#ifndef OPENGLSCENE_H
#define OPENGLSCENE_H

#include "point3d.h"

#include <QGraphicsScene>
#include <QTime>

class Model;

class OpenGLScene : public QGraphicsScene
{
    Q_OBJECT

public:
    OpenGLScene();

    void drawBackground(QPainter *painter, const QRectF &rect);

    QColor backgroundColor() const;
    QColor modelColor() const;

public slots:
    void setModel(Model *model);
    void enableWireframe(bool enabled);
    void enableNormals(bool enabled);
    void setLightPosition(int pos);
    void setModelColor(const QColor &color);
    void setBackgroundColor(const QColor &color);

protected:
    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void wheelEvent(QGraphicsSceneWheelEvent * wheelEvent);

private:
    bool m_wireframeEnabled;
    bool m_normalsEnabled;

    float m_lightPos;
    float m_distance;

    QColor m_modelColor;
    QColor m_backgroundColor;

    Model *m_model;

    QTime m_time;
    int m_lastTime;
    int m_mouseEventTime;

    Point3d m_rotation;
    Point3d m_angularMomentum;
    Point3d m_accumulatedMomentum;
};

#endif