Index: code/branches/gui/src/orxonox/tools/BillboardSet.cc
===================================================================
--- code/branches/gui/src/orxonox/tools/BillboardSet.cc	(revision 1638)
+++ code/branches/gui/src/orxonox/tools/BillboardSet.cc	(revision 1653)
@@ -50,5 +50,5 @@
         std::ostringstream name;
         name << (BillboardSet::billboardSetCounter_s++);
-        this->billboardSet_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
+        this->billboardSet_ = GraphicsEngine::getInstance().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
         this->billboardSet_->createBillboard(Vector3::ZERO);
         this->billboardSet_->setMaterialName(file);
@@ -59,5 +59,5 @@
         std::ostringstream name;
         name << (BillboardSet::billboardSetCounter_s++);
-        this->billboardSet_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
+        this->billboardSet_ = GraphicsEngine::getInstance().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
         this->billboardSet_->createBillboard(Vector3::ZERO, colour);
         this->billboardSet_->setMaterialName(file);
@@ -68,5 +68,5 @@
         std::ostringstream name;
         name << (BillboardSet::billboardSetCounter_s++);
-        this->billboardSet_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
+        this->billboardSet_ = GraphicsEngine::getInstance().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
         this->billboardSet_->createBillboard(position);
         this->billboardSet_->setMaterialName(file);
@@ -77,5 +77,5 @@
         std::ostringstream name;
         name << (BillboardSet::billboardSetCounter_s++);
-        this->billboardSet_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
+        this->billboardSet_ = GraphicsEngine::getInstance().getLevelSceneManager()->createBillboardSet("Billboard" + name.str(), count);
         this->billboardSet_->createBillboard(position, colour);
         this->billboardSet_->setMaterialName(file);
@@ -85,5 +85,5 @@
     {
         if (this->billboardSet_)
-            GraphicsEngine::getSingleton().getLevelSceneManager()->destroyBillboardSet(this->billboardSet_);
+            GraphicsEngine::getInstance().getLevelSceneManager()->destroyBillboardSet(this->billboardSet_);
     }
 }
Index: code/branches/gui/src/orxonox/tools/Light.cc
===================================================================
--- code/branches/gui/src/orxonox/tools/Light.cc	(revision 1638)
+++ code/branches/gui/src/orxonox/tools/Light.cc	(revision 1653)
@@ -49,5 +49,5 @@
         std::ostringstream name;
         name << (Light::lightCounter_s++);
-        this->light_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createLight("Light" + name.str());
+        this->light_ = GraphicsEngine::getInstance().getLevelSceneManager()->createLight("Light" + name.str());
         this->light_->setType(type);
         this->light_->setDiffuseColour(diffuse);
@@ -58,5 +58,5 @@
     {
         if (this->light_)
-            GraphicsEngine::getSingleton().getLevelSceneManager()->destroyLight(this->light_);
+            GraphicsEngine::getInstance().getLevelSceneManager()->destroyLight(this->light_);
     }
 }
Index: code/branches/gui/src/orxonox/tools/Mesh.cc
===================================================================
--- code/branches/gui/src/orxonox/tools/Mesh.cc	(revision 1638)
+++ code/branches/gui/src/orxonox/tools/Mesh.cc	(revision 1653)
@@ -49,5 +49,5 @@
         std::ostringstream name;
         name << (Mesh::meshCounter_s++);
-        this->entity_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createEntity("Mesh" + name.str(), file);
+        this->entity_ = GraphicsEngine::getInstance().getLevelSceneManager()->createEntity("Mesh" + name.str(), file);
     }
 
@@ -55,5 +55,5 @@
     {
         if (this->entity_)
-            GraphicsEngine::getSingleton().getLevelSceneManager()->destroyEntity(this->entity_);
+            GraphicsEngine::getInstance().getLevelSceneManager()->destroyEntity(this->entity_);
     }
 }
Index: code/branches/gui/src/orxonox/tools/ParticleInterface.cc
===================================================================
--- code/branches/gui/src/orxonox/tools/ParticleInterface.cc	(revision 1638)
+++ code/branches/gui/src/orxonox/tools/ParticleInterface.cc	(revision 1653)
@@ -55,8 +55,8 @@
     this->bEnabled_ = true;
     this->detaillevel_ = (unsigned int)detaillevel;
-    this->particleSystem_ = GraphicsEngine::getSingleton().getLevelSceneManager()->createParticleSystem("particles" + getConvertedValue<unsigned int, std::string>(ParticleInterface::counter_s++), templateName);
+    this->particleSystem_ = GraphicsEngine::getInstance().getLevelSceneManager()->createParticleSystem("particles" + getConvertedValue<unsigned int, std::string>(ParticleInterface::counter_s++), templateName);
     this->particleSystem_->setSpeedFactor(Orxonox::getSingleton().getTimeFactor());
 
-    if (GraphicsEngine::getSingleton().getDetailLevelParticle() < (unsigned int)this->detaillevel_)
+    if (GraphicsEngine::getInstance().getDetailLevelParticle() < (unsigned int)this->detaillevel_)
     {
       this->bVisible_ = false;
@@ -72,5 +72,5 @@
   {
     this->particleSystem_->removeAllEmitters();
-    GraphicsEngine::getSingleton().getLevelSceneManager()->destroyParticleSystem(particleSystem_);
+    GraphicsEngine::getInstance().getLevelSceneManager()->destroyParticleSystem(particleSystem_);
   }
 
