SceneGraph.h

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#ifndef ULT_SCENE_GRAPH_H_INCLUDED
#define ULT_SCENE_GRAPH_H_INCLUDED
 
#include "Node.h"
 
namespace Ult
{


class SceneGraph
{
public:
    SceneGraph() :
        mRoot(nullptr)
    {}

    ~SceneGraph() {
        Release();
    }

    void Release() {
        if (mRoot) {
            delete mRoot;
            mRoot = nullptr;
        }
    }

    void AddNode(Node* node) {
        if (!mRoot) {
            mRoot = new Node();
        }
        mRoot->AddChild(node);
    }

    void Process() {
        if (mRoot) {
            mRoot->Process();
        }
    }
 
private:
    Node* mRoot;
};
 
} // namespace Ult
 
#endif // ULT_SCENE_GRAPH_H_INCLUDED