using System;

namespace Science.Mathematics.VectorCalculus
{
    public class Line
    {
        public Line() { }
        private Vector a;
        private Vector v;
        private double t;
        public Vector Direction
        {
            get { return v; }
            set { v = value; }
        }
        public Vector ThroughTip
        {
            get { return a; }
            set { a = value; }
        }
        public double Parameter
        {
            get { return t; }
            set { t = value; }
        }
        public Line(Vector throughTip, Vector direction)
        {
            a = throughTip;
            v = direction;
        }
        public Line(Point p, Point q)
        {
            a = new Vector(p);
            v = new Vector(p, q);
        }
        public Vector GetVectorOnLine()
        {
            Vector l = a + t * v;
            return l;
        }
    }
}