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Diffstat (limited to 'src/datavis3d/utils/camerahelper_p.h')
-rw-r--r-- | src/datavis3d/utils/camerahelper_p.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/datavis3d/utils/camerahelper_p.h b/src/datavis3d/utils/camerahelper_p.h new file mode 100644 index 00000000..340eb982 --- /dev/null +++ b/src/datavis3d/utils/camerahelper_p.h @@ -0,0 +1,31 @@ +#ifndef CAMERAPOSITIONER_P_H +#define CAMERAPOSITIONER_P_H + +#include "qdatavis3dglobal.h" + +class QMatrix4x4; +class QVector3D; +class QPoint; +class QPointF; + +QTCOMMERCIALDATAVIS3D_BEGIN_NAMESPACE + +class CameraHelper +{ +public: + // How fast camera rotates when mouse is dragged. Default is 100. + static void setRotationSpeed(int speed); + // Set camera rotation in degrees + static void setCameraRotation(QPointF rotation); + // Set default camera orientation. Position's x and y should be 0. + static void setDefaultCameraOrientation(QVector3D defaultPosition + , QVector3D defaultTarget + , QVector3D defaultUp); + static QMatrix4x4 calculateViewMatrix(QPoint mousePos, int zoom + , int screenWidth, int screenHeight); + static void updateMousePos(QPoint mousePos); +}; + +QTCOMMERCIALDATAVIS3D_END_NAMESPACE + +#endif |