public static Color ColorAt(World w, Ray r, int remaining = 5)
{
var inters = w.Intersect(r);
var hit = Intersection.Hit(inters);
if (hit == null)
{
return(Color.Black);
}
var comps = Computation.PrepareComputations(hit, r, inters);
return(ShadeHit(w, comps, remaining));
}
public static bool IsShadowed(World world, PointType point)
{
foreach (var light in world.Lights)
{
var v = light.Position - point;
var distance = v.Magnetude();
var direction = v.Normalize();
var r = new Ray(point, direction);
var intersections = world.Intersect(r);
var h = Intersection.Hit(intersections);
if (!(h is null) && h.T < distance)
{
continue;
}
