• Proceedings of the Korean Institute of Intelligent Systems Conference
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• 2006.05a
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• pp.317-321
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• 2006

게임의 재미요소를 증대 시키고, 게임 생명주기(Life-Cycle)를 늘어나게 하기 위해 다양한 방법이 연구 중이다. 현실감 있는 그래픽 효과와 뛰어난 음향 효과 등과 함께 게임 플레이어의 게임 스타일이 반영된 게임을 만들기 위한 방법이 대표적이 예라 할 수 있다. 그 중 게임 플레이어의 스타일을 게임에 다시 이용하기 위해서는 플레이어의 인지과정이 요구되며, 인지된 결과를 이용하여 플레이어를 모델링(User Modeling)한다. 하지만, 게임의 종류와 특성에 따라 다양한 게임이 존재하기 때문에 플레이어를 모델링하기 어렵다는 문제를 가지고 있다. 본 논문에서는 게임에서 정의된 FSM(Finite State machine)을 이용하여 플레이어가 선택한 행동 패턴을 분석하고 적용하는 방법과 다양한 게임에서 이용 할 수 있는 스크립트 형태의 NPC 행동 패턴 변경 방법을 제안한다. 플레이어의 데이터를 분석하여 얻은 결과는 FSM을 변경하여 새로운 행동을 보이는 NPC(Non-Player Characters)를 생성하는데 사용되며, 이 캐릭터는 게임의 특성과 플레이어의 최신 행동 패턴 경향을 학습한 적용형 NPC라 할 수 있다. 실험을 통하여 사용자의 행동과 유사한 패턴을 보이는 NPC의 생성을 확인할 수 있었으며, 게임에서 상대적인 또는 적대적인 캐릭터로 유용하게 사용 될 수 있다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2013.07a
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• pp.293-294
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• 2013

다양한 생물체의 행동 원리를 이용하여 모델링한 알고리즘을 생체모방 알고리즘(Biologically Inspired Algorithm)이라고 한다. 본 논문에서는 생체모방 알고리즘 중 동물 집단의 행동을 모델링한 플로킹 알고리즘(Flocking Algorithm)을 이용한 집단 게임 캐릭터의 길찾기 방법을 제안한다. 플로킹 알고리즘의 조타행동은 크게 분리(Separation), 정렬(Alignment), 응집(Cohesion), 회피(Avoidance)로 구성되어 있다. 게임에서의 기존 플로킹 알고리즘은 주로 여러 개의 몬스터나 NPC 들로 구성된 몇 개의 그룹 단위로 독자적인 집단 행동을 하는 경우에 적합하다. 그러나, 게임플레이어가 제어하는 캐릭터가 많은 경우, 기존 알고리즘은 플레이어가 선택한 캐릭터 그룹을 목표지점으로 이동하는 방법으로 적합하지 않다. 따라서 본 논문에서는 게임 플레이어가 제어하는 집단 게임캐릭터의 목표 지점까지의 길찾기를 위한 수정된 정렬 조타행동 알고리즘을 제안한다.

• Journal of Korea Multimedia Society
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• v.8 no.9
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• pp.1269-1281
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• 2005

The control of character's behavior in games is determined by game designers. One of the popular method used in the control of character's behaviors is rule-based. The rule-based control of behavior makes the flow of play simple and boring. In this paper, we propose an efficient method of controling character's behaviors which can generate various actions of characters by using probability estimation applied to the character's behaviors.

• Journal of Music and Human Behavior
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• v.17 no.2
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• pp.1-28
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• 2020

This case study aimed to investigate changes in adolescents' awareness of the motivation behind their excessive internet gaming after group music psychotherapy. Five middle school students participated in six 60-minute group sessions over 4 weeks. The group music psychotherapy program was developed to help participants understand their implicit reasons for excessive internet gaming. Verbal responses were obtained from pre-program and post-program interviews and original lyrics created by participants during program were collected for analysis. Obtained data were analyzed in terms of emotional and cognitive aspects in relation to the participants' awareness of the motivation behind their excessive gaming. The results showed that song writing as creative musical process allowed participants to be aware of positive and negative influence of gaming on themselves and express their motivation to change their perception on gaming behavior. Also, the participants reported that the use of musical product for their daily lives could be an effective coping strategy to manage their gaming behaviors and an alternative for gaming. The findings from this study support that group music psychotherapy can be an effective approach to promote awareness of adolescents' motives for excessive internet gaming and to help adolescents better manage their gaming behaviors.

