我目前正在嘗試對(duì)太空入侵者克隆進(jìn)行編程。我創(chuàng)建了一個(gè)具有多種屬性的“入侵者”類，并為所有敵方入侵者創(chuàng)建了一個(gè)精靈組。class Invader(pygame.sprite.Sprite): def __init__(self, settings, picture, x, y): super().__init__() self.settings = settings self.x = x self.y = y self.image = pygame.image.load(os.path.join(self.settings.imagepath, picture)).convert_alpha() self.image = pygame.transform.scale(self.image, (63,38)) self.rect = self.image.get_rect() self.rect.center = [self.x, self.y] def update(self): direction_change = False print(direction_change) if self.rect.x > 800: direction_change = True else: direction_change = False if direction_change == False: self.rect.x += 1 if direction_change == True: self.rect.x -= 1通過(guò)更新功能，我移動(dòng)精靈組。但是當(dāng)它移動(dòng)到一個(gè)特定點(diǎn)時(shí)，所有精靈都會(huì)聚集在一起，看起來(lái)像這樣：有沒(méi)有辦法像移動(dòng)單個(gè)物體一樣移動(dòng)該組？
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移動(dòng)方向必須是該類的屬性Invader。如果精靈位于窗口的左側(cè)或右側(cè)，則更改方向：
class Invader(pygame.sprite.Sprite):
def __init__(self, settings, picture, x, y):
super().__init__()
self.settings = settings
self.x = x
self.y = y
self.image = pygame.image.load(os.path.join(self.settings.imagepath, picture)).convert_alpha()
self.image = pygame.transform.scale(self.image, (63,38))
self.rect = self.image.get_rect()
self.rect.center = [self.x, self.y]
self.direction = 1 # <---
def update(self):
if self.rect.right >= 800:
self.direction = -1
if self.rect.left <= 0:
self.direction = 1
self.rect.x += self.direction
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