[Interest] Qt3D point light intesity

Megidd Git megiddgit at gmail.com
Sat Apr 11 19:00:28 CEST 2020


Cool, thanks! 😃

On Sat, Apr 11, 2020 at 9:00 PM Esch Lorenz TU Ilmenau <
Lorenz.Esch at tu-ilmenau.de> wrote:

> Hi,
>
>
>
> QPointLight inherits from QAbstractLight, which offers setIntensitiy().
> See https://doc.qt.io/qt-5/qt3drender-qabstractlight.html#intensity-prop.
> Hope this helps.
>
>
>
> Cheers,
>
>
>
> Lorenz
>
>
>
> *Von:* Interest <interest-bounces at qt-project.org> *Im Auftrag von *Megidd
> Git
> *Gesendet:* Samstag, 11. April 2020 11:30
> *An:* interest at qt-project.org
> *Betreff:* [Interest] Qt3D point light intesity
>
>
>
> Hi!
>
>
>
> I'm using point light <https://doc.qt.io/qt-5/qt3drender-qpointlight.html> in
> a 3D scene with entities of Phong
> <https://doc.qt.io/qt-5/qt3dextras-qmorphphongmaterial.html> material. I
> just want to be able to increase/decrease point light *intensity*. Point
> light has three properties:
>
>
>
> - constantAttenuation : float
>
> - linearAttenuation : float
>
> - quadraticAttenuation : float
>
>
>
> Documentation mentions that the exact meaning and use of those properties
> is up to the material implementation. Now I wonder how can I simply
> decrease/increase light intensity, considering that I'm using Phong
> <https://doc.qt.io/qt-5/qt3dextras-qmorphphongmaterial.html> material.
>
>
>
> Thanks
>
> 😃
>
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