Simon wrote: > Paul Griffiths wrote: > > > Ive worked out whats required to get my effect working , though im only > > guessing right now at the math required. > > > > Just need 4 clipPlanes facing into the into the scene surrounding the > > panel. Simple, in theory lol > > > > Cheers, > > PaulG > > > > Given 3 points on a plane, the plane equation is: > > osg::Vec3 n = (pt1 - pt0) ^ (pt2 - pt1); > float d = -n * pt0; > osg::ClipPlane *cp = new osg::ClipPlane(i, n.x(), n.y(), n.z(), d); > > -- > http://www.ssTk.co.uk > _______________________________________________ > osg-users mailing list > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > ------------------ > Post generated by Mail2Forum
Thanks for the math, was wondering how to project a plane based on 3 points. :D ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=12870#12870 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
