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// 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
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