#pragma once #ifndef TRACER_HPP #define TRACER_HPP #include #include #include "ray.hpp" #include "scene.hpp" using std::vector; using glm::vec2; using glm::vec3; extern const float BIAS; extern const vec3 BCKG_COLOR; class Tracer { public: unsigned int m_max_depth; Tracer(): m_max_depth(5) { } Tracer(unsigned int max_depth): m_max_depth(max_depth) { } virtual ~Tracer() { } virtual vec3 trace_ray(Ray & r, Scene * s, unsigned int rec_level) const = 0; protected: float fresnel(const vec3 & i, const vec3 & n, const float ir1, const float ir2) const; }; #endif