Qt 5.6 | Qt 3D | Qt 3D: Materials C++ Example | trefoilknot.h Example File

Qt 5.6.3 Reference Documentation

# trefoilknot.h Example File

materials-cpp/trefoilknot.h

      /****************************************************************************
      **
      ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
      ** Contact: http://www.qt-project.org/legal
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      ** This file is part of the Qt3D module of the Qt Toolkit.
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      ** $QT_BEGIN_LICENSE:LGPL3$
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      ** GNU Lesser General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU Lesser
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      ** GNU General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU
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      #ifndef TREFOILKNOT_H
      #define TREFOILKNOT_H

      #include <Qt3DCore/QEntity>
      #include <Qt3DCore/QTransform>
      #include <Qt3DRender/QMesh>

      class TrefoilKnot : public Qt3DCore::QEntity
      {
          Q_OBJECT
          Q_PROPERTY(float theta READ theta WRITE setTheta NOTIFY thetaChanged)
          Q_PROPERTY(float phi READ phi WRITE setPhi NOTIFY phiChanged)
          Q_PROPERTY(float scale READ scale WRITE setScale NOTIFY scaleChanged)
          Q_PROPERTY(QVector3D position READ position WRITE setPosition NOTIFY positionChanged)

      public:
          explicit TrefoilKnot(Qt3DCore::QNode *parent = 0);
          ~TrefoilKnot();

          float theta() const;
          float phi() const;
          QVector3D position() const;
          float scale() const;

      public slots:
          void setTheta(float theta);
          void setPhi(float phi);
          void setPosition(QVector3D position);
          void setScale(float scale);

      signals:
          void thetaChanged(float theta);
          void phiChanged(float phi);
          void positionChanged(QVector3D position);
          void scaleChanged(float scale);

      protected:
          void updateTransform();

      private:
          Qt3DRender::QMesh *m_mesh;
          Qt3DCore::QTransform *m_transform;
          float m_theta;
          float m_phi;
          QVector3D m_position;
          float m_scale;
      };

      #endif // TREFOILKNOT_H