Sorry J-S,
It was so stupid to make such a mistake . It did work now. Thanks a lot. On Wed, Apr 8, 2009 at 4:09 PM, ami guru <[email protected]> wrote: > Hello J-S, > > > I have already tried that , but i am not getting the output that i am > looking for. > > The snippet is as follows: > > > ********************''' > if (buttonMask == GUIEventAdapter::LEFT_MOUSE_BUTTON) > { > // rotate camera. > > osg::Quat new_rotate; > osg::Quat new_rotate1; > > new_rotate.makeRotate(dx / 3.0f, osg::Vec3(0.0f, 0.0f, 1.0f)); > new_rotate1.makeRotate(dy / 3.0f, osg::Vec3(1.0f, 0.0f, 0.0f)); > > m_rotation = m_rotation * new_rotate * new_rotate1 ; > > return true; > > } > > > > **********************' > > I am wrong in the concept i believe . > Any hint to to do some trial and error ? > > > > Regards > Sajjad > > > > On Wed, Apr 8, 2009 at 3:04 PM, Jean-Sébastien Guay < > [email protected]> wrote: > >> Hello Sajjad, >> >> I want to rotate the camera against X axis when the mouse is clicked and >>> dragged vertically - means against the X - axis. with very same left mouse >>> click. >>> Do i have to create another osg::Quat variable for that or use the >>> existing one ? >>> >> >> I'm confused - you have the code, why don't you experiment? You can change >> the manipulator to do whatever you want. >> >> Hint: you can multiply whatever quaternion you have by another one that >> rotates around the X axis by the y mouse input value you get. That will give >> you a compound rotation which is the combination of both rotations. >> >> J-S >> -- >> ______________________________________________________ >> Jean-Sebastien Guay [email protected] >> http://www.cm-labs.com/ >> http://whitestar02.webhop.org/ >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > >
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