save project

snake.py

 import pygame
 from pygame import locals
+import random
+
 
 x=240
 y=120
-
+apple_x = 360
+apple_y = 300
 SHENTI=[(180,90),(180,120),(210,120),(x,y)]
 
 # 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((889, 880))
+screen = pygame.display.set_mode((660, 480))
 
 # 背景
 background = pygame.image.load('bg.png')
@@ -49,6 +52,9 @@ while True:
         x-=30      
     else :
         x+=30
+    if apple_x and y == apple_x:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)                           
     SHENTI.append((x,y))
     SHENTI.pop(0)
             # 接收到退出事件后退出程序
@@ -66,7 +72,7 @@ while True:
     #screen.blit(body, (180, 120))
     #screen.blit(body, (180, 90))
     # 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()
     fps.tick(3)
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