public double DistanceToLine(LineDescription2D l1)
{
//PointD vect1 = new PointD(l1.directionVector[0], l1.directionVector[1]);
//PointD vect2 = l1.p0 - new SizeD(this);
//double retDist = (vect1.X * vect2.Y - vect1.Y * vect2.X) / (l1.directionVectorLength);
//return Math.Abs(retDist);
return(l1.Distance(this));
}
public static PointD CrossPoint(LineDescription2D l1, LineDescription2D l2)
{
PointD pc = new PointD();
if ((l1.directionVector == l2.directionVector) || (l1.directionVector == -l2.directionVector))
{
return(PointD.nullPointD());
}
double d1 = l2.p0.Y * l1.directionVector.X - l1.p0.Y * l1.directionVector.X + l1.p0.X * l1.directionVector.Y -
l2.p0.X * l1.directionVector.Y;
double d2 = l1.directionVector.Y * l2.directionVector.X - l1.directionVector.X * l2.directionVector.Y;
double t2Cross = d1 / d2;
pc = (l2.p0 + l2.directionVector * t2Cross).ToPointD();
return(pc);
}