BRL-CAD interactively displaying, editing, and interrogating geometric models. This suite became known as BRL-CAD. Development on BRL-CAD as a package subsequently began in 1983; the first public release was made in 1984. BRL-CAD became an open-source project in December 2004. The BRL-CAD source code repository is the oldest known public version-controlled codebase in the world that's still under active development, dating back to 1983-12-16 00:10:31 UTC. BRL-CAD BRL-CAD is a constructive solid geometry (CSG) solid modeling computer-aided design (CAD) system. It includes an interactive geometry editor, ray tracing support for graphics rendering and geometric analysis, computer network distributed framebuffer support, scripting,
Computer-assisted gaming among role-playing game players is the use of a digital projector or flat screen monitors to present maps or other visual elements during game play. These elements may be used on their own, or in concert with miniatures to map out combats, and exploration or to introduce other visual media into the game without resorting to printing or drawing these items.; Webcam enabled computer-assisted wargames use computer vision to process firing with images of the camera. In the case of an external USB camera, it is placed behind the firing unit selected (third person shooter) in the direction of the