猫史档案馆

//贪吃蛇.c++
#include<iostream> 
#include<windows.h> 
#include<conio.h> 
#include<time.h> 
#include<stdlib.h> 
using namespace std; 
const int N=21; 
void Get_xy(int x,int y) //定位光标位置 
{ 
HANDLE hout; 
COORD pos; 
pos.X=x*2; 
pos.Y=y; 
hout=GetStdHandle(STD_OUTPUT_HANDLE); 
SetConsoleCursorPosition(hout,pos); 
}

void Color(int num) //设置颜色 
{ 
HANDLE hout; 
hout=GetStdHandle(STD_OUTPUT_HANDLE); 
SetConsoleTextAttribute(hout,num); 
}

void Initial() //初始化 
{ 
int i,j; 
int wall[N+2][N+2]={{0}}; 
for(i=1;i<=N;i++) 
for(j=1;j<=N;j++) 
wall[i][j]=1; 
Color(11); 
for(i=0;i<N+2;i++) 
{ 
for(j=0;j<N+2;j++) 
{ 
if(wall[i][j]) 
cout<<"■"; 
else cout<<"□"; 
} 
cout<<endl; 
} 
Get_xy(N+3,1); Color(20); 
cout<<"按'W','S','A','D'进行操作"<<endl; 
Get_xy(N+3,2); Color(20); 
cout<<"按任意键暂停"<<endl; 
Get_xy(N+3,3); Color(20); 
cout<<"得分："<<endl; 
}

void game() 
{ 
int** snake=NULL; 
int len=1; 
int i; 
int score=0; 
int apple[2]; 
int tail[2]; 
char ch='p'; 
Initial(); 
srand((unsigned)time(NULL)); 
apple[0]=rand()%N+1; 
apple[1]=rand()%N+1; 
Get_xy(apple[0],apple[1]); 
Color(12); 
cout<<"●"<<endl; 
snake=(int**)realloc(snake,sizeof(int*)*len); 
for(i=0;i<len;i++) 
snake[i]=(int*)malloc(sizeof(int)*2); 
snake[0][0]=N/2; 
snake[0][1]=N/2+1; 
Get_xy(snake[0][0],snake[0][1]); Color(14); 
cout<<"⊙"<<endl; 
int flag=1; 
while(1) 
{ 
if(flag) 
{ 
tail[0]=snake[len-1][0]; 
tail[1]=snake[len-1][1]; 
Get_xy(tail[0],tail[1]); 
Color(11); 
cout<<"■"<<endl; 
} 
flag=1; 
for(i=len-1;i>0;i--) 
{ 
snake[i][0]=snake[i-1][0]; 
snake[i][1]=snake[i-1][1]; 
Get_xy(snake[i][0],snake[i][1]); 
Color(14); 
cout<<"★"<<endl; 
} 
if(kbhit()) 
{ 
Get_xy(0,N+3); 
ch=getche(); 
} 
switch(ch) 
{ 
case 'W': 
case 'w': snake[0][1]--; break; 
case 'S': 
case 's': snake[0][1]++; break; 
case 'A': 
case 'a': snake[0][0]--; break; 
case 'D': 
case 'd': snake[0][0]++; break; 
default :break; 
} 
for(i=1;i<len;i++) 
{ 
if(snake[0][0]==snake[i][0] && snake[0][1]==snake[i][1]) 
{ 
Get_xy(N/2,N/2); Color(30); 
cout<<"Game over!"<<endl; 
exit(0); 
} 
} 
Get_xy(snake[0][0],snake[0][1]); 
Color(14); cout<<"⊙"<<endl; 
Sleep(abs(200-0.5*score)); 
if(snake[0][0]==apple[0] && snake[0][1]==apple[1]) 
{ 
flag=0; score++; len++; srand((unsigned)time(NULL)); 
snake=(int**)realloc(snake,sizeof(int*)*len); 
snake[len-1]=(int*)malloc(sizeof(int)*2); 
Get_xy(N+6,3); Color(20); cout<<score<<endl; 
apple[0]=rand()%N+1; apple[1]=rand()%N+1; 
Get_xy(apple[0],apple[1]); 
Color(12); 
cout<<"●"<<endl; 
} 
if(snake[0][0]==0 || snake[0][0]==N || snake[0][1]==0 || snake[0][1]==N) 
{ 
Get_xy(N/2,N/2); Color(30); 
cout<<"Game Over!"<<endl; 
for(i=0;i<len;i++) 
free(snake[i]); 
Sleep(INFINITE); 
exit(0); 
} 
if(len>=N*N/20) 
{ 
Get_xy(N/2,N/2); Color(30); 
cout<<"Win!"<<endl; 
for(i=0;i<len;i++) 
free(snake[i]); 
Sleep(INFINITE); 
exit(0); 
} 
} 
} 
int main() 
{ 
game(); 
return 0; 
}