save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+from pygame import time
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 
 
+FPSCLOCK = pygame.time.Clock()
+
+
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
@@ -16,17 +19,19 @@ body = pygame.image.load('body.png')
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         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
+                # 收到退出事件后退出程序
+                exit()
+        # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
+        # 将贪吃蛇画上去
     screen.blit(right, (240, 120))
     screen.blit(right, (240, 120))
-    # 将贪吃蛇的身体画上去
+        # 将贪吃蛇的身体画上去
     screen.blit(body, (210, 120))
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     screen.blit(body, (180, 90))
-    # 将果实画上去
+        # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
-    # 刷新画面
-    pygame.display.update()
+        # 刷新画面
+        
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.time(3)
\ No newline at end of file