import pygame class Enemy(pygame.sprite.Sprite): def __init__(self, screen): super(Enemy, self).__init__() self.screen= screen self.image=pygame.image.load("sakura.png") self.rect=self.image.get_rect() self.rect.y=self.rect.height self.rect.x=self.rect.width self.y=float(self.rect.y) def update(self): self.y +=0.1 self.rect.y = self.y