python是怎么实现简单俄罗斯方块游戏

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Python的优点有哪些

1、简单易用，与C/C++、Java、C# 等传统语言相比，Python对代码格式的要求没有那么严格；2、Python属于开源的，所有人都可以看到源代码，并且可以被移植在许多平台上使用；3、Python面向对象，能够支持面向过程编程,也支持面向对象编程；4、Python是一种解释性语言，Python写的程序不需要编译成二进制代码，可以直接从源代码运行程序；5、Python功能强大，拥有的模块众多，基本能够实现所有的常见功能。

import pygame,sys,random,timeall_block = [[[0,0],[0,-1],[0,1],[0,2]],        [[0,0],[0,1],[1,1],[1,0]],        [[0,0],[0,-1],[-1,0],[-1,1]],         [[0,0],[0,1],[-1,-1],[-1,0]],          [[0,0],[0,1],[1,0],[0,-1]],         [[0,0],[1,0],[-1,0],[1,-1]],        [[0,0],[1,0],[-1,0],[1,1]]] background = [[0 for column in range(0,10)] for row in range(0,22)]background[0] = [1 for column in range(0,10)]select_block = list(random.choice(all_block))block_initial_position = [21,5] times = 0score = [0]  gameover = [] press = Falsepygame.init()screen = pygame.display.set_mode((250,500))title = pygame.display.set_caption("俄罗斯方块")#下落、位置、数组检测、得分、屏幕信息def block_move_down():    y_drop=block_initial_position[0]     x_move=block_initial_position[1]    y_drop-=1     for row,column in select_block:        row+=y_drop        column+=x_move        if background[row][column]==1:            break     else:        block_initial_position.clear()        block_initial_position.extend([y_drop,x_move])        return    y_drop,x_move=block_initial_position    for row,column in select_block:        background[y_drop+row][x_move+column]=1    complete_row=[]     for row in range(1,21):        if 0 not in background[row]:            complete_row.append(row)    complete_row.sort(reverse=True)    for row in complete_row:        background.pop(row)        background.append([0 for column in range(0,10)])    score[0]+=len(complete_row)    pygame.display.set_caption(str(score[0])+'分')    select_block.clear()      select_block.extend(list(random.choice(all_block)))     block_initial_position.clear()      block_initial_position.extend([20,5])    y_drop,x_move=block_initial_position    for row,column in select_block:        row+=y_drop        column+=x_move        if background[row][column]:            gameover.append(1)#方块设置、变化、背景改变def new_draw():    y_drop,x_move=block_initial_position    for row,column in select_block:        row+=y_drop        column+=x_move         pygame.draw.rect(screen,(255,165,0),(column*25,500-row*25,23,23))    for row in range(0,20):        for column in range(0,10):            bottom_block=background[row][column]            if bottom_block:                pygame.draw.rect(screen,(0,0,255),(column*25,500-row*25,23,23))#方块的移动，防止出界，碰撞def move_left_right(n):    y_drop,x_move=block_initial_position     x_move+=n    for row,column in select_block:        row+=y_drop        column+=x_move        if column<0 or column>9 or background[row][column]:            break    else:        block_initial_position.clear()        block_initial_position.extend([y_drop,x_move])#旋转,位置都进行变化def rotate():    y_drop,x_move=block_initial_position    rotating_position=[(-column,row)for row,column in select_block]    for row,column in rotating_position:        row+=y_drop        column+=x_move        if column<0 or column>9 or background[row][column]:            break    else:        select_block.clear()        select_block.extend(rotating_position)while True:    screen.fill((255,255,255))    for event in pygame.event.get():        if event.type==pygame.QUIT:            sys.exit()        elif event.type==pygame.KEYDOWN and event.key==pygame.K_LEFT:            move_left_right(-1)        elif event.type==pygame.KEYDOWN and event.key==pygame.K_RIGHT:            move_left_right(1)        elif event.type==pygame.KEYDOWN and event.key==pygame.K_UP:            rotate()        elif event.type==pygame.KEYDOWN and event.key==pygame.K_DOWN:            press=True        elif event.type==pygame.KEYUP and event.key==pygame.K_DOWN:            press=False    if press:        times+=10    if times>=50:        block_move_down()        times=0    else:        times+=1    if gameover:        sys.exit()    new_draw()    pygame.time.Clock().tick(200)    pygame.display.flip()

效果：

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