save project

snake.py

@@ -7,6 +7,7 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 
+FPSCLOCK = pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
@@ -20,7 +21,7 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x += 0.5
+    x += 1
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -33,3 +34,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+    FPSCLOCK.tick(30)
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