auto save

snake.py

@@ -6,7 +6,7 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = py .time.Clock()
+FPSCLOCK = pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
@@ -14,6 +14,7 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x, y = 240, 120
+position = [(180,90),(180,120),(210,120),(x,y)]
 
 while True:
     for event in pygame.event.get():
@@ -21,14 +22,16 @@ while True:
             # 接收到退出事件后退出程序
             exit()
     x += 30
+    position.append((x,y))
+    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(right,position[-1])
+    for i in range(len(position)-1):
+        screen.blit(body,  position[i])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+   
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面