public double Intersect(Ray3D ray)
{
var d = this.Plane().Intersect(ray);
var bary = this.ToBarycentric(ray.PointAt(d));
if (bary.X < 0.0 || bary.Y < 0.0 || bary.Z < 0.0)
{
return(double.PositiveInfinity);
}
return(d);
}