auto save

snake.py

@@ -7,19 +7,43 @@ pygame.init()
 bodys=[(180, 90),(180, 120),(210, 120), (x,y)]
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 F=pygame.time.Clock()
-
+T="right"
+snack_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.K_LEFT and T!="right":
+                T="left"
+                snack_head=left
+            if event.key==locals.K_RIGHT and T!="left":
+                T="right"
+                snack_head=right
+            if event.key==locals.K_UP and T!="down":
+                T="up"
+                snack_head=up
+            if event.key==locals.K_DOWN and T!="up":
+                T="down"
+                snack_head=down
+    if T=="right":
+        x+=30
+    if T=="left":
+        x-=30
+    if T=="up":
+        y-=30
+    if T=="down":
+        y+=30
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -32,9 +56,8 @@ while True:
     screen.blit(food, (360, 300))
     for i in range(len(bodys)-1):
         screen.blit(body,bodys[i])
-    x+=30
-    bodys.pop(0)
     bodys.append((x,y))
+    bodys.pop(0)
     F.tick(5)
     # 刷新画面
     pygame.display.update()