auto save

snake.py

 import pygame
 from pygame import locals
 import random
+
 # 初始化pygame，为使用硬件做准备
 pygame.init()
+my_font = pygame.font.Font("neuropol.ttf",18)
 a_x=240
 a_y=180
 a1=0
 a2=0
-
+score=0
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
@@ -56,13 +58,17 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
     # 将背景图画上去
     if  a_x ==x and a_y ==y:
        a1=random.randint(0,21)
        a2=random.randint(0,15)
        a_x=a1*30
        a_y=a2*30
+       score+=10
+    else:
+        position.pop(0)
+    if (x,y) in position[0:-1]   :
+        break
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
@@ -72,6 +78,9 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (a_x, a_y))
-    # 刷新画面
+    # 刷新画面\
+    info="Score:"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,0))
     pygame.display.update()
     FPSCLOCK.tick(3)
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