FGFS-4.1/OpenSceneGraph
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From Adrain Egli, "i added a default scene with 7 different draggers attached. it's more easy to test the draggers."

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This commit is contained in:
Robert Osfield 2008-07-11 19:52:25 +00:00
parent 360e7629d0
commit 2b5708888e
1 changed files with 120 additions and 12 deletions
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130
examples/osgmanipulator/osgmanipulator.cpp
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@ -31,6 +31,11 @@
#include <osgManipulator/Translate2DDragger>
#include <osgManipulator/TranslateAxisDragger>
#include <osg/ShapeDrawable>
#include <osg/MatrixTransform>
#include <osg/Geometry>
#include <osg/Material>
#include <iostream>
osgManipulator::Dragger* createDragger(const std::string& name)
@ -79,9 +84,12 @@ osgManipulator::Dragger* createDragger(const std::string& name)
dragger = d;
}
return dragger;
}
osg::Node* createHUD()
{
osg::Geode* geode = new osg::Geode();
@ -141,6 +149,104 @@ osg::Node* addDraggerToScene(osg::Node* scene, osgManipulator::CommandManager* c
return root;
}
osg::Node* createDemoScene(osgManipulator::CommandManager* cmdMgr) {
osg::Group* root = new osg::Group;
osg::ref_ptr<osg::Geode> geode_1 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_1 = new osg::MatrixTransform;
osg::ref_ptr<osg::Geode> geode_2 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_2 = new osg::MatrixTransform;
osg::ref_ptr<osg::Geode> geode_3 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_3 = new osg::MatrixTransform;
osg::ref_ptr<osg::Geode> geode_4 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_4 = new osg::MatrixTransform;
osg::ref_ptr<osg::Geode> geode_5 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_5 = new osg::MatrixTransform;
osg::ref_ptr<osg::Geode> geode_6 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_6 = new osg::MatrixTransform;
osg::ref_ptr<osg::Geode> geode_7 = new osg::Geode;
osg::ref_ptr<osg::MatrixTransform> transform_7 = new osg::MatrixTransform;
const float radius = 0.8f;
const float height = 1.0f;
osg::ref_ptr<osg::TessellationHints> hints = new osg::TessellationHints;
hints->setDetailRatio(2.0f);
osg::ref_ptr<osg::ShapeDrawable> shape;
shape = new osg::ShapeDrawable(new osg::Box(osg::Vec3(0.0f, 0.0f, -2.0f), 10, 10.0f, 0.1f), hints.get());
shape->setColor(osg::Vec4(0.5f, 0.5f, 0.7f, 1.0f));
geode_1->addDrawable(shape.get());
shape = new osg::ShapeDrawable(new osg::Cylinder(osg::Vec3(0.0f, 0.0f, 0.0f), radius * 2,radius), hints.get());
shape->setColor(osg::Vec4(0.8f, 0.8f, 0.8f, 1.0f));
geode_2->addDrawable(shape.get());
shape = new osg::ShapeDrawable(new osg::Cylinder(osg::Vec3(-3.0f, 0.0f, 0.0f), radius,radius), hints.get());
shape->setColor(osg::Vec4(0.6f, 0.8f, 0.8f, 1.0f));
geode_3->addDrawable(shape.get());
shape = new osg::ShapeDrawable(new osg::Cone(osg::Vec3(3.0f, 0.0f, 0.0f), 2 * radius,radius), hints.get());
shape->setColor(osg::Vec4(0.4f, 0.9f, 0.3f, 1.0f));
geode_4->addDrawable(shape.get());
shape = new osg::ShapeDrawable(new osg::Cone(osg::Vec3(0.0f, -3.0f, 0.0f), radius, height), hints.get());
shape->setColor(osg::Vec4(0.2f, 0.5f, 0.7f, 1.0f));
geode_5->addDrawable(shape.get());
shape = new osg::ShapeDrawable(new osg::Cylinder(osg::Vec3(0.0f, 3.0f, 0.0f), radius, height), hints.get());
shape->setColor(osg::Vec4(1.0f, 0.3f, 0.3f, 1.0f));
geode_6->addDrawable(shape.get());
shape = new osg::ShapeDrawable(new osg::Cone(osg::Vec3(0.0f, 0.0f, 3.0f), 2.0f, 2.0f), hints.get());
