save project

snake.py

@@ -12,6 +12,8 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+a=pygame.time.Clock()
+x,y=240,120
 
 while True:
     for event in pygame.event.get():
@@ -21,7 +23,7 @@ while True:
     # 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))
@@ -29,4 +31,6 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    x=x+30
+    a.tick(3)
\ No newline at end of file