Wikipedia wrote:In computer graphics, ray tracing is a rendering technique for generating an image by tracing the path of light as pixels in an image plane and simulating the effects of its encounters with virtual objects.
It has recently been announced that upcoming generations of graphics cards and video games will feature graphics 'helped along' with ray tracing tricks of light, shadow, and cinematic depth of field.
A brain-concussing example of this is the recent Star Wars themed demo "Reflections", please have a look:
Please note that the main graphics engine in this short is the Epic Games Unreal Engine, it has only been augmented.
Wait until graphics like this make it into VR, and everyone can afford VR! Imagine the possibilities!