外星人飞船报错：Alien' object has no attribute 'image'，

Question

外星人飞船报错：写到创建外星人时无法创建提示，Alien' object has no attribute 'image'，反反复复对照代码看了几遍没有发现
请求指导，多谢热心人

请输入代码

alien_invasion.py

import sys

import pygame

from settings import Settings
from ship import Ship
from alien import Alien
import game_functions as gf
from pygame.sprite import Group

def run_game():

# 初始化游戏并创建一个屏幕对象
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
pygame.display.set_caption("Alien Invasion")

#创建一艘飞船
ship = Ship(ai_settings,screen)
#创建一个用于存储子弹的编组
bullets = Group()

#设置背景色
#bg_color = (0,0,0)

#创建一个外星人
alien = Alien(ai_settings,screen)



#开始游戏的主循环
while True:

    #监视键盘和鼠标事件
    gf.check_events(ai_settings,screen,ship,bullets)
    ship.update()
    #bullets.update()
    

    #删除已消失的子弹
    gf.update_bullets(bullets)
    
    gf.update_screen(ai_settings,screen,ship,bullets,alien)
    #每次循环时都重绘屏幕
    #screen.fill(ai_settings.bg_color)
    #ship.blitme()

    #让最近绘制的屏幕可见
    #pygame.display.flip()

run_game()

请输入代码

game_functions.py

import sys
import pygame
from bullet import Bullet
from alien import Alien
def check_keydown_events(event,ai_settings,screen,ship,bullets):

if event.key == pygame.K_RIGHT:
     #向右移动飞船
    ship.moving_right = True
elif event.key == pygame.K_LEFT:
    ship.moving_left = True
elif event.key == pygame.K_SPACE:
    fire_bullet(ai_settings,screen,ship,bullets)
elif event.key == pygame.K_q:
    pygame.quit( )
    sys.exit( )

def fire_bullet(ai_settings,screen,ship,bullets):

#创建一颗子弹，并将其加入到编组bullets中
"""如果还没有达到限制，就发射一颗子弹"""
if len(bullets) < ai_settings.bullets_allowed:
    new_bullet = Bullet(ai_settings,screen,ship)
    bullets.add(new_bullet)

def check_keyup_events(event,ship):

if event.key == pygame.K_RIGHT:
    ship.moving_right = False
elif event.key == pygame.K_LEFT:
    ship.moving_left = False

def check_events(ai_settings,screen,ship,bullets):

"""响应按键和鼠标事件"""
for event in pygame.event.get( ):
    if event.type == pygame.QUIT:
        pygame.quit( )
        sys.exit()
    elif event.type == pygame.KEYDOWN:
        check_keydown_events(event,ai_settings,screen,ship,bullets)
    elif event.type == pygame.KEYUP:
        check_keyup_events(event,ship)

           

def update_screen(ai_settings,screen,ship,bullets,alien):

"""更新屏幕上的图像，并切换到新屏幕"""
#每次循环时都重绘屏幕
screen.fill(ai_settings.bg_color)

#在飞船和外星人后面重绘制所有子弹

for bullet in bullets.sprites:
    bullet.draw_bullet( )    
ship.blitme( )
alien.blitme( )
 #让最近绘制的屏幕可见
pygame.display.flip( )

def update_bullets(bullets):

"""更新子弹的位置，并删除已消失的子弹"""
#更新子弹的位置
bullets.update( )
#删除已消失的子弹
for bullet in bullets.copy( ):
    if bullet.rect.bottom <= 0:
        bullets.remove(bullet)

请输入代码

alien.py

import pygame
from pygame.sprite import Sprite

class Alien(Sprite):

"""表示单个外星人的类"""

def __init__ (self,ai_settings,screen):
    """初始化外星人并设置其起始位置"""
    super(Alien,self).__init__( )
    self.screen = screen
    self.ai_settings = ai_settings


    #加载外星人图像，并设置其rect属性
    self.imgae = pygame.image.load('images/alien.bmp')
    self.rect = self.image.get_rect( )
    self.screen_rect = screen.get_rect()

    #每个外星人最初都在屏幕左上角附近
    self.rect.x = self.rect.width
    self.rect.y = self.rect.height
    
    #存储外星人的准确位置
    self.x = float(self.rect.x)

def blitme(self):
    """在指定位置绘制外星人"""
    self.screen.blit(self.image,self.rect)
    

---

错误提示：
Traceback (most recent call last):
File "C:UsersAdministratorAppDataLocalProgramsPythonPython35Libalien_invasionalien_invasion.py", line 59, in <module>

run_game()

File "C:UsersAdministratorAppDataLocalProgramsPythonPython35Libalien_invasionalien_invasion.py", line 32, in run_game

alien = Alien(ai_settings,screen)

File "C:UsersAdministratorAppDataLocalProgramsPythonPython35Libalien_invasionalien.py", line 18, in init

self.rect = self.image.get_rect( )

AttributeError: 'Alien' object has no attribute 'image'

Answer 1

很明显是 class Alien 内 self.imgae 这个错字导致的