这是我的代码,并且在Ball类中,我的get_rect()方法存在错误
pygame.init()
pygame.mixer.init()
size = h, w = 500, 500
screen = pygame.display.set_mode(size)
black=0,0,0
gameover=False
image_ball=pygame.image.load('ball.png')
class Ball(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.transform.scale(image_ball, (50, 50))
self.ball_rect = self.image.get_rect()
self.ball_rect.x = random.randrange(w-self.ball_rect.width)
self.ball_rect.y = random.randrange(-100, 100)
self.x_speed=5
self.y_speed=5
def update(self):
self.ball_rect.x+=self.x_speed
if self.ball_rect.right<w:
self.ball_rect.right=w
if self.ball_rect.left<0:
self.ball_rect.left=0
all_sprite=pygame.sprite.Group()
ball_sprite = pygame.sprite.Group()
ball = Ball()
all_sprite.add(ball)
for i in range(10):
b=Ball()
ball_sprite.add(b)
all_sprite.add(b)
while not gameover:
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameover = True
all_sprite.update()
#draw/render
screen.fill(black)
ball_sprite.draw(screen)
pygame.display.flip()
pygame.time.wait(10)
sys.exit()
我在绘制self.spritedict [spr] = surface_blit(spr.image,spr.rect)时出错
AttributeError:“球”对象没有属性“矩形”
AttributeError:“球”对象没有属性“矩形”
好吧,这是正确的,您的Ball
课程没有rect
属性。
所以简单地改变
self.ball_rect = self.image.get_rect()
self.ball_rect.x = random.randrange(w-self.ball_rect.width)
self.ball_rect.y = random.randrange(-100, 100)
至
self.rect = self.image.get_rect()
self.rect.x = random.randrange(w-self.ball_rect.width)
self.rect.y = random.randrange(-100, 100)
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我来说两句