save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -23,6 +24,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 setheading = "right"
 snake_head = right
 
+apple_x,apple_y = 300,360
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -62,7 +65,13 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
+
+    #随机刷新果实
+    if x == apple_x and y == apple_y:
+        apple_x = 30 * random.randint(0,22)
+        apple_y = 30 * random.randint(0,16)
+
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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