[Interest] [QT3D] How to make billboard?

[Oleg Evseev]

Hello,

I am interesting if there are ready to use classes or functions to make
billboards (2D elements in 3D world that always faces the camera) in QT3D
(qml and cpp).

As I see by https://bugreports.qt.io/browse/QTBUG-24454 in Qt3D 1.0 there
was BillBoardTransform class, functionality of which was replaced by
LookAtTransform.
But I didn't find LookAtTransform in qt 5.6 or 5.7.

I understand that I can do it by my own class following for example this
tutorial
http://www.opengl-tutorial.org/ru/intermediate-tutorials/billboards-particles/billboards/
but maybe this is not needed actually?

Thanks for your attention.

Regards, Oleg
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