本文实例为大家分享了python实现字幕雨效果的具体代码，供大家参考，具体内容如下

#################################### #name : HACKER EMPIRE CAPTION RAIN #import modules try : import pygame import sys from pygame.locals import * from random import randint except : print("Load modules error!!") exit() #define some datas SCREEN_WIDTH = 1366 SCREEN_HEIGHT = 768 LOW_SPEED = 30 HIGH_SPEED = 30 LOW_SIZE = 5 HIGH_SIZE = 30 FONT_SIZE = 40 FONT_NAME = "myfont.ttf" FREQUENCE = 50 times = 0 #def random color def randomcolor() : return (randint(0,255),randint(0,255),randint(0,255)) def randomspeed() : return randint(LOW_SPEED,HIGH_SPEED) def randomposition() : return (randint(0,SCREEN_WIDTH),randint(0,SCREEN_HEIGHT)) def randomsize() : return randint(LOW_SIZE,HIGH_SIZE) def randomoname() : return randint(0,100000) def randomvalue() : return randint(0,9)#this is your own display number range #class of sprite class Word(pygame.sprite.Sprite) : def __init__(self,bornposition) : pygame.sprite.Sprite.__init__(self) self.value = randomvalue() self.font = pygame.font.Font(FONT_NAME,FONT_SIZE) self.image = self.font.render(str(self.value),True,randomcolor()) self.speed = randomspeed() self.rect = self.image.get_rect() self.rect.topleft = bornposition def update(self) : self.rect = self.rect.move(0,self.speed) if self.rect.top > SCREEN_HEIGHT : self.kill() #init the available modules pygame.init() screen = pygame.display.set_mode((SCREEN_WIDTH,SCREEN_HEIGHT)) pygame.display.set_caption("HACKER EMPIRE CAPTION RAIN") clock = pygame.time.Clock() group = pygame.sprite.Group() group_count = SCREEN_WIDTH / FONT_SIZE #mainloop while True : time = clock.tick(FREQUENCE) for event in pygame.event.get() : if event.type == QUIT : pygame.quit() exit() screen.fill((0,0,0)) for i in range(0,group_count) : group.add(Word((i * FONT_SIZE,-FONT_SIZE))) group.update() group.draw(screen) pygame.display.update() #save pictures #times += time #if times > 5000 : #pygame.image.save(screen,str(randomoname())+".png") ###########################

效果图：

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