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Improvements to the NodeTrackManipulator and osgsimulation example

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This commit is contained in:
Robert Osfield
2004-10-14 10:38:29 +00:00
parent cecaec4ed8
commit 792a7fe0d5
3 changed files with 85 additions and 308 deletions
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65
examples/osgsimulation/osgsimulation.cpp
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@@ -197,6 +197,61 @@ int main(int argc, char **argv)
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
osg::Quat rotation;
osg::Vec4 vec4;
while (arguments.read("--rotate-model",vec4[0],vec4[1],vec4[2],vec4[3]))
{
osg::Quat local_rotate;
local_rotate.makeRotate(osg::DegreesToRadians(vec4[0]),vec4[1],vec4[2],vec4[3]);
rotation = rotation * local_rotate;
}
osg::NodeCallback* nc = 0;
std::string flightpath_filename;
while (arguments.read("--flight-path",flightpath_filename))
{
std::fstream fin(flightpath_filename.c_str());
if (fin)
{
osg::AnimationPath* path = new osg::AnimationPath;
path->read(fin);
nc = new osg::AnimationPathCallback(path);
}
}
osgGA::NodeTrackerManipulator::TrackerMode trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_ROTATION;
std::string mode;
while (arguments.read("--tracker-mode",mode))
{
if (mode=="NODE_CENTER_AND_ROTATION") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_ROTATION;
else if (mode=="NODE_CENTER_AND_AZIM") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER_AND_AZIM;
else if (mode=="NODE_CENTER") trackerMode = osgGA::NodeTrackerManipulator::NODE_CENTER;
else
{
std::cout<<"Unrecognized --tracker-mode option "<<mode<<", valid options are:"<<std::endl;
std::cout<<" NODE_CENTER_AND_ROTATION"<<std::endl;
std::cout<<" NODE_CENTER_AND_AZIM"<<std::endl;
std::cout<<" NODE_CENTER"<<std::endl;
return 1;
}
}
osgGA::NodeTrackerManipulator::RotationMode rotationMode = osgGA::NodeTrackerManipulator::TRACKBALL;
while (arguments.read("--rotation-mode",mode))
{
if (mode=="TRACKBALL") rotationMode = osgGA::NodeTrackerManipulator::TRACKBALL;
else if (mode=="ELEVATION_AZIM") rotationMode = osgGA::NodeTrackerManipulator::ELEVATION_AZIM;
else
{
std::cout<<"Unrecognized --rotation-mode option "<<mode<<", valid options are:"<<std::endl;
std::cout<<" TRACKBALL"<<std::endl;
std::cout<<" ELEVATION_AZIM"<<std::endl;
return 1;
}
}
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
@@ -231,16 +286,22 @@ int main(int argc, char **argv)
osg::MatrixTransform* scaler = new osg::MatrixTransform;
scaler->addChild(cessna);
scaler->setMatrix(osg::Matrixd::scale(s,s,s));
scaler->setMatrix(osg::Matrixd::scale(s,s,s)*osg::Matrixd::rotate(rotation));
scaler->getOrCreateStateSet()->setMode(GL_RESCALE_NORMAL,osg::StateAttribute::ON);
osg::MatrixTransform* mt = new osg::MatrixTransform;
mt->addChild(scaler);
mt->setUpdateCallback(new ModelPositionCallback);
if (!nc) nc = new ModelPositionCallback;
mt->setUpdateCallback(nc);
csn->addChild(mt);
osgGA::NodeTrackerManipulator* tm = new osgGA::NodeTrackerManipulator;
tm->setTrackerMode(trackerMode);
tm->setRotationMode(rotationMode);
tm->setTrackNode(scaler);
unsigned int num = viewer.addCameraManipulator(tm);