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走四棋儿(也称为四子棋或四连棋)是一种经典的两人对弈游戏,玩家轮流在棋盘上放置棋子,目标是在水平、垂直或对角线上先形成四个连续的棋子。本文将介绍如何使用Python和Pygame库来实现一个简单的走四棋儿游戏。
在开始编写代码之前,确保你已经安装了Python和Pygame库。如果尚未安装Pygame,可以使用以下命令进行安装:
pip install pygame
首先,导入所需的库:
import pygame
import sys
初始化Pygame并设置游戏窗口的大小和标题:
pygame.init()
# 设置窗口大小
WIDTH = 700
HEIGHT = 600
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("走四棋儿游戏")
定义游戏中使用的颜色和常量:
# 定义颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
YELLOW = (255, 255, 0)
# 定义棋盘大小
ROW_COUNT = 6
COLUMN_COUNT = 7
# 定义棋子大小
SQUARE_SIZE = 100
RADIUS = int(SQUARE_SIZE / 2 - 5)
创建一个二维列表来表示棋盘,初始时所有位置为空:
def create_board():
board = [[0] * COLUMN_COUNT for _ in range(ROW_COUNT)]
return board
编写函数来绘制棋盘和棋子:
def draw_board(board):
for c in range(COLUMN_COUNT):
for r in range(ROW_COUNT):
pygame.draw.rect(screen, BLACK, (c * SQUARE_SIZE, r * SQUARE_SIZE + SQUARE_SIZE, SQUARE_SIZE, SQUARE_SIZE))
pygame.draw.circle(screen, WHITE, (int(c * SQUARE_SIZE + SQUARE_SIZE / 2), int(r * SQUARE_SIZE + SQUARE_SIZE + SQUARE_SIZE / 2)), RADIUS)
for c in range(COLUMN_COUNT):
for r in range(ROW_COUNT):
if board[r][c] == 1:
pygame.draw.circle(screen, RED, (int(c * SQUARE_SIZE + SQUARE_SIZE / 2), HEIGHT - int(r * SQUARE_SIZE + SQUARE_SIZE / 2)), RADIUS)
elif board[r][c] == 2:
pygame.draw.circle(screen, YELLOW, (int(c * SQUARE_SIZE + SQUARE_SIZE / 2), HEIGHT - int(r * SQUARE_SIZE + SQUARE_SIZE / 2)), RADIUS)
pygame.display.update()
编写函数来处理玩家的输入,并更新棋盘:
def drop_piece(board, row, col, piece):
board[row][col] = piece
def is_valid_location(board, col):
return board[ROW_COUNT - 1][col] == 0
def get_next_open_row(board, col):
for r in range(ROW_COUNT):
if board[r][col] == 0:
return r
def player_move(board, col, piece):
if is_valid_location(board, col):
row = get_next_open_row(board, col)
drop_piece(board, row, col, piece)
return True
return False
编写函数来判断是否有玩家获胜:
def check_win(board, piece):
# 检查水平方向
for r in range(ROW_COUNT):
for c in range(COLUMN_COUNT - 3):
if board[r][c] == piece and board[r][c + 1] == piece and board[r][c + 2] == piece and board[r][c + 3] == piece:
return True
# 检查垂直方向
for c in range(COLUMN_COUNT):
for r in range(ROW_COUNT - 3):
if board[r][c] == piece and board[r + 1][c] == piece and board[r + 2][c] == piece and board[r + 3][c] == piece:
return True
# 检查正对角线方向
for r in range(ROW_COUNT - 3):
for c in range(COLUMN_COUNT - 3):
if board[r][c] == piece and board[r + 1][c + 1] == piece and board[r + 2][c + 2] == piece and board[r + 3][c + 3] == piece:
return True
# 检查反对角线方向
for r in range(3, ROW_COUNT):
for c in range(COLUMN_COUNT - 3):
if board[r][c] == piece and board[r - 1][c + 1] == piece and board[r - 2][c + 2] == piece and board[r - 3][c + 3] == piece:
return True
return False
编写主游戏循环,处理玩家输入、更新棋盘、判断胜负等:
def main():
board = create_board()
game_over = False
turn = 0
while not game_over:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
if event.type == pygame.MOUSEBUTTONDOWN:
if turn == 0:
col = event.pos[0] // SQUARE_SIZE
if player_move(board, col, 1):
if check_win(board, 1):
print("玩家1获胜!")
game_over = True
turn = 1
else:
col = event.pos[0] // SQUARE_SIZE
if player_move(board, col, 2):
if check_win(board, 2):
print("玩家2获胜!")
game_over = True
turn = 0
draw_board(board)
if game_over:
pygame.time.wait(3000)
if __name__ == "__main__":
main()
将上述代码保存为一个Python文件(例如connect4.py
),然后在终端中运行:
python connect4.py
你将看到一个走四棋儿游戏的窗口,玩家可以通过点击鼠标来放置棋子。游戏会在有玩家获胜时结束,并显示获胜者。
通过本文,我们学习了如何使用Python和Pygame库来实现一个简单的走四棋儿游戏。这个项目涵盖了Pygame的基本使用、游戏逻辑的实现以及简单的用户交互。你可以在此基础上进一步扩展游戏功能,例如添加对手、增加音效、优化界面等。希望本文对你有所帮助,祝你编程愉快!
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