Currently importance sampling works only for simple objects (that is, not composite). For this project it's enough, it's just a proof of the concept and only simple ones are needed (as lights, mirrors), but it could be enhanced to work for more complex stuff as well.
Currently importance sampling works only for simple objects (that is, not composite). For this project it's enough, it's just a proof of the concept and only simple ones are needed (as lights, mirrors), but it could be enhanced to work for more complex stuff as well.