
This allows lights to cast shadows even on non-static objects such as monsters or machinery, which was impossible with static lightmaps. By contrast in the new Doom 3 engine, most light sources are computed on the fly. All 3D engines up to and including Quake III and Unreal Tournament had computed or rendered lightmaps during map creation, saving that information in the map data, which made the lighting extremely static. The key advance of the Doom 3 graphics engine is the unified lighting and shadowing.



The Xbox version is graphically similar to (although less detailed than) the original and features an additional two-player online co-operation mode. The game was developed for Windows and ported to Linux in 2004 five months later, it was also released for Mac OS X (ported by Aspyr) and Xbox (co-developed by Vicarious Visions).

The game was finally released in August of 2004. Set on November 15 on Mars, Doom 3 is a horror focused game unlike previous action-packed entries.ĭoom 3 had a long development schedule dating back to 2000, with a well-received demonstration at E3 in 2002, 20. Single-player, multiplayer Doom 3 is a sci-fi horror fantasy first-person shooter computer game developed by id Software and published by ActiVision.
