TransformationNode.h

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#ifndef ULT_TRANSFORMATION_NODE_H_INCLUDED
#define ULT_TRANSFORMATION_NODE_H_INCLUDED
 
#include "Math/Quaternion.h"
#include "Math/Vector3D.h"
#include "Node.h"
#include "Renderer/RenderInterface.h"
 
namespace Ult
{

class TransformationNode : public Node
{
public:
    TransformationNode(
            const Vector3D& position,
            const Quaternion& q,
            RenderInterface* renderer) :
        mPosition(position),
        mQuaternion(q),
        mRenderer(renderer)
    {}

    virtual ~TransformationNode()
    {}

    void Process() {
        if (mRenderer) {
            mRenderer->PushMatrix();
            float matrix[16] = {0};
            mQuaternion.CreateMatrix(matrix);
            matrix[12] = mPosition.x;
            matrix[13] = mPosition.y;
            matrix[14] = mPosition.z;
            mRenderer->MultiplyToCurrentMatrix(matrix);
        }
        if (mChild) {
            mChild->Process();
        }
        if (mRenderer) {
            mRenderer->PopMatrix();
        }
        if (mNext) {
            mNext->Process();
        }
    }
protected:
    Vector3D mPosition;
    Quaternion mQuaternion;
    RenderInterface* mRenderer;
};
 
} // namespace Ult
 
#endif // ULT_TRANSFORMATION_NODE_H_INCLUDED