Restructed the osgPresentation and present3D directories back to the structure that was present in OSG-3.2

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14759 16af8721-9629-0410-8352-f15c8da7e697
2015-03-04 18:36:44 +00:00
parent 26d1679248
commit 8c8b8f3305
37 changed files with 127 additions and 130 deletions
--- a/applications/present3D/PointsEventHandler.cpp
+++ b/applications/present3D/PointsEventHandler.cpp
@@ -0,0 +1,96 @@
+/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
+ *
+ * This software is open source and may be redistributed and/or modified under
+ * the terms of the GNU General Public License (GPL) version 2.0.
+ * The full license is in LICENSE.txt file included with this distribution,.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * include LICENSE.txt for more details.
+*/
+
+#include "PointsEventHandler.h"
+
+#include <osg/Notify>
+
+PointsEventHandler::PointsEventHandler()
+{
+    _point = new osg::Point;
+    //_point->setDistanceAttenuation(osg::Vec3(0.0,0.0000,0.05f));
+}
+
+bool PointsEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&)
+{
+    switch(ea.getEventType())
+    {
+        case(osgGA::GUIEventAdapter::KEYDOWN):
+        {
+            if (ea.getKey()=='+' || ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Add)
+            {
+               changePointSize(1.0f);
+               return true;
+            }
+            else if (ea.getKey()=='-' || ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Subtract)
+            {
+               changePointSize(-1.0f);
+               return true;
+            }
+            else if (ea.getKey()=='<')
+            {
+               changePointAttenuation(1.1f);
+               return true;
+            }
+            else if (ea.getKey()=='>')
+            {
+               changePointAttenuation(1.0f/1.1f);
+               return true;
+            }
+            break;
+        }
+        default:
+            break;
+    }
+    return false;
+}
+
+void PointsEventHandler::getUsage(osg::ApplicationUsage& usage) const
+{
+    usage.addKeyboardMouseBinding("+","Increase point size");
+    usage.addKeyboardMouseBinding("-","Reduce point size");
+    usage.addKeyboardMouseBinding(">","Increase point size");
+    usage.addKeyboardMouseBinding("<","Reduce point size");
+}
+
+float PointsEventHandler::getPointSize() const
+{
+    return _point->getSize();
+}
+
+void PointsEventHandler::setPointSize(float psize)
+{
+    if (psize>0.0)
+    {
+        _point->setSize(psize);
+        _stateset->setAttribute(_point.get());
+    }
+    else
+    {
+        _stateset->setAttribute(_point.get(),osg::StateAttribute::INHERIT);
+    }
+    osg::notify(osg::INFO)<<"Point size "<<psize<<std::endl;
+}
+
+void PointsEventHandler::changePointSize(float delta)
+{
+    setPointSize(getPointSize()+delta);
+}
+
+void PointsEventHandler::changePointAttenuation(float scale)
+{
+    if (_point.valid())
+    {
+        _point->setDistanceAttenuation(_point->getDistanceAttenuation()*scale);
+        if (_stateset.valid()) _stateset->setAttribute(_point.get());
+    }
+}