这就是我犯的错误,我不知道该怎么解决,也不知道发生了什么。问题似乎就在这番评论之下。如您所见,使用event.get的for循环显然会导致视频系统停止初始化。
Traceback (most recent call last):
File "E:\ICS\Assignment\Super Break\Super Break.py", line 49, in <module>
main()
File "E:\ICS\Assignment\Super Break\Super Break.py", line 26, in main
for event in pygame.event.get():
error: video system not initialized
import pygame, pySprites
pygame.init()
pygame.mixer.init()
screen = pygame.display.set_mode((640, 480))
def main():
pygame.display.set_caption("Super Break")
background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill((255, 255, 255))
screen.blit(background, (0, 0))
score_keeper = pySprites.ScoreKeeper()
ball = pySprites.Ball(screen)
player1 = pySprites.Player(screen, 1)
allSprites = pygame.sprite.Group(score_keeper,ball, player1)
clock = pygame.time.Clock()
keepGoing = True
pygame.mouse.set_visible(False)
while keepGoing:
clock.tick(30)
for event in pygame.event.get():
if event.type == pygame.QUIT:
keepGoing = False
elif event.type == pygame.JOYHATMOTION:
player1.change_direction(event.value)
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
player2.change_direction((0, 1))
if event.key == pygame.K_DOWN:
player2.change_direction((0, -1))
allSprites.clear(screen, background)
allSprites.update()
allSprites.draw(screen)
pygame.display.flip()
# def speed_up(self):
# if self.__dx > 0:
# self.__dx += 1
pygame.mouse.set_visible(True)
pygame.quit()
main()
你的压痕错了。在主循环中调用
pygame.quit
。这将导致视频屏幕被破坏,并导致上述错误。我还注意到在事件循环中调用了draw函数。它们应该在主循环中被调用。这是您的固定代码:
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