save project

snake.py

 import pygame
+
 from pygame import locals
+
 import random
 
 # 初始化pygame，为使用硬件做准备
@@ -17,18 +19,23 @@ 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
+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:
+
             # 接收到退出事件后退出程序
             exit()
+
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = 'right'
@@ -52,21 +59,38 @@ while True:
         y -= 30
     else:
         y += 30
+
     position.append((x, y))
-    if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+
+
+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1,22)
+        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()
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
+
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
+
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (apple_x, apple_y))
+    screen.blit(food, (apple_x,apple_y))
+    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)
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