Clean up of scene nodes to support 2d and non int positioning.

src/visual_elements/Scene.cpp

@@ -1,60 +0,0 @@
-#include "Scene.h"
-
-#include "RootNode.h"
-#include "FontsManager.h"
-#include "SceneItem.h"
-
-#include <iostream>
-
-Scene::Scene()
-    : mRootNode(std::make_unique<RootNode>())
-{
-    mRootNode->setName("Scene_RootNode");
-}
-
-Scene::~Scene()
-{
-
-}
-
-void Scene::update(FontsManager* fontsManager)
-{
-    mSceneItems.clear();
-    updateNode(mRootNode.get(), fontsManager);
-}
-
-void Scene::addNode(AbstractVisualNode* node)
-{
-    mRootNode->addChild(node);
-}
-
-bool Scene::isEmpty() const
-{
-    return mRootNode->getNumChildren() == 0;
-}
-
-void Scene::updateNode(AbstractVisualNode* node, FontsManager* fontsManager)
-{
-    for (auto child : node->getChildren())
-    {
-        if (child->getIsVisible())
-        {
-            updateNode(child, fontsManager);
-        }
-    }
-
-    node->update(fontsManager);
-
-    for (std::size_t idx=0; idx< node->getNumSceneItems(); idx++)
-    {
-        if (auto item = node->getSceneItem(idx))
-        {
-            mSceneItems.push_back(item);
-        }
-    }
-}
-
-const std::vector<SceneItem*>& Scene::getItems() const
-{
-    return mSceneItems;
-}