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#include

#include

#include

#include

#include

#include

using namespace std;

#define HEAD 'H'

#define BODY 'X'

#define WALL '*'

#define money 'S'

#define N 50

#define n 20

void output();

void snakemove(int a,int b);

void putmoney();

#define MAX 20

int snakex[MAX] = {1,1,1,1,1};

int snakey[MAX] = {1,2,3,4,5};

char snakemap[n][N] =

{"********************************************",

"*XXXXH *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"* *",

"********************************************"

};

int length = 5;

int alive = 1;

char direction = 'D';

int main()

{

char ch;

system("color 00");

system("color A4");

putmoney();

output();

while(alive)

{

if(kbhit())

{

ch = getch();

switch(ch)

{

case 'A':

case 'a':if(direction == 'd')break;direction = tolower(ch);snakemove(0,-1);break;

case 'D':

case 'd':if(direction == 'a')break;direction = tolower(ch);snakemove(0,1);break;

case 'S':

case 's':if(direction == 'w')break;direction = tolower(ch);snakemove(1,0);break;

case 'W':

case 'w':if(direction == 's')break;direction = tolower(ch);snakemove(-1,0);break;

}

Sleep(50);

output();

}

else

{

switch(direction)

{

case 'a':snakemove(0,-1);break;

case 'd':snakemove(0,1);break;

case 's':snakemove(1,0);break;

case 'w':snakemove(-1,0);break;

}Sleep(50);

output();

}

}

system("cls");

cout<

return 0;

}

void snakemove(int a,int b)

{

int x,y;

x = snakex[length-1] + a;

y = snakey[length-1] + b;

if(snakemap[x][y] == HEAD || snakemap[x][y] == BODY || snakemap[x][y] == WALL)

alive = 0;

else if(snakemap[x][y] == money && length < 20)

{

length++;

putmoney();

snakex[length-1] = x;

snakey[length-1] = y;

snakemap[snakex[length-1]][snakey[length-1]] = HEAD;

snakemap[snakex[length-2]][snakey[length-2]] = BODY;

}

else

{

int i;

int x1,y1;

x1 = snakex[0];

y1 = snakey[0];

for(i = 0;i

{

snakex[i] = snakex[i+1];

snakey[i] = snakey[i+1];

}

snakemap[x1][y1] = ' ';

snakex[length-1] = x;

snakey[length-1] = y;

snakemap[snakex[length-1]][snakey[length-1]] = HEAD;

snakemap[snakex[length-2]][snakey[length-2]] = BODY;

}

}

void output()

{

system("cls");

int i,j;

cout<

for(i = 0;i

{

for(j = 0;j

cout<

cout<

}system("color 00");

system("color A4");

}

void putmoney()

{

srand(time(0));

int x = 0,y = 0;

do

{

x = rand() % 15 + 1;

y = rand() % 40 + 1;

}while(snakemap[x][y] == WALL && snakemap[x][y] == BODY && snakemap[x][y] ==HEAD);

snakemap[x][y] = money;

}

代码如上，怎么样才能实现不闪屏，听说要用什么双缓冲技术，求会的大神帮我修改下代码让它不闪屏！！！小弟感激不尽！！！！！