贪吃蛇游戏（C语言）（在Dev c++、vc中运行通过）

说明

根据网上别人的代码经过改编在大一计算机实训时写的，其中较难理解的应该是句柄，需要自己网上查找资料

代码及注释

#include<stdio.h>#include<conio.h>#include<windows.h>#include<time.h>#define framex 5#define framey 5#define wide 20#define high 20int i,j,a[2];//将光标移动到指定位置 void gotoxy(HANDLE hout,int x,int y){    //COORD是WindowsAPI中定义的一种结构，表示一个字符在控制台屏幕上的坐标    COORD pos;    pos.X=x;    pos.Y=y;    //SetConsoleCursorPosition是API中定位光标位置的函数。    SetConsoleCursorPosition(hout,pos);}//游戏封面void cover (HANDLE hout){    gotoxy(hout,framex+wide,framey);    printf("欢迎使用贪吃蛇游戏1.2");    gotoxy(hout,framex+wide,framey+5);    printf("开始游戏前请关闭中文输入法");    gotoxy(hout,framex+wide*2,framey+20);    printf( "游戏制作者：Lin");     gotoxy(hout,framex+wide*2,framey+22);    printf("制作时间：2016年12月");     char a;    a=getchar();    system("cls");} //定义蛇的结构体 struct  Snake{    int x[100];    int y[100];    int speed;    int length;    int count;};//定义食物的结构体 struct Food{    int x;    int y;};//制作框架 void makeframe(struct Snake snake){    //定义显示器变量句柄     HANDLE hout=GetStdHandle(STD_OUTPUT_HANDLE);    gotoxy(hout,framex+wide*2+5,framey);    printf( "   贪吃蛇游戏");     gotoxy(hout,framex+wide*2+5,framey+3);    printf("使用方向键或wasd移动");    gotoxy(hout,framex+wide*2+5,framey+5);    printf("长按方向键可加速");    gotoxy(hout,framex+wide*2+5,framey+7);    printf("按任意键暂停,方向键继续");    //打印上边框     for(i=0;i<wide*2+1;i++){        gotoxy(hout,framex+i,framey);        printf("*");    }    //打印下边框     for(i=0;i<wide*2+2;i++){        gotoxy(hout,framex+i,framey+high);        printf("*");    }    //打印左边框     for(i=0;i<high;i++){        gotoxy(hout,framex,framey+i);        printf("*");    }    //打印右边框     for(i=0;i<high;i++){        gotoxy(hout,framex+wide*2+1,framey+i);        printf("*");    }}//游戏信息void infor(HANDLE hout,struct Snake* snake){    gotoxy(hout,framex+wide*2+5,framey+15);    printf("当前速度:%d",-snake->speed+500);    gotoxy(hout,framex+wide*2+5,framey+17);    printf("当前得分:%d",snake->count);    gotoxy(hout,framex+wide*2+5,framey+19);    printf("当前长度:%d",snake->length);} //初始化蛇 void initsnake(struct Snake *snake){    snake->x[0]=framex+2;    snake->y[0]=framey+high/2;    snake->count=0;    snake->length=3;    snake->speed=400;    //初始化由蛇尾至蛇头的坐标     for(i=1;i<snake->length;i++){        snake->x[i]=snake->x[i-1]+1;        snake->y[i]=snake->y[i-1];    }}//打印蛇 void printsnake(HANDLE hout ,struct Snake *snake){    for(i=0;i<snake->length;i++){        gotoxy(hout,snake->x[i],snake->y[i]);        if(i==snake->length-1)             printf("头");        else if(i==0)            printf("尾");        else             printf("身");     }}//移动蛇 void movesnake(HANDLE hout,struct Snake *snake){    gotoxy(hout,snake->x[0],snake->y[0]);    //清除蛇尾     printf("  ");    //蛇的后一节坐标变成前一节的坐标     for(i=1;i<snake->length;i++){        snake->x[i-1]=snake->x[i];        snake->y[i-1]=snake->y[i];    }}//打印食物 void printfood (HANDLE hout,struct Snake *snake,struct Food* food){    //用计算机时间获取随机值     srand((unsigned)time(NULL));    while(1){        //将食物的横纵坐标的大小限定在窗口大小内         food->x=rand()%(wide-2)+1;        food->y=rand()%(high-2)+1;        //避免食物出现在边框上         if(food->x==0&&food->y==0)            continue;        //将食物的坐标放置在窗口内         food->x=2*food->x+framex;        food->y+=framey;        //如果食物出现在蛇上，重新产生食物         for(i=0;i<snake->length;i++){            if(food->x==snake->x[i]&&food->y==snake->y[i])                break;        }        //食物不在蛇上，打印食物，结束循环         if(i==snake->length){            gotoxy(hout,food->x,food->y);            