Hello Everyone,
Well, in on of my previous threads, i was advised against using glut. But i
thought of using glut temporarily and get more familiar with the other classes.
So, i modified osgviewerGLUT.cpp like this, in order to get some translation
and rotation.
Code:
// global
osg::ref_ptr<osg::MatrixTransform> mt = new osg::MatrixTransform;
osg::Matrix m, r;
int rot;
void display(void)
{
m.setTrans(10, 0, 0 );
mt->setMatrix( m );
// update and render the scene graph
if (viewer.valid()) {
r.makeRotate( rot += 10, osg::Vec3( 1., 0., 0. ) );
viewer->getCamera()->setViewMatrix( r );
viewer->frame();
}
// Swap Buffers
glutSwapBuffers();
glutPostRedisplay();
}
But this does not work. What is wrong with the code? Can anyone provide some
help?
i added
Code:
viewer->getCamera()->setProjectionMatrixAsPerspective(
40., 3., 1., 100. );
and the projection matrix was manipulated. But i could not get rotation and
translation work from the pasted code. What could be wrong?
PS: Could anyone please throw some light as to how the matrices are manipulated
in OSG? Some links would be really helpful.
Thanks,
Mukund
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=36144#36144
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