Thanks. Setting the camera after the updateTraversal works great for
my initial test, which is using the camera from my main view, but when I
try to update the camera position for my RTT camera, the resulting
texture does not get updated. Do I have to handle these to cameras
differently?
CD
On 2014-03-18 03:37, Robert Osfield wrote:
Hi CD,
You could use an update callback but you'd need to make sure anything
that might move the Light will be done prior to the Camera's update
callback. Perhaps the easiest way to ensure this is to set the camera
after the Viewer::updateTraversal() but before the
Viewer::renderingTraversals(); To do this you'll need to create your
own frame loop i.e.
while(!viewer.done())
{
viewer.advance();
viewer.eventTraversal();
viewer.updateTraversal();
// set the camera here.
viewer.renderingTraversals();
}
Robert.
On 17 March 2014 17:59, Conan <[email protected]> wrote:
I want to update the position of one of the cameras in my app based
on the position of a light. I am updating the light position via an
update callback. What is the recommend way to update the camera
position? From some of the OSG source code I have seen that it is
possible to get the light, and it's position, during a cull callback,
and then set the camera matrix this way. Is this the best way to
accomplish this?
CD
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