auto save

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
+import random
 
 
 # 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()
@@ -8,7 +9,7 @@ pygame.init()
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 
 
-# 背景
+# 加载图片
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')           # 头 朝右
 right = pygame.image.load('right.png')           # 头 朝右
 food = pygame.image.load('apple.png')            # 食物 苹果
 food = pygame.image.load('apple.png')            # 食物 苹果
@@ -16,12 +17,16 @@ 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
+my_font = pygame.font.Font("neuropol.ttf",20)    #字体
 
 
 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)]
+apple_x = 360
+apple_y = 300
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
+score = 0
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
@@ -52,7 +57,21 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
+
+    #贪吃蛇吃到苹果
+    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 += 1
+    else:
         position.pop(0)
         position.pop(0)
+
+    #撞墙检测
+    if x < 0 or x > 650 or y < 0 or y > 450:
+        exit()
+
     # 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 +81,13 @@ 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))
+
+    #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
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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