save project

snake.py

@@ -13,14 +13,22 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+
 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
+    position.append[(x,y)]
+    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
+    screen.blit(right,position[-1])
+    
+
     # 将贪吃蛇画上去
     screen.blit(right, (240, 120))
     # 将贪吃蛇的身体画上去
@@ -31,3 +39,23 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+
+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_DOWN and setheading !="up"
+    setheading = DOWN
+    snake_head = DOWN
+    if event.key == locals.k_UP and setheading !="down"
+    setheading = up
+    snake_head = up
+if setheading = "right"
+
+if setheading = "left"
+
+if setheading = "down"
+
+if setheading = "up"
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