save project

snake.py

@@ -14,7 +14,8 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
-x,y=240+20,120+20
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
 
 while True:
     for event in pygame.event.get():
@@ -22,11 +23,15 @@ while True:
             # 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))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(right,position[-1] )
     # 将贪吃蛇的身体画上去
+    for i in range(len(position[-1])):
+        screen.blit(boby,position[i])
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))