hg-ast

Implementations of Mercury's incredible library hg_sdf using shader-ast

License

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
//
// Copyright (c) 2011-2021 Mercury Demogroup
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

@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}
}