[Interest] Qt3d Support?

Jeremy jswigart at gmail.com
Wed Oct 21 13:18:28 CEST 2015


Many thanks Paul. I'm using 5.5. I'll update to the 5.6 source and check on
the state of things.

On Tue, Oct 20, 2015, 5:56 AM Paul Lemire <paul.lemire at kdab.com> wrote:

> > > Subject: Re: [Interest] Qt3d Support?
> > > Date: Tuesday 20 October 2015, 02:49:09
> > > From: Jeremy <jswigart at gmail.com>
> > > To: Thiago Macieira <thiago.macieira at intel.com>,
> interest at qt-project.org
> > >
> > > Thanks.
> > >
> > > For anyone interested this is what I'm tinkering with
> > > http://jswigart.github.io/game-analytics/
> > >
> > > I made the switch to Qt3d from an OSG based Qt render window and
> there's a
> > > lot to like about what Qt3d has to offer from what I can tell, I'm just
> > > running into some issues that I mentioned in previous posts that I
> haven't
> > > quite figured out yet.
>
> Hello Jeremy,
>
> Which branch of the qt3d repository are you using ?
>
> Right now we're mostly working on the 5.6 branch, a few issues that you've
> encountered might have already been fixed.
>
> > >
> > > [Interest] Qt3d QML Transform Problem
> > > <
> http://lists.qt-project.org/pipermail/interest/2015-October/019257.html>
>
> What you are doing looks correct to me. Maybe doing a setProperty doesn't
> trigger a notification signal when the property changes.
>
> Could you verify that when you change the value of the positionX property
> from
> C++ it triggers a positionXChanged signal. Simply adding an
> onPositionXChanged: console.log("posXChanged")
> on the Entity and
> onTranslateChanged : console.log("translation " + translation)
> on the Translate .
>
> in the qml would be enough to verify this.
>
> You can file a bug report and assign it to me otherwise.
>
> > > [Interest] Qt3d Toggle mesh/entity visibility
> > > <
> http://lists.qt-project.org/pipermail/interest/2015-October/019259.html>
>
> Setting the enabled flag on a QAbstractMesh component stops it from being
> rendered. This was fixed only a few weeks ago (QTBUG-48630). You do not
> need to
> handle it in your QAbstractMesh subclasses.
>
> > > [Interest] Qt3d Custom Camera Control
> > > <
> http://lists.qt-project.org/pipermail/interest/2015-October/019253.html>
>
> You've got two ways of doing so:
> Either use a QCamera/Camera and call the tilt/pan/roll/rotate/translate
> using
> a QKeyboardInput component.
>
> Or have a QEntity with a QTransform { QLookAtTransform {} } and a
> QCameraLens
> and do the same thing by modifying the properties on the QLookAtTransform
>
> The Camera controller that is available by default uses hard coded keys. We
> are actively working on that part and will later provided out of the box
> camera controllers for 1st and 3rd person.
> > >
> > >
> > >
> > > On Mon, Oct 19, 2015 at 9:38 PM Thiago Macieira
> > > <thiago.macieira at intel.com>
> > >
> > > wrote:
> > > > On Tuesday 20 October 2015 01:09:00 Jeremy wrote:
> > > > > Is there a better place to get Qt3d support than this mailing list?
>
> You can join the #qt-3d irc channel and ask questions on here.
>
> > > >
> > > > Between
> > > >
> > > > > the poor Qt3d documentation and difficulty of getting questions
> > > >
> > > > addressed,
> > > >
> > > > > I feel like I'm in the wrong place.
> > > >
> > > > There's no better place than this mailing list, unless you want to
> hire
> > > > professional support.
> > > >
> > > > --
> > > > Thiago Macieira - thiago.macieira (AT) intel.com
> > > >
> > > >   Software Architect - Intel Open Source Technology Center
> > > >
> > > > _______________________________________________
> > > > Interest mailing list
> > > > Interest at qt-project.org
> > > > http://lists.qt-project.org/mailman/listinfo/interest
> > >
> > > -----------------------------------------
>
> --
> Paul Lemire | paul.lemire at kdab.com | Software Engineer
> KDAB (France) S.A.S., a KDAB Group company
> Tel. France +33 (0)4 90 84 08 53, http://www.kdab.fr
> KDAB - Qt Experts - Platform-independent software solutions
>
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
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