21 lines
438 B
C++
21 lines
438 B
C++
#pragma once
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#ifndef BRDF_HPP
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#define BRDF_HPP
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#include <glm/vec3.hpp>
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#include "ray.hpp"
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#include "material.hpp"
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using glm::vec3;
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class BRDF {
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public:
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virtual ~BRDF() { }
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virtual vec3 diffuse(vec3 light_dir, vec3 surface_normal, Ray & incident_ray, vec3 light_diff_color) const = 0;
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virtual vec3 specular(vec3 light_dir, vec3 surface_normal, Ray & incident_ray, vec3 light_spec_color, float shininess) const = 0;
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};
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#endif
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