save project

snake.py

@@ -5,22 +5,27 @@ pygame.init()
 
 # 创建一个窗口
 screen=pygame.display.set_mode((660,480))
+
+
 FPSCLOCK = pygame.time.Clock()
 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
+position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
     x+=30
+    position.append((x,y))
+    position.pop(0)
     screen.blit(background,(0,0))
-    screen.blit(right,(x,y))
-    screen.blit(body,(210,120))
-    screen.blit(body,(180,120))
-    screen.blit(body,(180,90))
+    screen.blit(right,position[-1])
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+
     screen.blit(food,(360,300))
     pygame.display.update()
     FPSCLOCK.tick(3)
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