#include

#include

#include

#include

#include

#define W 32

#define H 22

const int SIZE_SK = 30*20;

HANDLE hOut;

COORD pos= {0, 0};

CONSOLE_CURSOR_INFO cur_info = {1, 0};

struct snake {

short x, y; //节点坐标

short md; //节点运动方向

short num; //节点内容

int col; //节点颜色

} snake[30*20];

const short dx[4] = {-1, 1, 0, 0}; //方向

const short dy[4] = {0, 0, -1, 1}; //方向

short gamemap[W][H];

short head, tail, score=0;

void initmap(int tm);

void createFood(void);

int getkeys(void);

int move(int idx);

void pntSnake(int i);

void drawEdge(void);

void gameinfo(char *s, int n);

int main(void)

{

int tm = 150; //刷新间隔150毫秒

hOut = GetStdHandle(STD_OUTPUT_HANDLE);

SetConsoleCursorInfo(hOut, &cur_info); //隐藏光标

system("COLOR 2f");

initmap(tm);

return 0;

}

void initmap(int tm)

{

short x, y, i, j;

int index, tmp, ret_m;

while (1){

head=0;

tail=-1;

score=0;

//初始化蛇节点随机颜色

srand(time(0));

for (i=0; i

snake[i].col = rand()%8+8 | 0x20;

//初始化地图数组

for (i=0; i

for (j=0; j

gamemap[i][j] = 0;

system("cls");

//绘制边界

drawEdge();

//打印蛇头

srand(time(0));

do {

x = rand()%(W-2) + 1;

y = rand()%(H-2) + 1;

} while (gamemap[x][y] != 0); //只在空白处生成

snake[head].x = x;

snake[head].y = y;

gamemap[x][y] = snake[head].num = 1;

pos.X = x*2;

pos.Y = y;

SetConsoleCursorPosition(hOut, pos);

printf("█");

//打印食物

createFood();

while ((index=getkeys()) == 4)

Sleep(500);

//循环开始

while (1){

ret_m = move(index);

if (ret_m == 1){

pos.X = 0; pos.Y = H;

SetConsoleCursorPosition(hOut, pos);

printf("哎呀，挂了哦 ^_^");

break;

}

else if (ret_m == 2){

pos.X = 0; pos.Y = H;

SetConsoleCursorPosition(hOut, pos);

printf("哎呀，超神了 ^_^");

break;

}

Sleep(tm);

if ((tmp = getkeys()) != 4)

index = tmp;

}

//菜单代码

puts(" 按w\\s\\a\\d 继续玩，退出请关闭我");

getch();

}

}

void createFood(void)

{

short x, y;

srand(time(0));

do {

x = rand()%(W-2) + 1;

y = rand()%(H-2) + 1;

} while (gamemap[x][y] != 0);

gamemap[x][y] = 2;

pos.X = x*2; pos.Y = y;

SetConsoleCursorPosition(hOut, pos);

SetConsoleTextAttribute(hOut, 0x2f);

printf("⊙");

}

int getkeys(void) //获取方向键

{

char ch;

while(kbhit()){

ch = getch();

if(ch == 'w')

return 2;

if(ch == 's')

return 3;

if(ch == 'a')

return 0;

if(ch == 'd')

return 1;

while (kbhit());

}

return 4;

}

int move(int idx)

{

int newx, newy, pt_tail, i;

newx = snake[head].x + dx[idx];

newy = snake[head].y + dy[idx];

switch (gamemap[newx][newy]){

case 0:

if ((head = ++head%SIZE_SK) != tail){ //不相等即蛇节点队列未满

snake[head].x = newx;

snake[head].y = newy;

snake[head].num = 1;

gamemap[newx][newy] = 1;

tail = ++tail%SIZE_SK;

snake[tail].num = 0; //清除尾部，打印空字符

gamemap[snake[tail].x][snake[tail].y] = 0;

snake[head].md = idx; //存储移动方向

pt_tail = tail - 1;

}

else

return 2; //回合结束标记2代表蛇填满空间

break;

case 2:

if ((head = ++head%SIZE_SK) != tail){ //不相等即蛇节点队列未满

snake[head].x = newx; //head+1后存储新坐标为蛇头

snake[head].y = newy;

snake[head].num = 1;

gamemap[newx][newy] = 1;

snake[head].md = idx; //存储移动方向

pt_tail = tail = tail%SIZE_SK;

score++;

createFood();

}

break;

case 3:

return 1; //遇到墙壁

case 1:

return 1; //遇到自身

default: ;

}

//打印蛇

if (pt_tail == -1)

pt_tail++;

if (pt_tail < head){ //尾巴在头部后面(这两者是数组索引)

for (i=pt_tail; i<=head; i++){

pntSnake(i); //打印

}

}

else{

for (i=pt_tail; i

pntSnake(i);

for (i=0; i<=head; i++)

pntSnake(i);

}

gameinfo(" 分数", score);

return 0;

}

void pntSnake(int i)

{

//转换x坐标：内部是连续整数，打印时一个字符占位2，所以要2x

pos.X = snake[i].x * 2;

pos.Y = snake[i].y;

SetConsoleCursorPosition(hOut, pos);

if (snake[i].num == 0){

putchar('\0'); //清除蛇尾

putchar('\0');}

else if (snake[i].num == 1){

//下面函数第二个参数低4位控制前景色，高4位控制背景色，共8位

SetConsoleTextAttribute(hOut, snake[i].col);

printf("█");

}

}

void drawEdge(void)

{

int i;

for (i=0; i

pos.X = i*2; pos.Y = 0;

SetConsoleCursorPosition(hOut, pos);

printf("█");

gamemap[i][pos.Y] = 3;

pos.Y = H-1;

SetConsoleCursorPosition(hOut, pos);

printf("█");

gamemap[i][H-1] = 3;

}

for (i=1; i

pos.X = 0; pos.Y = i;

SetConsoleCursorPosition(hOut, pos);

printf("█");

gamemap[pos.X][i] = 3;

pos.X = (W-1)*2;

SetConsoleCursorPosition(hOut, pos);

printf("█");

gamemap[W-1][i] = 3;

}

}

void gameinfo(char *s, int n)

{

pos.X = 0; pos.Y = H;

SetConsoleCursorPosition(hOut, pos);

SetConsoleTextAttribute(hOut, 0x2f);

printf(" 贪吃蛇");

printf(" %s: %d", s, n);

}