贪吃蛇（改进版）

这些代码是在看了别人源码之后对自己代码的改进。不对，不能说改进几乎都快成对别人的模仿了，只不过没到一边敲自己的一边看别人的。整个过程还是自己完成的。改进后的最大特点就是：画面好看了些。还有一些不足之处。1.不能实现长按键对蛇加速。2.但是我看了还有个人的贪食蛇可以加音效，加图片，所以我也想试试（么么哒~）

/***********************************文件名：贪吃蛇游戏*描述：贪吃蛇游戏基本，可加速，不可穿墙*作者：Neal Caffrey(893399065)*时间：2017-05-19**********************************/#include <stdio.h>#include <conio.h>#include <windows.h>#include <time.h>/*********游戏窗口参数**********/#define HIGH 23#define WIDTH 52/***********蛇结构体************/typedef struct A {    COORD coord;    //蛇体坐标    int speed;      //蛇的速度    int length;     //蛇的长度    char direction; //蛇的方向    int score;      //游戏分数    int level;      //游戏等级    short life;      //生命情况    COORD food;     //食物坐标    COORD pre;      //前一蛇尾坐标    short sign;     //速度判断    struct A *next;} SNAKE;/**********函数声明***********/void Gotoxy(int x, int y);           //移动光标到指定位置void Print_Wall() ;                  //绘制墙画面void Print_Snake(SNAKE *head);       //绘制蛇和食物SNAKE *Initialization(void);         //游戏初始化void Option(SNAKE *head);            //方向控制SNAKE *Move(SNAKE *head);            //移动蛇void Hide_Cursor(void);              //隐藏光标SNAKE *Find_Tail(SNAKE *head);       //找蛇尾巴void Creat_Food(SNAKE *head);        //产生食物int Judgement(SNAKE *head);          //情况判断int main(void) {    system("color 81");    SNAKE *head;    Hide_Cursor();    Print_Wall();    head = Initialization();    Creat_Food(head);    while(1) {        Option(head);        head = Move(head);        if(Judgement(head) == 1)            break;        Print_Snake(head);        if(head->sign == 0)            Sleep(head->speed);        else            Sleep(20);    }    getch();}int Judgement(SNAKE *head) {    //情况判断    int sign;    SNAKE *p1 = head->next;    SNAKE *tail;    sign = 0;    do {    //判断蛇头是否在身蛇身上        if(p1->coord.X==head->coord.X && p1->coord.Y==head->coord.Y) {            sign = 1;            break;        }        p1 = p1->next;    } while(p1 != head);    if(sign == 1)        head->life = 0;     //蛇死亡    if(head->coord.X==0 || head->coord.X>=HIGH-1 || head->coord.Y==0 || head->coord.Y>=WIDTH-2)        head->life = 0;     //蛇死亡    if(head->life == 0) {        Gotoxy(HIGH/2, WIDTH/3);        printf("洗  白!");        return 1;    }    if(head->coord.X==head->food.X && head->coord.Y==head->food.Y) {        Creat_Food(head);        tail = Find_Tail(head);        p1 = (SNAKE *)malloc(sizeof(SNAKE));        tail->next = p1;        *p1 = *head;        p1->coord = head->pre;        p1->next = head;        head->score += 10;        head->length++;        if(head->level<6) {            if((head->score/10)%8==0) {                head->level++;                head->speed -= 50;            }        }    } else {        Gotoxy(head->pre.X, head->pre.Y);        printf(" ");    }    return 0;}SNAKE *Move(SNAKE *head) {      //给我方向我来控制移动    SNAKE *tail = Find_Tail(head);    Gotoxy(tail->coord.X, tail->coord.Y);    head->pre = tail->coord;    COORD temp;    temp.X = head->coord.X;    temp.Y = head->coord.Y;    switch(head->direction) {        case 'a': {            temp.Y -= 2;            break;        }        case 'd': {            temp.Y += 2;            break;        }        case 'w': {            temp.X -= 1;            break;        }        case 's': {            temp.X += 1;            break;        }    }    *tail = *head;    tail->coord.X = temp.X;    tail->coord.Y = temp.Y;    tail->next = head;    return tail;}void Option(SNAKE *head) {      //根据按键情况来判断方向    char temp;    int