'just cheap' = 'actually viable at 30-60fps on mid-spec PC/console'
If you have to real-time light everything, then there's not a lot of other viable options to make your scene look a bit more solid and objects look more grounded for the cost of just a couple of milliseconds of GPU time.
If you have to real-time light everything, then there's not a lot of other viable options to make your scene look a bit more solid and objects look more grounded for the cost of just a couple of milliseconds of GPU time.