• Journal of Korea Game Society
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• v.16 no.5
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• pp.99-110
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• 2016

This paper proposes the adaptive way that intended screen applies the same proportion of the game screen to mobile devices having various resolution. Generally speaking, clipping is the way to show only part of screen with designated proportion and is widely used in game industry. It costs additionally because developers make game screens fit various resolutions. However, the proposed method of this study saves developing time and cost if automatically calculated output is possible according to designated screen proportion and devices' aspect ratio. This suggested algorithm makes it possible to display game screen in same proportion automatically to various resolution and the mini-map is automatically fixed regardless of the mobile devices' resolution.

• Journal of Korea Game Society
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• v.15 no.4
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• pp.189-198
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• 2015

This paper is about a serious game controlled by EEG and motion capture. We developed our game for 2 users competitive and its method is as follows. One player uses a controlling interface using EEG signals based on the premise that the player's facial movements are a depiction of the player's emotion and intensity throughout the game play. The other player uses a controlling interface using kinect's motion capture technology which captures the player's vertical and lateral movements as well as state of running. The game shows the first player's EEG as a real-time graphic along the map on the game screen. The player will then be able to pace himself based on these visualization graphics of his brain activities. This results in higher concentration for the player throughout the game for a better score in the game. In addition, the second player will be able to improve his physical abilities since the game action is based on real movements from the player.

• Proceedings of the Korea Information Processing Society Conference
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• 2006.05a
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• pp.177-180
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• 2006

체감형 게임을 하기 위한 지형 인터페이스 모델로써 스노우보드 게임에서 사용되는 지형 Map Tool을 구현한다. 게임에 쓰이게 될 3D 지형을 하이트 2D 맵 편직기만을 이용해서 만들기는 힘들며 이러한 방법은 지형의 세밀함이 떨어지고 게임상에서 계속 불러들여 확인하는 것은 비효율적이다. 하이트맵을 3D 상에서 직접 불러와 편집을 하고 저장할 수 있게 된다면 훨씬 효율적이며 퀄리티를 높일 수 있을 것이다.

• Journal of Korea Game Society
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• v.5 no.1
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• pp.53-60
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• 2005

To produce deep, entertaining mobile content, a large number of images must be included. But because of the limits on runtime memory for mobile phones, images cannot be used as easily in a mobile environment as they are in a computer. Therefore in this paper, I propose several different methods for efficiently using images in a mobile environment. The various methods I propose for using images are: Creating images using compression/decompression and rotation/symmetry Creating images of several different colors by changing the palette index of a bitmap Creating images through image combination Creating background images by using tile maps Creating new images through effects.

• Journal of Korea Game Society
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• v.20 no.6
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• pp.43-52
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• 2020

This paper presents a fast pattern tracking method using location prediction in cubemap video for 360-degree VR. A spherical cubemap frame has six face textures and searching a pattern is much slower than a flat image. To overcome the limitation, we propose a method of predicting the location of target pattern using Kalman filter and reducing the search area by considering only textures of predicted location. The experimental results showed that the proposed system is much faster than the previous method of searching all six faces and also gives accurate pattern tracking performance.

• Journal of the Korea Society for Simulation
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• v.20 no.4
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• pp.105-114
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• 2011

The roadmap-based planning is a path planning method which is used widely for a goal-directed movement in Robotics and has been applied to the world of computer animation such as computer games. However it is unnatural for computer characters to follow the path planned by the roadmap method as it is performed in Robotics. Flocking which is used for realistic and natural movements in computer animation enables character's movement by using a few simple rules without planning unlike the roadmap method. However it is impossible to achieve a goal-directed movement with flocking only because it does not keep states. In this paper we propose a simulation method which combines planning based on the road map with reactive actions for natural movements along the path planned. We define and implement steering behaviors for a leader which are needed to follow the trajectory naturally by analysing characteristics of roadmap-based paths and for the rest of members which follow the leader in various manners by detecting obstacles. The simulations are performed and demonstrated by using the implemented steering behaviors on every possible combination of roadmap-based path planning methods and models of configuration spaces. We also show that the detection of obstacle-collisions can be done effectively because paths are planned in the configuration space in which a moving object is reduced to a point.

• Journal of KIISE
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• v.43 no.9
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• pp.1026-1033
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• 2016

Path-finding on a grid map is a problem generally addressed in the fields of robotics, intelligent agents, and computer games. As technology advances, virtual game worlds tend to be represented more accurately and more realistically, resulting in an excessive increase in the number of grid tiles and in path-search time. In this study, we propose a path-finding algorithm that allows a prompt response to real-time queries by constructing a reduced state space and by precomputing all possible paths in an offline preprocessing stage. In the preprocessing stage, we vertically decompose free space on the grid map, construct a connectivity graph where nodes are the decomposed regions, and store paths between all pairs of nodes in matrix form. In the real-time query stage, we first find the nodes containing the query points and then retrieve the corresponding stored path. The proposed method is simulated for a set of maps that has been used as a benchmark for grid-based path finding. The simulation results show that the state space and the search time decrease significantly.

• Proceedings of the Korean Society of Computer Information Conference
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• 2016.01a
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• pp.49-50
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• 2016

본 논문에서는 XNA Game Studio를 이용한 Kinect 센서 기반의 동작 인식 미로 게임 Come Back Home을 설계하고 구현한다. 이 게임은 3단계로 구성되어 있으며 각 미로는 단계별로 맵의 넓이와 클리어 제한 시간이 다르다. 플레이어는 제한된 시간 내에 출구를 찾아야만 다음 단계로 넘어갈 수 있다. 하지만 제한시간 내에 출구를 찾지 못하면 게임이 종료된다. 또한, 게임 내에는 두 종류의 게임 요소를 배치한다. 첫 번째 게임 요소는 동작인식 트래킹을 이용한 과일 줍기 게임 요소로 떨어지는 과일을 정해진 숫자만큼 주워야한다. 하지만 떨어지는 해골을 두 번 이상 줍게 된다면 게임은 실패한다. 두 번째 게임 요소는 스피치 음성 인식을 이용한 퀴즈 게임으로 상식, 넌센스, 고대생물, 수도, 별자리 등의 다양한 장르의 문제가 무작위로 출제된다. 플레이어는 총 10개의 문제 중 7개 이상 정답을 찾아야 게임을 성공시킬 수 있다. 이러한 게임 요소의 성공과 실패 여부에 따라 플레이어는 미로 찾기에서 사용할 수 있는 유용한 아이템을 획득할 수 있다.

• Journal of Korea Game Society
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• v.21 no.5
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• pp.87-104
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• 2021

Ludo-narrative dissonance is a prevalent problem among open-world genre video games. However, Ghost of Tsushima (2020) alleviates this issue by designing its characters and narrative structure influenced by Akira Kurosawa's samurai films. The game's protagonist represents "Bushido," a samurai code, and the structure exudes similarity to Joseph Campbell's "Hero's Journey," which heavily influenced Kurosawa's films. The developers also designed the gameplay mechanics such as level-up system, map design, and side quests based on these narrative traits, ultimately making the goal of the narrative and the gameplay mechanics cohesive.

• Journal of Korea Game Society
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• v.19 no.6
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• pp.49-60
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• 2019

Interior Mapping has been used to reduce graphics resources. In this paper, rendering speed(FPS), the number of polygons, shader complexity and each resource size of Interior Mapping were compared to those of actual modeling in order to examine the performance of 3D games when the technology is adapted by utilizing Unreal Engine 4. In addition, for the efficient application, the difference in performance according to the resolution and detail of cube map texture was verified.