auto save

snake.py

 import pygame
-
+from pygame import locals
+import random
+#from pygame.locals import *
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-??
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+screen=pygame.display.set_mode((660,480))
+#创建计时器,控制游戏速度
+FPS=pygame.time.Clock()
+
+#加载图片
+bg=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')#头朝右
+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
+apple=pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+#创建字体对象
+my_font=pygame.font.Font('neuropol.ttf',18)
+
+x,y=240,90  #初始化贪吃蛇头部的坐标
+position=[(180,60),(180,90),(210,90),(x,y)] #储存贪吃蛇身体和头部坐标
+snake_head=right    #初始化贪吃蛇头部造型
+setheading="right"  #初始化贪吃蛇朝向
+apple_x=300
+apple_y=420
+score=0
+
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        elif event.type==locals.KEYDOWN:
+            if event.key==locals.K_DOWN and setheading!="up":
+                setheading="down"
+                snake_head=down
+            if event.key==locals.K_UP and setheading !="down":
+                setheading="up"
+                snake_head=up
+            if event.key==locals.K_LEFT and setheading !="right":
+                setheading="left"
+                snake_head=left
+            if event.key==locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                snake_head=right
+            
+    #设置贪吃蛇头部坐标
+    if setheading=="right":
+        x+=30    #向右移动
+    elif setheading=="left":
+        x-=30    #向左移动
+    elif setheading=="up":
+        y-=30    #向上移动
+    else:
+        y+=30    #向下移动
+    position.append((x,y))      #追加蛇头移动后的坐标
+    if x==apple_x and y==apple_y:       #如果贪吃蛇吃到苹果，苹果移到随机位置
+        apple_x=random.randint(0,630/30)*30  
+        apple_y=random.randint(0,450/30)*30  
+        score+=10
+    else:
+        position.pop(0)             #删除最后一段身体的坐标
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+    #将背景画上去
+    screen.blit(bg,(0,0))
+    #将头部画上去
+    screen.blit(snake_head,(x,y))
+    #将身体画上去
+    '''screen.blit(body, (210, 90))
+    screen.blit(body, (180, 90))
+    screen.blit(body, (180, 60))'''
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    #将苹果画上去
+    screen.blit(apple,(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()
+    FPS.tick(3)
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