save project

snake.py

@@ -12,12 +12,11 @@ screen = pygame.display.set_mode((660, 480))
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 body = pygame.image.load('body.png')
 
-p=[(180,90),(180,120),(210,120),(x,y)]
 setheading ="right"
 snake_head =right
 
@@ -38,7 +37,7 @@ while True:
                 snake_head=up
             if event.key==locals.K_DOWN and setheading !="up":
                 setheading="down"
-                snake_head=dowm
+                snake_head=down
             
             
     if setheading == "right":
@@ -47,17 +46,17 @@ while True:
         x-=30
     elif setheading =="up":
         y-=30
-    else:
+    elif setheading =="down":
         y+=30
             
 
-    x=x+30
+    
     p.append((x,y))
     p.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(snake_head, p[-1])
+    screen.blit(snake_head, (x,y))
     # 将贪吃蛇的身体画上去
     for i in range(len(p)-1):
         screen.blit(body,p[i])