python关于Group组的错误

• import pygame
  from pygame.sprite import Group
  from settings import Settings
  import rain_function as rf
  from rainclass import Rain
  
  def run():
  	
  	pygame.init()
  	set2 = Settings()
  	screen = pygame.display.set_mode((set2.screen_width, set2.screen_height))
  	pygame.display.set_caption('rain')
  	
  	rains = Group()
  	
  	
  	rain = Rain(set2, screen)
  	rf.create_rain_rain(rains, set2, screen)
  	
  	while True:
  		
  		rf.circulate()
  		screen.fill(set2.bgcolor)
  		rf.update_rains(rains)
  		
  		rains.draw(screen)
  		print(len(rains))
  		'''
  		for rain in rains.sprites():
  			rain.declineee()
  		'''
  		pygame.display.flip()
  		
  		
  		
  		
  
  
  run()
  

  
  
  class Settings():
  	
  	def __init__(self):
  		
  		self.screen_height = 800
  		self.screen_width = 1200
  		self.bgcolor = 0, 0, 0
  		self.rain_speed = 2
  		
  		
  

  import pygame
  import sys
  from rainclass import Rain
  def circulate():
  	for event in pygame.event.get():
  		if event.type == pygame.QUIT:
  			sys.exit()
  
  
  def get_available_space_x(set2, width):
  	available_space = set2.screen_width - 2 * width
  	line_number = int(available_space / (2 * width))
  	return line_number
  	
  def get_available_space_y(set2, height):
  	space_y = set2.screen_height - 2 * height
  	y_number = int(space_y / (2 * height))
  	return y_number
  
  	
  def create_rain(rains, set2, screen,  number, row_number):
  	
  	
  	rain = Rain(set2, screen)
  	width = rain.rect.width
  	rain.x = width + 2 * width * number
  	rain.rect.x = rain.x
  	rain.rect.y = rain.rect.height + rain.rect.height * 2 * row_number
  	rains.add(rain)
  
  def create_rain_rain(rains, set2, screen):
  	
  	rain = Rain(set2, screen)
  	line_number = get_available_space_x(set2, rain.rect.width)
  	y_number = get_available_space_y(set2, rain.rect.height)
  	
  	for row_number in range(y_number):
  		for number in range(line_number):
  			create_rain(rains, set2, screen, number, row_number)
  	print(line_number)
  	print(y_number)
  def update_rains(rains):
  	
  	rains.declineee()
  

  import pygame
  from pygame.sprite import Sprite
  class Rain(Sprite):
  	def __init__(self, set2, screen):
  		super(Rain, self).__init__()
  		
  		self.screen = screen
  		
  		self.image = pygame.image.load('image/rain2.bmp')
  		self.rect = self.image.get_rect()
  		
  		#位置
  		self.rect.x = self.rect.width
  		self.rect.y = self.rect.height
  		
  		self.x = float(self.rect.x)
  		self.y = float(self.rect.y)
  		
  		self.rain_speed = 1
  	
  	def declineee(self):
  		self.y += self.rain_speed
  		self.rect.y = self.y
  
  
  	

  全部代码如上

• 我想用第一张图片的代码rf.update_rains(rains)让我的组里的全部图片下落。

• 可是它报错了

•  

• 

cnds要我充100我舍不得。有人帮我解答了这个问题我必定微信转20。求求了

这个rains.draw（screen）是可以运行出我的图片的。说明组里面有我的类实例。为什么我调用不了实例里的方法

我的程序作用是让一排排雨滴下落

已解决

不知道你这个问题是否已经解决, 如果还没有解决的话:

• 建议你看下这篇博客👉 ：Python匹配对象的groups、groupdict和group之间的关系

如果你已经解决了该问题, 非常希望你能够分享一下解决方案, 以帮助更多的人 ^-^