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A comparative study of navigation meshes

Abstract : A navigation mesh is a representation of a 2D or 3D virtual environment that enables path planning and crowd simulation for walking characters. Various state-of-the-art navigation meshes exist, but there is no standardized way of evaluating or comparing them. Each implementation is in a different state of maturity, has been tested on different hardware, uses different example environments, and may have been designed with a different application in mind. In this paper, we conduct the first comparative study of navigation meshes. First, we give general definitions of 2D and 3D environments and navigation meshes. Second, we propose theoretical properties by which navigation meshes can be classified. Third, we introduce metrics by which the quality of a navigation mesh implementation can be measured objectively. Finally, we use these metrics to compare various state-of-the-art navigation meshes in a range of 2D and 3D environments. We expect that this work will set a new standard for the evaluation of navigation meshes, that it will help developers choose an appropriate navigation mesh for their application, and that it will steer future research on navigation meshes in interesting directions.
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https://hal.inria.fr/hal-01392267
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Submitted on : Friday, November 4, 2016 - 11:15:42 AM
Last modification on : Tuesday, November 17, 2020 - 3:09:46 AM
Long-term archiving on: : Sunday, February 5, 2017 - 1:37:25 PM

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Wouter van Toll, Roy Triesscheijn, Marcelo Kallmann, Ramon Oliva, Nuria Pelechano, et al.. A comparative study of navigation meshes. MIG '16 - 9th International Conference on Motion in Games , Oct 2016, San Francisco, United States. pp.91 - 100, ⟨10.1145/2994258.2994262⟩. ⟨hal-01392267⟩

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