{
winning_line++;
winner = cell[1];
}
if (cell[2].Equals(cell[5]) && cell[2].Equals(cell[8]))
{
winning_line++;
winner = cell[2];
}
//check for diagonal winner
if (cell[0].Equals(cell[4]) && cell[0].Equals(cell[8]))
{
winning_line++;
winner = cell[0];
}
if (cell[2].Equals(cell[4]) && cell[2].Equals(cell[8]))
{
winning_line++;
winner = cell[2];
}
if (winning_line == 0 || winning_line > 1)
winner = 'T';
return winner;
}
public int i { get; set; }
}
}