删除 'bullet.py'

bullet.py

@@ -1,34 +0,0 @@
-import pygame
-from pygame.sprite import Sprite
-import time
-
-
-class Bullet(Sprite):
-    '''飞船子弹进行管理'''
-
-    def __init__(self, ai_settings, screen, ship):
-        super(Bullet, self).__init__()
-
-    self.screen = screen
-
-    # 创建子弹矩形初始位置（0,0,3,15）分别对应lef，top，宽，高
-    self.rect = pygame.Rect(0, 0,
-                            ai_settings.bullet_width, ai_settings.bullet_height)
-
-    self.rect.centerx = ship.rect.centerx  # 设置中心点x轴坐标跟飞船一致
-    self.rect.top = ship.rect.top  # 设置y轴坐标顶部跟飞船一致
-
-    # 设置成小数进行计算
-    self.top = float(self.rect.top)
-
-    self.color = ai_settings.bullet_color
-    self.speed_factor = ai_settings.bullet_speed_factor
-
-    def update(self):
-        self.top -= self.speed_factor
-
-    self.rect.top = self.top
-    print(self.rect.top)
-
-    def draw_bullet(self):
-        pygame.draw.rect(self.screen, self.color, self.rect)