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()
 
@@ -19,6 +19,8 @@ right = pygame.image.load('right.png')
 sethheading = 'right'
 set_head = right
 x , y = 240 , 120
+apple_x , apple_y = 360 , 300
+
 FPS=pygame.time.Clock()
 snakelist=[(180, 90),(180, 120),(210, 120),(x,y)]
 while True:
@@ -47,6 +49,10 @@ while True:
         y -= 30
     else:
         y += 30
+    screen.blit(background,(0,0))
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0.480)
     snakelist.pop(0)
     snakelist.append((x,y))
     # 将背景图画上去