Log all objects before starting the render

src/scene.cc

@@ -150,6 +150,8 @@ Scene::render()
 {
     LOG_INFO << "Rendering scene with " << shapes.size() << " objects.";
     printf("Rendering scene with %lu objects.\n", shapes.size());
+    LogObjects();
+
     std::chrono::time_point<std::chrono::system_clock> start, end;
     start = std::chrono::system_clock::now();
 
@@ -326,3 +328,17 @@ Scene::trace_ray(const Ray &ray,
 
     return out_color;
 }
+
+
+void
+Scene::LogObjects()
+    const
+{
+    LOG_DEBUG << "BEGIN SCENE OBJECTS";
+
+    for (Object::Ptr obj : shapes) {
+        LOG_DEBUG << *obj;
+    }
+
+    LOG_DEBUG << "END SCENE OBJECTS";
+}

src/scene.h

@@ -53,6 +53,8 @@ public:
 private:
     Color trace_ray(const Ray &ray, const int depth = 0, const float weight = 1.0);
 
+    void LogObjects() const;
+
     // Pixel dimensions of the image.
     int width, height;