qtk/lib/camera3d.h

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2021-09-03 16:56:57 +00:00
/*##############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2021 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 <transform3D.h>
class Camera3D {
public:
// Constants
static const QVector3D LocalForward;
static const QVector3D LocalUp;
static const QVector3D LocalRight;
// Accessors
inline Transform3D & transform() { return mTransform;}
inline const QVector3D & translation() const
{ return mTransform.translation();}
inline const QQuaternion & rotation() const
{ return mTransform.rotation();}
const QMatrix4x4 & toMatrix();
// Queries
inline QVector3D forward() const
{ return mTransform.rotation().rotatedVector(LocalForward);}
inline QVector3D right() const
{ return mTransform.rotation().rotatedVector(LocalRight);}
inline QVector3D up() const
{ return mTransform.rotation().rotatedVector(LocalUp);}
private:
Transform3D mTransform;
QMatrix4x4 mWorld;
#ifndef QT_NO_DATASTREAM
friend QDataStream & operator<<(QDataStream & out, Camera3D & transform);
friend QDataStream & operator>>(QDataStream & in, Camera3D & transform);
#endif
};
Q_DECLARE_TYPEINFO(Camera3D, Q_MOVABLE_TYPE);
// 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
#endif // QTK_CAMERA3D_H