Sajjadul Islam wrote:
> Hello,
>
> If i lit any object using the default light, the light remains at the
> same position even if pick the object and rotate it in mouse event.
>
> But if i disable that default light and create one of my own and then
> pick the object and rotate it then the light also moves with rotation.
>
>
> What could be the problem here and how can i keep the light fixed as in
> the case of the default light?
a light's location in the scene is determined by its beacon's coordinate
system, or if no beacon is set the coordinate system of the lights
position in the scene graph is being used.
To get a light that has a fixed location in the scene, use the scene's
root as beacon, or to have the light move with some object, either put
it between the transform and the object or make use the transform as the
light's beacon.
Hope it helps,
Carsten
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