save project

snake.py

 import pygame
 from pygame import locals
-
-# 初始化pygame，为使用硬件做准备
 pygame.init()
-
-# 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
-# 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
+FPS = pygame.time.Clock()
+x , y = 240 , 120
+snakeList = [(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()
-    # 将背景图画上去
+    x += 30
     screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
-    # 将果实画上去
+    snakeList.pop(0)
+    snakeList.append((x,y))
+    screen.blit(right, (x, y))
+    for i in range(len(snakeList)-1):
+        screen.blit(body, snakeList[i])
     screen.blit(food, (360, 300))
-    # 刷新画面
     pygame.display.update()
+    FPS.tick(3)
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