This commit is contained in:
袁芳 2021-06-18 08:09:31 +08:00
parent 028fe05082
commit 45a2fe5c24
1 changed files with 8 additions and 1 deletions

View File

@ -58,7 +58,6 @@ class BossBullet(Sprite):
self.color = ai_settings.bossbullet_color
self.speed_factor = ai_settings.bossbullet_speed_factor
self.height = ai_settings.bossbullet_height
def update(self):
"""向下移动子弹"""
@ -66,3 +65,11 @@ class BossBullet(Sprite):
self.y += self.speed_factor
# 更新表示子弹的rect的位置
self.rect.y = self.y
def reset_position(self, bossalien):
"""(当子弹飞出屏幕底部或者击中飞船时)回到开始的地方"""
self.y = bossalien.rect.bottom
self.x = bossalien.x
# 更新rect位置
self.rect.y = self.y
self.rect.x = self.x