Live2D

Motion-capture animation for 2D graphics From Wikipedia, the free encyclopedia

Live2D is an animation technique (not to be mistaken with software used to create Live2D animation such as Live2D Cubism) used to animate static images—usually anime-style characters—that involves separating an image into parts and animating each part accordingly, without the need of frame-by-frame animation or a 3D model.[1][2][3][4][5][6] This enables characters to move using 2.5D movement while maintaining the original illustration.

Live2D models consist of layered parts saved as a Photoshop file (.psd format). Layers are separately moved to show the whole animation and expression of the character, such as tilting the head. Parts can be as simple as face, hair, and body, or they can be detailed to eyebrows, eyelashes, and even effects like glinting metal.

The number of layers influences how the Live2D character moves and how three-dimensional the result appears, with simpler models having fewer layers, such as around 50 layers, and larger, more complex projects having more, up to hundreds of layers, with no hard upper limits. Unlike a 3D model, there isn't a traditional skeleton, but instead the flat layers are warped and rotated.

Live2D can be used with real-time motion capture to track movements such as head movements, eye movements, and perform lip syncing for real-time applications such as vtubing or motion capture. The downside of the technology is that there is little capability for 360° rotation of complex objects and body tracking.

Live2D has been used in a wide variety of video games, visual novels, virtual YouTuber channels, and other media. Well-known examples of Live2D media and software include FaceRig,[7][8] VTube Studio, VTuber Legend,[9] Nekopara,[10] Azur Lane,[11] and virtual YouTubers (as popularized by Hololive, Nijisanji,[12] and VShojo).

History

Background

Live2D was first introduced in 2008 to resolve the need for interactive media.[13] Since then, the technology has also changed how games enhance user experience through lively characters and expressions.[14]

In 2009, Cybernoids Co. Ltd. (now Live2D Ltd.) released their very first Live2D application, Live2D Vector.[15] The application transforms vector graphics to make flat character images achieve three-dimensional head turning and moving effects. Although such characters can only perform limited activities, they perform much better than static pictures or slideshows. Users can also customize their moving character by adjusting parameters through software or collecting materials such as images of different angles of a character. Although the occupied capacity resources are reduced, the rendering of complex images consumes a lot of CPU and RAM. Also, while it can be difficult to work with more traditional art styles such as oil painting or gouache styles, creators have been experimenting with these styles with success.[16]

The first application of the Live2D technique is HibikiDokei, released by sandwichproject (株式会社レジストプランニング), an alarm app released in 2010. The alarm app has a girl character named "Hibiki" who talks and moves.[17]

In 2011, Live2D adopted PSP game Ore no Imōto ga Konna ni Kawaii Wake ga Nai Portable released by NAMCO BANDAI Games Inc. became the first game of the O.I.U. A system derived from Live2D technology was applied in a game, where the character moves and changes positions and expression while talking to the player.[18] Characters moved expressively on the screen and seamlessly like a traditionally-animated anime, which interested players and contributed to popularity of Live2D.[19]

Software

Live2D Ltd.

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Software developer Tetsuya Nakashiro had been independently developing Live2D software and founded the company Cyber Noise (or Cybernoids, Japanese:サイバーノイズ) in 2006 with support from the Exploratory IT Human Resources Project of the Japanese Information Technology Promotion Agency (IPA). Because of its novelty and lack of uptake, Cyber Noise was unsuccessful.

In 2011, Live2D software received attention after its use in the PSP game Ore no Imōto ga Konna ni Kawaii Wake ga Nai Portable. It subsequently received interest as a library for Android and iOS. Following this success, in 2014, Cyber Noise subsequently renamed itself to Live2D Ltd.,[20] unifying with its product name. Sales of Live2D have had significant growth since then. In 2021, 70% of Live2D Cubism Pro users are or create Vtubers, followed by games/app developers and animation/video creators.[21]

Live2D Ltd. provides its software and SDKs under both commercial licenses and as freeware.

Software

  • Live2D Cubism
  • Live2D Cubism Editor
  • Live2D Euclid (released in April 2017, no longer available from October 16, 2018)
  • Live2D CubismM
  • Live2DViewerEX

Official marketplace

  • nizima: nizima is a platform where users can buy and sell illustrations, Live2D data, or make-to-order transactions. Illustrators and Live2D creators are able to work together on a character and share sales on the platform. The platform also provides a Live2D preview for users to see and move the model before purchasing.[22]
  • nizima LIVE: nizima LIVE is a PC application that allows anyone to easily move a Live2D model by recognizing and tracking facial expressions. From beginners who are new to the tracking app to intermediate and above who are already familiar with Live2D, you can enjoy it for various purposes, such as VTuber activities and avatars for calls and meetings.
  • nizima Action: nizima Action is an online video editor specifically designed for creating short-form Live2D content, allowing users to easily create rich video edits in their browser, and it's perfect for producing short videos of about 1 to 5 minutes.

