auto save

snake.py

 import pygame
+from pygame import locals 
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
+#载入图片
+beijing = pygame.image.load('bg.png')
+apple = pygame.image.load('apple.png')
+juese = pygame.image.load('right.png')
+shenti=pygame.image.load('body.png')
 # 创建一个窗口
 screen=pygame.display.set_mode((660,480))
+FPS=pygame.time.Clock() #pygame时钟，设置游戏速度（帧数）
 
+x,y =240,120
+zuobiao=[(180,90),(180,120),(210,120),(x,y)]#身体和头的坐标库
 while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 退出程序
+            exit()
+        if event.type == locals.KEYDOWN:
+            if event == locals.K_RIGHT and setheading !='left':
+                setheading='right'
+            if event == locals.K_LEFT and setheading !='right':
+                setheading='left'
+            if event == locals.K_UP and setheading !='down':
+                setheading='up'
+            if event == locals.K_DOWN and setheading !='up':
+                setheading='down'
+    #向右走
+    x +=30
+    zuobiao.append((x,y))#增加一个头的坐标进入列表
+    zuobiao.pop(0)#删掉第一个坐标
+
+
+
+    #将背景画上去
+    screen.blit(beijing,(0,0))
+    #把头画上去
+    screen.blit(juese,zuobiao[-1])
+    #把身体画上去
+    for i in range(len(zuobiao)-1):
+        screen.blit(shenti,zuobiao[i])
+    #把苹果画上去
+    screen.blit(apple,(0,60))
+
+    #刷新画面
+    pygame.display.update()
+    FPS.tick(2)
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