| /****************************************************************************** | |
| * Copyright 2024 NVIDIA Corporation. All rights reserved. * | |
| ****************************************************************************** | |
| Permission is hereby granted by NVIDIA Corporation ("NVIDIA"), free of charge, | |
| to any person obtaining a copy of the sample definition code that uses our | |
| Material Definition Language (the "MDL Materials"), to reproduce and distribute | |
| the MDL Materials, including without limitation the rights to use, copy, merge, | |
| publish, distribute, and sell modified and unmodified copies of the MDL | |
| Materials, and to permit persons to whom the MDL Materials is furnished to do | |
| so, in all cases solely for use with NVIDIA's Material Definition Language, | |
| subject to the following further conditions: | |
| 1. The above copyright notices, this list of conditions, and the disclaimer | |
| that follows shall be retained in all copies of one or more of the MDL | |
| Materials, including in any software with which the MDL Materials are bundled, | |
| redistributed, and/or sold, and included either as stand-alone text files, | |
| human-readable headers or in the appropriate machine-readable metadata fields | |
| within text or binary files as long as those fields can be easily viewed by the | |
| user, as applicable. | |
| 2. The name of NVIDIA shall not be used to promote, endorse or advertise any | |
| Modified Version without specific prior written permission, except a) to comply | |
| with the notice requirements otherwise contained herein; or b) to acknowledge | |
| the contribution(s) of NVIDIA. | |
| THE MDL MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, | |
| TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR | |
| ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, | |
| INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF | |
| CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE | |
| THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS. | |
| */ | |
| mdl 1.4; | |
| import ::anno::*; | |
| import ::base::*; | |
| import ::df::*; | |
| import ::math::*; | |
| import ::state::*; | |
| import ::tex::*; | |
| import ::nvidia::core_definitions::blend_colors; | |
| import ::nvidia::core_definitions::dimension; | |
| const string COPYRIGHT = | |
| " Copyright 2024 NVIDIA Corporation. All rights reserved.\n" | |
| " MDL MATERIALS ARE PROVIDED PURSUANT TO AN END USER LICENSE AGREEMENT,\n" | |
| " WHICH WAS ACCEPTED IN ORDER TO GAIN ACCESS TO THIS FILE. IN PARTICULAR,\n" | |
| " THE MDL MATERIALS ARE PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n" | |
| " EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF\n" | |
| " MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF\n" | |
| " COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA\n" | |
| " CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY\n" | |
| " GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN\n" | |
| " AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR\n" | |
| " INABILITY TO USE THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.\n"; | |
| float3 srgb2rgb(float3 val) | |
| { | |
| return ::math::pow(::math::max(val, float3(0.0f)), 2.2); | |
| } | |
| float uint2float(int x) | |
| { | |
| return float(x & 0x7FFFFFFF) + (x < 0 ? 2147483648.0 : 0.0); | |
| } | |
| int lowbias32(int x) | |
| { | |
| x ^= x >>> 16; | |
| x *= 0x7feb352d; | |
| x ^= x >>> 15; | |
| x *= 0x846ca68b; | |
| x ^= x >>> 16; | |
| return x; | |
| } | |
| float2 rnd22(int2 p) { | |
| float2 ret_val = float2( | |
| uint2float(lowbias32(p[0] + lowbias32(p[1]))) / 4294967296.f, | |
| uint2float(lowbias32(p[0] + 32000 + lowbias32(p[1]))) / 4294967296.f | |
| ); | |
| return ret_val; | |
| } | |
| ::base::texture_coordinate_info vmat_transform( | |
| uniform float2 translation = float2(0.0, 0.0), | |
| uniform float rotation = 0.0, | |
| uniform float2 scaling = float2(1.0, 1.0), | |
| uniform ::base::texture_coordinate_system system = ::base::texture_coordinate_uvw, | |
| uniform int uv_space = 0 | |
| ) | |
| { | |
| float4x4 scale = | |
