save project

snake.py

@@ -5,19 +5,24 @@ pygame.init()
 # 创建一个窗口
 screen=pygame.display.set_mode((660,480))
 FPSCLOCK=pygame.time.Clock()
-a=pygame.image.load('bg.png')
+e=pygame.image.load('bg.png')
 b=pygame.image.load('right.png')
 c=pygame.image.load('apple.png')
 d=pygame.image.load('body.png')
-x,y=240,180
+x,y=270,120
+a=[(180,120),(210,120),(240,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
            exit()
     x+=30
-    screen.blit(a,(0,0))
-    screen.blit(b,(x,y))
-    screen.blit(c,(240,120))
-    screen.blit(d,(210,180))
+    a.append((x,y))
+    a.pop(0)
+    screen.blit(e,(0,0))
+    screen.blit(b,a[-1])
+    for i in range(len(a)-1):
+        screen.blit(d,a[i])
+
+    screen.blit(c,(360,380))
     pygame.display.update()
     FPSCLOCK.tick(3)