更新 'alien.py'

2021-06-21 21:13:59 +08:00 · 2021-06-21 21:13:59 +08:00 · 86615a66d5
parent 32f8368c4d
commit 86615a66d5
1 changed files with 2 additions and 1 deletions
--- a/alien.py
+++ b/alien.py
@ -36,4 +36,5 @@ class Alien(Sprite):

    def update(self):
        """向左或右移动外星人"""
-        self.x += (self.ai_settings.alien_speed_factor *
+        self.x += (self.ai_settings.alien_speed_factor *
+        self.ai_settings.fleet_direction)