day_18作业 多线程

弹幕

"""写一个弹幕"""

import pygame
import socket
from threading import Thread
from random import randint

message_list = []
# 输入子进程
class CoversationThread(Thread):
    def __init__(self, conversation):
        super().__init__()
        self.conversation = conversation

    def run(self):
        while True:
            message = self.conversation.recv(1024).decode(encoding='utf-8')
            message_dict = {'content': message, 'x': 580, 'y': randint(20, 200), 'x_speed': -4}
            message_list.append(message_dict)
            print(message_list)


if __name__ == '__main__':
    pygame.init()
    screen = pygame.display.set_mode((600, 400))
    screen.fill((254, 254, 254))
    pygame.display.set_caption('屏幕')
    pygame.display.flip()

    server = socket.socket()
    server.bind(('10.7.181.81', 8080))
    server.listen(64)

    while True:
        conversation, address = server.accept()
        while True:
            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    exit()

            pygame.time.delay(50)
            screen.fill((254, 254, 254))
            if message_list:
                for message in message_list[:]:
                    content = str(message['content'])
                    x = message['x']
                    y = message['y']
                    x_speed = message['x_speed']
                    if x + x_speed <= -10:
                        message_list.remove(message)
                    else:
                        message['x'] = x + x_speed
                        font = pygame.font.SysFont('Times', 20)
                        surface = font.render(content, True, (254, 0, 0))
                        screen.blit(surface, (x, y))

                pygame.display.update()

            c1 = CoversationThread(conversation)
            c1.start()