C语言-打字游戏

#include<stdio.h>
#include<stdlib.h>
#include<windows.h>


int life=100;//losing count
int sleep=150;//the characters falling speed
char *arr[]={"Q W E R T Y U I O P [ ]",
			  "A S D F G H J K L ; '",
			   "Z X C V B N M , . /"
};
void GamePosition(int x,int y)//definetion position
{
	COORD pos={x,y};//Indirect assignment to the points member varible
	HANDLE hout=GetStdHandle(STD_OUTPUT_HANDLE);//get a erasable & draw paper
	SetConsoleCursorPosition(hout,pos);
	
}
int play(){
	
	int x,y,i,j;//pos (x,y)   row(i) col(j)
	char ch;//to cls
	char cur;//to accept input the button characters
	srand((unsigned)time(NULL));
	y=7;//initialization,
	i=rand()%3;//rand 0-2 
	j=rand()%(9-i);//every line letters have diffrent number
	ch=arr[i][j*4];
	x=18+i*2+j*4;
	while(y<=24)
	{
		if(y==24&&ch!=' ')
			life--;
		if(life==0)
			return 0;
		if(kbhit())
		{
			cur=getch();
			if(cur==ch||cur==ch+32)//press correct
					ch=' ';
			else 
				life--;
		}
	if(y>7)
	{
		GamePosition(x,y-1);
		printf(" ");
	}		
	GamePosition(x,y);
	printf("%c",ch);
	Sleep(sleep);
	y++;
	}
	
	return 0;
}

int main()
{
	int i;
	system("cls");
	GamePosition(18,2);
	printf("%s\n",arr[0]);
	GamePosition(20,4);
	printf("%s\n",arr[1]);
	GamePosition(22,6);
	printf("%s\n",arr[2]);
	GamePosition(11,25);
	for(i=0;i<60;++i)
	{
		printf("=");
		
	}
	while(1)
	{
		play();
	}
	
	
	return 0;
}