for game

void VREMYA(int t){
    if(vremya>0){
        glutTimerFunc(1000,VREMYA,vremya);
        cout<<vremya<<endl;
        vremya-=1;
    }
    else{
        cout<<"gamnover"<<"your score"<<score<<endl;
    }
}

void clickplace(int butt, int state, int x, int y){
    double tochx=double (x)/40.0-10.0;
    double tochy=double(y)/-40.0 + 10.0;
    double rx=tochx-xk;
    double ry=tochy-yk;
    double vekt=sqrt(rx*rx+ry*ry);
    if(butt==0&&state==0&&vekt<=sk){
        cout<<"popal"<<endl;
        score+=1;
        sk*=0.9;
        xk=rand()%21-10+(rand()%11)/10;
        yk=rand()%21-10+(rand()%11)/10;
        draw();
    }

}