Hi, I have a scientific visualization application in which I essentially want to render many (hundreds of thousands) of cubes at once, of varying color and size. Furthermore, these cubes will change position and color every few seconds, and I need to position them deliberately.
Right now I am simply drawing osg::Box objects where I want them, and flushing the root group / reallocating from scratch on each iteration. This is a dumb approach and I'm looking for something more efficient. I am not intimately familiar with openGL but it seems that instanced drawing might be a good fit for this problem. I've looked at the osgdrawinstanced example but I'm confused about how I can define the shader such that I can specify the transformation on a per-instance basis. Does anyone have a suggestion on how I could go about this, or other suggestions for an optimal solution? Chris ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=49060#49060 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
