Separated Whitted from Path Tracing. Added FreeImage dependecy.

whitted_tracer.hpp

@@ -0,0 +1,20 @@
+#pragma once
+#ifndef WHITTED_TRACER_HPP
+#define WHITTED_TRACER_HPP
+
+#include "tracer.hpp"
+
+class WhittedTracer: public Tracer {
+public:
+  bool indirect_l;
+
+  WhittedTracer(): Tracer(), indirect_l(false) { }
+
+  WhittedTracer(int h, int w, float fov, bool il): Tracer(h, w, fov), indirect_l(il) { };
+
+  virtual ~WhittedTracer();
+
+  virtual vec3 trace_ray(Ray & r, vector<Figure *> & v_figures, vector<Light *> & v_lights, unsigned int rec_level) const;
+};
+
+#endif