Re: [osg-users] Implementing a 3D GUI
Unfortunately, this will most likely not be open sourced due to the fact that I'm developing it for my employer. There is certainly an advantage to open sourcing it, I know, especially when it comes to fixing bugs and adding new features. However, my employer probably isn't ready to take that step forward yet. Incidentally, I was able to get the picker to work with my application. It took a little extra doing since the other 3rd party utility that I use, Delta3D, doesn't use the osgProducer class (still using OSG 1.2). My only bugs now that I have seen involve the mouse cursor flickering or the caret not showing (depending on the implementation used which gets complicated.) Unfortunately, those aren't OSG related; so asking for help with those is more than a bit off topic. -Brian On Thu Jan 24 13:27 , Jeremy Moles [EMAIL PROTECTED] sent: On Tue, 2008-01-22 at 12:00 -0500, Brian wrote: Hi, I am in the process of trying to create an interactive Macromedia Flash drawable. I am now at the point where the Flash movie is rendering, but it has no available mouse input. My problem is how to determine what the coordinates of my mouse cursor are (in 2D space) when the mouse is over the drawable. Preferably, I'd like to know the 2D coordinate of the mouse position in terms of (0..1, 0..1). The drawable itself is in 3D space. Is this code Open Source? I'd love to help test it out a bit, and perhaps apply anything I learn therein to osgWidget... I know that the IntersectVistor allows me to do certain things, but I have never really used it before. I've taken a look at the osgPick example and see that I can get the local and world coordinates of an intersection, but I am unclear as to whether there are any helper OSG classes/functions that will allow me to map that intersection point to the correct 2D coordinate to pass to the Flash player. Also, is it possible to restrict the intersection tests for my Flash drawables only? Thanks, Brian ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Implementing a 3D GUI
On Tue, 2008-01-22 at 12:00 -0500, Brian wrote: Hi, I am in the process of trying to create an interactive Macromedia Flash drawable. I am now at the point where the Flash movie is rendering, but it has no available mouse input. My problem is how to determine what the coordinates of my mouse cursor are (in 2D space) when the mouse is over the drawable. Preferably, I'd like to know the 2D coordinate of the mouse position in terms of (0..1, 0..1). The drawable itself is in 3D space. Is this code Open Source? I'd love to help test it out a bit, and perhaps apply anything I learn therein to osgWidget... I know that the IntersectVistor allows me to do certain things, but I have never really used it before. I've taken a look at the osgPick example and see that I can get the local and world coordinates of an intersection, but I am unclear as to whether there are any helper OSG classes/functions that will allow me to map that intersection point to the correct 2D coordinate to pass to the Flash player. Also, is it possible to restrict the intersection tests for my Flash drawables only? Thanks, Brian ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Implementing a 3D GUI
Hi, I am in the process of trying to create an interactive Macromedia Flash drawable. I am now at the point where the Flash movie is rendering, but it has no available mouse input. My problem is how to determine what the coordinates of my mouse cursor are (in 2D space) when the mouse is over the drawable. Preferably, I'd like to know the 2D coordinate of the mouse position in terms of (0..1, 0..1). The drawable itself is in 3D space. I know that the IntersectVistor allows me to do certain things, but I have never really used it before. I've taken a look at the osgPick example and see that I can get the local and world coordinates of an intersection, but I am unclear as to whether there are any helper OSG classes/functions that will allow me to map that intersection point to the correct 2D coordinate to pass to the Flash player. Also, is it possible to restrict the intersection tests for my Flash drawables only? Thanks, Brian ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Implementing a 3D GUI
On Tue, 2008-01-22 at 12:00 -0500, Brian wrote:
Hi,
I am in the process of trying to create an interactive Macromedia Flash
drawable. I am now at the point where the Flash movie is rendering, but it
has no available mouse input. My problem is how to determine what the
coordinates of my mouse cursor are (in 2D space) when the mouse is over the
drawable. Preferably, I'd like to know the 2D coordinate of the mouse
position in terms of (0..1, 0..1). The drawable itself is in 3D space.
I know that the IntersectVistor allows me to do certain things, but I have
never really used it before. I've taken a look at the osgPick example and
see that I can get the local and world coordinates of an intersection, but I
am unclear as to whether there are any helper OSG classes/functions that will
allow me to map that intersection point to the correct 2D coordinate to pass
to the Flash player. Also, is it possible to restrict the intersection tests
for my Flash drawables only?
osgGA::GUIEventAdapter::{getX, getY} is what I believe you want here,
but you'll need to know how to tie it all in together with your app,
which is a somewhat non-trivial thing (imo).
Of course, I'd encourage you to just use osgHUD--since it never hurts to
have more eyeballs looking at my code--but it may not be ready for your
use yet. :) However, nothing about what you've described here wouldn't
fit into osgHUD currently, though you'd need to inhert from
osgHUD::Window or osgHUD::Widget somehow. I'd be willing to help with
this if your code is public...
Also, osgHUD handles the picking exclusivity issues by requiring the
user provide a unique NodeMask when creating an osgHUD::WindowManager
object. I asked a few months back and was told this was the best way, so
I'd say the same would apply here as well.
(If you want to see how osgHUD does all this, check out SVN and look at
the osgHUD/ViewerEventHandlers file)
Thanks,
Brian
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