void SpaceNavigatorSSM::setCameraPosition(Pnt3f position)
{
Navigator* nav = getNavigator();
// set new look at point = old look at + new Position - old Position
nav->setAt(nav->getAt() + position - nav->getFrom());
// set new position
nav->setFrom(position);
}
int main(int argc, char **argv)
{
osgInit(argc,argv);
// GLUT init
glutInit(&argc, argv);
bool stereobuffer = false;
bool amberblue = false;
if(argc >= 2 && !strcmp(argv[1],"-s"))
{
stereobuffer = true;
--argc, ++argv;
}
if(argc >= 2 && !strcmp(argv[1],"-a"))
{
amberblue = true;
--argc, ++argv;
}
glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE |
(stereobuffer?GLUT_STEREO:0) );
glutCreateWindow("OpenSG");
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutIdleFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
PassiveWindowPtr pwin=PassiveWindow::create();
pwin->init();
// create the scene
NodePtr scene;
if(argc > 1)
{
scene = SceneFileHandler::the().read(argv[1]);
}
else
{
scene = makeBox(2,2,2, 1,1,1);
}
// create the SimpleSceneManager helper
mgr = new SimpleSceneManager;
// create the window and initial camera/viewport
mgr->setWindow(pwin );
// tell the manager what to manage
mgr->setRoot (scene);
// now create the second vp for stereo
ViewportPtr vp = pwin->getPort(0);
PerspectiveCameraPtr cam = PerspectiveCameraPtr::dcast(vp->getCamera());
beginEditCP(cam);
cam->setFov(deg2rad(90));
cam->setAspect(1);
endEditCP (cam);
Navigator *nav = mgr->getNavigator();
nav->setAt(Pnt3f(0,0,0));
nav->setDistance(1.5);
mgr->showAll();
// create the decorators and the second viewport
ViewportPtr vpleft,vpright;
decoleft = ShearedStereoCameraDecorator::create();
decoright = ShearedStereoCameraDecorator::create();
beginEditCP(decoleft);
decoleft->setEyeSeparation(ed);
decoleft->setZeroParallaxDistance(zpp);
decoleft->setLeftEye(true);
decoleft->setDecoratee(cam);
endEditCP (decoleft);
beginEditCP(decoright);
decoright->setEyeSeparation(ed);
decoright->setZeroParallaxDistance(zpp);
decoright->setLeftEye(false);
decoright->setDecoratee(cam);
endEditCP (decoright);
if(amberblue)
{
ColorBufferViewportPtr svpleft = ColorBufferViewport::create();
ColorBufferViewportPtr svpright = ColorBufferViewport::create();
beginEditCP(svpleft);
svpleft->setLeft(0);
svpleft->setRight(1);
svpleft->setBottom(0);
svpleft->setTop(1);
svpleft->setCamera(decoleft);
svpleft->setBackground(vp->getBackground());
svpleft->setRoot(vp->getRoot());
svpleft->setRed(GL_TRUE);
svpleft->setGreen(GL_TRUE);
svpleft->setBlue(GL_FALSE);
svpleft->setAlpha(GL_TRUE);
endEditCP (svpleft);
beginEditCP(svpright);
svpright->setLeft(0);
svpright->setRight(1);
svpright->setBottom(0);
svpright->setTop(1);
svpright->setCamera(decoright);
svpright->setBackground(vp->getBackground());
svpright->setRoot(vp->getRoot());
svpright->setRed(GL_FALSE);
svpright->setGreen(GL_FALSE);
svpright->setBlue(GL_TRUE);
svpright->setAlpha(GL_FALSE);
endEditCP (svpright);
vpleft = svpleft;
vpright = svpright;
}
else if(stereobuffer)
{
StereoBufferViewportPtr svpleft = StereoBufferViewport::create();
StereoBufferViewportPtr svpright = StereoBufferViewport::create();
beginEditCP(svpleft);
svpleft->setLeft(0);
svpleft->setRight(1);
svpleft->setBottom(0);
svpleft->setTop(1);
svpleft->setCamera(decoleft);
svpleft->setBackground(vp->getBackground());
svpleft->setRoot(vp->getRoot());
svpleft->setLeftBuffer(true);
svpleft->setRightBuffer(false);
endEditCP (svpleft);
beginEditCP(svpright);
svpright->setLeft(0);
svpright->setRight(1);
svpright->setBottom(0);
svpright->setTop(1);
svpright->setCamera(decoright);
svpright->setBackground(vp->getBackground());
svpright->setRoot(vp->getRoot());
svpright->setLeftBuffer(false);
svpright->setRightBuffer(true);
endEditCP (svpright);
vpleft = svpleft;
vpright = svpright;
}
else
{
vpleft = vp;
vpright = Viewport::create();
beginEditCP(vpleft);
vpleft->setLeft(0);
vpleft->setRight(1);
vpleft->setBottom(0);
vpleft->setTop(0.5);
endEditCP (vpleft);
beginEditCP(vpright);
vpright->setLeft(0);
vpright->setRight(1);
vpright->setBottom(0.5);
vpright->setTop(1);
vpright->setBackground(vp->getBackground());
vpright->setRoot(vp->getRoot());
endEditCP (vpright);
}
beginEditCP(vpleft);
vpleft->setCamera(decoleft);
endEditCP (vpleft);
beginEditCP(vpright);
vpright->setCamera(decoright);
endEditCP (vpright);
beginEditCP(pwin);
pwin->subPort(vp);
pwin->addPort(vpleft);
pwin->addPort(vpright);
endEditCP (pwin);
// make it notice the changes
mgr->setWindow(pwin );
// show the whole scene
mgr->showAll();
// OpenGL info
GLint val;
#define cv(v)\
glGetIntegerv((v),&val);\
printf("%s: %d\n", #v, val)
cv(GL_RED_BITS);
cv(GL_GREEN_BITS);
cv(GL_BLUE_BITS);
cv(GL_DEPTH_BITS);
glEnable(GL_DEPTH_TEST);
// GLUT main loop
glutMainLoop();
return 0;
}
