save project

snake.py

@@ -2,26 +2,31 @@ import pygame
 from pygame import locals
 from pygame import locals
 pygame.init()#初始化pygame
 pygame.init()#初始化pygame
 screen = pygame.display.set_mode((660,480))#创建窗口
 screen = pygame.display.set_mode((660,480))#创建窗口
-FPSCLOCK = pygame.time.Clock()
+FPSCLOCK = pygame.time.Clock()#设置计时器
 #导入图片
 #导入图片
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 apple = pygame.image.load('apple.png')
 apple = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
-x = 210
+x = 210#设置定量
 y = 120
 y = 120
+weizhi = [(180,120),(150,120),(150,90),(x,y)]#创建列表
 while True:#永久存在
 while True:#永久存在
     for event in pygame.event.get():#遍历pygame中的事件
     for event in pygame.event.get():#遍历pygame中的事件
         if event.type == locals.QUIT:#如果是退出事件，QUIT其实是一个常量，ctcl+鼠标点locals可以查看
         if event.type == locals.QUIT:#如果是退出事件，QUIT其实是一个常量，ctcl+鼠标点locals可以查看
             exit()#退出
             exit()#退出
     x += 30
     x += 30
+    weizhi.append((x,y))#增加新坐标，是坐标不是索引
+    weizhi.pop(0)#删除旧坐标        
     #渲染图片，后为坐标，左上角为0，0，一小格左上角坐标为30的倍数         
     #渲染图片，后为坐标，左上角为0，0，一小格左上角坐标为30的倍数         
     screen.blit(background,(0,0))  
     screen.blit(background,(0,0))  
     screen.blit(right,(x,y))
     screen.blit(right,(x,y))
     screen.blit(apple,(30,30))
     screen.blit(apple,(30,30))
-    screen.blit(body,(180,120))
-    screen.blit(body,(150,120))
-    screen.blit(body,(150,90)) 
+    for i in range(len(weizhi)-1):
+        screen.blit(body,weizhi[i])
+    #screen.blit(body,(180,120))
+    #screen.blit(body,(150,120))
+    #screen.blit(body,(150,90)) 
     #刷新窗口
     #刷新窗口
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(3)        
+    FPSCLOCK.tick(3)#控制帧数不超过3        
\ No newline at end of file