Rage Central - Information about id Tech 4
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General Information about id Tech 4
About the id Tech 4 game engine
General Engine Details
What is id Tech 4?
Formerly known as the Doom 3 engine, id Tech 4 is a game engine developed by id Software, and was first released with the PC (and later Xbox too) title Doom 3.
Features
Id tech 4 was one of the first engine to utilise features which are no considered 'standard'. Such features include bump mapping, normal mapping and specular highlighting.
The biggest step forward made by id Tech 4 was in it's use of entirely dynamic, per pixel lighting. All surfaces reacted to light in the same way, all casting highly realistic stencil shadows.
Additional features including high res GUI surfaces, shadow volumes and Unified Lighting.
Games built on id Tech 4
You can find more information on games built upon id Tech 4 on our id Tech 4 games page.
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Rage and id Tech 5 developed by id Software, published by Activision
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