[Interest] [Qt3D] Set up a QDirectionalLight

[Sean Harmer]

Hi,

On 06/12/2015 08:12, Nye wrote:
> Hello,
> How one goes about setting a light source for a scene? I tried by 
> creating a QDirectionalLight and adding it as a component to my 
> mesh/root node, but it doesn't show. Is this part of the Qt3D 
> implemented, or is it just an interface for now?
>
> Here is the a sample code I'm using:
>
> Qt3D::QDirectionalLight*light=newQt3D::QDirectionalLight();
> light->setColor(Qt::red);
> light->setDirection(QVector3D(0,-1,0));
> light->setEnabled(true);
> lamp->addComponent(mesh);
> lamp->addComponent(material);
> lamp->addComponent(transforms);
> lamp->addComponent(light);
> Also I'm getting a weird message in the debug window: 
> Qt3D::QDirectionalLight::setProperty: Property "positionTransformed" 
> invalid, read-only or does not existThanks in advance.

Please be sure to use the HEAD of 5.6. Laszlo was working on directional 
lights just the other day. Point lights and directional lights should 
work now. Spotlights will appear shortly.

Cheers,

Sean

> Kind regards.
>
>
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