| float4x4(1.0 /scaling.x, 0. , 0. , 0., | |
| 0. , 1.0 /scaling.y , 0. , 0., | |
| 0. , 0. , 1.0, 0., | |
| translation.x , translation.y , 0.0, 1.); | |
| float s = ::math::sin(rotation); | |
| float c = ::math::cos(rotation); | |
| float4x4 rotate = | |
| float4x4( c , -s , 0.0 , 0.0, | |
| s , c , 0.0 , 0.0, | |
| 0.0, 0.0 , 1.0 , 0.0, | |
| 0. , 0.0 , 0.0 , 1.); | |
| return ::base::transform_coordinate(scale*rotate, ::base::coordinate_source(system, uv_space)); | |
| } | |
| float2x2 invert_2x2(float2x2 M) | |
| { | |
| float det = M[0][0]*M[1][1] - M[0][1]*M[1][0]; | |
| //https://www.chilimath.com/lessons/advanced-algebra/inverse-of-a-2x2-matrix/ | |
| return (1.0 / det) * float2x2(M[1][1], -M[0][1], -M[1][0], M[0][0]); | |
| } | |
| float3 nonrepeat_lookup( | |
| uniform texture_2d texture = texture_2d(), | |
| ::base::texture_coordinate_info uvw = ::base::coordinate_source(), | |
| float texture_scale = 1.0, | |
| float3 average_color = float3(0.5), | |
| float patch_size = 8.0 | |
| ) | |
| { | |
| float2 uv_in = float2(uvw.position[0], uvw.position[1]) * texture_scale; | |
| float Z = patch_size; // patch scale inside example texture | |
| float CON = 1.0f; | |
| float3 O = float3(0.f); | |
| float2x2 M0 = float2x2(1.f,0.f, 0.5f, ::math::sqrt(3.f)/2.f); | |
| float2x2 M = invert_2x2(M0); // transform matrix <-> tilted space | |
| float2 U = uv_in; | |
| float2 V = M * uv_in; //pre-tilted hexa coordinates | |
| int2 I = int2(::math::floor(V)); // hexa-tile id | |
| // The mean color needs to be determined in Photoshop then to make the | |
| // average color work out, take the float value and calculate the apropriate | |
| // mean value as (value^(1/2.2)) | |
| float3 m = average_color; | |
| float3 F = float3(::math::frac(V)[0], ::math::frac(V)[1], 0.f), W; | |
| F[2] = 1.0 - F[0] - F[1]; // local hexa coordinates | |
| if( F[2] > 0.f ) | |
| O = (W[0] = F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I))) - m*float(CON)) | |
| + (W[1] = F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0,1)))) - m*float(CON)) | |
| + (W[2] = F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1,0)))) - m*float(CON)); | |
| else | |
| O = (W[0] = -F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1)))) - m*float(CON)) | |
| + (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1, 0)))) - m*float(CON)) | |
| + (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0, 1)))) - m*float(CON)); | |
| O = m + O/::math::length(W); | |
| O = ::math::clamp( (O), 0.0, 1.0); | |
| return float3(O); | |
| } | |
| float3 normalmap_normal( | |
| uniform texture_2d texture, | |
| float factor = 1.0, | |
| ::base::texture_coordinate_info uvw = ::base::texture_coordinate_info() | |
| ) | |
| { | |
| float3 lookup = (::tex::lookup_float3(texture, float2(uvw.position.x, uvw.position.y)) - 0.5) * (factor * 2.0); | |
| return ::math::normalize(uvw.tangent_u * lookup.x + uvw.tangent_v * lookup.y + ::state::normal()); | |
| } | |
| float histogram_range(float input, float range, float position) | |
| { | |
| float low = ::math::clamp(1.0 - ::math::min(((1.0 - position) + range * 0.5), (1.0 - position) * 2), 0.0, 1.0); | |
| float high = ::math::clamp(::math::min((position + range * 0.5 ), position * 2.0), 0.0, 1.0); | |
| return ::math::lerp(low, high, input); | |
| } | |
| float remap_xy_to_0_1(float input, float x, float y) | |
| { | |
| return (input - x)/(y - x); | |
| } | |
| float histogram_scan_big(float input, float width, float position) | |
| { | |
| return ::math::clamp( | |
| remap_xy_to_0_1(input, | |
| ::math::lerp(-width, 1.0, position), | |
| ::math::lerp(0.0, 1.0 + width, position)), | |
| 0.0, | |
| 1.0); | |
| } | |
| color endless_texture( | |
| uniform texture_2d texture = texture_2d(), | |
| ::base::texture_coordinate_info uvw = ::base::coordinate_source(), | |
| float texture_scale = 10.0, | |
| float3 average_color = float3(0.5, 0.5, 1.0), | |
| float patch_size = 8.0, | |
| bool gamma_correct_lookup = true | |
| ) | |
| { | |
| return gamma_correct_lookup ? color(srgb2rgb( | |
| nonrepeat_lookup ( | |
| texture: texture, | |
| uvw: uvw, | |
| texture_scale: texture_scale, | |
| average_color: average_color, | |
