Python Pygame模块详解与拼图游戏实战

竹里

发布时间：2026-10-15| 6人浏览过

原创

本文详细介绍Python中用于2D游戏开发的Pygame库，涵盖其跨平台特性、核心模块功能及安装方法。通过完整代码示例，演示如何从零构建一个基于Pygame的拼图游戏，包括窗口初始化、事件处理、图像分割与渲染逻辑，帮助开发者快速掌握Pygame基础应用。

Pygame简介

Python Pygame是一个专为开发2D电子游戏设计的软件包，支持Windows、Linux和Mac OS等主流操作系统，具备优秀的跨平台兼容性。该库由Pete Shinners于2000年开发，属于免费开源软件，开发者可自由使用而无需担心版权或费用问题。

Pygame基于SDL（Simple DirectMedia Layer，一个用C语言编写的多媒体开发库）构建，提供了丰富的操作模块，包括图像（image）、声音（mixer）、输入输出（鼠标、键盘、显示屏）等。相较于3D游戏开发，Pygame更擅长处理2D游戏场景，例如飞机大战、贪吃蛇和扫雷等经典游戏。

安装Pygame

pip install pygame

Pygame常用模块

pygame.cdrom：访问光驱设备
pygame.cursors：加载自定义光标
pygame.display：控制显示设备与窗口
pygame.draw：绘制几何形状、线条和点
pygame.event：管理系统事件队列
pygame.font：处理字体渲染
pygame.image：加载和保存图像文件
pygame.joystick：支持游戏手柄等输入设备
pygame.key：读取键盘按键状态
pygame.mixer：处理音频播放与控制
pygame.mouse：追踪鼠标位置与点击事件
pygame.movie：播放视频文件
pygame.music：播放背景音乐或音频流
pygame.overlay：访问高级视频叠加层
pygame.rect：管理矩形区域与碰撞检测
pygame.scrap：访问本地剪贴板
pygame.sndarray：操作声音数据数组
pygame.sprite：管理移动图像对象
pygame.surface：管理图像与屏幕渲染
pygame.surfarray：操作点阵图像数据
pygame.time：管理游戏时间与帧率控制
pygame.transform：缩放、旋转和移动图像

Pygame入门案例

import pygame
import sys

pygame.init()  # 初始化pygame
size = width, height = 320, 240  # 设置窗口大小
screen = pygame.display.set_mode(size)  # 显示窗口

while True:  # 死循环确保窗口一直显示
    for event in pygame.event.get():  # 遍历所有事件
        if event.type == pygame.QUIT:  # 如果单击关闭窗口，则退出
            sys.exit()

pygame.quit()  # 退出pygame

使用Pygame实现拼图游戏

import pygame, sys, random
from pygame.locals import *

# 一些常量
WINDOWWIDTH = 500
WINDOWHEIGHT = 500
BACKGROUNDCOLOR = (255, 255, 255)
BLUE = (0, 0, 255)
BLACK = (0, 0, 0)
FPS = 40

VHNUMS = 3
CELLNUMS = VHNUMS * VHNUMS
MAXRANDTIME = 100


# 退出
def terminate():
    pygame.quit()
    sys.exit()


# 随机生成游戏盘面
def newGameBoard():
    board = []
    for i in range(CELLNUMS):
        board.append(i)
    blackCell = CELLNUMS - 1
    board[blackCell] = -1

    for i in range(MAXRANDTIME):
        direction = random.randint(0, 3)
        if (direction == 0):
            blackCell = moveLeft(board, blackCell)
        elif (direction == 1):
            blackCell = moveRight(board, blackCell)
        elif (direction == 2):
            blackCell = moveUp(board, blackCell)
        elif (direction == 3):
            blackCell = moveDown(board, blackCell)
    return board, blackCell


# 若空白图像块不在最左边，则将空白块左边的块移动到空白块位置
def moveRight(board, blackCell):
    if blackCell % VHNUMS == 0:
        return blackCell
    board[blackCell - 1], board[blackCell] = board[blackCell], board[blackCell - 1]
    return blackCell - 1


