auto save

snake.py

@@ -18,12 +18,32 @@ FPS = pygame.time.Clock()
 x,y = 240,120
 pos = [(180,90),(180,120),(210,120),(x,y)]
 
+setheading="right"
+
 while True:
     for event in pygame.event.get():
+        print(event)
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x+=30
+        if event.type == locals.KEYDOWN:
+            if event.key==locals.K_UP and setheading!="down":
+                setheading="up"
+            if event.key==locals.K_DOWN and setheading!="up":
+                setheading="down"
+            if event.key==locals.K_RIGHT and setheading!="left":
+                setheading="right"
+            if event.key==locals.K_LEFT and setheading!="right":
+                setheading="left"
+
+    if setheading=="up":
+        y-=30
+    if setheading=="down":
+        y+=30
+    if setheading=="left":
+        x-=30
+    if setheading=="right":
+        x+=30
     pos.append((x,y))
     pos.pop(0)
     # 将背景图画上去