public Polygon(Geometry.Point a, Geometry.Point b, Geometry.Point c)
{
PushFront(b);
if (b.IsLighted(a, c))
{
PushFront(a);
PushBack(c);
}
else
{
PushFront(c);
PushBack(a);
}
Perimeter = Basics.DistanceBetween(a, b) + Basics.DistanceBetween(b, c) + Basics.DistanceBetween(c, a);
Area = Math.Abs(Basics.Area(a, b, c));
}
private void Grow(Geometry.Point a, Geometry.Point b, Geometry.Point t)
{
Perimeter -= Basics.DistanceBetween(a, b);
Area += Math.Abs(Basics.Area(a, b, t));
}