Other Live2D Animation Software

Animation software is able to combine with the Live2D system to create real-time animated avatars through motion capture, character animation and computer-generated imagery, including:

Animation software

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Face-tracking software

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Title Platform
Hololive iOS
Nijisanji Android, iOS
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Works using Live2D

Visual novels

More information Title, Platform ...
Title Platform Original release date
Mashiroiro Symphony Windows, PSP 2009
Ensemble Girls! Android, iOS 2012
Tokimeki Restaurant Android, iOS 2013
Nekopara Windows, macOS 2014
City of Love: Paris Android, iOS 2017
Date A Live: Rio Reincarnation Windows, PS4 2017
Crystalline Android, iOS 2018
Kaori After Story Android, iOS 2018
Runa's School Story Windows, macOS 2019
Ethereal Enigma Android, iOS 2020
Sophistry Windows, Linux, macOS 2021
Heartbeat! -After the Summer- Windows, macOS 2022
Anonymous;Code Nintendo Switch, PS4, Windows 2022
OPPAI Ero App Academy Bigger, Better, Electric Boobaloo! Windows 2023
The Fox Awaits Me HANA Windows 2023
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Mobile games

More information Title, Platform ...
Title Platform Original release date
Battle Girl High School Android, iOS 2015
BraveSword×BlazeSoul Android, iOS 2015
Ensemble Stars! Android, iOS 2015
Potion Maker Android, iOS 2015
YUMEIRO CAST Android, iOS 2015
Moe Girl Cafe 2 Android, iOS 2016
Destiny Child Android, iOS 2016
Girls' Frontline Android, iOS 2016
Azur Lane Android, iOS 2017
Brave Nine Android, iOS 2017
BanG Dream! Girls Band Party![23] Android, iOS, Nintendo Switch 2017
Depose Girls (Houchi Shoujo) Android, iOS 2017
Magia Record: Puella Magi Madoka Magica Side Story[24] Android, iOS 2017
Neptunia & Friends Android, iOS 2017
Dream Girlfriend Android, iOS 2017
Project Tokyo Dolls Android, iOS 2017
Raramagi Android, iOS 2017
Uta no Prince-sama: Shining Live Android, iOS 2017
Epic Seven Android, iOS 2018
Shoujo Kageki Revue Starlight-Re LIVE Android, iOS 2018
Mashiro Witch: Marchen of Midnight Android, iOS 2018
Ayakashi: Romance Reborn Android, iOS 2018
Promise of Wizard Android, iOS 2019
Girl Cafe Gun Android, iOS 2019
Counter:Side Android, iOS 2019
Mirage Memorial Android, iOS 2019
Palette Parade Android, iOS 2019
My Stella Knights Android, iOS 2020
Disney: Twisted-Wonderland Android, iOS 2020
Goddess Kiss: OVE Generation Android, iOS 2020
Hatsune Miku: Colorful Stage![25] Android, iOS 2020
D4DJ Groovy Mix Android, iOS 2020
Illusion Connect Android, iOS 2020
SINoALICE Android, iOS 2020
Zgirls3 Android, iOS 2020
Re:Zero − Starting Life in Another World: Lost in Memories Android, iOS 2020
Assault Lily: Last Bullet Android, iOS 2021
KonoSuba: Fantastic Days Android, iOS 2021
Artery Gear: Fusion Android, iOS 2021
Metal Waltz Android, iOS 2021
Alchemy Stars Android, iOS 2021
B-PROJECT Ryūsei*Fantasia Android, iOS, Nintendo Switch 2021
Blue Archive Android, iOS 2021
Revived Witch[26] Android, iOS 2021
Destiny Girl Android, iOS 2022
Dynasty Heroes: Romance Samkok Android, iOS 2022
Yu-Gi-Oh! Master Duel Android, iOS 2022
Idle Princess Android, iOS 2022
Girls Academy Android, iOS 2022
Clover Theater Android, iOS 2022
Date A Live: Spirit Pledge HD Android, iOS 2022
Echocalypse Android, iOS 2022
MementoMori Android, iOS 2022
Goddess of Victory: Nikke[27] Android, iOS 2022
Counter:Side Android, iOS 2022
Path to Nowhere Android, iOS 2022
Cherry Tale Android, iOS 2022
The Tale of Food Android, iOS 2023
Takt Op. Symphony Android, iOS 2023
Love Live! School Idol Festival 2: Miracle Live! Android, iOS 2023
Crazy Ones Android, iOS 2023
Reverse: 1999 Android, iOS 2023
Trickal Revive Android, iOS 2023
Phantom of the Kill -Alternative Imitation- Android, iOS 2024
Tokyo Debunker Android, iOS 2024
Ride Kamens Android, iOS 2024
18TRIP Android, iOS 2024
STARSEED: Asnia Trigger Android, iOS 2024
Echocalypse: The Scarlet Covenant Android, iOS 2024
Die Neue Saga Android, iOS 2024
Emberstoria Android, iOS 2024
Jujutsu Kaisen: Phantom Parade Android, iOS 2024
Journey Renewed: Fate Fantasy Android, iOS 2024
Puella Magi Madoka Magica: Magia Exedra Android, iOS 2025
Shadowverse: Worlds Beyond Android, iOS 2025
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Console games

More information Title, Platform ...
Title Platform Original release date
Boku wa Tomodachi ga Sukunai (Haganai) PSP 2012
Fire Emblem Fates 3DS 2015
Kancolle Kai[28] PS Vita 2016
Akiba's Beat PS4, PS Vita 2016
Dark Rose Valkyrie PS4, PS Vita 2016
Sword Art Online: Alicization Lycoris PS4, Xbox One 2020
Azur Lane Crosswave PS4, Nintendo Switch 2020
Neptunia: Sisters VS Sisters PS4, PS5, Nintendo Switch, Xbox 2022
TOKYO PSYCHODEMIC PS4, PS5, Nintendo Switch 2024
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PC games

More information Title, Original release date ...
Title Original release date
Herald: An Interactive Period Drama 2017
Namu Amida Butsu! -UTENA-[29] 2019
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See also

References

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