• Proceedings of the Korean Information Science Society Conference
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• 2007.10c
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• pp.293-296
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• 2007

컴퓨터 게임 산업이 발전함에 따라 사용자의 흥미를 측정하거나 불법 소프트웨어 구별을 위해 사용자 분석에 관한 연구가 진행 중이다. 그 예로 최근에 사용자 분석을 통하여 게임 레벨 디자인을 하거나 이를 게임 균형에 이용하는 연구들이 있다. 본 논문은 개인적인 게임 환경에서 사용자의 적절한 게임 경험을 위해 시간열 데이터 마이닝 개념을 이용하여 게임 사용자 모델 분석을 제안한다. 본 논문은 사용자가 게임을 하고 있는 동안 의미 있는 사용자 행동을 저장하고 차원감소와 SOM을 이용하여 4가지 행동 유형으로 클러스터링하고 행동 유형에 따른 사용자를 분석한다.

• Journal of Internet Computing and Services
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• v.8 no.6
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• pp.103-114
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• 2007

In an arcade game, the users can easily predict the monster's action because most of the game monster's action patterns are acted only in the predefined patterns, This paper attempts how to increase the player's satisfaction while making the unpredictable action patterns easily, This research defines and realizes the monster's action patterns through the FSM algorithm. In addition, this paper added the predictable factors of monsters in an action patterns of a game monster to optimize the game, On analyzing the result of game play, the game monster's action was evenly used in the whole playing map and the game monster showed that it operated without the recursion of certain action properly.

• The Journal of the Korea Contents Association
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• v.15 no.11
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• pp.215-226
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• 2015

As violent video game is used based on active interaction and involvement of users, it is widely thought that it may have more effect on individual violence and aggressive action than existing violent videos. This study aimed to examine the effect of user experiences in the violent video game such as hostility, anger, arousal, enjoyment and identification on users' aggressive action. For this purpose, the first person FPS shooting game that consists of violent contents was employed to carry out playtest for 80 subjects with 40 male and 40 female university students. As a result, it was found that the user's arousal level, state anger, enjoyment and identification experience by the use of violent video game had an effect on aggressive action. Among factors that have aggressive action in the used of violent video game, besides emotion and arousal, the level of identification with a game character was found to be important effect factor. Hostility factor that was assumed to have effect on aggressive action was not significant, but enjoyment of game was proved to have effect on aggressive action of users.

• Journal of Korea Entertainment Industry Association
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• v.13 no.3
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• pp.317-332
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• 2019

The purpose of this study is to analyze the personality trait of game users' game behavior and to investigate the differences according to demographic variables. For research, questionnaire survey was conducted for game users of 10~ 40's, and the collected data was analyzed and processed using the statistics package program SPSS 20.0. The results of the study showed that the Big 5 personality traits had a significant impact on game use, and in the case of Conscientiousness, most of them were positive for use of Adaptive games and most of them had negative effects on Maladaptive game use. Even in personal characteristics, a variable showing a significant influence on game use was found, which showed meaningful effects in game platform, game frequency, and occupation. In subsequent research, it is necessary to identify the variables such as types of games or platforms that can reflect characteristics of games, and to understand what kind of roles play in the relationship between game user characteristics and game use behavior.

• Journal of Korea Game Society
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• v.8 no.4
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• pp.95-105
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• 2008

In virtual games, Non-Playing Character(NPC)s as game elements tend to frequently communicate with game players. Although the artificial-intelligence (AI) algorithm widely used for games has been greatly developed, basic roles of NPCs have remained on the same. In a life game whose goal is to observe the actions and behaviors of the human-like NPCs, for example, their straightahead actions cause boredom. Actually, NPCs fail to display their various expressions that are characterized by humans. To make NPCs act like humans, several characters with a greater variety of characteristics need to be created. this paper proposes how NPCs both express the wide range of emotions using probability distribution and react based on their different characteristics. To verify the change of NPC actions, personalities were assigned according to the probability distribution and this algorithm was applied to a 3D game to validate the method suggested in this paper.

• Proceedings of the Korean Society of Computer Information Conference
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• 2016.01a
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• pp.267-269
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• 2016

본 논문에서는 언리얼 엔진4의 Behavior Tree(행동 트리)를 이용하여 NPC의 다양한 상태와 움직임을 가진 어드벤처 게임 AI를 설계 및 개발하였고, 그 효율성을 분석하였다. Behavior Tree는 상태와 행동을 계층적으로 나누어 AI의 행동을 결정하는 알고리즘으로 FSM(Finite State Machine, 유한상태기계)과 비교하여 유지보수와 행동 규칙 검증의 어려움을 해결하는 데 장점이 있음을 확인하였다.