auto save

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
+import random  # 导入random模块
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
@@ -16,12 +17,18 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 down = pygame.image.load('down.png')        # 头 朝下
+# 载入字体资源，调用pygame.font.Font()方法创建字体对象
+my_font = pygame.font.Font('neuropol.ttf', 18)  # 字体对象
 
 
 x, y = 240, 120
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+# 设置变量保存苹果横纵坐标
+apple_x = 360  # 苹果横坐标
+apple_y = 300  # 苹果纵坐标
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
+score = 0  # 分数
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
@@ -52,7 +59,19 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
+    # 贪吃蛇吃到了苹果
+    if x == apple_x and y == apple_y: # if判断蛇x坐标相等于苹果x坐标和蛇y坐标相等于苹果y坐标
+        num1 = random.randint(1, 22)  # 横排第几个格子
+        num2 = random.randint(1, 16)  # 竖排第几个格子
+        apple_x = num1 * 30 - 30        # 苹果的x坐标
+        apple_y = num2 * 30 - 30        # 苹果的y坐标
+        score += 10  # 分数增加10
+    else:  # 否则
+        position.pop(0)
+    # 贪吃蛇是否撞墙
+    # if判断x坐标小于0或x坐标大于630或y坐标小于0或y坐标大于450
+    if x < 0 or x > 630 or y < 0 or y > 450:
+        exit() # 结束程序运行
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
@@ -62,7 +81,12 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
 
 
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))  # 苹果坐标参数用设置的两个变量代替
+    # 绘制分数
+    info = "Score"+ str(score)  # info文本内容为score加分数
+    # 使用字体对象的render()方法参数1设置文字的内容参数，参数2True抗锯齿，参数3颜色
+    text = my_font.render(info, True, (0, 0, 0))
+    screen.blit(text, (540, 10))  # 渲染出文本字体的位置540，10
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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