This webpage[0] claims that realtime raytracing has existed since 1995, demo can run on PC/MS-DOS [0]: http://www.realtimerendering.com/resources/RTNews/demos/

This webpage[0] claims that realtime raytracing has existed since 1995, demo can run on PC/MS-DOS [0]: http://www.realtimerendering.com/resources/RTNews/demos/overview.htm http://www.realtimerendering.com/resources/RTNews/demos/over...