save project

snake.py

@@ -14,11 +14,22 @@ 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
 pst=[(180,90),(180,120),(210,120),(x,y)]
 pst=[(180,90),(180,120),(210,120),(x,y)]
+shi="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()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and shi != "left":
+                shi="right"
+            if event.key==locals.K_LEFT and shi != "right":
+                shi="left"
+            if event.key==locals.K_UP and shi != "down":
+                shi="up"
+            if event.key==locals.K_DOWN and shi != "up":
+                shi="down"
+        
     x+=30
     x+=30
     pst.append((x,y))
     pst.append((x,y))
     pst.pop(0)
     pst.pop(0)