public static Vector2d Collide(LineParametric2d ray, LineLinear2d line, double epsilon)
{
var collide = LineLinear2d.Collide(ray.CreateLinearForm(), line);
if (collide.Equals(Vector2d.Empty))
{
return(Vector2d.Empty);
}
var collideVector = collide - ray.A;
return(ray.U.Dot(collideVector) < epsilon ? Vector2d.Empty : collide);
}
