Varun Singh

InOneWeekend: [material.h] Metal scatter function return value expression needs more explanation

2

``` virtual bool scatter( const ray& r_in, const hit_record& rec, color& attenuation, ray& scattered ) const { vec3 reflected = reflect(unit_vector(r_in.direction()), rec.normal); scattered = ray(rec.p, reflected); attenuation = albedo; return...