auto save

snake.py

@@ -12,16 +12,35 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
-left=pygame.image.loaad('left.png')
-up=pygame.image.loaad('up.png')
-down=pygame.image.loaad('down.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+x,y=240,120
+
+
+
 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.type==locals.KEYDOWN:
-                
+                if event.key==locals.K_DOWN and setheading != "up":
+                    setheading='up'
+                if event.key==locals.K_DOWN and setheading != "down":
+                    setheading='down'
+                if event.key==locals.K_DOWN and setheading != "left":
+                    setheading='left'
+                if event.key==locals.K_DOWN and setheading != "right":
+                    setheading='right'
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30  
+    elif setheading=="down":
+        y+=30
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去