From d6ca8c3ec2fd33443c7732594106f8af7c457427 Mon Sep 17 00:00:00 2001
From: 206530217 <2434096113@qq.com>
Date: Thu, 17 Jun 2021 11:22:33 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=96=E6=98=9F=E4=BA=BA?=
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---
 alien.py | 37 +++++++++++++------------------------
 1 file changed, 13 insertions(+), 24 deletions(-)

diff --git a/alien.py b/alien.py
index f78dfbe..d67fade 100644
--- a/alien.py
+++ b/alien.py
@@ -13,28 +13,17 @@ class Alien(Sprite):
         self.rect.y=self.rect.height
         # 储存外星人的准确位置
         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)
-    def check_edgrs(self):
-        """如果外星人位于屏幕边缘，就返回True"""
-        screen_rect=self.screen.get_rect()
-        if self.rect.right>=screen_rect.right:
-            return True
-        elif self.rect.left<=0:
-            return True
-    def update(self):
-        """向左或向右移动外星人"""
-        self.x+=(self.ai_settings.alien_speed_factor*self.ai_settings.fleet_direction)
-        self.rect.x=self.x
-class BoosAlien(Sprite):
-    """BOOS外星人"""
-    def __init__(self,ai_settings,screen,health=500):
-        """初始化外星人并设置其初始位置"""
-        self.screen=screen
-        self.ai_settings=ai_settings
-        self.health=health
-        # 加载外星人图像，并设置其rect属性
-        self.image=pygame.image.load('images/boosalien.png')
-        self.rect=self.image.get_rect()
+
+        def blitme(self):
+            """在指定位置绘制外星人"""
+            self.screen.blit(self.image, self.rect)
+
+        def check_edgrs(self):
+            """如果外星人位于屏幕边缘，就返回True"""
+            screen_rect = self.screen.get_rect()
+            if self.rect.right >= screen_rect.right:
+                return True
+            elif self.rect.left <= 0:
+                return True
+
         
\ No newline at end of file