public Segment(Vector begin, Vector end)
{
this.begin = begin;
this.end = end;
}
public Vector(Vector a, Vector b)
{
this.x = b.x - a.x;
this.y = b.y - a.y;
}
public Segment(Vector begin, Vector end)
{
this.begin = begin;
this.end = end;
}
public Vector(Vector a, Vector b)
{
this.x = b.x - a.x;
this.y = b.y - a.y;
}