save project

snake.py

@@ -2,19 +2,26 @@ import pygame
 from pygame import locals
 pygame.init()#初始化pygame
 screen = pygame.display.set_mode((660,480))#创建窗口
+FPSCLOCK = pygame.time.Clock()
 #导入图片
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 apple = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+x = 210
+y = 120
 while True:#永久存在
     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
-            exit()#退出 
+            exit()#退出
+    x += 30        
+    #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(right,(210,120))
+    screen.blit(right,(x,y))
     screen.blit(apple,(30,30))
     screen.blit(body,(180,120))
     screen.blit(body,(150,120))
-    screen.blit(body,(150,80)) 
-    pygame.display.update()        
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+    screen.blit(body,(150,90)) 
+    #刷新窗口
+    pygame.display.update()
+    FPSCLOCK.tick(3)        
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