Java 源代码：点与盒子游戏

10 Sept 2024 | 4 分钟阅读

点格棋，又称“点子游戏”或“方块棋”，是一款经典的手笔游戏，几十年来一直深受各年龄段人群的喜爱。在本文中，我们将带您从零开始学习如何用 Java 创建一个点格棋游戏。到本节结束时，我们将拥有完整的游戏 Java 源代码。

前提条件

在深入研究代码之前，请确保您具备以下先决条件：
您的计算机上已安装 Java 开发工具包 (JDK)。
代码编辑器 (例如，Eclipse、IntelliJ IDEA 或 Visual Studio Code)。

了解规则

在点格棋游戏中，两名玩家轮流连接点网格上的点来组成方块。当一名玩家完成一个方块时，他得一分并获得下一次回合。当所有可能的线条都画完时，游戏结束，得分方块最多的玩家获胜。

DotsAndBoxes.java

import java.util.Scanner;
public class DotsAndBoxes {
    private char[][] grid;
    private char currentPlayer;
    private int playerXScore;
    private int playerOScore;
    public DotsAndBoxes() {
        grid = new char[4][4];
        currentPlayer = 'X';
        playerXScore = 0;
        playerOScore = 0;
        initializeGrid();
    }
    private void initializeGrid() {
        for (int i = 1; i <= 3; i++) {
            for (int j = 1; j <= 3; j++) {
                grid[i][j] = ' ';
            }
        }
    }
    private void displayGrid() {
        for (int i = 1; i <= 3; i++) {
            for (int j = 1; j <= 3; j++) {
                System.out.print(grid[i][j]);
                if (j < 3) {
                    System.out.print(" | ");
                }
            }
            System.out.println();
            if (i < 3) {
                System.out.println("---------");
            }
        }
    }
    private boolean isValidMove(int row, int col) {
        return row >= 1 && row <= 3 && col >= 1 && col <= 3 && grid[row][col] == ' ';
    }
    private void makeMove(int row, int col) {
        grid[row][col] = currentPlayer;
    }
    private boolean isBoxCompleted(int row, int col) {
        return (row > 1 && grid[row - 1][col] != ' ' && grid[row - 1][col] != '|' &&
                row < 3 && grid[row + 1][col] != ' ' && grid[row + 1][col] != '|' &&
                col > 1 && grid[row][col - 1] != '-' && grid[row][col - 1] != ' ' &&
                col < 3 && grid[row][col + 1] != '-' && grid[row][col + 1] != ' ');
    }
    private boolean checkForWinner() {
        for (int i = 1; i <= 3; i++) {
            if (grid[i][1] != ' ' && grid[i][1] == grid[i][2] && grid[i][2] == grid[i][3]) {
                return true; // Check rows
            }
            if (grid[1][i] != ' ' && grid[1][i] == grid[2][i] && grid[2][i] == grid[3][i]) {
                return true; // Check columns
            }
        }
        if (grid[1][1] != ' ' && grid[1][1] == grid[2][2] && grid[2][2] == grid[3][3]) {
            return true; // Check diagonal from top-left to bottom-right
        }
        if (grid[1][3] != ' ' && grid[1][3] == grid[2][2] && grid[2][2] == grid[3][1]) {
            return true; // Check diagonal from top-right to bottom-left
        }
        return false;
    }
    private void switchPlayer() {
        currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
    }
    private boolean isGameOver() {
        return checkForWinner();
    }
    private void displayWinner() {
        System.out.println("Game Over!");
        System.out.println("Player " + currentPlayer + " wins!");
    }
    public void playGame() {
        Scanner scanner = new Scanner(System.in);
        while (true) {
            displayGrid();
            System.out.println("Player " + currentPlayer + "'s turn");
            System.out.print("Enter row (1-3): ");
            int row = scanner.nextInt();
            System.out.print("Enter column (1-3): ");
            int col = scanner.nextInt();
            if (isValidMove(row, col)) {
                makeMove(row, col);
                if (isBoxCompleted(row, col)) {
                    System.out.println("Player " + currentPlayer + " completed a box!");
                }
                if (checkForWinner() || playerXScore + playerOScore == 9) {
                    break;
                }
                switchPlayer();
            } else {
                System.out.println("Invalid move. Try again.");
            }
        }
        displayGrid();
        displayWinner();
        scanner.close();
    }
    public static void main(String[] args) {
        DotsAndBoxes game = new DotsAndBoxes();
        game.playGame();
    }
}

输出

  |   |  
---------
  |   |  
---------
  |   |  
Player X's turn
Enter row (1-3): 1
Enter column (1-3): 1
X |   |  
---------
  |   |  
---------
  |   |  
Player O's turn
Enter row (1-3): 2
Enter column (1-3): 1
X |   |  
---------
O |   |  
---------
  |   |  
Player X's turn
Enter row (1-3): 1
Enter column (1-3): 2
X | X |  
---------
O |   |  
---------
  |   |  
Player O's turn
Enter row (1-3): 2
Enter column (1-3): 2
X | X |  
---------
O | O |  
---------
  |   |  
Player X's turn
Enter row (1-3): 1
Enter column (1-3): 3
X | X | X
---------
O | O |  
---------
  |   |  
Game Over!
Player X wins!

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Java 源代码：点与盒子游戏

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