Journal of Korea Game Society (한국게임학회 논문지)

Korea Game Society (한국게임학회)
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A Shader Technique that applies Noise Texture to Vertex Movement and Surface Texture Mapping of Polygon Mesh

폴리곤 메시의 정점 이동과 표면 텍스처 매핑에 노이즈 텍스처를 적용하는 쉐이더 기법

  • Hong, Minseok (Global School of Media, Soongsil University) ;
  • Park, Jinho (Global School of Media, Soongsil University)
  • 홍민석 (숭실대학교 미디어학부) ;
  • 박진호 (숭실대학교 미디어학부)
  • Received : 2021.01.04
  • Accepted : 2021.03.31
  • Published : 2021.04.20
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Abstract

Particle and noise are effectively used to implement unspecific VFX like an explosion, magic. Particle can create freely but, The more usage, the higher CPU/GPU usage. This paper using polygon mesh that is hard to change but consumes fixed resources to overcome the demerit of particle and reduce CPU/GPU usage. Also, using shader, apply noise texture that is suitable unspecific pattern to vertex and surface texture mapping of polygon mesh for implement VFX in unity. As a result of experiment, shader applied sphere polygon mesh show 2~4ms CPU, 1~2ms GPU usage in profiler. Also It has been shown that shader can be used to implement unspecific VFX.

폭발, 마법 등 불특정한 시각효과를 구현하는데 파티클과 노이즈가 효과적으로 사용된다. 파티클은 자유롭게 제작할 수 있지만, 많이 사용될수록 CPU/GPU 사용률이 높아진다. 본 논문에서는 이러한 단점을 극복하기 위해 변경이 어렵지만, 정해진 자원을 소모하는 폴리곤 메시를 활용해 CPU/GPU 사용률을 줄인다. 그리고 쉐이더를 활용해 폴리곤 메시의 정점과 표면 텍스처 매핑에 불특정한 패턴을 가진 노이즈 텍스처를 적용하여 시각효과를 구현한다. 실험결과, 프로파일러에서 쉐이더를 적용한 구체 폴리곤 메시가 2~4ms CPU, 1~2m_s GPU 사용률을 보였고 쉐이더를 활용해 불특정한 시각효과를 구현할 수 있음을 보였다.

Keywords

References

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