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()
@@ -22,6 +23,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
+apple_x = 360
+apple_y = 300
 
 while True:
     for event in pygame.event.get():
@@ -53,9 +56,10 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
-    if x == apple_x and apple_y:
+    if x == apple_x and y == apple_y:
         apple_x=random.randint(1,22)*30-30
         apple_y=random.randint(1,16)*30-30
+        
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -65,7 +69,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screenaw.blit(food, (360, 300))
+    screen.blit(food,(apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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