shape->setColor(osg::Vec4(0.8f, 0.8f, 0.4f, 1.0f));
geode_7->addDrawable(shape.get());
// material
osg::ref_ptr<osg::Material> matirial = new osg::Material;
matirial->setColorMode(osg::Material::DIFFUSE);
matirial->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
matirial->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
matirial->setShininess(osg::Material::FRONT_AND_BACK, 64.0f);
root->getOrCreateStateSet()->setAttributeAndModes(matirial.get(), osg::StateAttribute::ON);
transform_1.get()->addChild(addDraggerToScene(geode_1.get(),cmdMgr,"TabBoxDragger"));
transform_2.get()->addChild(addDraggerToScene(geode_2.get(),cmdMgr,"TabPlaneDragger"));
transform_3.get()->addChild(addDraggerToScene(geode_3.get(),cmdMgr,"TabPlaneTrackballDragger"));
transform_4.get()->addChild(addDraggerToScene(geode_4.get(),cmdMgr,"TrackballDragger"));
transform_5.get()->addChild(addDraggerToScene(geode_5.get(),cmdMgr,"Translate1DDragger"));
transform_6.get()->addChild(addDraggerToScene(geode_6.get(),cmdMgr,"Translate2DDragger"));
transform_7.get()->addChild(addDraggerToScene(geode_7.get(),cmdMgr,"TranslateAxisDragger"));
root->addChild(transform_1.get());
root->addChild(transform_2.get());
root->addChild(transform_3.get());
root->addChild(transform_4.get());
root->addChild(transform_5.get());
root->addChild(transform_6.get());
root->addChild(transform_7.get());
return root;
}
class PickModeHandler : public osgGA::GUIEventHandler
{
public:
@ -254,7 +360,7 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->addCommandLineOption("--help-keys","Display keyboard & mouse bindings available");
arguments.getApplicationUsage()->addCommandLineOption("--help-all","Display all command line, env vars and keyboard & mouse bindings.");
arguments.getApplicationUsage()->addCommandLineOption("--dragger <draggername>","Use the specified dragger for manipulation");
arguments.getApplicationUsage()->addCommandLineOption("--dragger <draggername>","Use the specified dragger for manipulation [TabPlaneDragger,TabPlaneTrackballDragger,TrackballDragger,Translate1DDragger,Translate2DDragger,TranslateAxisDragger,TabBoxDragger]");
// construct the viewer.
@ -281,12 +387,6 @@ int main( int argc, char **argv )
return 1;
}
if (arguments.argc()<=1)
{
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
std::string dragger_name = "TabBoxDragger";
arguments.read("--dragger", dragger_name);
@ -295,11 +395,17 @@ int main( int argc, char **argv )
// read the scene from the list of file specified command line args.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
// create a command manager
osg::ref_ptr<osgManipulator::CommandManager> cmdMgr = new osgManipulator::CommandManager;
// if no model has been successfully loaded report failure.
bool tragger2Scene(true);
if (!loadedModel)
{
std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
return 1;
//std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
//return 1;
loadedModel = createDemoScene(cmdMgr.get());
tragger2Scene=false;
}
// any option left unread are converted into errors to write out later.
@ -320,11 +426,13 @@ int main( int argc, char **argv )
osgUtil::Optimizer optimizer;
optimizer.optimize(loadedModel.get());
osg::ref_ptr<osgManipulator::CommandManager> cmdMgr = new osgManipulator::CommandManager;
// pass the loaded scene graph to the viewer.
if ( tragger2Scene ) {
viewer.setSceneData(addDraggerToScene(loadedModel.get(), cmdMgr.get(), dragger_name));
} else {
viewer.setSceneData(loadedModel.get());
}
viewer.addEventHandler(new PickModeHandler());
return viewer.run();