Changeset 309 for experimental/distortionNG/main.cpp

Timestamp:

Aug 2, 2011, 11:38:09 PM (13 years ago)

Author:

Torben Dannhauer

Message:

first try to select a vertex in a mesh.
Nextstep: catch mouse drags from the GA, transform into mesh CF and modify vertex.

File:

• experimental/distortionNG/main.cpp (modified) (2 diffs)

experimental/distortionNG/main.cpp

@@ -17 +17 @@
 */
 
+#include "distortionNG.h"
+
 #include <osg/ArgumentParser>
+#include <osg/PolygonOffset>
+
 #include <osgDB/ReadFile>
 
@@ -93 +97 @@
     if (!rootnode)
     {
-        osg::notify(osg::WARN)<<"Warning: no valid data loaded, please specify a database on the command line."<<std::endl;
-        return 1;
+                rootnode = osgDB::readNodeFile("cow.osgt");
+                if(!rootnode)
+                {
+                        osg::notify(osg::WARN)<<"Warning: no valid data loaded, please specify a database on the command line."<<std::endl;
+                        return 1;
+                }
     }
 
+        osg::ref_ptr<osg::Geode> geode = new osg::Geode;
+        geode->addDrawable( distortionNG::createMesh(16, 9) );
+        geode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
+        geode->getOrCreateStateSet()->setAttributeAndModes( new osg::PolygonOffset(1.0f, 1.0f) );
 
-    // add a viewport to the viewer and attach the scene graph.
-    viewer.setSceneData( rootnode );
+        osg::ref_ptr<distortionHandler> selector = new distortionHandler( viewer.getCamera() );
 
+        osg::ref_ptr<osg::Group> root = new osg::Group;
+        root->addChild( geode.get() );
+        root->addChild( selector->createVertexHighlighter() );
 
-    // run the viewers main loop
-    return viewer.run();
+        viewer.addEventHandler( selector.get() );
+        viewer.setSceneData( root.get() );
 
+        // Avoid that the highlighter is culled away
+        osg::CullSettings::CullingMode mode = viewer.getCamera()->getCullingMode();
+        viewer.getCamera()->setCullingMode( mode & (~osg::CullSettings::SMALL_FEATURE_CULLING) );
+        
+        // run the viewers main loop
+        return viewer.run();
 }