topic description
without the pygame.sprite.groupcollide () code, everything works fine
when the pygame.sprite.groupcollide () code is added, an error occurs when you press the space. Run normally without pressing spaces
Traceback (most recent call last):
File "alien_invasion.py", line 41, in <module>
run_game()
File "alien_invasion.py", line 33, in run_game
gf.update_bullet(bullets,aliens)
File "G:\python_work\alien_invasion\game_functions.py", line 115, in update_bullet
cllisions = pygame.sprite.groupcollide(bullets,aliens,True,True)
File "C:\Users\\AppData\Roaming\Python\Python36\site-packages\pygame\sprite.py", line 1550, in groupcollide
c = SC(s, groupb, dokillb, collided)
File "C:\Users\\AppData\Roaming\Python\Python36\site-packages\pygame\sprite.py", line 1513, in spritecollide
spritecollide = sprite.rect.colliderect
AttributeError: "Bullet" object has no attribute "rect"sources of topics and their own ideas
when the topic is an introduction to python programming to practical examples, there is no difference between typing by yourself and that in a book
related codes
/ / Please paste the code text below (do not replace the code with pictures)
-sharp alien.py
import pygame
from pygame.sprite import Sprite
class Alien(Sprite):
def __init__(self,screen,ai_settings):
super().__init__()
-sharp
self.screen = screen
self.ai_settings = ai_settings
-sharp
self.image = pygame.image.load("images/alien_aircraft.bmp")
self.alien_rect = self.image.get_rect()
-sharp
self.alien_rect.x = self.alien_rect.width
self.alien_rect.y = self.alien_rect.height
def blitme(self):
""""""
self.screen.blit(self.image,self.alien_rect)
def update(self):
""""""
self.speed = self.ai_settings.alien_speed_factor
self.x += self.speed * self.ai_settings.speed_argue
self.alien_rect.x = self.x
def check_alien_edges(self):
""""""
screen_rect = self.screen.get_rect()
if self.alien_rect.right >= screen_rect.right:
return True
elif self.alien_rect.left <= screen_rect.left:
return True