/**********************************time:    2016.09.17 22:50*version:1.0*********************************/#include <stdio.h>#include <stdlib.h>#include <windows.h>#include <conio.h>#define UP   0#define DOWN 1#define LEFT 2#define RIGHT 3#define HIGH  35#define WIDTH 80   //必须为偶数int temp[HIGH][WIDTH];//像素数组，用于打印图形（蛇、食物、空格）int STATE = LEFT;//初始状态为向左走int FOODPOS = 700; //WIDTH*HIGH/2+WIDTH/2-WIDTH*HIGH/4;//食物的初始位置#define INIT_LEN 1  //初始蛇的长度int init_pos[INIT_LEN] = {HIGH/2*WIDTH+WIDTH/2};//蛇的初始位置int SCORE = 0;//得分//蛇的结构体struct Item{    int pos;//位置    int state;//状态：上下左右    struct Item *per, *next;};struct Item *head, *tail, *iTemp;char symbol = 2;//元素符号//获取元素的位置int getPos(int pos, int state){    if(state == UP)        pos -= WIDTH;    else if(state == DOWN)        pos += WIDTH;    else if(state == LEFT)        pos -= 2;    else if(state == RIGHT)        pos += 2;    else    {        printf("\n状态state出错！");        exit(-1);    }    return pos;}//更新蛇的位置与状态void change(){    while(1){        print();        iTemp = tail;        while(iTemp != head){            iTemp->state = iTemp->per->state;//当前元素的状态等于其前驱的状态            iTemp->pos = getPos(iTemp->pos,iTemp->state);//更新位置信息            iTemp = iTemp->per;        }        head->state = STATE;        head->pos = getPos(head->pos, head->state);    }}//打印图形void print(){    int h, w;    for(h = 1; h < HIGH-1; h++)//初始化像素数组        for(w = 1; w < WIDTH-1; w++)            temp[h][w] = 0;    for(w = 0; w < WIDTH; w += 2){//置第0行和最后一行为2        temp[0][w] = 2;        temp[HIGH-1][w] = 2;    }    for(h = 0; h < HIGH; h++){//置第0列和最后一列为2        temp[h][0] = 2;        temp[h][WIDTH-1] = 2;    }    iTemp = head->next;    while(iTemp){        h = iTemp->pos / WIDTH;        w = iTemp->pos % WIDTH;        temp[h][w] = 1;        iTemp = iTemp->next;    }    h = head->pos / WIDTH;    w = head->pos % WIDTH;    int i;    if(temp[h][w] == 2 || temp[h][w] == 1){//撞到墙或自己，游戏结束head->pos < 0 || head->pos > HIGH*WIDTH        for(i = 0; i < (WIDTH-12)/2; i++)            printf(" ");        printf("游戏结束:%d分", SCORE);        getchar();        exit(0);    }    else        temp[h][w] = 1;    temp[FOODPOS/WIDTH][FOODPOS%WIDTH] = 1;    if(head->pos == FOODPOS){        //吃食物        struct Item *new = (struct Item*)malloc(sizeof(struct Item));        new->next = head;        head->per = new;        //head = new;        new->per = NULL;        new->pos = getPos(head->pos, head->state);        new->state = head->state;        head = new;        SCORE += 10;        //产生新食物        while(temp[FOODPOS/WIDTH][FOODPOS%WIDTH] == 1 || temp[FOODPOS/WIDTH][FOODPOS%WIDTH] == 2 || FOODPOS % 2 ==1){            FOODPOS = rand() % (HIGH * WIDTH);        }        temp[FOODPOS/WIDTH][FOODPOS%WIDTH] = 1;    }    //清屏并打印图形    system("cls");    for(h = 0; h < HIGH; h++)        for(w = 0; w < WIDTH; w++){            if(temp[h][w] == 0)                printf(" ");            else if(temp[h][w] == 1)                printf("%c", symbol);            else if(temp[h][w] == 2)                printf("*");            else{                printf("\t\t\t\t\t error!");                exit(-2);            }        }}//初始化结构体void init(){    int i;    head = (struct Item*)malloc(sizeof(struct Item));    head->per = NULL;    iTemp = head;    iTemp->pos = init_pos[0];    iTemp->state = LEFT;    for(i = 1; i < INIT_LEN; i++){        iTemp->next = (struct Item*)malloc(sizeof(struct Item));        iTemp->next->per = iTemp;        iTemp = iTemp->next;        iTemp->pos = init_pos[i];        iTemp->state = LEFT;    }    iTemp->next = NULL;    tail = iTemp;}DWORD WINAPI Thread1(LPVOID pM){    while(1){        change();    }    return 0;}DWORD WINAPI Thread2(LPVOID pM){    char c;    while(1){        c = _getch();//控制蛇的行进方向        if(c == ‘a‘ && STATE != RIGHT)            STATE = LEFT;        else if(c == ‘d‘ && STATE != LEFT)            STATE = RIGHT;        else if(c == ‘w‘ && STATE != DOWN)            STATE = UP;        else if(c == ‘s‘ && STATE != UP)            STATE = DOWN;        else            continue;    }    return 0;}int main(void) {    system("mode con cols=80 lines=40");//设置窗口大小    system("color 8f");//设置窗口颜色    init();    HANDLE handle1 = CreateThread(NULL, 0, Thread1, NULL, 0, NULL);//线程1    HANDLE handle2 = CreateThread(NULL, 0, Thread2, NULL, 0, NULL);//线程2    WaitForSingleObject(handle1, INFINITE);    WaitForSingleObject(handle2, INFINITE);    return 0;}