save project

snake.py

 import pygame
 from pygame import locals
-import random
-apple_x=300
-apple_y=420
+range_x=360
+range_y=360
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -53,15 +52,11 @@ while True:
         y -= 30
     else:
         y += 30
+    if range_x==x and range_y==y:
+        range_x=random.randint(0,660)
+        range_y=random.randint(0,480)
     position.append((x, y))
-    
-    if x==apple_x and apple_y==y:
-        num1=random.randint(1,22)
-        num2=random.randint(1,16)
-        apple_x=num1*30-30
-        apple_y=num2*30-30   
-    else: 
-        position.pop(0)
+    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去