public override bool Scatter(Ray rIn, HitRecord rec, out Vec3 attenuation, out Ray scattered)
{
Vec3 target = rec.P + rec.Normal + FastRandom.RandomInUnitSphere();
scattered = new Ray(rec.P, target - rec.P, rIn.Time());
attenuation = _albedo.Value(rec.U, rec.V, rec.P);
return(true);
}
public override bool Scatter(Ray rIn, HitRecord rec, out Vec3 attenuation, out Ray scattered)
{
Vec3 reflected = Vec3.Reflect(Vec3.UnitVector(rIn.Direction()), rec.Normal);
scattered = new Ray(rec.P, reflected + _fuzz * FastRandom.RandomInUnitSphere(), rIn.Time());
attenuation = _albedo;
return(Vec3.Dot(scattered.Direction(), rec.Normal) > 0);
}
