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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