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/* ----------------------------------------------------------------------- *
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 * This file is part of GEL, http://www.imm.dtu.dk/GEL
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 * Copyright (C) the authors and DTU Informatics
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 * For license and list of authors, see ../../doc/intro.pdf
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 * ----------------------------------------------------------------------- */
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/**
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 * @file Material.h
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 * @brief Contains a simple struct for OpenGL'ish materials.
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 */
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#ifndef __GEOMETRY_MATERIAL_H__
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#define __GEOMETRY_MATERIAL_H__
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#include <string>
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namespace Geometry
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{
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    /// Simple material definitions.
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    struct Material
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    {
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        /// Name of material
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        std::string name;
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        /// Diffuse reflection
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        float diffuse[4];
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        /// Ambient reflection
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        float ambient[4];
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        /// Specular reflection
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        float specular[4];
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        /// Specular exponent
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        float shininess;
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        /// Index of refraction
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        float ior;
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        /// Transmission filter
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        float transmission[3];
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        /** Illumination model
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         1 - Color and ambient
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         2 - Color and ambient and highlight
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         3 - Reflection
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         4 - Reflection and refraction
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         Refer to the MTL format specification for more models.
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         Only numbers from 0 to 10 have a specific meaning. */
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        int illum;
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        bool has_texture;
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        std::string tex_path, tex_name;
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        int tex_id;
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        Material()
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          :	name("default"), tex_path(""), tex_name(""), tex_id(-1), has_texture(false)
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        {
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            ior = 1.5f;
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            shininess = 0.0f;
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            diffuse[0] = 0.8f;
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            diffuse[1] = 0.8f;
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            diffuse[2] = 0.8f;
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            diffuse[3] = 1.0f;
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            ambient[0] = 0.2f;
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            ambient[1] = 0.2f;
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            ambient[2] = 0.2f;
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            ambient[3] = 1.0f;
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            specular[0] = 0.0f;
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            specular[1] = 0.0f;
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            specular[2] = 0.0f;
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            specular[3] = 1.0f;
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            transmission[0] = 0.0f;
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            transmission[1] = 0.0f;
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            transmission[2] = 0.0f;
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            illum = 1;
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        }
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    };
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}
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#endif