Hi, It sound normal for me to have a y rotation for result. Make a little drawing, you will see that.
Vincent. 2008/12/22 hemanth korrapati <[email protected]> > hi all, > > I want to rotate a point which is on x-axis by 45 degrees w.r.t z-axis > and 45 degrees w.r.t x-axis. So I am using the following code > > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > osg::Matrixd mat; > > > mat.setRotate(osg::Quat(osg::DegreesToRadians(45.0),osg::Vec3d(.0,0.0,1.0))*osg::Quat(osg::DegreesToRadians(45.0),osg::Vec3d(1.0,0.0,0.0))); > osg::Vec3 temp(2000,0.0,0.0); > temp=mat*temp; > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > After this I see that only the point is rotated across y-axis(i.e the > first rotation) but not along x-axis. (only one rotation performed) > also it rotates in the negative direction. > > dows anyone know why these things happen ? > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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