| patch_size: patch_size | |
| )) | |
| ) : color(nonrepeat_lookup ( | |
| texture: texture, | |
| uvw: uvw, | |
| texture_scale: texture_scale, | |
| average_color: average_color, | |
| patch_size: patch_size | |
| )); | |
| } | |
| float3 endless_normal( | |
| uniform texture_2d texture = texture_2d(), | |
| float factor = 1.0, | |
| bool flip_tangent_u = false, | |
| bool flip_tangent_v = false, | |
| ::base::texture_coordinate_info uvw = ::base::coordinate_source(), | |
| float texture_scale = 1.0, | |
| float3 average_color = float3(0.5, 0.5, 1.0), | |
| float patch_size = 8.0 | |
| ) | |
| { | |
| float3 transformed_tangent_u = flip_tangent_u ? uvw.tangent_u : - uvw.tangent_u; | |
| float3 transformed_tangent_v = flip_tangent_v ? uvw.tangent_v : - uvw.tangent_v; | |
| if (flip_tangent_u) | |
| transformed_tangent_u=-transformed_tangent_u; | |
| if (flip_tangent_v) | |
| transformed_tangent_v=-transformed_tangent_v; | |
| // normalized Lookup | |
| float3 tangent_space_normal = | |
| (nonrepeat_lookup ( | |
| texture: texture, | |
| uvw: uvw, | |
| texture_scale: texture_scale, | |
| average_color: average_color, | |
| patch_size: patch_size | |
| ) - 0.5) * (2.0 * factor); | |
| return ::math::normalize(uvw.tangent_u * tangent_space_normal.x + | |
| uvw.tangent_v * tangent_space_normal.y + | |
| ::state::normal()*1.0); | |
| } | |
| export material Wood_Bark( | |
| uniform bool endless_tiling = true [[ | |
| ::anno::display_name("Infinite Tiling"), | |
| ::anno::description("Enables the infinite tiling feature."), | |
| ::anno::in_group("Appearance") | |
| ]], | |
| float diffuse_luminance_variation = 0.698000014f [[ | |
| ::anno::display_name("Bark Brightness Variation"), | |
| ::anno::description("Adds variation to the brightness of the material."), | |
| ::anno::hard_range(0.0f,1.0f), | |
| ::anno::in_group("Appearance") | |
| ]], | |
| float AO_darkening_amount = 1.f [[ | |
| ::anno::display_name("Bark Contrast"), | |
| ::anno::description("Adds dark details in the deepened areas of the material."), | |
| ::anno::hard_range(0.0f,1.0f), | |
| ::anno::in_group("Appearance") | |
| ]], | |
| float bark_roughness = 0.5f [[ | |
| ::anno::display_name("Bark Roughness"), | |
| ::anno::description("Higher roughness values lead to bigger highlights and blurrier reflections."), | |
| ::anno::hard_range(0.0f,1.0f), | |
| ::anno::in_group("Appearance") | |
| ]], | |
| float bump_factor = 1.f [[ | |
| ::anno::description("Specifies the strength of the bump."), | |
| ::anno::display_name("Bump Strength"), | |
| ::anno::soft_range(0.0f,2.0f), | |
| ::anno::hard_range(0.0f,5.0f), | |
| ::anno::in_group("Appearance") | |
| ]], | |
| uniform float2 texture_translate = float2(0.f) [[ | |
| ::anno::display_name("Translate"), | |
| ::anno::description("Controls the position of the texture."), | |
| ::anno::in_group("Transform") | |
| ]], | |
| uniform float texture_rotate = 0.f [[ | |
| ::anno::description("Rotates the angle of the texture in degrees."), | |
| ::anno::display_name("Rotate"), | |
| ::anno::in_group("Transform") | |
| ]], | |
| uniform float2 texture_scale = float2(1.0f) [[ | |
| ::anno::description("Larger numbers increase the size."), | |
| ::anno::display_name("Scale"), | |
| ::nvidia::core_definitions::dimension(float2(1.0f, 1.0f)), | |
| ::anno::in_group("Transform") | |
| ]], | |
| uniform int uv_space_index = 0 [[ | |
| ::anno::display_name("UV Space Index"), | |
| ::anno::description("Use selected UV space for the material."), | |
| ::anno::in_group("Advanced") | |
| ]] | |
| ) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Bark Oak"), | |
| ::anno::description("An oak bark material."), | |
| ::anno::key_words(string[]("wood", "bark", "natural", "nature", "exterior", "rough", "bumped", "brown")), | |
| ::anno::thumbnail("./.thumbs/Wood_Bark.Wood_Bark.png"), | |
| ::anno::copyright_notice(COPYRIGHT) | |
| ]] | |
| = | |
| let { | |
| bool tmp0 = false; | |
| float2 corrected_texture_scale = texture_scale * 0.5; | |
| material_surface tmp1( | |
