Editing Infinity Ward (section)

==Game engines==

{{Main|IW engine}}
Infinity Ward used an enhanced version of the [[id Tech 3]] engine from [[Quake III Arena]] for the first ''[[Call of Duty (video game)|Call of Duty]]'' in 2003. For ''[[Call of Duty 2]]'', Infinity Ward heavily modified the engine, featuring more powerful visuals and [[DirectX|DirectX 9]] support, and was known internally as the "IW" game engine. The version that was used for ''Call of Duty 2'' was designated as IW 2.0.<ref name="Engine">{{cite web |url=http://xbox360.ign.com/articles/100/1003728p2.html |title=The 10 Best Game Engines of This Generation |last=Stead |first=Chris |date=July 15, 2009 |access-date=July 15, 2009 |publisher=IGN}}</ref> ''[[Call of Duty 4: Modern Warfare]]'' runs on a highly upgraded version of the engine from ''Call of Duty 2'' dubbed "IW 3.0", with features that include true world-dynamic lighting, [[High dynamic range rendering|HDR lighting effects]], dynamic shadows and [[depth of field]].<ref name="ign au">{{cite web |access-date=March 17, 2008 |url=http://xbox360.ign.com/articles/796/796451p1.html |title=Call of Duty 4: Modern Warfare AU Interview |work=IGN Xbox 360 |publisher=[[IGN|IGN Entertainment]] |date=June 13, 2007 |last=Shea |first=Cam}}</ref> The ''[[Call of Duty#Black Ops story arc|Call of Duty: Black Ops]]'' sub-series and the [[James Bond]] video game ''[[007: Quantum of Solace|Quantum of Solace]]'' were developed by [[Treyarch]] using modified versions of Infinity Ward's engine.<ref name="COD5 details">{{cite web| author=Robinson, Andy |publisher=[[Computer and Video Games]] |date=June 9, 2008 |title=News:Call of Duty: World at War – first details in OXM | url=http://www.computerandvideogames.com/article.php?id=190547 | archive-url=https://web.archive.org/web/20080611230050/http://www.computerandvideogames.com/article.php?id=190547 | archive-date=June 11, 2008}}</ref>

''[[Call of Duty: Modern Warfare 2]]'', uses an upgraded engine dubbed "IW 4.0", which is a generation more advanced than the engine used in ''Call of Duty 4: Modern Warfare''.<ref name="Engine"/> ''[[Call of Duty: Modern Warfare 3]]'' uses IW 5.0 (MW3 Engine), an improved version of the IW 4.0 engine. Improvements on the engine allow better streaming technology which allows larger regions for the game while running at a minimum of 60 [[frames per second]], improvements to the audio of the engine have also been made.<ref>{{cite web|title=needhelponatest comments on IAm Josh Olin, Creative Strategist on Modern Warfare 3 AMA|date=June 10, 2011 |url=https://www.reddit.com/r/IAmA/comments/hwkjy/iam_robert_bowling_creative_strategist_on_modern/c1yydex|access-date=August 5, 2011}}</ref>

''[[Call of Duty: Ghosts]]'' features an upgraded next-generation version of the IW 5.0 seen in ''[[Call of Duty: Modern Warfare 3]]''.<ref name="Dave Tach">{{cite web|url=http://www.polygon.com/2013/6/12/4422598/call-of-duty-ghosts-e3-2013|title=Infinity Ward, Call of Duty: Ghosts and the nameless game engine that powers a first-person shooter phenomenon|access-date=Jun 12, 2013|author=Dave Tach|date=June 12, 2013|publisher=Polygon}}</ref> IW 6.0 is compatible with next-gen systems such as Xbox One and PlayStation 4 so polygon counts, texture detail and overall graphical fidelity has been increased. IW 6.0 is also compatible with Microsoft Windows, Wii U, PS3 and Xbox 360. The IW 6.0 engine features technology from Pixar, SubD, which increases the level of detail of models as one gets closer to them. Mark Rubin has said about the HDR lighting "We used to paint it in and cover up the cracks, but now it's all real-time".<ref name="t3.com">{{cite web|url=http://www.t3.com/news/call-of-duty-ghosts-exclusive-first-look|title=Call of Duty: Ghosts exclusive first look|access-date=May 31, 2013|publisher=T3}}</ref> ''Ghosts'' uses Iris Adjust tech which allows the player to experience from a person's point of view how their eyes would react to changes in lighting conditions realistically. Other features include new animation systems, fluid dynamics, interactive smoke, displacement mapping and dynamic multiplayer maps. ''[[Call of Duty: Infinite Warfare]]'''s IW 7.0 features [[weightlessness]] system, [[game physics]] improvement, improved [[Artificial intelligence (video games)|AI]] and improved [[non-player character]]s behaviors.<ref>{{Cite web|url=https://gamingbolt.com/call-of-duty-infinite-warfare-wont-use-a-new-engine-but-will-feature-improvements|title=Call of Duty Infinite Warfare Won't Use A New Engine, But Will Feature Improvements|date=June 5, 2016|website=GamingBolt|access-date=February 11, 2020}}</ref><ref>{{Cite web|url=https://www.techpowerup.com/review/call-of-duty-infinite-warfare-benchmark-performance-test/|title=Call of Duty Infinite Warfare Performance Analysis|date=November 4, 2016|website=TechPowerUp|access-date=February 11, 2020}}</ref>

