private void Update()
{
var intersectionLine = line1.IntersectLine(line2);
Debug.DrawLine(line1.point1.ToVector3(), line1.point2.ToVector3(), Color.green);
Debug.DrawLine(line2.point1.ToVector3(), line2.point2.ToVector3(), Color.red);
Debug.DrawLine(intersectionLine.point1.ToVector3(), intersectionLine.point2.ToVector3(), Color.blue);
}