Doom engine | Wikipedia audio article
Channel: wikipedia tts
Date: 06/07/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Doom_engine


00:01:55 1 Game world
00:02:23 2 Level structure
00:02:56 2.1 Basic objects
00:03:36 2.2 Sectors
00:04:12 2.3 Sidedefs
00:05:13 3 Binary space partitioning
00:07:21 4 Rendering
00:07:30 4.1 Drawing the walls
00:09:23 4.2 Floor and ceiling
00:12:47 4.3 Things (sprites)
00:14:06 5 Games using the iDoom/i engine
00:15:38 6 See also
00:16:04 7 Notes



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Voice name: en-US-Wavenet-A


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SUMMARY
=======
id Tech 1, also known as Doom engine, is the game engine that powers the id Software games Doom and Doom II: Hell on Earth. It is also used in Heretic, Hexen: Beyond Heretic, Strife: Quest for the Sigil, Hacx: Twitch 'n Kill, Freedoom, and other games produced by licensees. It was created by John Carmack, with auxiliary functions written by Mike Abrash, John Romero, Dave Taylor, and Paul Radek. Originally developed on NeXT computers, it was ported to DOS for Doom's initial release and was later ported to several game consoles and operating systems.
The source code to the Linux version of Doom was released to the public under a license that granted rights to non-commercial use on December 23, 1997. The source code was later re-released under the GNU General Public License on October 3, 1999.
The dozens of unofficial Doom source ports that have been created since then allow Doom to run on previously unsupported operating systems and sometimes radically expand the engine's functionality with new features.
Although the engine renders a 3D space, that space is projected from a two-dimensional floor plan. The line of sight is always parallel to the floor, walls must be perpendicular to the floors, and it is not possible to create multi-level structures or sloped areas (floors and ceilings with different angles). Despite these limitations, the engine represented a technological leap from id's previous Wolfenstein 3D engine. The Doom engine was later renamed to "id Tech 1" in order to categorize it in a list of id Software's long line of game engines.