不知多少年前写的
发出来玩玩算了

/************************************************************************************/
// 方向键控制蛇方向
// q键退出
/************************************************************************************/#include <Windows.h>
#include <cstdio>
#include <time.h>#define KEYDOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)
#define KEYUP(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1)#define width 78                //宽度
#define height 24               //高度
#define gamespeed 20            //游戏速度struct gamestrcut
{enum res{null,                   //空snakebody,              //蛇身体wood,                   //木箱food,                   //食物};res type;                   //类型long time;                  //仅限蛇身用，用来计算蛇长
};gamestrcut map[width][height];  //地图char snakehead[4];  //x,y,direct,length //x轴位置，y轴位置，前进方向，蛇长void main()
{printf("操作方式：\n");printf("方向键控制蛇方向，Q键退出\n");printf("回车开始游戏\n");getchar();srand(time(0));             //设置随机数ZeroMemory(map, sizeof(map));ZeroMemory(snakehead, sizeof(snakehead));//设置木箱for (unsigned long w = 0; w < width; ++w){map[w][0].type = gamestrcut::wood;map[w][height-1].type = gamestrcut::wood;}for (unsigned long h = 0; h < height; ++h){map[0][h].type = gamestrcut::wood;map[width-1][h].type = gamestrcut::wood;}//设置蛇数据snakehead[0] = width / 2;snakehead[1] = height / 2;snakehead[2] = 0;snakehead[3] = 2;map[snakehead[0]][snakehead[1]].type = gamestrcut::snakebody;map[snakehead[0]][snakehead[1]].time = snakehead[3];//提前生成一个食物{do{unsigned long x = ((float)rand() / RAND_MAX) * width;unsigned long y = ((float)rand() / RAND_MAX) * height;if (map[x][y].type == gamestrcut::null){map[x][y].type = gamestrcut::food;break;}} while (true);}do{//取按下键状态，该循环是为了提高灵敏度for (unsigned long t = 0; t < gamespeed;++t){Sleep(1);if (KEYDOWN(VK_UP)){if (snakehead[2] != 3)snakehead[2] = 1;}else if (KEYDOWN(VK_RIGHT)){if (snakehead[2] != 4)snakehead[2] = 2;}else if (KEYDOWN(VK_DOWN)){if (snakehead[2] != 1)snakehead[2] = 3;}else if (KEYDOWN(VK_LEFT)){if (snakehead[2] != 2)snakehead[2] = 4;}else if (KEYDOWN('Q')){goto end;}}//控制蛇头switch (snakehead[2]){case 1:--snakehead[1];break;case 2:++snakehead[0];break;case 3:++snakehead[1];break;case 4:--snakehead[0];break;default:break;}//各种控制反应switch (map[snakehead[0]][snakehead[1]].type){case gamestrcut::null:map[snakehead[0]][snakehead[1]].type = gamestrcut::snakebody;map[snakehead[0]][snakehead[1]].time = snakehead[3];break;case gamestrcut::snakebody:if (snakehead[2] != 0)goto end;break;case gamestrcut::food:map[snakehead[0]][snakehead[1]].type = gamestrcut::snakebody;map[snakehead[0]][snakehead[1]].time = snakehead[3];++snakehead[3];for (unsigned long s = 0; s < sizeof(map) / sizeof(map[0]); ++s){if (((gamestrcut*)map)[s].type == gamestrcut::snakebody)++((gamestrcut*)map)[s].time;}for (unsigned long i = 0; i < width; ++i){for (unsigned long j = 0; j < height; j++){if (map[i][j].type == gamestrcut::snakebody){++map[i][j].time;}}}break;case gamestrcut::wood:goto end;break;default:break;}//刷新食物{static char foodfresh;++foodfresh;do{if (foodfresh <= 10)break;foodfresh = 0;unsigned long x = ((float)rand() / RAND_MAX) * width;unsigned long y = ((float)rand() / RAND_MAX) * height;if (map[x][y].type == gamestrcut::null){map[x][y].type = gamestrcut::food;break;}} while (true);}//刷新蛇身for (unsigned long i = 0; i < width; ++i){for (unsigned long j = 0; j < height; j++){if (snakehead[2] == 0)break;if (map[i][j].type == gamestrcut::snakebody){--map[i][j].time;if (map[i][j].time <= 0)map[i][j].type = gamestrcut::null;}}}//屏幕输出system("cls");for (unsigned long i = 0; i < height; ++i){char line[width + 3];for (unsigned long j = 0; j < width; ++j){switch (map[j][i].type){case gamestrcut::null:line[j] = ' ';break;case gamestrcut::snakebody:line[j] = 'S';break;case gamestrcut::food:line[j] = 'F';break;case gamestrcut::wood:line[j] = 'W';break;default:line[j] = '!';break;}}line[width] = 0x0D;line[width + 1] = 0x0A;line[width + 2] = 0;printf(line);}} while (true);
end:printf("你的分数是：%d\n",(long)snakehead[3] - 2);getchar();return;
}