If you rendering in QtQuick you can use a Text{} item and project it's
position into screen space.On Tue, Dec 18, 2018 at 10:46 AM Volker Enderlein < volker.enderl...@ifm-chemnitz.de> wrote: > Hi Oleg, > > thank you so much for your comment. I saw your entry in the bug tracker > and therefore I tried to go the way with the custom material. > Unfortunately I cannot access the underlying material definition of the > utility classes that are used to render the text in Text2DEntity. As > they are all private and not exported from Qt DLLs I would need to copy > them, but that's something I would really try to avoid. The custom > material part was straight forward, based on your bug report and on a > previous implementation of a specialized material definition. > But now I'm stuck with the missing access. > > Cheers Volker > > Am 18.12.2018 um 13:38 schrieb Oleg Evseev: > > Hi Volker, > > > > Yes, you have to add custom material because > > Qt3DRender::QShaderProgram s of default materials are inside private > > class, so you can't change shaders' code source. > > > > Take a look at https://codereview.qt-project.org/#/c/182053/ (that was > > for including in qt 3d, but you could easily use it as custom material > > in your own app) and adopt it accordingly to Text2DMaterial. > > > > --- > > With regards, Oleg > > > > вт, 18 дек. 2018 г. в 15:07, Volker Enderlein > > <volker.enderl...@ifm-chemnitz.de > > <mailto:volker.enderl...@ifm-chemnitz.de>>: > > > > Hi all, > > > > when building a rather complex Qt3D-Scene I needed some 2D-Text > > that has > > a 3D position, is always facing the camera, and fixed in size, > > independent of the camera settings. > > > > While looking over the components provided by Qt3D I stumbled across > > Text2DEntity and thought about how it can be tweaked ot fulfill my > > requirements. > > > > As all my requirements can be done inside a shader I thought about > > whether the QText2DMaterial that is used inside the class can be > > replaced by a custom material. But unfortunately the material is not > > accessible from outside. > > > > Text2DEntity can be embedded in another class that applies the camera > > information to it, but is there an easier solution to this problem? > > > > Cheers Volker > > > > -- > > > > _______________________________________________ > > Interest mailing list > > Interest@qt-project.org <mailto:Interest@qt-project.org> > > https://lists.qt-project.org/listinfo/interest > > > > -- > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest >
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