scenemodifier.h

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#ifndef SCENEMODIFIER_H
#define SCENEMODIFIER_H

#include <QtCore/QObject>

#include <Qt3DCore/qentity.h>
#include <Qt3DCore/qtransform.h>

#include <Qt3DExtras/QTorusMesh>
#include <Qt3DExtras/QConeMesh>
#include <Qt3DExtras/QCylinderMesh>
#include <Qt3DExtras/QCuboidMesh>
#include <Qt3DExtras/QPlaneMesh>
#include <Qt3DExtras/QSphereMesh>
#include <Qt3DExtras/QPhongMaterial>

// Convenience class that wraps up the interactions between the UI and the shapes in the scene.
// Signals from UI elements are connected directly to a SceneModifier object,
// which shows or hides the relevant shape.
class SceneModifier : public QObject
{
    Q_OBJECT
public:
    explicit SceneModifier(Qt3DCore::QEntity *rootEntity);

public slots:
    // The UI check boxes connect to these slots.
    void enableTorus(bool enabled);
    void enableCone(bool enabled);
    void enableCylinder(bool enabled);
    void enableCuboid(bool enabled);
    void enablePlane(bool enabled);
    void enableSphere(bool enabled);

private:
    // All the entities we manage.
    // Note that this class doesn't own the entities here:
    // the root entity is owned by the offscreen engine,
    // and all other entities are children of the root
    // (so will be destroyed when it is destroyed).
    // Therefore, we don't need to worry about cleaning
    // any of these up.
    Qt3DCore::QEntity *m_rootEntity;
    Qt3DExtras::QTorusMesh *m_torus;
    Qt3DCore::QEntity *m_coneEntity;
    Qt3DCore::QEntity *m_cylinderEntity;
    Qt3DCore::QEntity *m_torusEntity;
    Qt3DCore::QEntity *m_cuboidEntity;
    Qt3DCore::QEntity *m_planeEntity;
    Qt3DCore::QEntity *m_sphereEntity;
};

#endif // SCENEMODIFIER_H