• Title/Summary/Keyword: 3D Game Character Animation

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Study on the motion acting in the game character animation (게임캐릭터애니메이션 동작연기연구)

  • Hwang, Kil-Nam
    • Proceedings of the Korea Contents Association Conference
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    • 2006.05a
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    • pp.273-278
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    • 2006
  • In the virtual space in which human imagination exists, a great deal of games and animation contents have been developed and shown. Games and animations are performing a role as an unrealistic representative, and creating abundant virtual culture with variety of human life. A representative, that is, a main character is being completed with external design, unique personality and ability, and action in the story. This study is expecting that a game character might develop into motion acting for emotional situation from the simple action. As giving a game character a role as a medium to express various circumstances and emotions, choosing motions from a pantomimist and applying them to 3D character, and expressed according to the motion acting. Motion acting is extended from the basic motion into the emotional phases such as joy, anger, sorrow and pleasure. The motion acting expressed from various viewpoints is suggested, as communicating clear message through emotional acting contrary to the symbolic language.

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Implementing a set of Direct3D Functions on OpenGL (OpenGL을 이용한 Direct3D 기능의 구현)

  • Do, Joo-Young;Baek, Nak-Hoon
    • The Journal of the Korea Contents Association
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    • v.11 no.11
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    • pp.19-27
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    • 2011
  • In this paper, we present an emulation library for the essential features and their API function calls provided by Direct3D, the most actively used API for computer game-related application programs on the MS-Windows-based desktop's, with OpenGL library in the Linux environment. In typical Linux-based systems, only the X window system and OpenGL graphics library are available. There are lots of needs for this kind of emulation library to convert the Direct3D-based game applications and user interfaces on these systems. Through carefully selecting the essential API functions from the DirectX version 9.0, we obtained the prototype implementation of that emulation library, to finally get the final full-scale DirectX implementation. Our implementation currently covers 3D coordinate transformations, light and material processing, texture mapping, simple animation features and more. We showed its feasibility through successfully executing a set of Direct3D demonstration programs including a real-world game character animation on our implementation.

A nonvocal communication system for emotional expression of characters in 2D games (2D 게임 캐릭터의 감정표현을 위한 비언어적 커뮤니케이션 시스템 제안)

  • Hong, Soo-Hyeon;Lee, Young-Suk;Lee, Mi-Young
    • Journal of Digital Contents Society
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    • v.12 no.3
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    • pp.397-407
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    • 2011
  • Characters' nonvocal communication plays an essential role in delivering lines and expressing emotions. A character in a game is represented with its nonvocal behavior combined with a large number of lines. In this paper, characters' nonvocal communication behaviors are categorized and analyzed. Furthermore, characters' gestures and movements are designed with bones for character gesture generation in 2D games. Besides, characters' movements are visualized. In brief, a nonvocal communication system for emotional expression of characters in 2D games is proposed.

Space-Time Warp Curve for Synthesizing Multi-character Motions

  • Sung, Mankyu;Choi, Gyu Sang
    • ETRI Journal
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    • v.39 no.4
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    • pp.493-501
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    • 2017
  • This paper introduces a new motion-synthesis technique for animating multiple characters. At a high level, we introduce a hub-sub-control-point scheme that automatically generates many different spline curves from a user scribble. Then, each spline curve becomes a trajectory along which a 3D character moves. Based on the given curves, our algorithm synthesizes motions using a cyclic motion. In this process, space-time warp curves, which are time-warp curves, are embedded in the 3D environment to control the speed of the motions. Since the space-time warp curve represents a trajectory over the time domain, it enables us to verify whether the trajectory causes any collisions between characters by simply checking whether two space-time warp curves intersect. In addition, it is possible to edit space-time warp curves at run time to change the speed of the characters. We use several experiments to demonstrate that the proposed algorithm can efficiently synthesize a group of character motions. Our method creates collision-avoiding trajectories ten times faster than those created manually.

A Study on a technology of extraction of motion objects (3차원 동작객체 추출기술에 관한 연구)

  • 오용진;박노국
    • Proceedings of the Korea Society for Industrial Systems Conference
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    • 1999.05a
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    • pp.154-162
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    • 1999
  • This paper introduces the research and development of automatic generation technology to develop the character agent. The R&D of this technology includes three major elements-body model generation, automatic motion generation and synthetic human generation. Main areas of application would be cyber space- 3D game, animation, virtual shopping, on line chatting, virtual education system, simulation and security system.

