save project

snake.py

@@ -12,8 +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 = [(180,60),(180,90),(180,120),(210,120),(x,y)]
+
 clock = pygame.time.Clock()
 
 while True:
@@ -24,16 +25,17 @@ while True:
     # 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,pos[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (x-30, y))
-    screen.blit(body, (x-60, y))
-    screen.blit(body, (x-90, y))
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     
     # 刷新画面
     x += 30
-    
+    pos.append((x,y))
+    pos.pop(0)
+
     pygame.display.update()
     clock.tick(3)
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