Dear All,
I find during the passed several day, I received less emails than before.
Is there any problem?
Regards
2010-03-18
ijustfu
发件人： Georg Martius
发送时间： 2010-03-18 18:36:23
收件人： osg-users@lists.openscenegraph.org
抄送：
主题： [?? Probable Spam] Re: [osg-users] Render to Texture with independent
framerate(Solution)
Hi folks,
I would like to post my solution to the problem of rendering to a texture
independently on the framerate of the viewer, the code is attached.
My solution is to derived a Viewer from osgViewer::Viewer, added a custom
offScreenRender() function mimicking frame() and (offScreen)renderTraversal()
function without statistics and swapbuffer.
In the offScreenRender() function I exchange the child of the main camera
by the off screen rendering node containing only the RTT cameras and switch
it back afterwards. This works great except that the shadows do not work
correctly in the RTT camera. It seems that the light position is wrongly
detected, which is done in the cull traversal as far as I could understand
from looking at the code. How do I perform this properly in the
offScreenRenderTraversal() function?
Cheers,
Georg
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