When should i actually use requestWarpPointer ?? at every frame ? On Dec 11, 2007 2:27 AM, maruti borker <[EMAIL PROTECTED]> wrote:
> > Ok , suppose i am calculating the amount of steering from the center of > the screen ... even then when the mouse reaches one corner of a window it > wont be able to move any further , thus from that point the diffrence will > always be zero wont it be ? > > > On Dec 10, 2007 2:54 PM, Robert Osfield <[EMAIL PROTECTED]> wrote: > > > HI Maruti, > > > > When I've used mouse for steering I've always implemented a scheme > > where the delta of the mouse form the center of the screen sets the > > speed of rotation, for an example of this see the DriveManipulator. > > This way you never get limited by mouse movement beyond limiting the > > maximum speed of rotation. > > > > Robert. > > > > On Dec 9, 2007 7:46 PM, maruti borker < [EMAIL PROTECTED]> > > wrote: > > > > > > I am trying to develop a normal walkthrough program in OSG . I am > > trying use > > > wasd for movement and mouse for rotation . > > > > > > W-front A-left D-right S-back . > > > > > > The wads part is done , but when it comes to mouse movement i am > > facing a > > > small problem . > > > > > > What i am trying to do is , i am calculating the change in x > > co-ordinate and > > > y co-ordinate of the mouse while it is moving . And i am rotating > > according > > > to value of dx and dy .I was able to do it quite sucessfully .. but > > then i > > > faced a problem . The problem as that i couldnt rotate more when the > > pointer > > > is at a corner . coz near the corner he cant move further and dx=0 or > > dy=0 . > > > Thus i wasnt able to move anything :( . > > > > > > so i thought of restoring the mouse pointer every frame to the center > > of the > > > window. For that i used requestWarpPointer() of > > osgViewer::GraphicsWindow . > > > But now the program is behaving weirdly ... can u please check it out > > .. > > > thanx in advance > > > > > > ---------------------------------------------- > > > Maruti Borker > > > IIIT Hyderabad > > > Website:- > > > http://students.iiit.ac.in/~maruti<http://students.iiit.ac.in/%7Emaruti> > > > Blog:- http://marutiborker.wordpress.com > > > _______________________________________________ > > > osg-users mailing list > > > [email protected] > > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > > -- > > ---------------------------------------------- > Maruti Borker > IIIT Hyderabad > Website:- http://students.iiit.ac.in/~maruti > <http://students.iiit.ac.in/%7Emaruti> > Blog:- http://marutiborker.wordpress.com > -- ---------------------------------------------- Maruti Borker IIIT Hyderabad Website:- http://students.iiit.ac.in/~maruti Blog:- http://marutiborker.wordpress.com
_______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
