| /****************************************************************************** |
| * 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 1.5; |
| |
| 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"; |
| |
| const string DESCRIPTION = "A paper material for cardboards"; |
| |
| int lowbias32(int x) |
| { |
| x ^= x >>> 16; |
| x *= 0x7feb352d; |
| x ^= x >>> 15; |
| x *= 0x846ca68b; |
| x ^= x >>> 16; |
| return x; |
| } |
| |
| float uint2float(int x) |
| { |
| return float(x & 0x7FFFFFFF) + (x < 0 ? 2147483648.0 : 0.0); |
| } |
| |
| float3 srgb2rgb(float3 val) |
| { |
| return ::math::pow(::math::max(val, float3(0.0f)), 2.2); |
| } |
| |
| 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; |
| } |
| |
| 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 |
| |
| 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) |
| + (W[1] = F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0,1)))) - m) |
| + (W[2] = F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1,0)))) - m); |
| else |
| O = (W[0] = -F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1)))) - m) |
| + (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1, 0)))) - m) |
| + (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0, 1)))) - m); |
| O = m + O/::math::length(W); |
| O = ::math::clamp( (O), 0.0, 1.0); |
| |
| return float3(O); |
| } |
| |
| 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, .5), |
| 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 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()); |
| } |
| |
| ::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 |
| ) |
| { |
| float rotation_rad = (rotation * 3.1415926535897932384626433832f) / 180.f; |
| |
| 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_rad); |
| float c = ::math::cos(rotation_rad); |
| 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)); |
| } |
| |
| float3 transform_internal_to_tangent(float3 n) |
| [[ |
| ::anno::hidden() |
| ]] |
| { |
| return |
| n.x* float3(::state::texture_tangent_u(0).x,::state::texture_tangent_v(0).x,::state::normal().x)+ |
| n.y* float3(::state::texture_tangent_u(0).y,::state::texture_tangent_v(0).y,::state::normal().y)+ |
| n.z* float3(::state::texture_tangent_u(0).z,::state::texture_tangent_v(0).z,::state::normal().z); |
| } |
| |
| float3 transform_tangent_to_internal(float3 n) |
| [[ |
| ::anno::hidden() |
| ]] |
| { |
| return ::state::texture_tangent_u(0) * n.x + |
| ::state::texture_tangent_v(0) * n.y + |
| ::state::normal() * n.z ; |
| } |
| |
| float3 add_detail_normal(float3 nd = ::state::normal(), float3 n = ::state::normal()) |
| { |
| // http://blog.selfshadow.com/publications/blending-in-detail/ |
| float3 n_t = transform_internal_to_tangent(n); |
| float3 nd_t = transform_internal_to_tangent(nd); |
| |
| n_t=n_t + float3(0.,0.,1.); |
| nd_t = nd_t * float3(-1.,-1.,1.); |
| n = n_t*::math::dot(n_t, nd_t)/n_t.z - nd_t; |
| return ::math::normalize(transform_tangent_to_internal(n)); |
| } |
| |
| 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); |
| } |
| |
| export material Cardboard_Low_Quality( |
| uniform float diffuse_brightness = 1.f [[ |
| ::anno::description("Adjusts the lightness of the material."), |
| ::anno::display_name("Brightness"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(0) |
| ]], |
| uniform float reflection_roughness = 1.f [[ |
| ::anno::description("Higher roughness values lead to bigger highlights and blurrier reflections on the material."), |
| ::anno::display_name("Roughness"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(1) |
| ]], |
| uniform float reflection_variation = 0.f [[ |
| ::anno::description("Amount of variation applied to the roughness, higher numbers lead to non uniform reflections of the material."), |
| ::anno::display_name("Reflection Variation"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(2) |
| ]], |
| uniform float dirt = 0.f [[ |
| ::anno::description("Adds a layer of dirt on the cardboard."), |
| ::anno::display_name("Dirt Amount"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(3) |
| ]], |
| uniform float corrugation_strength = 0.f [[ |
| ::anno::description("Adjusts the strength of the corrugation effect."), |
| ::anno::display_name("Corrugation Strength"), |
| ::anno::in_group("Appearance", "Corrugation"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(4) |
| ]], |
| uniform float corrugation_variation = 0.f [[ |
| ::anno::description("Breaks up the corrugation by attenuating it at random places."), |
| ::anno::display_name("Corrugation Variation"), |
| ::anno::in_group("Appearance", "Corrugation"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(5) |
| ]], |
| uniform float2 texture_translate = float2(0.f) [[ |
| ::anno::description("Controls the position of the texture."), |
| ::anno::display_name("Translate"), |
| ::anno::in_group("Transform"), |
