FGFS-4.1/OpenSceneGraph
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Added beginings osgprecipitation example.

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This commit is contained in:
Robert Osfield
2006-04-05 15:13:17 +00:00
parent de930be1c1
commit 051f2a5eb9
7 changed files with 364 additions and 9 deletions
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38
examples/osgsimulation/osgsimulation.cpp
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@@ -25,6 +25,8 @@
#include <osg/PositionAttitudeTransform>
#include <osg/MatrixTransform>
#include <osg/CoordinateSystemNode>
#include <osg/Shape>
#include <osg/PolygonMode>
#include <osgDB/FileUtils>
#include <osgDB/ReadFile>
@@ -310,11 +312,15 @@ int main(int argc, char **argv)
viewer.setSceneData(root.get());
osg::CoordinateSystemNode* csn = dynamic_cast<osg::CoordinateSystemNode*>(root.get());
osg::Group * overlaySubGraph = new osg::Group;
if (csn)
{
bool insertOverlayNode = true;
osg::ref_ptr<osgSim::OverlayNode> overlayNode;
osg::Node* cessna = osgDB::readNodeFile("cessna.osg");
double s = 200000.0 / cessna->getBound().radius();
if (insertOverlayNode)
{
@@ -325,21 +331,34 @@ int main(int argc, char **argv)
{
overlayNode->addChild( csn->getChild(i) );
}
csn->removeChild(0, csn->getNumChildren());
csn->addChild(overlayNode.get());
osg::ref_ptr<osg::PolygonMode> polymode = new osg::PolygonMode;
polymode->setMode(osg::PolygonMode::FRONT_AND_BACK,osg::PolygonMode::LINE);
osg::NodeCallback* sphereCb = new ModelPositionCallback;
osg::ref_ptr<osg::MatrixTransform> mt = new osg::MatrixTransform;
mt->setUpdateCallback(sphereCb);
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
osg::ref_ptr<osg::ShapeDrawable> sd;
sd = new osg::ShapeDrawable(new osg::Sphere(osg::Vec3(0.0f,0.0f,0.0f),s));
sd->setColor(osg::Vec4(1.0,0.0,0.0,1.0));
geode->addDrawable(sd.get());
mt->addChild(geode.get());
overlaySubGraph->addChild(mt.get());
geode->getOrCreateStateSet()->setAttributeAndModes(polymode.get(), osg::StateAttribute::ON);
// tell the overlay node to continously update its overlay texture
// as we know we'll be tracking a moving target.
overlayNode->setContinuousUpdate(true);
}
osg::Node* cessna = osgDB::readNodeFile("cessna.osg");
//osg::Node* cessna = osgDB::readNodeFile("f15.ive");
if (cessna)
{
double s = 200000.0 / cessna->getBound().radius();
osg::MatrixTransform* scaler = new osg::MatrixTransform;
scaler->addChild(cessna);
scaler->setMatrix(osg::Matrixd::scale(s,s,s)*osg::Matrixd::rotate(rotation));
@@ -348,18 +367,15 @@ int main(int argc, char **argv)
osg::MatrixTransform* mt = new osg::MatrixTransform;
mt->addChild(scaler);
if (!nc) nc = new ModelPositionCallback;
mt->setUpdateCallback(nc);
csn->addChild(mt);
// if (overlaySubGraph) overlaySubGraph->addChild(mt);
// if we are using an overaly node, use the cessna subgraph as the overlay subgraph
if (overlayNode.valid())
{
overlayNode->setOverlaySubgraph(mt);
}
osgGA::NodeTrackerManipulator* tm = new osgGA::NodeTrackerManipulator;
tm->setTrackerMode(trackerMode);
@@ -374,6 +390,10 @@ int main(int argc, char **argv)
std::cout<<"Failed to read cessna.osg"<<std::endl;
}
if (overlayNode.valid())
{
// overlayNode->setOverlaySubgraph(overlaySubGraph);
}
}