save project

snake.py

@@ -4,19 +4,25 @@ from pygame import locals
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
+FPSCLOCK = pygame.time.Clock()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()
 
 # 背景
 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')
 
 x, y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
+
 setheading="right"
+snake_head = right
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -25,12 +31,17 @@ while True:
     if event.type == locals.KEYDOWN:
         if event.key == locals.K_RIGHT and setheading !="left":
             setheading = 'right'
+            snake_head = right
         if event.key == locals.K_LEFT and setheading !="right":
             setheading ='left'
+            snake_head = left
         if event.key ==locals.K_UP and setheading !="down":
             setheading = "up"
+            snake_head = up
         if event.key == locals.K_DOWN and setheading !="up":
             setheading = 'down'
+            snake_head = down
+    
    
     if setheading == "right":
         x += 30
@@ -45,7 +56,7 @@ 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(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])