Python之代码雨代码实现002_python代码雨

Python之代码雨代码实现002

下面是一个简单的使用 Python 的 pygame 库实现的代码雨。这个示例只是一个简单的版本，没有很多高级功能，但它可以作为一个起点，你可以在此基础上添加更多功能。

import os
import sys

import pygame
import random


def main(argv):
    code_rain = CodeRain()
    code_rain.play()

class CodeRain(object):
    def __init__(self):
        self.current_path = os.path.dirname(os.path.realpath(__file__))
        self.fullscreen = False
        self.suface_height = 18
        self.font_size = 20
        self.WIDTH = 1100
        self.HEIGHT = 600
        self.init_width =  self.WIDTH
        self.init_height =  self.HEIGHT
        self.screen = None
        self.surface = None
        self.font = None
        self.lst = None
        
        print('current_path: ', self.current_path)
    
    def play(self):
        pygame.init()
        
        self.font = pygame.font.SysFont('宋体', self.font_size)
        # 内容
        str = [chr(i) for i in range(48, 58)] + [chr(i) for i in range(97, 123)]
        texts = [ self.font.render(i, True, (0, 255, 0)) for i in str]
        self.lst = list(range(99))
        self.screen_setup()

        while True:
            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    exit()
                elif event.type == pygame.KEYDOWN:
                    # 按F11切换全屏，或窗口
                    if event.key == pygame.K_F11:
                        print("检测到按键F11")
                        self.fullscreen = not self.fullscreen
                        self.screen_setup()
                    elif event.key == pygame.K_ESCAPE:
                        # 按ESC退出
                        exit()

            pygame.time.delay(50)
            self.screen.blit(self.surface, (0, 0))
            for i in range(len(self.lst)):
                text = random.choice(texts)
                self.screen.blit(text, (i * 20, self.lst[i] * 20))
                self.lst[i] += 1
                if random.random() < 0.05:
                    self.lst[i] = 0
            pygame.display.flip()

    # 全屏效果，参数重设
    def screen_setup(self):
        if self.fullscreen:
            # 全屏效果，参数重设
            # size = self.init_width, self.init_height = pygame.display.list_modes()[0]
            size = self.init_width, self.init_height = self.screen.get_width(),self.screen.get_height()
            self.screen = pygame.display.set_mode(size, pygame.FULLSCREEN)
            # self.screen = pygame.display.set_mode(size, pygame.FULLSCREEN | pygame.HWSURFACE)
            # self.screen = pygame.display.set_mode((0, 0), pygame.FULLSCREEN)
        else:
            size = self.init_width, self.init_height = self.WIDTH, self.HEIGHT
            # self.screen = pygame.display.set_mode((self.WIDTH, self.HEIGHT))
            self.screen = pygame.display.set_mode(size)

        # 图像对象重新创建
        self.surface = pygame.Surface((self.init_width, self.init_height), flags=pygame.SRCALPHA)
        pygame.Surface.convert(self.surface)
        self.surface.fill((0, 0, 0, 10))
        self.screen.fill((0, 0, 0, 10))


if __name__ == "__main__":
    main(sys.argv[1:])


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

《AUTOSAR谱系分解(ETAS工具链)》之总目录