auto save

snake.py

 import pygame
 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
 
 
+#  载入背景图片
+background = pygame.image.load('bg.png')
+foot = pygame.image.load('apple.png')  #食物
+right = pygame.image.load('right.png')  #头朝右
+boby = pygame.image.load('body.png') #身体
+
 # 创建一个窗口
 # 创建一个窗口
-pygame.display.set_mode((660,480))
+screes = pygame.display.set_mode((660,480))
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+FPSCLOCK = pygame.time.Clock() #设置渲染延时
+x = 360
+y = 300
+position = [(270,300),(300,300),(330,300),(x,y)]
+setheading = "right"
+while True:
+    for event in pygame.event.get():#获取pygame的监听事件遍历
+        print(event)
+        if event.type== locals.QUIT:
+            exit()
+        if event.type == locals.KEYDOWN:#侦测是否按下键盘
+            if event.key == locals.K_RIGHT and setheading !="left":
+                setheading = "right"
+            if event.key == locals.K_LEFT and setheading !="right":
+                setheading = "left"
+            if event.key == locals.K_UP and setheading !="down":
+                setheading == "up"
+            if event.key == locals.K_DOWN and setheading !="up":
+                setheading == "dowm"
+
+    if setheading =="right":
+        x = x+30
+    elif setheading =="left":
+        x = x-30
+    elif setheading =="down":
+        y = y-30
+    else:
+        y = y+30
+    #将图片渲染上去
+    
+    position.append((x,y))
+    position.pop(0)
+    screes.blit(background,(0,0))
+    screes.blit(foot,(240,120))
+    screes.blit(right,(x,y))
+    # screes.blit(boby,(330,300))
+    # screes.blit(boby,(300,300))
+    # screes.blit(boby,(300,270))
+
+    for i in range(len(position)-1):
+        screes.blit(boby,position[i])
+
+    #刷新整个窗口
+    pygame.display.update()
+    FPSCLOCK.tick(3)
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