Biography
Carmack, son of local television news reporter Stan Carmack, grew up in the Kansas City Metropolitan Area where he became interested in computers at an early age. He attended Shawnee Mission East High School in Prairie Village, Kansas and Raytown South High School in nearby Raytown, Missouri. As reported in David Kushner's Masters of Doom, "when Carmack was 14, he broke into a school to help a group of kids steal Apple II computers, but during the attempted break-in one of the kids set off the silent alarm. John was arrested, and sent for psychiatric evaluation (the report mentions 'no empathy for other human beings'). Carmack was then sentenced to a year in a juvenile home." When he was asked "if you had not been caught, would you consider doing it again?" he answered "yes, probably." However, when the therapist presented this evaluation he neglected to include "if you had not been caught" in his statement. He attended the University of Missouri–Kansas City for two semesters before withdrawing to work as a freelance programmer.
Softdisk, a computer company in Shreveport, Louisiana, hired Carmack to work on Softdisk G-S (an Apple II publication), uniting him with John Romero and other future key members of id Software such as Adrian Carmack (not related). Later, this team would be placed by Softdisk in charge of a new, but short-lived, bi-monthly game subscription product called Gamer's Edge for the IBM PC (MS-DOS) platform. In 1990, while still at Softdisk, Carmack, Romero, and others created the first of the Commander Keen games, a series which was published by Apogee Software, under the shareware distribution model, from 1991 onwards. Afterwards, Carmack left Softdisk to co-found id Software, where he remains.
Carmack has pioneered or popularised the use of many techniques in computer graphics, including "adaptive tile refresh" for Commander Keen, raycasting for Hovertank 3-D, Catacomb 3-D, and Wolfenstein 3-D, binary space partitioning which Doom became the first game to use, surface caching which he invented for Quake, Carmack's Reverse (formally known as z-fail stencil shadows) which he devised for Doom 3, and MegaTexture technology, first used in Enemy Territory: Quake Wars. Carmack's engines have also been licensed for use in other influential first-person shooters such as Half-Life, Call of Duty and Medal of Honor. In 2007, when Carmack was on vacation with his wife, he ended up playing some games on her cellphone, and decided he was going to make a good mobile game.
Read more about this topic: John Carmack
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