I think the examples used are not very impressive. And I think path tracing (which is a kind of ray tracing) is more interesting for the future. A nice blog ab

I think the examples used are not very impressive. And I think path tracing (which is a kind of ray tracing) is more interesting for the future. A nice blog about real time path tracing is: http://raytracey.blogspot.nl/ http://raytracey.blogspot.nl/