54    void setPoints( 
const QVector<QVector3D> &vertices );
 
   63#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) 
   64    Qt3DRender::QAttribute *mPositionAttribute = 
nullptr;
 
   65    Qt3DRender::QBuffer *mVertexBuffer = 
nullptr;
 
   67    Qt3DCore::QAttribute *mPositionAttribute = 
nullptr;
 
   68    Qt3DCore::QBuffer *mVertexBuffer = 
nullptr;