save project

snake.py

@@ -13,6 +13,7 @@ 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)]
 FPScolor=pygame.time.Clock()
 while True:
     for event in pygame.event.get():
@@ -20,13 +21,15 @@ 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, (x, y))
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    screen.blit(body, position[2])
+    screen.blit(body, position[1])
+    screen.blit(body, position[0])
     screen.blit(food, (360, 300))
     pygame.display.update()
     FPScolor.tick(3)
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