save project

snake.py

@@ -14,7 +14,7 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x=120
 y=120
-
+position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -24,12 +24,13 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
-
+    x=x+30
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(right,position[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (x-30, y))
-    screen.blit(body, (x-60, y))
-    screen.blit(body, (x-90, y))
+    for i in range(len(position)):
+        screen.blit(body,position[-1])
     # 将果实画上去
     screen.blit(food, (360, 300))
     x = x + 30