[osg-users] Intersection with 2d plane embedded in 3d

Steve Hardy osgforum at tevs.eu
Tue May 21 02:55:17 PDT 2019

Hi Robert,

Thanks for the reply.  I take it that quad intersection is the right approach for this problem.
So follow-up question: what would be a good way to improve efficiency?  I know exactly which quad to intersect, but don't want intersection to test against all the other zillions of geodes in the scene.  It looks like the same node mask trick can be used with the intersection visitor, so hopefully I can use another node bit for that - although it looks like I have to turn off that bit in all except the node path from camera to quad.


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