#include<stdio.h>
#include<conio.h>
#include<windows.h>
#define high 40 //定义游戏界面大小
#define wide 50
char str[11] = { '0' };//变量 str[8]=i str[9]=j str[3]food_x str[4]food_y str[5] 长度控制
int element[high][wide] = { 0 };//0空格 -8食物 1蛇头 >1蛇身
int max, direct = 8, food = 4;
int bady_x=0, bady_y=0;
void gotoxy(int x, int y)//刷新屏幕
{
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
COORD pos;
pos.X = x;
pos.Y = y;
SetConsoleCursorPosition(handle, pos);
}
void hidecursor()//隐藏光标
{
CONSOLE_CURSOR_INFO cursor_info = { 1,0 };
SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);
}
void eatfood()//刷新食物的位置
{
str[4] = rand() % (high - 6) + 2;
str[3] = rand() % (wide - 6) + 2;
element[str[4]][str[3]] = -8;
}
void start()//初始化一些基本元素
{
str[0] = high / 2;
str[1] = wide / 2;
str[5] = 1;
str[6] = 0;
str[7] = 0;
for (str[8] = 0; str[8] < wide-1; str[8]++)
{
element[0][str[8]] = -6;
element[high-1][str[8]] = -6;
}
for (str[9] = -1; str[9] < high; str[9]++)
{
element[str[9]][1] = -6;
element[str[9]][wide-1] = -6;
}
element[str[0]][str[1]] = 1;
element[str[0]+1][str[1]] = 2;
element[str[0]+2][str[1]] = 3;
eatfood();
}
void show()//显示图像
{
gotoxy(1, 0);
hidecursor();
for (str[8] = 0; str[8] < high+5; str[8]++)//输出显示的图案
{
for (str[9] = 0; str[9] < wide; str[9]++)
{
if (element[str[8]][str[9]] > 1)
printf("*");
else if (element[str[8]][str[9]] == 1)
printf("o");
else if (element[str[8]][str[9]] == -6)
printf("*");
else if (element[str[8]][str[9]] == -8)
printf("C");
else if (element[str[8]][str[9]] == 0)
printf(" ");
}
printf("\n");
}
Sleep(100);
}
void snakemove()//实现蛇的移动
{
int head_x, head_y;
for (str[8] = 0; str[8] < high - 1; str[8]++)
for (str[9] = 0; str[9] < wide - 1; str[9]++)
if (element[str[8]][str[9]] > 0)
element[str[8]][str[9]]++;
//蛇的移动的实现，是将蛇的所有元素都加一，然后将最大的元素变为空格，并依靠food来控制蛇的长度
for (str[8] = 0; str[8] < high - 1; str[8]++)
for (str[9] = 0; str[9] < wide - 1; str[9]++)
if (element[str[8]][str[9]] > 0)
{
if (element[str[8]][str[9]]>=food)
{
bady_y= str[8];
bady_x= str[9];
}
if (element[str[8]][str[9]] == 2)
{
head_y = str[8];
head_x = str[9];
}
}
element[bady_y][bady_x] = 0;
int newhead_x, newhead_y;
if (direct == 8)//控制蛇移动的方向
{
newhead_y = head_y - 1;
newhead_x = head_x;
}
if (direct == 4)
{
newhead_y = head_y;
newhead_x = head_x - 1;
}
if (direct == 2)
{
newhead_y = head_y + 1;
newhead_x = head_x;
}
if (direct == 6)
{
newhead_y = head_y;
newhead_x = head_x + 1;
}
if (newhead_y == str[4] && newhead_x == str[3])
{
element[str[3]][str[4]] = 0; // 产生一个新的食物
str[3] = rand() % (high - 6) + 2;
str[4] = rand() % (wide - 6) + 2;
element[str[4]][str[3]] = -8;
str[5] = 3;
str[6]++;
food++;
if (direct == 8)
{
element[bady_y][bady_x] = str[5];
str[5]++;
}
if (direct == 4)
{
element[bady_y][bady_x] = str[5];
str[5]++;
}
if (direct == 2)
{
element[bady_y][bady_x] = str[5];
str[5]++;
}
if (direct == 6)
{
element[bady_y][bady_x] = str[5];
str[5]++;
}
}
if (newhead_y < 1 || newhead_x < 1 || newhead_y >= high - 1 || newhead_x >= wide - 1 )//判断蛇是否碰撞
{
printf("游戏失败！\n");
Sleep(2000);
system("pause");
exit(0);
}
if (element[newhead_y][newhead_x] > 2)
{
printf("游戏失败！\n");
Sleep(2000);
system("pause");
exit(0);
}
else element[newhead_y][newhead_x] = 1;
}
void updatewithout()
{
snakemove();
}
void updatewith()//控制蛇的运动，利用wasd来控制蛇的移动方向
{
char input;
if (_kbhit())
{
input = _getch();
if (input == 'a'&&direct!=6)
{
direct = 4;
snakemove();
}
if (input == 's'&&direct!=8)
{
direct = 2;
snakemove();
}
if (input == 'd'&&direct!=4)
{
direct = 6;
snakemove();
}
if (input == 'w'&&direct!=2)
{
direct = 8;
snakemove();
}
}
}
int main()
{
start();
while (1)
{
show();
updatewith();
updatewithout();
}
}在这个程序中，蛇的长度我用食物来控制 ，与大多贪吃蛇都不同。
