Michael Platings wrote: > Don't use it like that as it'll cause an extra matrix copy (see line 614 of > Matrix_implementation.cpp). > Basically m1.invert(m2); is a more efficient way to express m1 = > Matrix::inverse(m2);
yeah, but i want to invert m, so i have to copy anyway, don't i? Michael Platings wrote: > now there's lots of code out there already using that interface so it can't > be changed. i also noticed this might be a problem... but one could still keep the old matrix class and mark it as deprecated. don't know, just an idea... it really is confusing (->frustrating) sometimes to newbies. Michael Platings wrote: > And if you find it confusing, think of it as a very light introduction to the > kind of confusion and frustration to be encountered in the world of OpenGL ;) :) well, to be honest, i am coming from low-level OpenGL programming and confusion arose just when i started with OpenSceneGraph, most the time caused by the premultiplication-style matrix operations. (i know this has historical reasons and can't be changed.) ------------------------ ithrak (Jason Fisher) ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=26842#26842 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
