FGFS-4.1/OpenSceneGraph
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Ported following examples to osgViewer:

Browse Source 
osgparticleeffects
osgphotoalbum
osgpick
osgpoints
osgpointsprite
osgprecipitation
osgprerender
osgprerendercubemap
osgreflect
osgscalarbar
osgscribe
osgsequence
osgplanets
This commit is contained in:
Robert Osfield
2007-01-10 13:52:22 +00:00
parent c5082cb85c
commit c4279bd5f1
57 changed files with 290 additions and 883 deletions
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80
examples/osgsequence/osgsequence.cpp
View File

@@ -19,8 +19,9 @@
#include <osgDB/ReadFile>
#include <osgProducer/Viewer>
#include <osgViewer/Viewer>
#include <iostream>
// create text drawable at 'pos'
osg::Geode* createText(const std::string& str, const osg::Vec3& pos)
@@ -131,6 +132,8 @@ osg::Sequence* createSequence(osg::ArgumentParser& arguments)
// real-time playback, repeat indefinitively
seq->setDuration(1.0f, -1);
seq->setMode(osg::Sequence::START);
return seq;
}
@@ -149,7 +152,7 @@ public:
{
if (ea.getEventType() == osgGA::GUIEventAdapter::KEYDOWN) {
switch (ea.getKey()) {
case 'S':
case 's':
{
osg::Sequence::SequenceMode mode = _seq->getMode();
if (mode == osg::Sequence::STOP) {
@@ -167,7 +170,7 @@ public:
_seq->setMode(mode);
}
break;
case 'L':
case 'l':
{
osg::Sequence::LoopMode mode;
int begin, end;
@@ -200,44 +203,9 @@ int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates use of osg::Sequence.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
// construct the viewer.
osgProducer::Viewer viewer(arguments);
// set up the value with sensible default event handlers.
viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(std::cout);
return 1;
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
if (arguments.argc()<=1)
{
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
osgViewer::Viewer viewer;
// root
osg::Group* rootNode = new osg::Group;
@@ -249,8 +217,8 @@ int main( int argc, char **argv )
"- assigns a display duration to each child",
"- can loop or swing through an interval of it's children",
"- can repeat the interval a number of times or indefinitively",
"- press 'Shift-S' to start/pause/resume",
"- press 'Shift-L' to toggle loop/swing mode",
"- press 's' to start/pause/resume",
"- press 'l' to toggle loop/swing mode",
NULL
};
rootNode->addChild(createHUD(createTextGroup(text)));
@@ -263,33 +231,7 @@ int main( int argc, char **argv )
viewer.setSceneData(rootNode);
// add event handler to control sequence
viewer.getEventHandlerList().push_front(new SequenceEventHandler(seq));
viewer.addEventHandler(new SequenceEventHandler(seq));
// create the windows and run the threads.
viewer.realize();
while( !viewer.done() )
{
// wait for all cull and draw threads to complete.
viewer.sync();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.update();
// fire off the cull and draw traversals of the scene.
viewer.frame();
}
// wait for all cull and draw threads to complete.
viewer.sync();
// run a clean up frame to delete all OpenGL objects.
viewer.cleanup_frame();
// wait for all the clean up frame to complete.
viewer.sync();
return 0;
return viewer.run();
}