auto save

snake.py

@@ -15,11 +15,34 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y = 240,120
 oo=[(180,90),(180,120),(210,120),(x,y)]
+setheading = "right"
+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.KEY_RIGHT and setheading !="right"  
+                setheading='right'
+                snake_head = right
+            if event.key == locals.KEY_LEFT and setheading !="left"  
+                setheading='left'  
+                snake_head = left  
+            if event.key == locals.KEY_UP and setheading !="up"  
+                setheading='up' 
+                snake_head = up   
+            if event.key == locals.KEY_DOWN and setheading !="down"  
+                setheading='down'    
+                snake_head = down
+    if setheading == "right"   
+        x +=30
+    elif setheading == "left":
+        x-=30            
+    elif setheading == "up" :
+        y-=30
+    else:
+        y+=30      
         x+=30
         oo.append((x,y))
         oo.pop(0)
@@ -29,9 +52,10 @@ while True:
     screen.blit(right, (x, y))
     # 将贪吃蛇的身体画上去
     for i in range (len(oo)-1):
-        screen.blit(body,oo[i])
+        screen.blit(body,oo[i]) 
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    qq.tick(3)
\ No newline at end of file
+    qq.tick(3)
+    
\ No newline at end of file