[osg-users] [Repost while forums down] Convert from screen space to world space and back to screen space

Christian Buchner christian.buchner at gmail.com
Mon Jun 26 02:27:55 PDT 2017

The thing is... a 2D pixel on screen is essentially a line segment in 3D
(contained within the view frustum). After manipulating this line with a
rotation matrix, this would most likely become a line in 2D space too.

Are you interested in the closest intersection with an object instead? That
might not always return a valid result if there's no object intersecting.

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