scene.h

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#ifndef SCENE_H
#define SCENE_H

#include <QQuickItem>
#include <QQmlListProperty>

class QOpenGLFunctions;
class QOpenGLShaderProgram;
class QMatrix4x4;

class AbstractGem;
class Camera;
class LightRay;
class Navigation;
class SceneBounds;
class Triangle;

class Scene : public QQuickItem
{
    Q_OBJECT
    Q_PROPERTY(QQmlListProperty<AbstractGem> geometries READ geometriesQML NOTIFY geometriesChanged)
    Q_PROPERTY(Camera* camera READ camera WRITE setCamera)
    Q_PROPERTY(Camera* previewCamera READ previewCamera WRITE setPreviewCamera)
    Q_PROPERTY(LightRay* rootLightRay READ rootLightRay WRITE setRootLightRay NOTIFY rootLightRayChanged)

public:
    explicit Scene(QQuickItem *parent = 0);
    virtual ~Scene();

    QQmlListProperty<AbstractGem> geometriesQML();
    QList<AbstractGem *> geometries();

    Camera* camera() const;
    void setCamera(Camera *camera);

    Camera* previewCamera() const;
    void setPreviewCamera(Camera *camera);

    AbstractGem *findGemWithBoundingSphereIntersectedBy(const LightRay &ray, QVector3D *collisionPoint = nullptr) const;

    AbstractGem *findGemIntersectedBy(const LightRay &ray, QVector3D *collisionPoint = nullptr) const;

    void setCurrentGem(AbstractGem *currentGem);

    LightRay *rootLightRay() const;
    void setRootLightRay(LightRay *rootLightRay);

signals:
    void cubesChanged();
    void geometriesChanged();
    void rootLightRayChanged();
    void gameStarted();
    void gameLost();

public slots:
    virtual void update(int elapsedTime);

    void handleGameLost();
    void handleGameStarted();

    void registerNavigation(Navigation *navigation);
    void rotateCurrentGem(const QQuaternion &quaternion);

protected:
    SceneBounds *m_bounds;
    Camera *m_camera;
    Camera *m_previewCamera;
    AbstractGem *m_currentGem;
    QList<AbstractGem*> m_gems;
    Navigation *m_navigation;
    LightRay *m_rootLightRay;
};

#endif // SCENE_H