j;    head->sign = 0;    if(kbhit()) {            /* 判断是否按下键盘，如果按下，ch接收键盘输入 */            temp = getch();            if(kbhit()) {                /* 如果长按键盘，则加速 */                head->sign=1;            }        }    switch(temp) {        case 'w':            if(head->direction == 's');            else                head->direction = temp;            break;        case 's':            if(head->direction == 'w');            else                head->direction = temp;            break;        case 'a':            if(head->direction == 'd');            else                head->direction = temp;            break;        case 'd':            if(head->direction == 'a');            else                head->direction = temp;            break;        default:            break;    }}void Creat_Food(SNAKE *head) {     //我只管产生食物保证在游戏框内，但不会在蛇身上    int x, y, sign;    srand(time(NULL));    SNAKE *p1 = head;    do {        x = (rand()%(HIGH-2)+1);        y = (rand()%(WIDTH-4)+2)/2*2;        p1 = head;        sign = 0;        do {            if(p1->coord.X==x && p1->coord.Y==y) {                sign = 1;                break;            }            p1 = p1->next;        } while(p1 != head);    } while(sign == 1);    head->food.X = x;    head->food.Y = y;}void Print_Wall() {     //我只管画墙    int x, y;    for(x=0; x<HIGH; x++) {        if(x==0 || x==HIGH-1) {     //绘制墙的上下边            for(y=0; y<WIDTH; y+=2)                printf("■");            printf("\n");        } else {            printf("■");            Gotoxy(x, WIDTH-2);            printf("■\n");        }    }}void Gotoxy(int x, int y) {     //给我坐标我只管把光标移动到指定位置    COORD coord;    coord.X = y;    coord.Y = x;    HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);    SetConsoleCursorPosition(handle, coord);}SNAKE *Initialization(void) {   //我只管蛇的初始化    int x = HIGH-5;     //蛇头x坐标    int y = 16;         //蛇头y坐标    SNAKE *head, *p1, *p2;    head = (SNAKE *)malloc(sizeof(SNAKE));    head->coord.X = x;  //蛇头坐标为x    head->coord.Y = y;  //蛇头坐标为y    head->length = 3;   //蛇的长度为3    head->level = 1;    //游戏等级为1    head->score = 0;    //游戏得分为0    head->speed = 350;  //蛇的速度为350ms    head->direction = 'd';  //蛇的方向为d    head->life = 1;     //蛇存活    int i;    p1 = head;    for(i=0; i<2; i++) {        p2 = (SNAKE *)malloc(sizeof(SNAKE));        p2->coord.X = x;        p2->coord.Y = (y-=2);        p1->next = p2;        p1 = p2;    }    p2->next = head;    return head;}SNAKE *Find_Tail(SNAKE *head) {     //给我蛇头我只管找蛇尾巴    SNAKE *p1;    p1 = head;    do {        p1 = p1->next;    } while(p1->next != head);    return p1;}void Print_Snake(SNAKE *head) {     //给我坐标我只管打印    SNAKE *p1 = head;    do {        Gotoxy(p1->coord.X, p1->coord.Y);        printf("○");        p1 = p1->next;    } while(head != p1);    Gotoxy(head->coord.X, head->coord.Y);    printf("●");    SNAKE *tail = Find_Tail(head);    Gotoxy(tail->coord.X, tail->coord.Y);    printf("◎");    Gotoxy(head->food.X, head->food.Y);    printf("★");    Gotoxy(0, WIDTH+4);    printf("方向控制：a、w、s、d");    Gotoxy(2, WIDTH+4);    printf("蛇身长度：%d", head->length);    Gotoxy(4, WIDTH+4);    printf("游戏分数：%d", head->score);    Gotoxy(6, WIDTH+4);    printf("游戏等级：%d", head->level);    Gotoxy(8, WIDTH+4);    printf("移动速度：%d", 1000-head->speed);}void Hide_Cursor(void) {    //我只管隐藏光标    CONSOLE_CURSOR_INFO cci;    cci.bVisible=0;    cci.dwSize=1;    HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);    SetConsoleCursorInfo(handle, &cci);}