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TrianglePicking does not work?

  • Here is my use case:
    I am using Qt3D to pick 3D objects(like a Qt3DExtras::QCuboidMesh). The default pick method is BoundingVolume, which is very coarse. I would like to switch to TrianglePicking.

    My question is how to make the TrianglePicking work?
    I have achieved very precise picking in QtQuick, while do not know how to do that with C++. Here is the code that does not work. Could anyone point out where should I correct?

    Qt3DRender::QPickingSettings *settings = new Qt3DRender::QPickingSettings();

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