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()
 
@@ -27,6 +27,9 @@ 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
+
+            apple_x=360
+            apple_y=300
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_d and setheading != "a":
@@ -52,6 +55,9 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    if x == apple_x and if y == apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -62,7 +68,8 @@ 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 ))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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