auto save

snake.py

@@ -14,14 +14,32 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 x,y=240,120
 x,y=240,120
 
 
-position=[(180,90),(180,120),(210,120),(x,y)]
+position=[(150,90),(180,120),(210,120),(x,y)]
+
+setheading='right'
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-    x+=30
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading !='left':
+                setheading ="right"
+            if event.key == locals.K_LEFT and setheading !='right':
+                setheading ="left"
+            if event.key == locals.K_UP and setheading !='down':
+                setheading ="up"
+            if event.key == locals.K_DOWN and setheading !='up':
+                setheading ="down"
+    if setheading == "right":
+        x+=30
+    if setheading == "left":
+        x-=30
+    if setheading == "up":
+        y-=30
+    if setheading == "down":
+        y+=30
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)