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()
 
@@ -20,9 +20,10 @@ down = pygame.image.load('down.png')        # 头 朝下
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
+apple_x,apple_y=360,360
 setheading = "right"
 snake_head = right
-
+Score=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -52,17 +53,28 @@ while True:
     else:
         y += 30
     position.append((x, y))
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        exit()
     position.pop(0)
+    if apple_x==x and apple_y==y:
+        apple_x=random.randint(1,22)*30-30
+        apple_y=random.randint(1,16)*30-30
+        Score+=10
+        position.insert(0,(position[0]))
     # 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])
-
+    my_font=pygame.font.Font("neuropol.ttf",18)
+    info="Score"+str(Score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)