更新 'alien.py'

2021-06-20 20:43:49 +08:00 · 2021-06-20 20:43:49 +08:00 · bc10c34af3
parent a65b121ad5
commit bc10c34af3
1 changed files with 2 additions and 1 deletions
--- a/alien.py
+++ b/alien.py
@ -28,3 +28,4 @@ class Alien(Sprite):

    def check_edges(self):
        """如果外星人位于屏幕边缘，就返回True"""
+        screen_rect = self.screen.get_rect()