public virtual void Cursor_Or(double mis_x, double mis_y)
{
mis_y = tilt_y_reversed(mis_y);
double pf1 = Math.Sqrt((mis_x - parent.x()) * (mis_x - parent.x()) + (mis_y - parent.y()) * (mis_y - parent.y()));
double pf2 = Math.Sqrt((mis_x - foc_2_x()) * (mis_x - foc_2_x()) + (mis_y - foc_2_y()) * (mis_y - foc_2_y()));
double zbir = pf1 + pf2;
if (Math.Abs(zbir - 2 * semi_major_calc()) < 20)
{
osenceno_or = true;
plan_color_os = Color.FromArgb(plan_color.A - 20, plan_color.R, plan_color.G, plan_color.B);
or_pen = new Pen(plan_color_os, 2);
}
else
{
or_pen = new Pen(plan_color, 1);
osenceno_or = false;
}
}
