Changeset 4487 for OpenSceneGraph/trunk/examples/osgsimulation/osgsimulation.cpp

Timestamp:

08/31/05 17:04:27 (8 years ago)

Author:

robert

Message:

Added osgSim::OverlayNode? setup in osgsimulation, and added preliminary test
code to the osgSim::OverlayNode? to test osgsimulation/the architecture.

Files:

• OpenSceneGraph/trunk/examples/osgsimulation/osgsimulation.cpp (modified) (5 diffs)

OpenSceneGraph/trunk/examples/osgsimulation/osgsimulation.cpp

@@ -34 +34 @@
 #include <osgTerrain/DataSet>
 
+#include <osgSim/OverlayNode>
+
 #include <osgGA/NodeTrackerManipulator>
 
@@ -290 +292 @@
     }
     
-    osg::ref_ptr<osg::Node> root = createEarth();
+    // read the scene from the list of file specified commandline args.
+    osg::ref_ptr<osg::Node> root = osgDB::readNodeFiles(arguments);
+
+    if (!root) root = createEarth();
     
     if (!root) return 0;
@@ -300 +305 @@
     if (csn)
     {
+
+        bool insertOverlayNode = true;
+        osg::ref_ptr<osgSim::OverlayNode> overlayNode;
+        if (insertOverlayNode)
+        {
+            overlayNode = new osgSim::OverlayNode;
+            for(unsigned int i=0; i<csn->getNumChildren(); ++i)
+            {
+                overlayNode->addChild( csn->getChild(i) );
+            }
+
+            csn->removeChild(0, csn->getNumChildren());
+            csn->addChild(overlayNode.get());
+        }
+        
+        
         osg::Node* cessna = osgDB::readNodeFile("cessna.osg");
         if (cessna)
@@ -319 +340 @@
 
             csn->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;
@@ -332 +359 @@
              std::cout<<"Failed to read cessna.osg"<<std::endl;
         }
+        
     }