auto save

snake.py

 import pygame
-from pygame import locals
-
-# 初始化pygame，为使用硬件做准备
+from pygame import locals#locals为pygame子模块(必写)
+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),flags=0,depth=0,display=0)
+FPSLOCK=pygame.time.Clock()
+#背景
+background=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+food=pygame.image.load('apple.png')
+body=pygame.image.load('body.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+#my_font=pygame.image.Font('neuropol.ttf',18)#字体
 
-# 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
-food = pygame.image.load('apple.png')       # 食物 苹果
-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
-
-x, y = 240, 120
+x,y=240,120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+a_x=360
+a_y=300
 
-setheading = "right"
-snake_head = right
+setheading='right'
+snake_head=right
+score=0
 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
+            #接收到退出事件后退出程序
             exit()
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT and setheading != "left":
-                setheading = 'right'
-                snake_head = right
-            if event.key == locals.K_LEFT and setheading != "right":
-                setheading = 'left'
-                snake_head = left
-            if event.key == locals.K_UP and setheading != "down":
-                setheading = 'up'
-                snake_head = up
-            if event.key == locals.K_DOWN and setheading != "up":
-                setheading = 'down'
-                snake_head = down
-
-    # 设置贪吃蛇的头部坐标
-    if setheading == "right":
-        x += 30
-    elif setheading == "left":
-        x -= 30
-    elif setheading == "up":
-        y -= 30
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading != 'left':
+                setheading='right'
+            if event.key==locals.K_LEFT and setheading != 'right':
+                setheading='left'
+            if event.key==locals.K_UP and setheading != 'down':
+                setheading='up'
+            if event.key==locals.K_DOWN and setheading != 'up':
+                setheading='down'
+    #设置贪吃蛇的头部坐标
+    if setheading=='right':
+        x+=30
+    elif setheading=='left':
+        x-=30
+    elif setheading=='up':
+        y-=30
+    else:
+        y+=30
+    position.append((x,y))
+    #刷新苹果
+    if x==a_x and y==a_y:
+        score+=1
+        nx=random.randint(1,22)
+        ny=random.randint(1,16)
+        a_x=nx*30-30
+        a_y=ny*30-30
     else:
-        y += 30
-    position.append((x, y))
-    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
+        position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+    #将背景画上去
+    screen.blit(background,(0,0))
+    #将贪吃蛇画上去
+    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, (360, 300))
-    # 刷新画面
+        screen.blit(body,position[i])
+    #将果实画上去
+    screen.blit(food,(a_x,a_y))
+    #绘制分数
+    #info='Score:'+str(score)
+    #text=my_font.render(info,Ture,(0,0,0))
+    #screen.blit(text,(540,10))
+    #刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
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+    FPSLOCK.tick(3)
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