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()
@@ -16,8 +17,12 @@ 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('INKFREE.ttf', 18)  # 字体
 
+score = 0
 x, y = 240, 120
+apple_x = 360   # 苹果横坐标
+apple_y = 300   # 苹果纵坐标
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
@@ -52,7 +57,15 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+   # 贪吃蛇吃到了苹果
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(1, 22)*30-30
+        apple_y = random.randint(1, 16)*30-30
+    else:
+        position.pop(0)
+    if x > 630 or x < 0 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
@@ -60,9 +73,14 @@ while True:
     # 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, (360, 300))
+    # 将果实画上去y
+    screen.blit(food, (apple_x, apple_y))
+        # 绘制分数
+    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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