diff --git a/panda/src/bullet/bulletRigidBodyNode.cxx b/panda/src/bullet/bulletRigidBodyNode.cxx
index 49e815831f..6f46478f09 100644
--- a/panda/src/bullet/bulletRigidBodyNode.cxx
+++ b/panda/src/bullet/bulletRigidBodyNode.cxx
@@ -416,3 +416,25 @@ get_gravity() const {
   return btVector3_to_LVector3f(_body->getGravity());
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: BulletRigidBodyNode::set_linear_factor
+//       Access: Published
+//  Description:
+////////////////////////////////////////////////////////////////////
+void BulletRigidBodyNode::
+set_linear_factor(const LVector3f &factor) {
+
+  _body->setLinearFactor(LVecBase3f_to_btVector3(factor));
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: BulletRigidBodyNode::set_angular_factor
+//       Access: Published
+//  Description:
+////////////////////////////////////////////////////////////////////
+void BulletRigidBodyNode::
+set_angular_factor(const LVector3f &factor) {
+
+  _body->setAngularFactor(LVecBase3f_to_btVector3(factor));
+}
+
diff --git a/panda/src/bullet/bulletRigidBodyNode.h b/panda/src/bullet/bulletRigidBodyNode.h
index 91ea7d0106..4375035eeb 100644
--- a/panda/src/bullet/bulletRigidBodyNode.h
+++ b/panda/src/bullet/bulletRigidBodyNode.h
@@ -73,6 +73,10 @@ PUBLISHED:
   void set_gravity(const LVector3f &gravity);
   LVector3f get_gravity() const;
 
+  // Restrict movement
+  void set_linear_factor(const LVector3f &factor);
+  void set_angular_factor(const LVector3f &factor);
+
 public:
   virtual btCollisionObject *get_object() const;