ADD file via upload

power.py

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+import random
+from typing import Any
+
+import pygame
+from pygame.sprite import Sprite
+
+
+# 道具类
+class PowerBase(Sprite):
+    def __init__(self, ai_game):
+        super().__init__()
+        # 获取屏幕设置
+        self.screen = ai_game.screen
+        self.screen_rect = ai_game.screen.get_rect()
+        self.settings = ai_game.settings
+
+    def update(self, *args: Any, **kwargs: Any) -> None:
+        pass
+
+
+class Prop(PowerBase):  # 道具
+    def __init__(self, ai_game):
+        super().__init__(ai_game)
+        # 导入图片
+        self.type = random.choice(self.settings.prop_images_list)
+        self.image = self.settings.prop_images[self.type].convert()
+        self.image.set_colorkey(self.settings.BLACK)
+        self.rect = self.image.get_rect()
+        self.speed = 5
+
+    def update(self, *args: Any, **kwargs: Any) -> None:
+        self.rect.y += self.speed
+        if self.rect.top > self.screen_rect.height:
+            self.kill()
+
+
+