void GenerateTerrain(double* arr,double pnt1,double pnt2,int len)
{
    str.open("Data.txt");
    double* pOrig=arr;
    srand((unsigned)time(0));
    for(int i=0; i<len; i++)
    {
        (*arr)=(double)rand()/(double)RAND_MAX;
        arr++;
    }
    arr=pOrig;
    str<<"RANDOM##\n";
    for(int i=0; i<len; i++)
    {
        str<<i<<" : "<<*arr<<"\n";
        arr++;
    }
    Smooth(1.0002,pOrig,len);
    str.flush();
    str.close();
}

void Smooth(double smoothness,double* ptr,int len)
{
    double* lPtr=0;
    double diff=50000;
    while(diff/len>smoothness)
    {
        lPtr=ptr+1;
        diff=0;

        for(int i=1; i<(len-1); i++)
        {
            (*lPtr)=((*lPtr)+(*(lPtr+1)))/2;
            if(*lPtr>*(lPtr-1))
            {
                diff+=(*lPtr)/(*(lPtr-1));
            }
            else
            {
                diff+=(*lPtr-1)/(*(lPtr));
            }
            lPtr++;
        }
    }
    lPtr=ptr;
    str<<"SMOOTHED\n";
    for(int i=0; i<(len-1); i++)
    {
        str<<i<<" : "<<*lPtr<<"DIFF: " << *lPtr-(*(lPtr+1)) <<"\n";
        lPtr++;
    }

}