message: add a default light
diff: @@ -100,7 +100,14 @@ int main(int argc, const char **argv)
  parseCommandLine(argc, argv);
  - auto root = sg::createNode("renderer", "Frame")->nodeAs<sg::Frame>();
  + auto root = sg::createNode("ROOT", "Frame")->nodeAs<sg::Frame>();
  +
  + // TODO: this should be easy to add via the UI! /////////////////////////////
  + auto &lights = root->child("renderer").child("lights");
  + auto &ambient = lights.createChild("ambient", "AmbientLight");
  + ambient["intensity"] = 1.25f;
  + ambient["color"] = vec3f(1.f);
  + /////////////////////////////////////////////////////////////////////////////
  ospray::ImGuiViewer window(root);
  