On Thu, 18 May 2017 09:59:03 +0100 Graeme Geldenhuys <mailingli...@geldenhuys.co.uk> wrote:
> The difference: As explained by somebody after I did a quick google > search to save time: > > " > wolfenstein3d used raycasting. Raycasting is based on sending out a > "ray" along each line of sight from the viewer, and incrementally moving > along that line of sight until the ray hits an object." That's a raycasting renderer. Raycasting in itself is even less. It's just the act of casting one or multiple rays and checking for collisions/intersections for whatever purpose. Can be used for example for user selection of objects in 3D scenes, collision detection of bodies in physics engines or advanced lighting effects. R. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal