[ADD #139] automatic sorting to point connector

src/modules/pointConnector/WFiberHandler.cpp

@@ -47,9 +47,41 @@ WFiberHandler::WFiberHandler( WMPointConnector* pointConnector )
     m_fiberCount = 1;
 }
 
+void WFiberHandler::sortVertices()
+{
+    if( m_fibers->empty() )
+    {
+        return;
+    }
+
+    for( auto fiber = m_fibers->begin(); fiber != m_fibers->end(); fiber++ )
+    {
+        if( fiber->empty() )
+        {
+            continue;
+        }
+
+        std::sort( fiber->begin(), fiber->end(), []( osg::Vec3 a, osg::Vec3 b )
+        {
+            if( a.z() != b.z() )
+            {
+                return a.z() < b.z();
+            }
+
+            if(a.x() != b.x() )
+            {
+                return a.x() < b.x();
+            }
+
+            return a.y() < b.y();
+        } );
+    }
+}
+
 void WFiberHandler::addVertexToFiber( osg::Vec3 vertex, size_t fiberIdx, bool silent )
 {
     m_fibers->at( fiberIdx ).push_back( vertex );
+    sortVertices();
 
     if( !silent )
     {

src/modules/pointConnector/WFiberHandler.h

@@ -165,6 +165,11 @@ public:
      */
     void selectLastPoint();
 
+    /**
+     * Sorts the vertices by their z value.
+     */
+    void sortVertices();
+
     /**
      * Checks if a fiber is hidden.
      * \param idx The index of the fiber to check.

src/modules/pointConnector/WMPointConnector.cpp

@@ -206,6 +206,8 @@ void WMPointConnector::handleInput()
     m_fiberHandler->setFiberCount( fibers->size() );
     m_fiberHandler->selectorUpdate( fibers->size() - 1 );
 
+    m_fiberHandler->sortVertices();
+
     updatePoints();
     updateOutput();
 }
@@ -271,10 +273,12 @@ void WMPointConnector::handleClick( osg::Vec3 cameraPosition, osg::Vec3 directio
             {
                 if( m_fiberHandler->getSelectedFiber() == fiberIdx )
                 {
-                    return;
+                    m_connectorData->selectPoint( hitIdx );
+                }
+                else {
+                    m_fiberHandler->selectFiber( fiberIdx );
+                    m_fiberHandler->selectorUpdate( fiberIdx );
                 }
-                m_fiberHandler->selectFiber( fiberIdx );
-                m_fiberHandler->selectorUpdate( fiberIdx );
             }
             else
             {