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alien.py
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alien.py
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import pygame
from pygame.sprite import Sprite
class Alien(Sprite):
def __init__(self,ai_setting,screen):
super().__init__()
self.ai_setting=ai_setting
self.screen=screen
self.image=pygame.image.load('D:/program_learning/python/spaceshipe_game/image/alien.bmp')
self.rect=self.image.get_rect()
self.rect.x=self.rect.width
self.rect.y=self.rect.height
self.x=float(self.rect.x)
def blitme(self):
self.screen.blit(self.image,self.rect)
def check_edges(self):
screen_rect=self.screen.get_rect()
if self.rect.right>=screen_rect.right:
return True
elif self.rect.left<=0:
return True
def update(self):
self.x+=(self.ai_setting.alien_speed_factor* self.ai_setting.fleet_direction)
self.rect.x=self.x