[[Call of Duty: Modern Warfare (2019 video game)|''Modern Warfare'' (2019 reboot)]] and ''[[Call of Duty: Warzone]]'' uses a heavily rebuilt IW engine for the series, allowing for the use of more detailed environments, advanced [[photogrammetry]] and [[Rendering (computer graphics)|rendering]], better [[volumetric lighting]], and the use of [[Ray tracing (graphics)|ray tracing]].<ref>{{cite web |last1=Jones |first1=Ali |title=Call of Duty: Modern Warfare finally has a new engine, with 4K and raytracing |url=https://www.pcgamesn.com/call-of-duty-modern-warfare/engine |website=PCGamesN |access-date=November 20, 2019}}</ref><ref>{{cite web |last1=Madan |first1=Asher |title=Call of Duty: Modern Warfare engine has been in the works for 5 years, to be used in future games |url=https://www.windowscentral.com/call-duty-modern-warfare-engine-has-been-development-5-years-will-be-used-future-games |website=Windows Central |date=May 30, 2019 |access-date=November 20, 2019}}</ref><ref>{{cite web |title=Call of Duty: Modern Warfare's engine revamp promises a generational leap in fidelity |url=https://www.eurogamer.net/articles/digitalfoundry-2019-cod-modern-warfare-delivers-series-most-advanced-visuals-yet |website=Eurogamer |date=May 30, 2019 |access-date=September 28, 2021}}</ref> The new engine had been in development five years prior to the release of the game, and was a collaborative effort between the main Infinity Ward studio in [[California]] and the new studio in [[Poland]].<ref name= "IW8"/><ref>{{Cite web |url=https://www.usgamer.net/articles/behind-the-new-engine-powering-2019-call-of-duty-modern-warfare-infinity-ward |title=2019's Call of Duty: Modern Warfare Runs on a New Engine and Includes Raytracing |date=May 30, 2019 |website=usgamer.net |access-date=September 27, 2021 |archive-date=September 27, 2021 |archive-url=https://web.archive.org/web/20210927040233/https://www.usgamer.net/articles/behind-the-new-engine-powering-2019-call-of-duty-modern-warfare-infinity-ward |url-status=dead }}</ref><ref>{{Cite news |url=https://www.washingtonpost.com/graphics/2019/video-games/call-of-duty-modern-warfare-behind-the-scenes/ |title=Building a world of Modern Warfare |date=October 17, 2019 |newspaper=The Washington Post |access-date=September 28, 2021}}</ref>

''[[Call of Duty: Modern Warfare II (2022 video game)|Call of Duty: Modern Warfare II]]'' uses a highly upgraded version of the engine first used in 2019's ''Modern Warfare''.<ref>{{Cite news |url=https://www.washingtonpost.com/video-games/2022/06/08/call-duty-future-modern-warfare-2-warzone-2/ |title=The future of Call of Duty and 'Warzone' |date=June 8, 2022 |newspaper=The Washington Post}}</ref><ref>{{Cite web |url=https://www.forbes.com/sites/erikkain/2022/06/08/call-of-duty-2022-preview-everything-we-know-about-modern-warfare-ii-and-warzone-2/?sh=bc40a013b2af |title=Everything You Need To Know About 'Call Of Duty: Modern Warfare II' And 'Warzone 2' |date=June 8, 2022 |website=Forbes}}</ref> The engine is co-developed by Infinity Ward, [[Treyarch]], and [[Sledgehammer Games]], and will be used in future installments of the series in a unified effort to ensure that every studio is working with the same tools.<ref>{{Cite web |url=https://www.polygon.com/call-of-duty/23158394/call-of-duty-modern-warfare-2-warzone-infinity-ward-new-engine-gunsmith |title=Modern Warfare 2 lays the groundwork for Call of Duty's future, including Warzone |date=June 8, 2022 |website=Polygon}}</ref><ref>{{Cite web |url=https://www.gamesradar.com/modern-warfare-2-warzone-2-and-all-future-call-of-duty-games-will-be-on-one-unified-engine/ |title=Modern Warfare 2, Warzone 2, and all future Call of Duty games will be on one "unified engine" |date=June 8, 2022 |website=GamesRadar+}}</ref><ref>{{Cite web |url=https://www.windowscentral.com/gaming/call-of-duty-ushers-in-a-new-era-with-a-unified-engine |title=Call of Duty ushers in a new era with a unified engine |date=June 8, 2022 |website=Windows Central}}</ref>