Code clean up and refactoring.

tracer.hpp

@@ -0,0 +1,32 @@
+#pragma once
+#ifndef TRACER_HPP
+#define TRACER_HPP
+
+#include <vector>
+
+#include <glm/glm.hpp>
+
+#include "figure.hpp"
+#include "light.hpp"
+#include "ray.hpp"
+
+using std::vector;
+using glm::radians;
+using glm::vec3;
+using glm::vec2;
+
+class Tracer {
+public:
+  int m_h;
+  int m_w;
+  float m_fov;
+  float m_a_ratio;
+
+  Tracer();
+  Tracer(int w, int h, float fov);
+
+  vec2 sample_pixel(int i, int j) const;
+  vec3 trace_ray(Ray & r, vector<Figure *> & f, vector<Light *> & l, unsigned int rec_level) const;
+};
+
+#endif