added ag::object::getMass() and ag::object::setMass()

git-svn-id: svn://anubis/misc/OdeWorld@213 bd8a9e45-a331-0410-811e-c64571078777

OdeWorld.cc

@@ -530,3 +530,13 @@ void OdeWorld::Object::finalize()
         dBodySetMass(m_body, &m_mass);
     }
 }
+
+void OdeWorld::Object::setMass(dReal newmass)
+{
+    if (m_body != 0)
+    {
+        dMassAdjust(&m_mass, newmass);
+        dBodySetMass(m_body, &m_mass);
+    }
+}
+

OdeWorld.h

@@ -40,6 +40,8 @@ class OdeWorld
                 void addTorque(dReal fx, dReal fy, dReal fz);
                 void addRelTorque(dReal fx, dReal fy, dReal fz);
                 void finalize();
+                dReal getMass() { return m_mass.mass; }
+                void setMass(dReal newmass);
 
             protected:
                 bool    m_is_static;