在pygame中添加无限数量的障碍

import pygame
pygame.init()
screen = pygame.display.set_mode((800, 600))

class Obstacle:
    def __init__(self, x, y, width, height):
        self.x = x
        self.y = y
        self.width = width
        self.height = height

    def draw(self):
        pygame.draw.rect(screen, (255, 0, 0), (self.x, self.y, self.width, self.height))

obstacles = []

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

    # 添加障碍物
    obstacles.append(Obstacle(x, y, width, height))

    # 绘制障碍物
    for obstacle in obstacles:
        obstacle.draw()

    pygame.display.flip()