| ::anno::ui_order(6) |
| ]], |
| uniform float texture_rotate = 0.f [[ |
| ::anno::description("Rotates angle of the texture in degrees."), |
| ::anno::display_name("Rotate"), |
| ::anno::in_group("Transform"), |
| ::anno::ui_order(7) |
| ]], |
| uniform float2 texture_scale = float2(1.f) [[ |
| ::anno::description("Larger numbers increase the size."), |
| ::anno::display_name("Scale"), |
| ::anno::in_group("Transform"), |
| ::nvidia::core_definitions::dimension(float2(0.3f,0.3f)), |
| ::anno::ui_order(8) |
| ]], |
| uniform int uv_space_index = 0 [[ |
| ::anno::description("Use selected UV space for material."), |
| ::anno::display_name("UV Space Index"), |
| ::anno::in_group("Advanced"), |
| ::anno::ui_order(9) |
| ]], |
| uniform bool enable_round_corners = false [[ |
| ::anno::description("Enables the round corner effect. Comes at a slight performance cost as additional raytracing calls are required to evaluate the round corner effect."), |
| ::anno::display_name("Round Corners"), |
| ::anno::in_group("Round Corners"), |
| ::anno::ui_order(10) |
| ]], |
| uniform float radius = 1.5f [[ |
| ::anno::description("Radius of the rounded corners in millimeters (mm)."), |
| ::anno::display_name("Radius mm"), |
| ::anno::in_group("Round Corners"), |
| ::anno::ui_order(11) |
| ]], |
| uniform bool across_materials = false [[ |
| ::anno::description("Applies the round corner effect across different materials when enabled."), |
| ::anno::display_name("Across Materials"), |
| ::anno::in_group("Round Corners"), |
| ::anno::ui_order(12) |
| ]]) |
| [[ |
| ::anno::description(DESCRIPTION), |
| ::anno::display_name("Cardboard Low Quality"), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("dielectric", "paper", "box", "brown", "yellow", "package", "delivery", "cardboard", "quality", "low", "cheap", "parcel")), |
| ::anno::thumbnail("./.thumbs/Cardboard_Low_Quality.Cardboard_Low_Quality.png"), |
| ::anno::author("Nvidia vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = |
| let { |
| bool tmp0 = false; |
| material_surface tmp1(::df::custom_curve_layer(0.0399999991f, 1.f, 5.f, nvidia::core_definitions::blend_colors(color(1.f, 1.f, 1.f), ::base::file_texture(texture_2d("./textures/cardboard_norm2_ao.jpg", ::tex::gamma_srgb), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, 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, ::base::color_layer_blend, float3(endless_texture(texture_2d("./textures/cardboard_normal_var.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 3.f, float3(0.494118005f), 16.f, true))[0]).mono, ::df::microfacet_ggx_smith_bsdf((::math::lerp(reflection_variation * 0.199999988f, 0.189999998f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[2]) + histogram_range(float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[0], 0.310000002f, ::math::lerp(0.669999957f, 0.899999976f, reflection_roughness)) - ::math::lerp(::math::lerp(0.f, -1.f, dirt), 0.109999999f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[1])) * (::math::lerp(reflection_variation * 0.199999988f, 0.189999998f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[2]) + histogram_range(float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[0], 0.310000002f, ::math::lerp(0.669999957f, 0.899999976f, reflection_roughness)) - ::math::lerp(::math::lerp(0.f, -1.f, dirt), 0.109999999f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[1])), (::math::lerp(reflection_variation * 0.199999988f, 0.189999998f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[2]) + histogram_range(float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[0], 0.310000002f, ::math::lerp(0.669999957f, 0.899999976f, reflection_roughness)) - ::math::lerp(::math::lerp(0.f, -1.f, dirt), 0.109999999f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[1])) * (::math::lerp(reflection_variation * 0.199999988f, 0.189999998f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[2]) + histogram_range(float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[0], 0.310000002f, ::math::lerp(0.669999957f, 0.899999976f, reflection_roughness)) - ::math::lerp(::math::lerp(0.f, -1.f, dirt), 0.109999999f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[1])), color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::weighted_layer(1.f, ::df::diffuse_reflection_bsdf(color(::math::lerp(1.f, float3(endless_texture(texture_2d("./textures/lq_simple_cardboard_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 2.f, float3(0.533333004f, 0.823529005f, 0.36470601f), 8.f, false))[1], ::math::lerp(0.f, 1.5f, dirt))) * ::base::file_texture(texture_2d("./textures/lq_simple_cardboard_diff.jpg", ::tex::gamma_srgb), color(0.f, 0.f, 0.f), color(diffuse_brightness), ::base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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.f, ""), bsdf(), add_detail_normal(normalmap_normal(texture_2d("./textures/lq_simple_cardboard_norm.jpg", ::tex::gamma_linear), 0.217000008f, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index)), normalmap_normal(texture_2d("./textures/cardboard_norm_2.jpg", ::tex::gamma_linear), ::math::clamp((float3(endless_texture(texture_2d("./textures/cardboard_normal_var.