save project

snake.py

@@ -12,6 +12,8 @@ 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
+l = [(180,90),(180,120),(210,120),(x,y)]
 
 while True:
     for event in pygame.event.get():
@@ -19,14 +21,21 @@ while True:
             # 接收到退出事件后退出程序
             exit()
     # 将背景图画上去
+    x += 30
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    l.append((x,y))
+    l.pop(0)
+    for i in range(len(l)-1):
+        screen.blit(body,l[i])
+    screen.blit(right, ((x, y))
     # 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))
+    #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
     pygame.display.update()
+    a=pygame.time.Clock()
+    a.tick(3)
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