[osg-users] Draw geometry that keeps its size in screen even with user manipulation (scaling, etc)

Trajce Nikolov NICK trajce.nikolov.nick at gmail.com
Mon Nov 21 08:20:40 PST 2016


Hi Bruno,

maybe you can have a look at osg::AutoTransform

On Mon, Nov 21, 2016 at 4:08 PM, Bruno Oliveira <
bruno.manata.oliveira at gmail.com> wrote:

> Hello,
>
> I am drawing some basic shapes/geometries (in this case, some rectangles
> or circles), but need them to have fixed size in screen pixel coordinates,
> even when the user manipulates the scene.
>
> For instance, I want to draw rectangles that are 10-pixel wide, and keep
> these 10 pixels even when the user zooms in or zooms out the scene.
>
> How can I do this?
>
>
> ( I think this can't be accomplished with osg::Transform::ABSOLUTE_RF,
> since I want the shapes to translate/rotate when user manipulates the scene)
>
> _______________________________________________
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> osg-users at lists.openscenegraph.org
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>
>


-- 
trajce nikolov nick
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