save project

snake.py

 import pygame
 from pygame import locals
-
+import random
+a_x=360
+a_y=300
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -48,6 +50,11 @@ while True:
         y-=30
     else:
         y+=30
+    if x==a_x and y==a_y:
+        a=random.randint(0,22)
+        b=random.randint(0,12)
+        a_x=a*30
+        a_y=b*30
     zuo.append((x,y))
     zuo.pop(0)
     screen.blit(background, (0, 0))
@@ -55,9 +62,9 @@ while True:
     screen.blit(xiang,zuo[-1] )
     # 将贪吃蛇的身体画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (a_x, a_y))
     for i in range(len(zuo)-1):
         screen.blit(body,zuo[i])
     # 刷新画面
     pygame.display.update()
-    fps.tick(3)
\ No newline at end of file
+    fps.tick(10)
\ No newline at end of file