public bool IsShadowed(Tuple point, Tuple light)
{
Tuple v = light - point;
double distance = Tuple.Magnitude(v);
Tuple direction = Tuple.Normalize(v);
Ray r = new Ray(point, direction);
List <Intersection> intersections = IntersectWorld(r);
Intersection h = Intersection.Hit(intersections);
if (h is not null && h.T < distance)
{
return(true);
}
public Color ColorAt(Ray r, int remaining)
{
List <Intersection> xs = IntersectWorld(r);
Intersection i = Intersection.Hit(xs);
if (i is null)
{
return(new Color(0, 0, 0));
}
else
{
Computations comps = Computations.PrepareComputations(i, r, xs);
return(ShadeHit(comps, remaining));
}
}
