public static bool AreCollinear(Point2D a, Point2D b) {
return Math.Abs(a.MultiplyVector(b).Norm() - 0) < Epsilon;
}
public static double Distance(Point2D point, Line2D line)
{
Point2D vector = point - line.Begin;
return(vector.MultiplyVector(line.Direction).Norm() / line.Direction.Norm());
}
public static bool AreCollinear(Point2D a, Point2D b)
{
return(Math.Abs(a.MultiplyVector(b).Norm() - 0) < Epsilon);
}