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// Copyright 2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "render/MaterialShared.h"
#ifdef __cplusplus
namespace ispc {
#endif // __cplusplus
struct Velvet
{
Material super;
// Diffuse reflectance of the surface. The range is from 0
// (black) to 1 (white).
vec3f reflectance;
// Amount of back scattering. The range is from 0 (no back
// scattering) to inf (maximum back scattering).
float backScattering;
// Color of horizon scattering.
vec3f horizonScatteringColor;
// Fall-off of horizon scattering.
float horizonScatteringFallOff;
#ifdef __cplusplus
Velvet()
: reflectance(.4f, 0.f, 0.f),
backScattering(.5f),
horizonScatteringColor(.75f, .1f, .1f),
horizonScatteringFallOff(10)
{
super.type = ispc::MATERIAL_TYPE_VELVET;
}
};
} // namespace ispc
#else
};
#endif // __cplusplus
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