28 lines
914 B
C++
28 lines
914 B
C++
#pragma once
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#ifndef PHOTON_TRACER_HPP
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#define PHOTON_TRACER_HPP
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#include "tracer.hpp"
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#include "kd_tree.hpp"
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class PhotonTracer: public Tracer {
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public:
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PhotonTracer(): Tracer(), m_h_radius(0.5f), m_cone_filter_k(1.0f) { }
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PhotonTracer(unsigned int max_depth, float _r = 0.5f, float _k = 1.0f): Tracer(max_depth), m_h_radius(_r), m_cone_filter_k(_k < 1.0f ? 1.0f : _k) { };
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virtual ~PhotonTracer();
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virtual vec3 trace_ray(Ray & r, Scene * s, unsigned int rec_level) const;
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void photon_tracing(Scene * s, const size_t n_photons_per_ligth = 10000, const bool specular = false);
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void build_photon_map(const char * photons_file, const bool caustics = false);
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void build_photon_map(const bool caustics = false);
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private:
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float m_h_radius;
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float m_cone_filter_k;
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kdTree m_photon_map;
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kdTree m_caustics_map;
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void trace_photon(Photon & ph, Scene * s, const unsigned int rec_level);
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};
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#endif
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