AVSim/simulation-package

1/******************************************************************************2 *          Copyright 2024 NVIDIA Corporation. All rights reserved.           *3 ******************************************************************************4 5Permission is hereby granted by NVIDIA Corporation ("NVIDIA"), free of charge,6to any person obtaining a copy of the sample definition code that uses our 7Material Definition Language (the "MDL Materials"), to reproduce and distribute8the MDL Materials, including without limitation the rights to use, copy, merge,9publish, distribute, and sell modified and unmodified copies of the MDL 10Materials, and to permit persons to whom the MDL Materials is furnished to do11so, in all cases solely for use with NVIDIA's Material Definition Language,12subject to the following further conditions:13 141. The above copyright notices, this list of conditions, and the disclaimer15that follows shall be retained in all copies of one or more of the MDL16Materials, including in any software with which the MDL Materials are bundled,17redistributed, and/or sold, and included either as stand-alone text files,18human-readable headers or in the appropriate machine-readable metadata fields19within text or binary files as long as those fields can be easily viewed by the20user, as applicable.212. The name of NVIDIA shall not be used to promote, endorse or advertise any 22Modified Version without specific prior written permission, except a) to comply23 with the notice requirements otherwise contained herein; or b) to acknowledge24the contribution(s) of NVIDIA.25 26THE MDL MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS27OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,28FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,29TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR 30ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, 31INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF 32CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE33THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.34*/35 36mdl 1.6;37 38import ::anno::*;39import ::math::*;40import ::base::*;41import ::df::*;42import ::nvidia::core_definitions::flex_material;43import ::state::normal;44 45 46const string COPYRIGHT = 47" Copyright 2024 NVIDIA Corporation. All rights reserved.\n"48" MDL MATERIALS ARE PROVIDED PURSUANT TO AN END USER LICENSE  AGREEMENT,\n"49" WHICH WAS ACCEPTED IN ORDER TO GAIN ACCESS TO THIS FILE.  IN PARTICULAR,\n" 50" THE MDL MATERIALS ARE PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n"51" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF\n"52" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF\n" 53" COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA\n"54" CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY\n"55" GENERAL, SPECIAL,  INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN\n"56" AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR\n"57" INABILITY TO USE THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.\n";58 59 60material gem_definition(61	color transmission_color = color(1.0),62    uniform color glass_color = color(.95),63    float roughness = 0.0,64    uniform float volume_ior = 1.4f,65    uniform bool dispersion = true,66    uniform float abbe_number = 1.4f,67    uniform float base_thickness = .1,68    float3 normal = ::state::normal()69)70[[71	::anno::hidden()72]]73 = let{74	 75    bsdf glossy_bsdf = ::df::simple_glossy_bsdf(76        mode: ::df::scatter_reflect,77        tint: color(1.),78        roughness_u: roughness79    );80    bsdf glossy_bsdf_transmission = ::df::simple_glossy_bsdf(81        mode: ::df::scatter_transmit,82        tint: transmission_color,83        roughness_u: roughness84    );85} in material(86    thin_walled: false,87    surface: material_surface(88        ::df::weighted_layer(89            normal: normal,90            weight: 1.,91            layer: ::df::color_fresnel_layer(92                layer: glossy_bsdf,93                base: glossy_bsdf_transmission,94                ior: dispersion?::base::abbe_number_ior(volume_ior, abbe_number):color(volume_ior)95            )96        )97    ),98    volume: material_volume(99        absorption_coefficient: (base_thickness <= 0)? color(0): ::math::log(glass_color) / -base_thickness100    ),101    ior: dispersion?::base::abbe_number_ior(volume_ior, abbe_number):color(volume_ior)102);103 104 105export material Sapphire(106    uniform color transmission_color = color ( 0.509804f , 0.427451f , 0.8196079f)107    [[108        ::anno::display_name("Transmission Color"),109        ::anno::description("Color effect for transmission independent of thickness of the object."),110        ::anno::in_group("Appearance")111    ]],112    uniform color volume_color = color ( 0.001f , 0.03137255f , 0.2392157f)113    [[114        ::anno::display_name("Volume Color"),115        ::anno::description("Color effect for volume of the object reached at transmission distance."),116        ::anno::in_group("Appearance")117    ]],118    uniform float clarity = 1.f119    [[120        ::anno::display_name("Clarity"),121        ::anno::description("Use to adapt to size of gem, smaller numbers darken the gem."),122        ::anno::soft_range(0.1,10.0),123        ::anno::in_group("Appearance")124    ]],125    uniform bool dispersion = true126    [[127        ::anno::display_name("Dispersion"),128        ::anno::description("Enable or disable the dispersion."),129        ::anno::in_group("Advanced")130    ]])131[[132	::anno::display_name("Sapphire"),133    ::anno::description("Sapphire gem material (Default values based on 2cm stone size.)"),134    ::anno::author("NVIDIA vMaterials"),135	::anno::contributor("Rüdiger Raab"),136	::anno::contributor("Maik Rohland"),137    ::anno::copyright_notice(COPYRIGHT),138	::anno::thumbnail("./.thumbs/Sapphire.Sapphire.png"),139	::anno::key_words(string[]("gem", "jewelry", "gemstone", "transmissive", "new", "design", "sapphire", "blue", "cool", "dark"))140]] = gem_definition(141    transmission_color:  transmission_color,142    glass_color:  volume_color,143    roughness:  0.f,144    volume_ior:  1.76f, 145    dispersion: dispersion,146    abbe_number: 72.2f,147    base_thickness:  clarity * 0.1f,148    normal:  ::state::normal ());