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()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 x,y=240,120
+apple_x=360
+apple_y=300
 list=[(210, 120),(180, 120),(180, 90),(x,y)]
 # 背景
 #snak_head="right"
@@ -49,6 +51,9 @@ while True:
         y+=30
     list.append((x,y))
     list.pop(0)
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -57,7 +62,7 @@ while True:
     for i in range(len(list)-1):
         screen.blit(body,list[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()
     redfrtt.tick(3)
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