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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CAMERA_CONTROLLER_H
#define CAMERA_CONTROLLER_H
#include <QObject>
#include <QPoint>
QT_BEGIN_NAMESPACE
class QMouseEvent;
class QWheelEvent;
class QKeyEvent;
class QTimer;
namespace Qt3D {
class QCamera;
class QEntity;
namespace Input {
class CameraController : public QObject
{
Q_OBJECT
Q_PROPERTY( float linearSpeed READ linearSpeed WRITE setLinearSpeed NOTIFY linearSpeedChanged )
Q_PROPERTY( float orbitRate READ orbitRate WRITE setOrbitRate NOTIFY orbitRateChanged )
Q_PROPERTY( float lookRate READ lookRate WRITE setLookRate NOTIFY lookRateChanged )
Q_PROPERTY( bool multisampleEnabled READ isMultisampleEnabled NOTIFY multisampleEnabledChanged )
public:
explicit CameraController(QObject *parent = 0);
void setCamera( QCamera* cam );
QCamera *camera() const;
void setLinearSpeed( float speed );
float linearSpeed() const;
float orbitRate() const;
void setOrbitRate( float rate );
float lookRate() const;
void setLookRate( float rate );
void mousePressEvent( QMouseEvent* aEvent );
void mouseReleaseEvent( QMouseEvent* aEvent );
void mouseMoveEvent( QMouseEvent* aEvent );
bool keyPressEvent( QKeyEvent* aEvent );
bool keyReleaseEvent( QKeyEvent* aEvent );
void update( double t );
bool isMultisampleEnabled() const;
public Q_SLOTS:
void toggleMSAA();
protected:
bool eventFilter(QObject *receiver, QEvent *event) Q_DECL_OVERRIDE;
Q_SIGNALS:
void linearSpeedChanged();
void orbitRateChanged();
void lookRateChanged();
void multisampleEnabledChanged();
private Q_SLOTS:
void onUpdate();
private:
QCamera* m_camera;
QEntity* m_cameraEntity;
float m_vx;
float m_vy;
float m_vz;
bool m_viewCenterFixed;
float m_panAngle;
float m_tiltAngle;
bool m_leftButtonPressed;
QPoint m_prevPos;
QPoint m_pos;
bool m_orbitMode;
float m_linearSpeed;
float m_time;
float m_orbitRate;
float m_lookRate;
bool m_translateFast;
bool m_multisampleEnabled;
QTimer *m_updateTimer;
};
} // of namespace Input
} // of namespace Qt3D
QT_END_NAMESPACE
#endif // of CAMERA_CONTROLLER_H
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