Journal of Korea Game Society (한국게임학회 논문지)

Korea Game Society (한국게임학회)
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Path Optimize Research used Ray-Tracing Algorithm in Heuristic-based Genetic Algorithm Pathfinding

휴리스틱 유전 알고리즘 경로 탐색에 광선 추적 알고리즘을 활용한 경로 최적화 연구

  • 고정운 (공주대학교 게임디자인학과) ;
  • 이동엽 (공주대학교 게임디자인학과)
  • Received : 2019.07.10
  • Accepted : 2019.11.13
  • Published : 2019.12.20
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Abstract

Heuristic based Genetic Algorithm Pathfinding(H-GAP), a method without the need for node and edge information, can compensate the disadvantages of existing pathfinding algorithm, and perform the path search at high speed. However, because the pathfinding by H-GAP is non-node-based, it may not be an optimal path when it includes unnecessary path information. In this paper, we propose an algorithm to optimize the search path using H-GAP. The proposed algorithm optimizes the path by removing unnecessary path information through ray-tracing algorithm after the H-GAP path search is completed.

휴리스틱 기반의 유전 알고리즘 경로 탐색(H-GAP)은 노드, 에지 정보를 필요로 하지 않기 때문에 기존 경로 탐색 알고리즘의 단점을 보완하고 빠른 속도로 경로 탐색을 수행할 수 있다. 하지만 H-GAP를 이용해 탐색한 경로는 비 노드 기반이기 때문에 불필요한 경로 정보가 포함되어 탐색된 경로가 최적의 경로가 아닐 때도 있다. 본 논문에서는 H-GAP를 이용해 탐색한 경로를 최적화하는 알고리즘을 제안한다. 제안하는 알고리즘은 H-GAP의 경로 탐색이 완료된 후 광선 추적 알고리즘을 이용해 불필요한 경로 정보를 제거하여 경로를 최적화한다.

Keywords

References

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