save project

snake.py

 import pygame
 from pygame import locals
 
+x=240
+y=120
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -12,21 +14,23 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
+Clock=pygame.time.Clock()
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+    x+=30
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(right, (x, y))
     # 将贪吃蛇的身体画上去
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     # 将果实画上去
     screen.blit(food, (360, 300))
+    Clock.tick(3)
     # 刷新画面
     pygame.display.update()
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