ENH: Implement getMasterGeometry

Returns master geometry, defined master in the
geometry maps of the objects. Physic geometry will
drive the changes to the colliding geometry, which
will drive the changes to the visual geometry

Base/SceneElements/Objects/imstkCollidingObject.cpp

@@ -36,6 +36,12 @@ CollidingObject::setCollidingGeometry(std::shared_ptr<Geometry> geometry)
     m_collidingGeometry = geometry;
 }
 
+std::shared_ptr<Geometry>
+CollidingObject::getMasterGeometry() const
+{
+    return m_collidingGeometry;
+}
+
 std::shared_ptr<GeometryMap>
 CollidingObject::getCollidingToVisualMap() const
 {

Base/SceneElements/Objects/imstkCollidingObject.h

@@ -54,6 +54,11 @@ public:
     std::shared_ptr<Geometry> getCollidingGeometry() const;
     void setCollidingGeometry(std::shared_ptr<Geometry> geometry);
 
+    ///
+    /// \brief Get the master geometry
+    ///
+    virtual std::shared_ptr<Geometry> getMasterGeometry() const;
+
     ///
     /// \brief
     ///

Base/SceneElements/Objects/imstkDynamicObject.cpp

@@ -36,6 +36,12 @@ DynamicObject::setPhysicsGeometry(std::shared_ptr<Geometry> geometry)
     m_physicsGeometry = geometry;
 }
 
+std::shared_ptr<Geometry>
+DynamicObject::getMasterGeometry() const
+{
+    return m_physicsGeometry;
+}
+
 std::shared_ptr<GeometryMap>
 DynamicObject::getPhysicsToCollidingMap() const
 {

Base/SceneElements/Objects/imstkDynamicObject.h

@@ -48,6 +48,11 @@ public:
     std::shared_ptr<Geometry> getPhysicsGeometry() const;
     void setPhysicsGeometry(std::shared_ptr<Geometry> geometry);
 
+    ///
+    /// \brief Get the master geometry
+    ///
+    virtual std::shared_ptr<Geometry> getMasterGeometry() const;
+
     ///
     /// \brief Set/Get the Physics-to-Collision map
     ///

Base/SceneElements/Objects/imstkSceneObject.cpp

@@ -36,6 +36,12 @@ SceneObject::setVisualGeometry(std::shared_ptr<Geometry> geometry)
     m_visualGeometry = geometry;
 }
 
+std::shared_ptr<Geometry>
+SceneObject::getMasterGeometry() const
+{
+    return m_visualGeometry;
+}
+
 const SceneObject::Type&
 SceneObject::getType() const
 {

Base/SceneElements/Objects/imstkSceneObject.h

@@ -82,6 +82,11 @@ public:
     std::shared_ptr<Geometry> getVisualGeometry() const;
     void setVisualGeometry(std::shared_ptr<Geometry> geometry);
 
+    ///
+    /// \brief Get the master geometry
+    ///
+    virtual std::shared_ptr<Geometry> getMasterGeometry() const;
+
     ///
     /// \brief Set/Get the geometry used for collisions
     ///