save project

snake.py

@@ -13,10 +13,14 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
 
 x,y=240,120
 position=[(210, 120),(180, 120),(180, 90),(x,y)]
 setheading="right"
+seti=right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -25,12 +29,16 @@ while True:
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_RIGHT and setheading !="left":
                 setheading='right'
+                seti=right
             elif event.key==locals.K_UP and setheading !="down":
                 setheading='up'
+                seti=up
             elif event.key==locals.K_LEFT and setheading !="right":
                 setheading='left'
+                seti=left
             elif event.key==locals.K_DOWN and setheading !="up":
                 setheading='down'
+                seti=down
     if setheading=='down':
         y+=30
     elif setheading=='up':
@@ -45,7 +53,7 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, position[-1])
+    screen.blit(seti, position[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
@@ -54,4 +62,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    FRSCLOCK.tick(3)
\ No newline at end of file
+    FRSCLOCK.tick(9)
\ No newline at end of file