save project

snake.py

 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -16,14 +16,14 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
-
+my_font=pygame.font.Font('neuropol.ttf',18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x=360
 apple_y=300
 setheading = "right"
 snake_head = right
-
+score=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -58,8 +58,15 @@ while True:
         num2=random.randint(1,16)
         apple_x=num1*30-30
         apple_y=num2*30-30
+        score+=10
     else:
         position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+
+    for i in range(len(position)-1):
+        if position[-1]==position[i]:
+            exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -70,6 +77,10 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
-    # 刷新画面
+    
+    info="Score"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
+    #刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file