Changeset 329 for experimental/distortionNG

Timestamp:

Mar 3, 2012, 1:22:05 AM (13 years ago)

Author:

Torben Dannhauer

Message:

 

Location:

experimental/distortionNG

Files:

• distortionNG.cpp (modified) (4 diffs)
• distortionNG.h (modified) (2 diffs)
• extViewer.cpp (modified) (3 diffs)
• main.cpp (modified) (2 diffs)

experimental/distortionNG/distortionNG.cpp

@@ -27 +27 @@
         _highlighter->setUseDisplayList( false );
         _highlighter->setUseVertexBufferObjects( true );
-        _highlighter->setVertexArray( new osg::Vec3Array(1) );
+        _highlighter->setVertexArray( new osg::Vec3Array(1) );  // The highlighter vertex is updated by computeSelectedVertex(..)
         _highlighter->setColorArray( colors.get() );
         _highlighter->setColorBinding( osg::Geometry::BIND_OVERALL );
@@ -54 +54 @@
                         osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector = new osgUtil::LineSegmentIntersector(osgUtil::Intersector::WINDOW, ea.getX(), ea.getY());
                         osgUtil::IntersectionVisitor iv( intersector.get() );
-                        viewer->getCamera()->accept( iv );
+                        //viewer->getCamera()->accept( iv );
+                        _camera->accept( iv );
                 
                         if ( intersector->containsIntersections() )
@@ -93 +94 @@
         if ( !vertices || !selVertices )
                 return;
+        
+        OSG_NOTIFY(osg::ALWAYS)<<"size of vertices="<<vertices->size()<<std::endl;
+        OSG_NOTIFY(osg::ALWAYS)<<"size of selVertices="<<selVertices->size()<<std::endl;
 
         osg::Vec3 point = result.getWorldIntersectPoint();
         osg::Matrix matrix = osg::computeLocalToWorld( result.nodePath );       // To compute the intersection vertices in world coordinates not in model coordinates
-        //std::cout << "Intersection-indices: Size=" << result.indexList.size() << std::endl;
+        OSG_NOTIFY(osg::ALWAYS) << "Intersection-indices: Size=" << result.indexList.size() << std::endl;
         const std::vector<unsigned int>& selIndices = result.indexList;
         {
                 double maxRatio = 0.0;
                 int closestVertexIndex = 0;
-                for ( unsigned int i=0; i<3 && i<result.ratioList.size(); i++ ) //iterate through rations and search for max
+                for ( unsigned int i=0; i<3 && i<result.ratioList.size(); i++ ) //iterate through rations and search for maxRation=nearestVertex
                 {
                         if(result.ratioList[i] > maxRatio)
@@ -108 +112 @@
                                 closestVertexIndex = result.indexList[i];
                         }
+                        OSG_NOTIFY(osg::ALWAYS)<<"maxRatio="<<maxRatio<<std::endl;
+                        OSG_NOTIFY(osg::ALWAYS)<<"closestVertexIndex="<<closestVertexIndex<<std::endl;
                 }
+                OSG_NOTIFY(osg::ALWAYS)<<"nearest vertex: X="<<(*vertices)[closestVertexIndex].x()<<" Y="<<(*vertices)[closestVertexIndex].y()<<" Z="<<(*vertices)[closestVertexIndex].z()<<std::endl;
                 osg::Vec3 vertex = (*vertices)[closestVertexIndex] * matrix;
-                selVertices->front() = vertex;
+
+                selVertices->front() = vertex;          
+                OSG_NOTIFY(osg::ALWAYS)<<"selected vertice: X="<<vertex.x()<<" Y="<<vertex.y()<<" Z="<<vertex.z()<<std::endl;
         }
-
         selVertices->dirty();
         _highlighter->dirtyBound(); 

experimental/distortionNG/distortionNG.h

@@ -16 +16 @@
 
 public:
-        distortionHandler( osg::Camera* camera )
-    : _highlighter(0), _camera(camera), _highlightColor( osg::Vec4(1.0f, 1.0f, 0.0f, 1.0f) ) {}
+        distortionHandler( osg::Camera* camera, osg::Geometry* distortionMesh )
+    : _highlighter(0), _camera(camera), _distortionMesh(distortionMesh), _highlightColor( osg::Vec4(1.0f, 1.0f, 0.0f, 1.0f) ) {}
 
     void computeSelectedVertex( osgUtil::LineSegmentIntersector::Intersection& result );
@@ -27 +27 @@
         osg::ref_ptr<osg::Geometry> _highlighter;
     osg::observer_ptr<osg::Camera> _camera;
+        osg::Geometry* _distortionMesh;
         const osg::Vec4 _highlightColor;
 };

experimental/distortionNG/extViewer.cpp

@@ -1 +1 @@
 #include "extViewer.h"
-
+#include "distortionNG.h"
+
+#include <osg/PolygonOffset>
 #include<osg/Texture2D>
 #include<osg/TextureRectangle>
@@ -131 +133 @@
         osg::Geode* geode = new osg::Geode();
                 //geode->addDrawable(createParoramicSphericalDisplayDistortionMesh(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f), osg::Vec3(0.0f,height,0.0f), 1, 0.45, 0, projectorMatrix));
-                geode->addDrawable(createMesh(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f), osg::Vec3(0.0f,height,0.0f), 20, 20, projectorMatrix));
+                osg::Geometry* distortionMesh = createMesh(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f), osg::Vec3(0.0f,height,0.0f), 20, 20, projectorMatrix);
+                geode->addDrawable(distortionMesh);
 
         // new we need to add the texture to the mesh, we do so by creating a
@@ -165 +168 @@
 
         // add subgraph to render
-        camera->addChild(geode);
+        //camera->addChild(geode);
+
+                // selector
+                geode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
+                geode->getOrCreateStateSet()->setAttributeAndModes( new osg::PolygonOffset(1.0f, 1.0f) );
+                osg::ref_ptr<distortionHandler> selector = new distortionHandler( camera, distortionMesh );
+                osg::ref_ptr<osg::Group> root = new osg::Group;
+                root->addChild(geode);
+                root->addChild(selector->createVertexHighlighter());
+                addEventHandler( selector.get() );
+                camera->addChild(root);
+                // Avoid that the highlighter is culled away
+                osg::CullSettings::CullingMode mode = camera->getCullingMode();
+                camera->setCullingMode( mode & (~osg::CullSettings::SMALL_FEATURE_CULLING) );
+
 
         camera->setName("Dist Cam");

experimental/distortionNG/main.cpp

@@ -119 +119 @@
         //root->addChild( geode.get() );
         //root->addChild( selector->createVertexHighlighter() );
-
         //viewer.addEventHandler( selector.get() );
         //viewer.setSceneData( root.get() );
 
-        //// Avoid that the highlighter is culled away
+        // Avoid that the highlighter is culled away
         //osg::CullSettings::CullingMode mode = viewer.getCamera()->getCullingMode();
         //viewer.getCamera()->setCullingMode( mode & (~osg::CullSettings::SMALL_FEATURE_CULLING) );
@@ -130 +129 @@
         return viewer.run();
 }
+
+/*
+ToDo: 
+ * 
+ * distortionHandler::handle startet Intersections. Da jedoch das distortion Mesh keine Geometry der Scene mehr ist, gibt es keine Intersection
+ *  -> es muss die intersektion umgestellt werden, um das Distortion Mesh zu intersecten.
+ * Es muss geprüft werdne, ob bei dne Mausverschiebungen die texturecoordinaten verschoben, oder das Distortion Mesh verschoben wird.
+
+
+
+
+
+*/