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我不明白为什么当我按下向上键时,矩形不会改变它的y位置。我没有得到任何错误,一切都显现出来。Pygame,为什么我的矩形不能移动
进口pygame的 从pygame.locals导入*
类SnekHead(对象):
def __init__(self, screensize):
self.screensize = screensize
self.center_x = int(screensize[0]*0.5)
self.center_y = int(screensize[1]*0.5)
self.width = 50
self.height = 50
self.rect = pygame.Rect(self.center_x-25, self.center_y-50, self.width, self.height)
self.color = (100, 255, 100)
self.speed = 10
self.direction = 0
def update(self):
self.center_y += self.direction*self.speed
def render(self, screen):
pygame.draw.rect(screen, self.color, self.rect, 0)
DEF run_game(): pygame.init()
screensize = (640, 480)
background_image = pygame.image.load('Sky_back_layer.png')
screen = pygame.display.set_mode(screensize)
clock = pygame.time.Clock()
snake = SnekHead(screensize)
running = True
while running:
clock.tick(64)
for event in pygame.event.get():
if event.type == KEYDOWN:
if event.key == K_ESCAPE:
running = False
elif event.key == K_UP:
snake.direction = -1
snake.update()
screen.blit(background_image, (0, 0))
snake.render(screen)
pygame.display.flip()
pygame.quit()
run_game( )
尝试重新发布代码,以便它更容易阅读。首先发布代码,然后突出显示所有代码,然后按代码按钮。它会更好地格式化。 –