qtk/src/qtk/camera3d.h

113 lines
3.7 KiB
C++

/*##############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2023 Shaun Reed, all rights reserved ##
## About: Fly camera class from tutorials followed at trentreed.net ##
## ##
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
##############################################################################*/
#ifndef QTK_CAMERA3D_H
#define QTK_CAMERA3D_H
#include <QDebug>
#include "qtkapi.h"
#include "transform3D.h"
namespace Qtk {
class QTKAPI Camera3D {
public:
/*************************************************************************
* Static Public Constants
************************************************************************/
static const QVector3D LocalForward;
static const QVector3D LocalUp;
static const QVector3D LocalRight;
/*************************************************************************
* Accessors
************************************************************************/
/**
* @return Transform3D associated with this camera.
*/
inline Transform3D & getTransform() { return mTransform; }
/**
* @return Current translation of the camera as a QVector3D.
*/
[[nodiscard]] inline const QVector3D & getTranslation() const {
return mTransform.getTranslation();
}
/**
* @return Current rotation of this camera as a QQuaternion.
*/
[[nodiscard]] inline const QQuaternion & getRotation() const {
return mTransform.getRotation();
}
/**
* @return QVector3D for the forward vector of the camera.
*/
[[nodiscard]] inline QVector3D getForward() const {
return mTransform.getRotation().rotatedVector(LocalForward);
}
/**
* @return QVector3D for the right vector of the camera.
*/
[[nodiscard]] inline QVector3D getRight() const {
return mTransform.getRotation().rotatedVector(LocalRight);
}
/**
* @return QVector3D for the up vector of the camera.
*/
[[nodiscard]] inline QVector3D getUp() const {
return mTransform.getRotation().rotatedVector(LocalUp);
}
/*************************************************************************
* Public Methods
************************************************************************/
/**
* @return World To View matrix for this camera.
*/
const QMatrix4x4 & toMatrix();
private:
/*************************************************************************
* Private Methods
************************************************************************/
#ifndef QT_NO_DATASTREAM
friend QDataStream & operator<<(QDataStream & out, Camera3D & transform);
friend QDataStream & operator>>(QDataStream & in, Camera3D & transform);
#endif
/*************************************************************************
* Private Members
************************************************************************/
Transform3D mTransform;
QMatrix4x4 mWorld;
};
// Qt Streams
#ifndef QT_NO_DATASTREAM
QDataStream & operator<<(QDataStream & out, const Camera3D & transform);
QDataStream & operator>>(QDataStream & in, Camera3D & transform);
#endif
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const Camera3D & transform);
#endif
} // namespace Qtk
Q_DECLARE_TYPEINFO(Qtk::Camera3D, Q_MOVABLE_TYPE);
#endif // QTK_CAMERA3D_H