save project

snake.py

+
+
 import pygame
 from pygame import locals
 
@@ -13,16 +15,28 @@ 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
 a=[(180,90),(180,120),(210,120),(x,y)]
+setheading='right'
+snake_head=raight
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        x +=30 
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading !="left":
+                setheading = "right"    
+        
+        
         a.append((x,y)) 
-        a.pop(0)  
+        a.pop(0)
+    if a_x==x and a_y==y:
+       a_x=random.randint(0,22)
+       a_y=random.randint(0,16)       
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -34,4 +48,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-wb.tick(3)    
\ No newline at end of file
+wb.tick(3)       
\ No newline at end of file