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()
 
@@ -19,7 +19,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+apple_x=360
+apple_y=300
 setheading = "right"
 snake_head = right
 
@@ -53,19 +54,25 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
+    if x == apple_x and apple_y:
+        apple_x=random.randint(0,660)    
+        apple_y=random.randint(0,480)   
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
-    if x == apple_x and apple_y
+    
     
 
     for i in range(len(position)-1):
         screen.blit(body, position[i])
-
     # 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()
-    FPSCLOCK.tick(10)
\ No newline at end of file
+    FPSCLOCK.tick(9)
+
+    
+