added refraction parameters to materials

git-svn-id: svn://anubis/fart/trunk@374 7f9b0f55-74a9-4bce-be96-3c2cd072584d

main/Scene-load.cc

@@ -313,6 +313,10 @@ refptr<Material> Scene::processMaterial(refptr<Node> node)
         {
             material->setReflectance((*it)->getNumber());
         }
+        else if ( typeid(**it) == typeid(RefractionNode) )
+        {
+            material->setRefraction((*it)->getNumber());
+        }
         else if ( typeid(**it) == typeid(ShininessNode) )
         {
             material->setShininess((*it)->getNumber());