save project

snake.py

@@ -12,7 +12,7 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-lift = pygame.image.load('left.png')
+left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
 x,y=240,120
@@ -29,14 +29,14 @@ while True:
                 setheading='right'
                 snake_head=right
             if event.key==locals.K_LEFT and setheading !='right':
-                    setheading='left'
-                    snake_head=right
+                setheading='left'
+                snake_head=left
             if event.key==locals.K_UP and setheading !='down':
-                    setheading='up'
-                    snake_head=right
+                setheading='up'
+                snake_head=up
             if event.key==locals.K_DOWN and setheading !='up':
-                    setheading='down'
-                    snake_head=right
+                setheading='down'
+                snake_head=down
     if setheading=='right':
         x+=30
     elif setheading=='left':
@@ -50,7 +50,7 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x,y))
+    screen.blit(snake_head, (x,y))
 
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):