save project

snake.py

@@ -7,31 +7,36 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 
+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
-x,y = 240,120
-long = [(210, 120),(180, 120),(180, 90),(x,y)]
+x, y = 240, 120
+long = [(180,90),(180,120),(210,120),(x,y)]
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x+=30
-    long.append(x,y)
+    x += 30   #
+    long.append((x,y))
     long.pop(0)
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (240,long[-1])
+    # 将贪吃蛇的头画上去
+    screen.blit(right, long[-1])  #
+
     # 将贪吃蛇的身体画上去
-    for i in range(len(long)-1)
-        screen.blit(body,long[i])
-   
+    for i in range(len(long)-1):
+        screen.blit(body, long[i])
+
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file