save project

snake.py

@@ -12,21 +12,45 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+right = pygame.image.load('right.png')
+
 x,y =240,120
 buckethead=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
 bucket=pygame.time.Clock()
 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.key == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                ghj="right"
+        if event.key == locals.K_LEFT and setheading !="right":
+                setheading='left'
+                ghj=left
+        if event.key == locals.K_UP and setheading !="down":
+                setheading='up'
+                ghj=up
+        if event.key == locals.DOWN and setheading !="up":
+                setheading='down'
+                ghj=down
+        if event.key == locals.K_RIGHT and !="left"
+                setheading='right'
+                ghj="right"
+                
+
+
     x += 30
     buckethead.append((x,y))
     buckethead.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, buckethead(-1)
+    screen.blit(right, buckethead[-1])
 
     # 将贪吃蛇的身体画上去
     for i in range(len(buckethead)-1):