save project

snake.py

@@ -12,7 +12,9 @@ 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
+pos = [(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -20,16 +22,21 @@ while True:
             exit()
     # 将背景图画上去
     x += 30
+    pos.append((x,y))
+    pos.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     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))
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])
+    #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()
     
-    FPS.tick()
\ No newline at end of file
+    FPS.tick(3)
\ No newline at end of file