qabstractcameracontroller.h

Enable keyboard shortcuts

// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DEXTRAS_QABSTRACTCAMERACONTROLLER_H

#define QT3DEXTRAS_QABSTRACTCAMERACONTROLLER_H

#include <Qt3DCore/QEntity>

#include <Qt3DExtras/qt3dextras_global.h>

QT_BEGIN_NAMESPACE

namespace Qt3DInput {

class QKeyboardDevice;

class QMouseDevice;

namespace Qt3DRender {

class QCamera;

namespace Qt3DExtras {

class QAbstractCameraControllerPrivate;

class Q_3DEXTRASSHARED_EXPORT QAbstractCameraController : public Qt3DCore::QEntity

    Q_OBJECT

    Q_PROPERTY(Qt3DRender::QCamera *camera READ camera WRITE setCamera NOTIFY cameraChanged)

    Q_PROPERTY(float linearSpeed READ linearSpeed WRITE setLinearSpeed NOTIFY linearSpeedChanged)

    Q_PROPERTY(float lookSpeed READ lookSpeed WRITE setLookSpeed NOTIFY lookSpeedChanged)

    Q_PROPERTY(float acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged)

    Q_PROPERTY(float deceleration READ deceleration WRITE setDeceleration NOTIFY decelerationChanged)

public:

    ~QAbstractCameraController();

    Qt3DRender::QCamera *camera() const;

    float linearSpeed() const;

    float lookSpeed() const;

    float acceleration() const;

    float deceleration() const;

    void setCamera(Qt3DRender::QCamera *camera);

    void setLinearSpeed(float linearSpeed);

    void setLookSpeed(float lookSpeed);

    void setAcceleration(float acceleration);

    void setDeceleration(float deceleration);

Q_SIGNALS:

    void cameraChanged();

    void linearSpeedChanged();

    void lookSpeedChanged();

    void accelerationChanged(float acceleration);

    void decelerationChanged(float deceleration);

protected:

    explicit QAbstractCameraController(Qt3DCore::QNode *parent = nullptr);

    QAbstractCameraController(QAbstractCameraControllerPrivate &dd, Qt3DCore::QNode *parent = nullptr);

    Qt3DInput::QKeyboardDevice *keyboardDevice() const;

    Qt3DInput::QMouseDevice *mouseDevice() const;

public:

    struct InputState

        float rxAxisValue;

        float ryAxisValue;

        float txAxisValue;

        float tyAxisValue;

        float tzAxisValue;

        bool leftMouseButtonActive;

        bool middleMouseButtonActive;

        bool rightMouseButtonActive;

        bool altKeyActive;

        bool shiftKeyActive;

};

private:

    virtual void moveCamera(const InputState &state, float dt) = 0;

private:

    Q_DECLARE_PRIVATE(QAbstractCameraController)

};

}   // Qt3DExtras

QT_END_NAMESPACE

#endif // QT3DEXTRAS_QABSTRACTCAMERACONTROLLER_H