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 3.f, float3(0.494118005f), 16.f, true))[0] - 0.5f) * (corrugation_strength * 3.f * corrugation_variation) + corrugation_strength, 0.f, 10.f), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index)))), add_detail_normal(normalmap_normal(texture_2d("./textures/lq_simple_cardboard_norm.jpg", ::tex::gamma_linear), 0.217000008f, vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index)), normalmap_normal(texture_2d("./textures/cardboard_norm_2.jpg", ::tex::gamma_linear), ::math::clamp((float3(endless_texture(texture_2d("./textures/cardboard_normal_var.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 3.f, float3(0.494118005f), 16.f, true))[0] - 0.5f) * (corrugation_strength * 3.f * corrugation_variation) + corrugation_strength, 0.f, 10.f), vmat_transform(texture_translate, texture_rotate, texture_scale, ::base::texture_coordinate_uvw, uv_space_index)))), 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_geometry tmp5(float3(0.f), 1.f, enable_round_corners ? ::state::rounded_corner_normal(radius * 0.00499999989f, across_materials, 1.f) : ::state::normal()); |
| |
| } in |
| material( |
| thin_walled: tmp0, |
| surface: tmp1, |
| backface: tmp2, |
| ior: tmp3, |
| geometry: tmp5); |
| |
| export material Cardboard_Low_Quality_Dirt(*) |
| [[ |
| ::anno::display_name("Cardboard Low Quality Dirt"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("dielectric", "paper", "box", "brown", "package", "delivery", "cardboard", "quality", "low", "cheap", "used", "parcel", "aged", "dirty")), |
| ::anno::thumbnail("./.thumbs/Cardboard_Low_Quality.Cardboard_Low_Quality_Dirt.png"), |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Cardboard_Low_Quality |
| ( |
| diffuse_brightness: 0.5f, |
| reflection_roughness: 0.5f, |
| reflection_variation: 1.f, |
| dirt: 0.6f, |
| corrugation_strength: 0.5f, |
| corrugation_variation: 1.f, |
| texture_translate: float2(0.f), |
| texture_rotate: 0.f, |
| texture_scale: float2(1.f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: true |
| ); |
| |
| export material Cardboard_Low_Quality_Corrugation(*) |
| [[ |
| ::anno::display_name("Cardboard Low Quality Corrugation"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("dielectric", "paper", "box", "brown", "corrugation", "package", "delivery", "cardboard", "quality", "low", "cheap", "used", "parcel", "aged")), |
| ::anno::thumbnail("./.thumbs/Cardboard_Low_Quality.Cardboard_Low_Quality_Corrugation.png"), |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Cardboard_Low_Quality |
| ( |
| diffuse_brightness: 1.f, |
| reflection_roughness: 0.f, |
| reflection_variation: 1.f, |
| dirt: 0.f, |
| corrugation_strength: 1.f, |
| corrugation_variation: 0.f, |
| texture_translate: float2(0.f), |
| texture_rotate: 0.f, |
| texture_scale: float2(1.f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: true |
| ); |
| |
| export material Cardboard_Low_Quality_Used(*) |
| [[ |
| ::anno::display_name("Cardboard Low Quality Used"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("dielectric", "paper", "box", "brown", "corrugation", "package", "delivery", "cardboard", "quality", "low", "cheap", "used", "parcel", "aged")), |
| ::anno::thumbnail("./.thumbs/Cardboard_Low_Quality.Cardboard_Low_Quality_Used.png"), |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Cardboard_Low_Quality |
| ( |
| diffuse_brightness: 0.8f, |
| reflection_roughness: 0.3f, |
| reflection_variation: 0.f, |
| dirt: 0.4f, |
| corrugation_strength: 1.f, |
| corrugation_variation: 0.6f, |
| texture_translate: float2(0.f), |
| texture_rotate: 0.f, |
| texture_scale: float2(1.f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: true |
| ); |
| |
| export material Cardboard_Low_Quality_Burnt(*) |
| [[ |
| ::anno::display_name("Cardboard Low Quality Burnt"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("dielectric", "paper", "box", "black", "brown", "corrugation", "package", "delivery", "cardboard", "quality", "low", "cheap", "used", "parcel", "aged", "burnt")), |
| ::anno::thumbnail("./.thumbs/Cardboard_Low_Quality.Cardboard_Low_Quality_Burnt.png"), |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Cardboard_Low_Quality |
| ( |
| diffuse_brightness: 0.15f, |
| reflection_roughness: 0.f, |
| reflection_variation: 0.f, |
| dirt: 0.4f, |
| corrugation_strength: 1.f, |
| corrugation_variation: 1.f, |
| texture_translate: float2(0.f), |
| texture_rotate: 0.f, |
| texture_scale: float2(1.f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: true |
| ); |
