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()
 FPSCLOCK = pygame.time.Clock()
@@ -18,6 +18,8 @@ down = pygame.image.load('down.png')
 
 x, y = 240, 120
 position=[(180,90),(180,120),(210,120),(x,y)]
+apple_x = 360
+apple_y = 300
 
 setheading = "right"
 snake_head = right
@@ -25,10 +27,9 @@ snake_head = right
 while True:
     for event in pygame.event.get():
         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.key == locals.K_RIGHTN and setheading !="left"
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading !="left":
                 setheading = 'right'
                 snake_head = right
             if event.key == locals.K_LEFT and setheading !="right":
@@ -48,7 +49,11 @@ while True:
         y -= 30
     else:
         y += 30
-    position.appened((x,y))
+    position.append((x,y))
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)
+
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -58,7 +63,7 @@ while True:
     for i in range(len(position)-1):
         screen.blit(body,position[i])
          
-    screen.bilt(food,(360,300))
-    pygame.di
+    screen.blit(food, (apple_x, apple_y))
+    pygame.display.update()
     FPSCLOCK.tick(3)
     
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