# * coding=utf8
import sys
import random
import pygame
from pygame.locals import *
# 屏幕大小
WIDTH = 800
HEIGHT = 600
# 下落速度范围
SPEED = [20, 40]
# CODE String列表
LEN = ['PHP','Python','C++','Java','C#','javascript','GoLang','Ruby','Android','Vue','swift','basic','.net']
# 随机生成一个颜色
def randomColor():
return (0,238,0)
return (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
# 随机生成一个速度
def randomSpeed():
return random.randint(SPEED[0], SPEED[1])
# 随机生成一个位置
def randomPos():
return (random.randint(0, WIDTH), -20)
# 随机生成一个字符串
def randomCode():
return LEN[random.randint(1,len(LEN))-1]
# 随机生成字体大小
def randomSize():
return random.randint(12,36)
# 定义代码精灵类
class Code(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.code= randomCode()
#self.font = pygame.font.Font('./font.ttf', randomSize())
self.font = pygame.font.Font('C:/Windows/Fonts/simhei.ttf', randomSize())
self.speed = randomSpeed()
self.image = self.font.render(self.code, True, randomColor())
self.image = pygame.transform.rotate(self.image, random.randint(90, 90))#以垂直方式下落
self.rect = self.image.get_rect()
self.rect.topleft = randomPos()
def update(self):
self.rect = self.rect.move(0, self.speed)
if self.rect.top > HEIGHT:
#当精灵位置超出屏幕,销毁
self.kill()
pygame.init()
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption('code_rain')
clock = pygame.time.Clock()
codesGroup = pygame.sprite.Group()
while True:
clock.tick(24) #帧数
for event in pygame.event.get():
#监听关闭事件
if event.type == QUIT:
pygame.quit()
sys.exit(0)
screen.fill((1, 1, 1)) #填充背景色,相当于clear
#新建一个精灵
codeobject = Code()
codesGroup.add(codeobject)
# 监控并销毁
codesGroup.update()
codesGroup.draw(screen)
pygame.display.update()