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)]
-
+X=360
+Y=300
 setheading = "right"
 snake_head = right
 
@@ -28,7 +29,7 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        if event.type == locals.KEYDOWN:
+        if event.type == lcals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = 'right'
                 snake_head = right
@@ -41,7 +42,7 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
+    
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -51,6 +52,10 @@ while True:
         y -= 30
     else:
         y += 30
+    if X==x and Y==y:
+        X=random.randint(0,660)
+        Y=random.randint(0,480)
+        
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去
@@ -63,6 +68,7 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (360, 300))
+    
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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