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()
 
@@ -17,6 +17,7 @@ body = pygame.image.load('body.png')
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 apple_x=360
+apple_y=300
 apple_head=360
 
 setheading='right'
@@ -30,12 +31,16 @@ while True:
         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":
                 setheading='left'
+                snake_head=left
             if event.key==locals.K_UP and setheading !="down":
                 setheading='up'
+                snake_head=up
             if event.key==locals.K_DOWN and setheading !="up":
                 setheading='down'
+                snake_head=down
 
     if setheading=="right":
         x+=30
@@ -48,7 +53,7 @@ while True:
     
     position.append((x,y))
    
-   if x==apple_x and y==apple_y
+    if x==apple_x and y==apple_y:
         apple_x=random.randint(0,660)
         apple_y=random.randint(0,480)