添加 '让外星人群里移动2'

让外星人群里移动2

@@ -0,0 +1,40 @@
+import random
+
+class spaceInvader(pygame.sprite.Sprite):
+
+def __init__(self):
+
+self.image = pygame.image.load("spaceInvader.png")
+
+self.x = 200
+
+self.y = 390
+
+self.shots = []
+
+def handle_keys(self):
+
+key = pygame.key.get_pressed()
+
+dist = 5
+
+if key[pygame.K_RIGHT]:
+
+self.x+=dist
+
+elif key[pygame.K_LEFT]:
+
+self.x-=dist
+
+def draw(self, surface):
+
+surface.blit(self.image,(self.x,self.y))
+
+for s in self.shots:
+
+s.draw(screen)
+
+class Alien(pygame.sprite.Sprite):
+
+def __init__(self,x,y,direction,alienType):
+