用Python编写俄罗斯方块游戏

游戏概述

本游戏是一个基于 Pygame 库的俄罗斯方块游戏，玩家需要控制下落的方块，使其拼接成完整的一行或多行并消除，以获得得分

游戏规则

游戏界面

游戏界面包括如下元素：

游戏实现

游戏的实现采用了 Pygame 库，主要包括如下几个部分：

运行环境

本游戏需要 Python 3 和 Pygame 库。可以在 Windows、Mac 或 Linux 平台上运行.

运行方法

在安装了 Python 3 和 Pygame 库的环境下，可以直接运行 tetris.py 文件来启动游戏。

代码实现

import pygame
import random

# 初始化 Pygame
pygame.init()

# 游戏界面大小
screen_width = 800
screen_height = 600

# 定义颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GRAY = (128, 128, 128)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
YELLOW = (255, 255, 0)

# 定义方块大小
block_size = 20

# 定义游戏界面
screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption("俄罗斯方块")

# 定义字体
font = pygame.font.SysFont(None, 25)

def draw_text(text, color, x, y):
    """绘制文字"""
    img = font.render(text, True, color)
    screen.blit(img, (x, y))

class Block(pygame.sprite.Sprite):
    """方块类"""

    def __init__(self, color, width, height):
        super().__init__()

        self.image = pygame.Surface([width, height])
        self.image.fill(WHITE)
        self.image.set_colorkey(WHITE)

        pygame.draw.rect(self.image, color, [0, 0, width, height])

        self.rect = self.image.get_rect()

    def update(self):
        """更新方块位置"""
        self.rect.y += block_size

class Shape:
    """形状类"""

    shapes = [
        [[1, 1, 1, 1]],
        [[1, 0, 0], [1, 1, 1]],
        [[0, 0, 1], [1, 1, 1]],
        [[1, 1], [1, 1]],
        [[0, 1, 1], [1, 1, 0]],
        [[1, 1, 0], [0, 1, 1]],
        [[0, 1, 0], [1, 1, 1]]
    ]

    def __init__(self, x, y):
        self.x = x
        self.y = y
        self.shape = random.choice(Shape.shapes)
        self.color = random.choice([RED, GREEN, BLUE, YELLOW])

        self.blocks = []

        for i in range(len(self.shape)):
            for j in range(len(self.shape[i])):
                if self.shape[i][j] == 1:
                    block = Block(self.color, block_size, block_size)
                    block.rect.x = self.x + j * block_size
                    block.rect.y = self.y + i * block_size
                    self.blocks.append(block)

    def update(self):
        """更新形状位置"""
        for block in self.blocks:
            block.rect.y += block_size

    def move_left(self):
        """向左移动形状"""
        for block in self.blocks:
            block.rect.x -= block_size

    def move_right(self):
        """向右移动形状"""
        for block in self.blocks:
            block.rect.x += block_size

    def rotate(self):
        """旋转形状"""
        old_shape = self.shape
        new_shape = []

        for i in range(len(old_shape[0])):
            new_row = []
            for j in range(len(old_shape)):
                new_row.append(old_shape[len(old_shape) - j - 1][i])
            new_shape.append(new_row)

        self.shape = new_shape

        self.blocks = []

        for i in range(len(self.shape)):
            for j in range(len(self.shape[i])):
                if self.shape[i][j] == 1:
                    block = Block(self.color, block_size, block_size)
                    block.rect.x = self.x + j * block_size
                    block.rect.y = self.y + i * block_size
                    self.blocks.append(block)

def check_collision(shape, blocks):
    """检查形状是否与其他方块重叠"""
    for block in shape.blocks:
        for b in blocks:
            if block.rect.colliderect(b.rect):
                return True
    return False

def check_gameover(blocks):
    """检查游戏是否结束"""
    for block in blocks:
        if block.rect.y <= 0:
            return True
    return False

def main():
    """游戏主函数"""
    # 创建方块组
    all_blocks = pygame.sprite.Group()

    # 创建形状
    current_shape = Shape(3 * block_size, 0)

    # 游戏循环
    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    current_shape.move_left()
                    if check_collision(current_shape, all_blocks):
                        current_shape.move_right()
                elif event.key == pygame.K_RIGHT:
                    current_shape.move_right()
                    if check_collision(current_shape, all_blocks):
                        current_shape.move_left()
                elif event.key == pygame.K_UP:
                    current_shape.rotate()
                    if check_collision(current_shape, all_blocks):
                        current_shape.rotate()
                        current_shape.rotate()
                        current_shape.rotate()
                elif event.key == pygame.K_DOWN:
                    current_shape.update()
                    if check_collision(current_shape, all_blocks):
                        current_shape.blocks.pop()
                        all_blocks.add(current_shape.blocks)
                        current_shape = Shape(3 * block_size, 0)

        # 更新形状位置
        current_shape.update()

        # 检查是否与其他方块重叠
        if check_collision(current_shape, all_blocks):
            current_shape.blocks.pop()
            all_blocks.add(current_shape.blocks)
            current_shape = Shape(3 * block_size, 0)

        # 绘制游戏界面
        screen.fill(BLACK)

        all_blocks.draw(screen)
        current_shape.blocks.draw(screen)

        pygame.draw.rect(screen, GRAY, [0, 0, screen_width, screen_height], 4)

        # 更新游戏界面
        pygame.display.update()

        # 检查游戏是否结束
        if check_gameover(all_blocks):
            draw_text("GAME OVER", WHITE, screen_width / 2 - 60, screen_height / 2 - 12)
            pygame.display.update()
            pygame.time.wait(3000)
            pygame.quit()
            quit()

        # 控制游戏速度
        pygame.time.wait(300)

if __name__ == "__main__":
    main()