save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -22,6 +23,7 @@ x,y=240, 120
 z=[(180, 90),(180, 120),(210, 120),(x,y)]
 fx='right'
 fx_t=right
+apple_x,apple_y=360, 300
 
 while True:
     for event in pygame.event.get():
@@ -53,6 +55,11 @@ while True:
         y+=30
     else:
         y-=30
+    
+    if apple_x==x and apple_y==y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
+
     z.pop(0)
     z.append((x,y))
     # 将背景图画上去
@@ -63,7 +70,7 @@ while True:
     for i in range(len(z)-1):
         screen.blit(body,z[i])
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x,apple_y))
    
     f.tick(3)