| ::df::custom_curve_layer(0.0370000005f, 1.f, 5.f, histogram_scan_big(float3(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.827000022f, 0.838999987f, 0.275000006f), 8.f, false) : ::base::file_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[1], 0.100000001f, 0.753500044f), ::df::microfacet_ggx_smith_bsdf(histogram_range(float3(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.827000022f, 0.838999987f, 0.275000006f), 8.f, false) : ::base::file_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0], 1.f, bark_roughness) * histogram_range(float3(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.827000022f, 0.838999987f, 0.275000006f), 8.f, false) : ::base::file_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0], 1.f, bark_roughness), histogram_range(float3(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.827000022f, 0.838999987f, 0.275000006f), 8.f, false) : ::base::file_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0], 1.f, bark_roughness) * histogram_range(float3(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.827000022f, 0.838999987f, 0.275000006f), 8.f, false) : ::base::file_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0], 1.f, bark_roughness), color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::diffuse_reflection_bsdf(::nvidia::core_definitions::blend_colors(::nvidia::core_definitions::blend_colors(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_diff.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.477999985f, 0.435000002f, 0.39199999f), 8.f, true) : ::base::file_texture(texture_2d("./textures/bark_oak_diff.jpg", ::tex::gamma_srgb), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint, color(0.f, 0.f, 0.f), ::base::color_layer_multiply, ::base::file_texture(texture_2d("./textures/bark_oak_mask.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(::math::lerp(0.f, 1.f, diffuse_luminance_variation)), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale / float2(0.150000006f), ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).mono).tint, color(0.f, 0.f, 0.f), ::base::color_layer_multiply, 1.f - histogram_scan_big(::math::pow(float3(endless_tiling ? endless_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.827000022f, 0.838999987f, 0.275000006f), 8.f, false) : ::base::file_texture(texture_2d("./textures/bark_oak_multi_R_rough_G_ao_B_height.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[1], 2.20000005f), 0.449000031f, ::math::lerp(0.f, 0.606000006f, AO_darkening_amount))).tint, 0.f, ""), ::state::normal()), | |
| material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance)); | |
| material_surface tmp2 = material_surface(scattering: bsdf(), emission: material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance)); | |
| color tmp3 = color(1.f, 1.f, 1.f); | |
| material_volume tmp4 = material_volume(scattering: vdf(), absorption_coefficient: color(0.f, 0.f, 0.f), scattering_coefficient: color(0.f, 0.f, 0.f)); | |
| material_geometry tmp5( | |
| float3(0.f), | |
| 1.f, | |
| endless_tiling ? endless_normal(texture_2d("./textures/bark_oak_norm.jpg", ::tex::gamma_linear), 1.f, false, false, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 7.f, float3(0.5f, 0.5f, 1.f), 8.f) : normalmap_normal(texture_2d("./textures/bark_oak_norm.jpg", ::tex::gamma_linear), bump_factor, vmat_transform(texture_translate, texture_rotate, corrected_texture_scale, ::base::texture_coordinate_uvw, uv_space_index))); | |
| } in | |
| material( | |
| thin_walled: tmp0, | |
| surface: tmp1, | |
| backface: tmp2, | |
| ior: tmp3, | |
| volume: tmp4, | |
| geometry: tmp5); | |
| export material bark_oak_dark_contrast(*) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Bark Oak - Dark Contrast"), | |
| ::anno::description("An oak bark material."), | |
| ::anno::key_words(string[]("wood", "bark", "natural", "nature", "exterior", "rough", "bumped", "brown")), | |
| ::anno::thumbnail("./.thumbs/Wood_Bark.bark_oak_dark_contrast.png"), | |
| ::anno::copyright_notice(COPYRIGHT) | |
| ]] | |
| = Wood_Bark( | |
| endless_tiling: true, | |
| diffuse_luminance_variation: 0.7, | |
| AO_darkening_amount: 1, | |
| bark_roughness: 1.0, | |
| bump_factor: 1.0, | |
| texture_translate: float2(0.0), | |
| texture_rotate: 0.0, | |
| texture_scale: float2(1.0), | |
| uv_space_index: 0 | |
| ); | |