printf("食");            break;          }    }}//吃食物 void eatfood(HANDLE hout,struct Snake * snake,struct Food *food){    //如果蛇头的坐标等于食物的坐标     if(snake->x[snake->length-1]==food->x&&snake->y[snake->length-1]==food->y){        //蛇长加一         snake->length++;        //蛇身（不包括蛇尾）整体像前移动一格         for(i=snake->length-1;i>0;i--){            snake->x[i]=snake->x[i-1];            snake->y[i]=snake->y[i-1];        }        //得到蛇尾的坐标（即蛇移动前的蛇尾坐标）         snake->x[0]=a[0];              snake->y[0]=a[1];        printfood(hout,snake,food);        snake->count++;        if(snake->count%3==0)            snake->speed-=50;    }}//死亡判断 int ifdead(struct Snake* snake){    //如果碰到左边界 返回0；    if(snake->x[snake->length-1]==framex)        return 0;    //如果碰到右边界 返回0；    if(snake->x[snake->length-1]==framex+wide*2)        return 0;    //如果碰到上边界 返回0；    if(snake->y[snake->length-1]==framey)        return 0;    //如果碰到下边界 返回0；    if(snake->y[snake->length-1]==framey+high)        return 0;    //如果碰到自己身体 返回0；     for(i=0; i<snake->length-1; i++)         if( snake->x[snake->length-1]==snake->x[i] && snake->y[snake->length-1]==snake->y[i] )             return 0;    //否则返回1；     return 1;}//开始游戏 int main(){    unsigned char ch =77;    //定义显示器句柄     HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE);    cover(hout);    struct Snake s, *snake=&s;    struct Food  f,  *food=&f;    makeframe(*snake);    initsnake(snake);    printfood(hout,snake,food);    Sleep(500);    while(1){        infor(hout,snake);        //保存蛇尾横纵坐标         a[0]=snake->x[0];        a[1]=snake->y[0];        j=0;        //如果用户敲击键盘        if(kbhit()){             //用ch接收输入 ，注意是getch()，不需敲击回车            ch=getch();            if(kbhit()){            //长按时间                Sleep(20);                j=1;            }        }        switch(ch){            //向上移动             case'W':            case 'w' :            case 72:{                movesnake(hout,snake);                //蛇头纵坐标减一                 snake->y[snake->length-1]-=1;                break;            }            //向下移动             case'S':            case 's':            case 80:{                movesnake(hout,snake);                //蛇头纵坐标加一                 snake->y[snake->length-1]+=1;                break;            }            //向左移动             case'A':            case 'a':            case 75:{                movesnake(hout,snake);                //蛇头横坐标减二                 snake->x[snake->length-1]-=2;                break;            }            //向右移动             case'D':            case 'd':            case 77:{                movesnake(hout,snake);                //蛇头横坐标加二                 snake->x[snake->length-1]+=2;                break;            }        }        eatfood(hout,snake,food);        printsnake(hout,snake);        //如果判断蛇死亡，跳出循环         if(ifdead(snake)==0||ch==27||snake->speed==0){            gotoxy(hout,framex+wide/2,framey-2);            if(snake->speed==0)                printf("恭喜你通关了！！!");            else                printf("糟糕 T_T");            break;        }        if(j==0)        //如果没有长按，蛇滞留的时间为             Sleep(snake->speed);        //如果长按，蛇滞留的时间为 20ms，即加速         else             Sleep(20);    }    //跳出循环时 ，滞留死亡场景一段时间    Sleep(3000);    //清屏     system("cls");    //显示结束界面     if(snake->speed==0)         printf("\n\n\n\n\n\t\t\t哈哈，你赢了\n\n\t\t\t你得到了满分：24\n\n\n");    else         printf("\n\n\n\n\n\t\t\t哈哈，你输了\n\n\t\t\t你的最终得分是：%d\n\n\n",snake->count);     Sleep(3000);    return 0; } 

程序框图