Implementations of Mercury's incredible library hg_sdf using shader-ast
This is a port of Mercury Demogroup's work. There are a handful of minor changes for shader-ast niceness, but mostly I stuck 1:1 to their APIs. As such, here's their citation + license.
// MIT License
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// Copyright (c) 2011-2021 Mercury Demogroup
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@misc{HG_SDF,
title = {HG_SDF: A glsl library for building signed distance functions},
author = {Kornd\"orfer, Johann and Keinert, Benjamin and Ganse, Urs and S\"anger, Michael and Ley, Simon and Burkhardt, Konstanze and Spuler, Mario and Heusipp, J\"orn},
year = {2015},
howpublished = {\url{https://mercury.sexy/hg_sdf}},
note = {Accessed: 2021-07-28}
}