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A Study on Game Character Rigging for Root Motion (루트 모션을 위한 게임 캐릭터 리깅 연구)

  • SangWon Lee
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2023.07a
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    • pp.163-164
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    • 2023
  • 실시간 3D 렌더링 게임의 제작 환경에서 캐릭터의 움직임은 모션 캡처(motion capture)를 통해 만들거나 애니메이터에 의해 제작된다. 걷기나 달리기 등 일정한 속도로 캐릭터가 움직이는 모션은 캐릭터가 제자리(in place)에서 움직이도록 한 뒤에 게임에서 프로그램에 의해 일정한 속도로 움직임으로써 구현할 수 있다. 하지만 일정하지 않은 속도로 움직이는 모션을 같은 방식으로 적용하면 캐릭터의 이동이 어색해진다. 이런 어색함을 보완하기 위해 언리얼이나 유니티 3D 등의 엔진에서는 루트 모션(root motion) 기능을 사용하고 있다. 그런데 루트 모션을 위한 계층 구조는 애니메이터의 작업 효율을 위한 계층 구조와 다른 측면이 있다. 본 논문에서는 3ds Max를 사용하여 애니메이터 친화적이고 루트 모션에도 적합한 캐릭터 리깅을 제시한다.

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Character Motion Generation and Control with Hierarchical Parametric Functions (계층적 매개함수를 이용한 캐릭터 동작 생성 및 제어)

  • Ok, Soo-Yol
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.12 no.7
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    • pp.1193-1201
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    • 2008
  • In this paper, we propose a automated techniques for generating the gait animation of humanoid character model required in game applications. The proposed method can generate motion data of various styles with intuitive manipulation, and techniques for editing motion data are also proposed. In addition, we introduce an automated tool for gait animation of character model developed with the proposed method to verify the effectiveness of our method. The proposed method tan be successfully employed in motion authoring tools. In this paper, only the gait animation was considered. However, the proposed method can be applied to various motions and can be utilized as a motion engine that automatically generates proper motion according to the state of the character. The motion engine can express various behavior of the character without requiring motion data base which is usually employed in 3D online games.

Suggestion of Emotional Expression with Human Character in 3D Animation using Layering Method (레이어링을 사용한 3D 애니메이션 인간형 캐릭터의 감정 표현 방법 제안)

  • Kim, Joo-Chan;Suk, Hae-Jung
    • The Journal of the Korea Contents Association
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    • v.15 no.5
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    • pp.1-17
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    • 2015
  • In domestic game market, the video game market is getting smaller and also decreasing funds and high level developers. So we need the software that can help us to make more realistic and high quality contents by non-expert developer in poor environments. In this paper, we selected global studio's animations which were scored good evaluation by public and critics as a well-made emotional expression that can convey the emotion properly. We selected movements that express emotions from the animation scripts by using Ekman's 6 basic emotions and Greimas' dynamic predicate, and then we had analyzed and categorized with the data. We also analyzed the movements for which data we needed to create specific movements to express emotions by using 'Animation Layer' that used in Unity's blending process. And suggest concept of the program that to create the emotional expression movements by using those analyzed data.

Design of 3D Action Game for PC Environment (PC 환경에서의 3인칭 액션게임 설계)

  • An, Sung-Ohk;Lee, HeeBum;Park, Dong-Won;Kim, SooKyun;Jung, Jinyoung
    • Journal of the Korea Society of Computer and Information
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    • v.19 no.4
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    • pp.63-69
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    • 2014
  • Third Person Action Game is a genre receiving continuous interest from many game enthusiasts. The most distinctive feature about third person action games is that the user can actually see the character as well as the various actions, which in turn increases user engagement. Many games are developed using game engines. However, this study designs a third person action game using only DirectX library instead of the specialized techniques in game engines. By doing so, the game development costs will be minimalized. The study also uses several basic algorithms in order to process the various events and to make the animation effects more efficiently managed in the graphic device. The performance superiority is demonstrated by the results of the study.

Noise-Robust Capturing and Animating Facial Expression by Using an Optical Motion Capture System (광학식 동작 포착 장비를 이용한 노이즈에 강건한 얼굴 애니메이션 제작)

  • Park, Sang-Il
    • Journal of Korea Game Society
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    • v.10 no.5
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    • pp.103-113
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    • 2010
  • In this paper, we present a practical method for generating facial animation by using an optical motion capture system. In our setup, we assumed a situation of capturing the body motion and the facial expression simultaneously, which degrades the quality of the captured marker data. To overcome this problem, we provide an integrated framework based on the local coordinate system of each marker for labeling the marker data, hole-filling and removing noises. We justify the method by applying it to generate a short animated film.