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()
-
+shijian=pygame.time.Clock()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 
@@ -21,7 +22,8 @@ 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))
+    x+=30
     # 将贪吃蛇的身体画上去
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
@@ -29,4 +31,5 @@ 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()
+    shijian.tick(3)
\ No newline at end of file