Sergey, I've realized that I can turn my information data into a point cloud file. But what is the best implementation to load and draw this cloud? If there's a easy example I would appreciate it.
Thanks Sergey Kurdakov wrote: > Hi Vinicius > > I think that http://3dcgtutorials.blogspot.com/search/label/Instancing > (http://3dcgtutorials.blogspot.com/search/label/Instancing) ( read from > bottom to top ) explain it quite well. > > > you might pack positions either to Uniform Buffer Objects > > layout(std140) uniform instanceData > { > mat4 instanceModelMatrix[MAX_INSTANCES]; > }; > > > or to texture, and the texture can be dynamically updated for your shader > instancing, > > alternatively you might use geometry shader to generate spheres at points of > interest. > > Regards > Sergey > > > > > > On Sat, Nov 15, 2014 at 12:26 AM, Vinicius Schmidt < ()> wrote: > > > Hi Sergey, > > > > I think it's not what I need or I didn't find an example to apply to my > > problem. > > > > What I have is an array of positions, and I'm drawing the path with this: > > > > > > Code: > > > > for (int i = 0; i < dr->agents.size(); i++) { > > dr->agents[i]->getPath()->dirty(); > > dr->agents[i]->getArrayLines()->setFirst(0); > > > > dr->agents[i]->getArrayLines()->setCount(dr->agents[i]->getPath()->size()); > > } > > > > > > > > > > Now instead to draw the lines from position 0 to position N, I'd like to > > draw a dot or sphere in all these N positions, without line links. > > > > Could you give me some code sample? > > > > Thanks > > > > ------------------ > > Read this topic online here: > > http://forum.openscenegraph.org/viewtopic.php?p=61648#61648 > > (http://forum.openscenegraph.org/viewtopic.php?p=61648#61648) > > > > > > > > > > > > _______________________________________________ > > osg-users mailing list > > () > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > > > > > > > > > ------------------ > Post generated by Mail2Forum ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=61650#61650 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
