Changeset 6767 for OpenSceneGraph/trunk/examples/osgcallback/osgcallback.cpp

Timestamp:

05/27/07 19:29:29 (6 years ago)

Author:

robert

Message:

Added camera event callback support into osgViewer

Files:

• OpenSceneGraph/trunk/examples/osgcallback/osgcallback.cpp (modified) (2 diffs)

OpenSceneGraph/trunk/examples/osgcallback/osgcallback.cpp

@@ -120 +120 @@
 };
 
+class CameraUpdateCallback : public osg::NodeCallback
+{
+    virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
+    { 
+        std::cout<<"Camera update callback - pre traverse"<<node<<std::endl;
+        traverse(node,nv);
+        std::cout<<"Camera update callback - post traverse"<<node<<std::endl;
+    }
+};
+
+class CameraEventCallback : public osg::NodeCallback
+{
+    virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
+    { 
+        std::cout<<"Camera event callback - pre traverse"<<node<<std::endl;
+        traverse(node,nv);
+        std::cout<<"Camera event callback - post traverse"<<node<<std::endl;
+    }
+};
+
 int main( int argc, char **argv )
 {
@@ -148 +168 @@
     rootnode->accept(icv);
 
+    viewer.getCamera()->setUpdateCallback(new CameraUpdateCallback());
+    viewer.getCamera()->setEventCallback(new CameraEventCallback());
+
     // set the scene to render
     viewer.setSceneData(rootnode);