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Write-Once, Transpile-Everywhere: Re-using Motion Controllers of Virtual Humans Across Multiple Game Engines

Abstract : Transpilation allows to write code once and re-use it across multiple runtime environments. In this paper, we propose a software development practice to implement once the motion controllers of virtual humans and re-use the implementation in multiple game engines. In a case study, three common human behaviors – blinking, text-to-speech, and eye-gaze – were developed in the Haxe programming language and deployed in the free, open-source Blender Game Engine and the commercial Unity engine. Performance tests show that transpiled code executes within 67% faster to 127% slower with respect to an implementation manually written in the game engine target languages.
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https://hal-uphf.archives-ouvertes.fr/hal-03384580
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Submitted on : Tuesday, October 19, 2021 - 9:19:19 AM
Last modification on : Wednesday, November 3, 2021 - 4:43:28 AM

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Fabrizio Nunnari, Alexis Heloir. Write-Once, Transpile-Everywhere: Re-using Motion Controllers of Virtual Humans Across Multiple Game Engines. Augmented Reality, Virtual Reality, and Computer Graphics - 5th International Conference, AVR 2018, Jul 2018, Otranto, Italy. pp.435-446, ⟨10.1007/978-3-319-95270-3_37⟩. ⟨hal-03384580⟩

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