save project

snake.py

@@ -13,13 +13,34 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 apple = pygame.image.load('apple.png')
 apple = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 FPS=pygame.time.Clock()
 FPS=pygame.time.Clock()
 a=[(180,90),(180,120),(210,120),(x,y)]
 a=[(180,90),(180,120),(210,120),(x,y)]
+b='right'
+c=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 b !="left":
+                b='right'
+                c=right
+            if event.key==locals.K_LEFT and b !="right":
+                b='left'
+                c=left
+            if event.key==locals.K_DOWN and b!="up":
+                b='down'
+                c=down
+            if event.key==locals.K_UP and b!="down":
+                b='up'
+                c=up
+
+
+
     x+=30
     x+=30
     a.append((x,y))
     a.append((x,y))
     a.pop(0)
     a.pop(0)