void Wrap()
{
Point2D bottompoint = FindMinPoint(Points);
ReferencePoint.Y = bottompoint.Y;
ReferencePoint.X = -100;//inf for scene which i using
Point2D selected = GetMaxAngle(ReferencePoint, bottompoint);
Point2D prev = bottompoint;
int i = 0;
Hull.AddPoint(bottompoint, i++);
Hull.AddPoint(selected, i++);
while (bottompoint != selected)
{
Point2D next = GetMaxAngle(prev, selected);
Hull.AddPoint(next, i++);
prev = selected;
selected = next;
}
}