--- trunk/src/primitives/RigidBody.cpp	2005/09/28 16:32:44	636
+++ trunk/src/primitives/RigidBody.cpp	2005/10/03 14:31:31	641
@@ -178,10 +178,7 @@ namespace oopse {
     //project the inertial moment of directional atoms into this rigid body
     for (std::size_t i = 0; i < atoms_.size(); i++) {
       if (atoms_[i]->isDirectional()) {
-	RectMatrix<double, 3, 3> Iproject = refOrients_[i].transpose() * atoms_[i]->getI();
-	Itmp(0, 0) += Iproject(0, 0);
-	Itmp(1, 1) += Iproject(1, 1);
-	Itmp(2, 2) += Iproject(2, 2);
+    	    Itmp += refOrients_[i].transpose() * atoms_[i]->getI() * refOrients_[i];
       }
     }