internal virtual com.epl.geometry.Point _RandomizeExisting()
{
if (points.Count == 0)
{
return(_GenerateNewPoint());
}
double f = random.NextDouble();
int num = (int)(f * points.Count);
com.epl.geometry.Point pt = points[num];
f = random.NextDouble();
// if (f > 0.9)
if (f > 2)
{
f = random.NextDouble();
pt.SetX(pt.GetX() + (1 - 2 * f) * 2 * tolerance);
f = random.NextDouble();
pt.SetY(pt.GetY() + (1 - 2 * f) * 2 * tolerance);
pt = _snapClip(pt, env);
}
return(pt);
}