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()
-
 # 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）
-
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
@@ -21,11 +18,9 @@ my_font=pygame.font.Font('neuropol.ttf',18)
 x, y = 240, 120
 apple_x,apple_y = 360,300
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
 setheading = "right"
 snake_head = right
 score=0
-
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -44,7 +39,8 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -60,17 +56,17 @@ while True:
         num2 = random.randint(1,16)
         apple_x=num1*30-30
         apple_y=num2*30-30
+        score+=10
     else:
         position.pop(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])
-    
-
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面
@@ -79,4 +75,3 @@ while True:
     screen.blit(text,(540,10))
     pygame.display.update()
     FPSCLOCK.tick(3)
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-    
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