save project

kkk.py

+if event.key ==locals.K_RIGHT and setheading!="right"：
+    setheading=right
+    snake_head=right
+if event.key ==locals.K_LEFT and setheading!="left"：
+    setheading=left
+    snake_head=left
+if event.key ==locals.K_UP and setheading!="up"：
+    setheading=up
+    snake_head=up
+if event.key ==locals.K_DOWN and setheading!="down"：
+    setheading=down
+    snake_head=down
\ No newline at end of file

snake.py

@@ -14,29 +14,50 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.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')
-
+left = pygame.image.load('left.png')
 
 x,y=240,120
 
-position=[(210, 120),(180, 120),(180, 90),(x,y)]
+setheading=0
+snake_head=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
+        if event.key ==locals.K_RIGHT and setheading!="right"：
+    setheading=right
+    snake_head=right
+    if event.key ==locals.K_LEFT and setheading!="left"：
+        setheading=left
+        snake_head=left
+    if event.key ==locals.K_UP and setheading!="up"：
+        setheading=up
+        snake_head=up
+    if event.key ==locals.K_DOWN and setheading!="down"：
+        setheading=down
+        snake_head=down
+
             # 接收到退出事件后退出程序
             exit()
     # 将背景图画上去
     x+=30
-    position.append(x,y)
-    position.pop(0)
+    if setheaing right:
+        right +=30
+    elif setheaing legt:
+        left -=30
+    elif setheaing up:
+        up +=30
+    else: 
+        setheaing down:
+        down +=30
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right,(x,y))
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(right,position[-1 ])
+    screen.blit(body, (210, 120))
+    screen.blit(body, (180, 120))
+    screen.blit(body, (180, 90))
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面