# 若空白图像块不在最右边，则将空白块右边的块移动到空白块位置
def moveLeft(board, blackCell):
    if blackCell % VHNUMS == VHNUMS - 1:
        return blackCell
    board[blackCell + 1], board[blackCell] = board[blackCell], board[blackCell + 1]
    return blackCell + 1


# 若空白图像块不在最上边，则将空白块上边的块移动到空白块位置
def moveDown(board, blackCell):
    if blackCell < VHNUMS:
        return blackCell
    board[blackCell - VHNUMS], board[blackCell] = board[blackCell], board[blackCell - VHNUMS]
    return blackCell - VHNUMS


# 若空白图像块不在最下边，则将空白块下边的块移动到空白块位置
def moveUp(board, blackCell):
    if blackCell >= CELLNUMS - VHNUMS:
        return blackCell
    board[blackCell + VHNUMS], board[blackCell] = board[blackCell], board[blackCell + VHNUMS]
    return blackCell + VHNUMS


# 是否完成
def isFinished(board, blackCell):
    for i in range(CELLNUMS - 1):
        if board[i] != i:
            return False
    return True


# 初始化
pygame.init()
mainClock = pygame.time.Clock()

# 加载图片
gameImage = pygame.image.load('1.jpg')
gameRect = gameImage.get_rect()

# 设置窗口，窗口的宽度和高度取决于图片的宽高
windowSurface = pygame.display.set_mode((gameRect.width, gameRect.height))
pygame.display.set_caption('拼图')

cellWidth = int(gameRect.width / VHNUMS)
cellHeight = int(gameRect.height / VHNUMS)

finish = False

gameBoard, blackCell = newGameBoard()

# 游戏主循环
while True:
    for event in pygame.event.get():
        if event.type == QUIT:
            terminate()
        if finish:
            continue
        if event.type == KEYDOWN:
            if event.key == K_LEFT or event.key == ord('a'):
                blackCell = moveLeft(gameBoard, blackCell)
            if event.key == K_RIGHT or event.key == ord('d'):
                blackCell = moveRight(gameBoard, blackCell)
            if event.key == K_UP or event.key == ord('w'):
                blackCell = moveUp(gameBoard, blackCell)
            if event.key == K_DOWN or event.key == ord('s'):
                blackCell = moveDown(gameBoard, blackCell)
        if event.type == MOUSEBUTTONDOWN and event.button == 1:
            x, y = pygame.mouse.get_pos()
            col = int(x / cellWidth)
            row = int(y / cellHeight)
            index = col + row * VHNUMS
            if (
                    index == blackCell - 1 or index == blackCell + 1 or index == blackCell - VHNUMS or index == blackCell + VHNUMS):
                gameBoard[blackCell], gameBoard[index] = gameBoard[index], gameBoard[blackCell]
                blackCell = index

    if (isFinished(gameBoard, blackCell)):
        gameBoard[blackCell] = CELLNUMS - 1
        finish = True

    windowSurface.fill(BACKGROUNDCOLOR)

    for i in range(CELLNUMS):
        rowDst = int(i / VHNUMS)
        colDst = int(i % VHNUMS)
        rectDst = pygame.Rect(colDst * cellWidth, rowDst * cellHeight, cellWidth, cellHeight)

        if gameBoard[i] == -1:
            continue

        rowArea = int(gameBoard[i] / VHNUMS)
        colArea = int(gameBoard[i] % VHNUMS)
        rectArea = pygame.Rect(colArea * cellWidth, rowArea * cellHeight, cellWidth, cellHeight)
        windowSurface.blit(gameImage, rectDst, rectArea)

    for i in range(VHNUMS + 1):
        pygame.draw.line(windowSurface, BLACK, (i * cellWidth, 0), (i * cellWidth, gameRect.height))
    for i in range(VHNUMS + 1):
        pygame.draw.line(windowSurface, BLACK, (0, i * cellHeight), (gameRect.width, i * cellHeight))

    pygame.display.update()

    mainClock.tick(FPS)