auto save

snake.py

@@ -28,29 +28,41 @@ while True:
             if event.key==locals.K_RIGHT and setheading!="left":
                 setheading="right"
                 sneke_head=right
+                x+=30
+                position.append((x,y))
+                position.pop(0)
             if event.key==locals.K_LEFT and setheading!="right":
                 setheading="left"
                 snake_head=left
+                x-=30
+                position.append((x,y))
+                position.pop(0)
             if event.key==locals.K_UP and setheading!="down":
                 setheading="up"
                 snake_head=up
+                y-=30
+                position.append((x,y))
+                position.pop(0)
             if event.key==locals.K_DOWN and setheading!="up":
                 setheading="down"
                 snake_head=down
+                y+=30
+                position.append((x,y))
+                position.pop(0)
             
     
     
-    if setheading=="right":
-        x+=30
-    if setheading=="left":
-        x-=30
-    if setheading=="down":
-        x+=30
-    if setheading=="up":
-        y-=30
+    #if setheading=="right":
+        #x+=30
+    #if setheading=="left":
+        #x-=30
+    #if setheading=="down":
+        #x+=30
+    #if setheading=="up":
+        #y-=30
          
-    position.append((x,y))
-    position.pop(0)
+    #position.append((x,y))
+    #position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去