food = Food(screen)
running = True
while running:
screen.fill((0, 0, 0))
worm.move()
worm.draw()
food.draw()
if worm.crashed:
running = False
elif worm.x <= 0 or worm.x >= w - 1:
running = False
elif worm.y <= 0 or worm.y >= h - 1:
running = False
elif food.check(worm.x, worm.y):
score += 1
worm.eat()
chomp.play()
print "Score: %d" % score
food.erase()
food = Food(screen)
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN:
