public bool Scatter(Ray rayIn, ref HitRecord rec, out color attenuation, out Ray scattered)
{
Vec3 reflect = RayTracer.Reflect(rayIn.Direction.unit_vector(), rec.normal);
scattered = new Ray(rec.p, reflect + roughness * RayTracer.RandomInUnitSphere());
attenuation = albedo;
return(Vec3.dot(scattered.Direction, rec.normal) > 0);
}
public bool Scatter(Ray rayIn, ref HitRecord rec, out color attenuation, out Ray scattered)
{
var scatter_direction = rec.normal + RayTracer.RandomInUnitSphere();
scattered = new Ray(rec.p, scatter_direction);
attenuation = albedo;
return(true);
}
