save project

snake.py

 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -22,7 +22,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
-
+applex=360
+appley=300
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -52,6 +53,12 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    if x == applex and y == appley:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        applex=num1*30-30
+        appley=num2*30-30
+    else:
         position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -62,7 +69,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (applex, appley))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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