import pygame
SCREEN_RECT = pygame.Rect(0,0,480,700)
FRAME_PER_SEC = 60
CREATE_ENEMY_EVENT = pygame.USEREVENT
class GameSprite(pygame.sprite.Sprite):
def __init__(self, image_name,speed=1):
super().__init__()
self.image = pygame.image.load(image_name)
self.rect = self.image.get_rect()
self.speed = speed
def update(self):
self.rect.y += self.speed
class Background(GameSprite):
def __init__(self, is_alt=False):
super().__init__("G:/飞机大战/images/background.png")
if is_alt:
self.rect.y = - self.rect.height
def update(self):
super().update()
if self.rect.y >= SCREEN_RECT.height:
self.rect.y = -self.rect.height
class Enemy(GameSprite):
def __init__(self):
super().__init__("G:/飞机大战/images/enemy1.png")
pass
def update(self):
super().update()
if self.rect.y >= SCREEN_RECT.height:
print("飞出屏幕。需要删除...")
pass
(精灵组)
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