diff --git a/src/scene/include/pw/scene/component.hpp b/src/scene/include/pw/scene/component.hpp
index de091cd..a4592d9 100644
--- a/src/scene/include/pw/scene/component.hpp
+++ b/src/scene/include/pw/scene/component.hpp
@@ -30,8 +30,6 @@ public:
 protected:
 
     node* _node;
-
-    std::string _name;
 };
 
 }
diff --git a/src/scene/include/pw/scene/transform.hpp b/src/scene/include/pw/scene/transform.hpp
index 138f9f7..ac75209 100644
--- a/src/scene/include/pw/scene/transform.hpp
+++ b/src/scene/include/pw/scene/transform.hpp
@@ -8,15 +8,22 @@ namespace pw {
 
 class transform : public component {
 public:
+
     using component::component;
 
     const matrix44d& local() const;
     void set_local(const matrix44d &local);
 
+    void set_global(const matrix44d &global);
+
+    void update();
+
 protected:
 
     matrix44d _local;
+
     matrix44d _global;
+    matrix44d _global_inverse;
 
     std::vector<ref> _path;
 
diff --git a/src/scene/src/transform.cpp b/src/scene/src/transform.cpp
index 5337751..4eb237d 100644
--- a/src/scene/src/transform.cpp
+++ b/src/scene/src/transform.cpp
@@ -13,4 +13,14 @@ void transform::set_local(const matrix44d &local)
     _local = local;
 }
 
+void transform::set_global(const matrix44d &global)
+{
+    _global = global; // need to set global inverse
+}
+
+
+void transform::update() {
+
+}
+
 }
diff --git a/src/scripting/include/pw/scripting/script.hpp b/src/scripting/include/pw/scripting/script.hpp
index b1e9f94..609d5e5 100644
--- a/src/scripting/include/pw/scripting/script.hpp
+++ b/src/scripting/include/pw/scripting/script.hpp
@@ -1,7 +1,6 @@
 #ifndef PW_SCRIPTING_SCRIPT_HPP
 #define PW_SCRIPTING_SCRIPT_HPP
 
-
 #include <pw/core/globals.hpp>
 
 #include <string>
@@ -18,6 +17,7 @@ public:
 
     struct state {
         virtual int run(const std::string& script) = 0;
+        virtual ~state() = default;
     };
 
 protected:
diff --git a/src/scripting/src/script.cpp b/src/scripting/src/script.cpp
index e2c50bb..fc7fc20 100644
--- a/src/scripting/src/script.cpp
+++ b/src/scripting/src/script.cpp
@@ -62,7 +62,11 @@ void lua_state::load_modules() {
                                          "x", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::x), &quaterniond::set_x),
                                          "y", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::y), &quaterniond::set_y),
                                          "z", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::z), &quaterniond::set_z),
-                                         "w", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::w), &quaterniond::set_w)
+                                         "w", scripting::property(scripting::resolve<const Scalar&() const>(&quaterniond::w), &quaterniond::set_w),
+                                         "dot",&quaterniond::dot,
+                                         "inverse",&quaterniond::inverse,
+                                         "normalized",&quaterniond::normalized,
+                                         "lerp",&quaterniond::lerp
                                          //                                      "v",&vector3d::values,
                                          //                                      "clone",&vector3d::clone
                                          );
diff --git a/src/scripts/demos/simple_000.lua b/src/scripts/demos/simple_000.lua
index 999d9c5..d5a072f 100644
--- a/src/scripts/demos/simple_000.lua
+++ b/src/scripts/demos/simple_000.lua
@@ -6,27 +6,35 @@ print("hello pixwerx!")
 local v = pw.vector3.new()
 v:set(0,1,2)
 
--- objects need to be cloned
-local v2 = v:clone()
-
--- manipulate stuff
-v.x = 0.2
-v.y = pw.pi
+print("v",v.x,v.y,v.z)
 
 
-print("v : ", v:v())
-print("v2: ", v2:v())
+---- objects need to be cloned
+----local v2 = v:clone()
+--local v2 = v
+
+---- manipulate stuff
+--v.x = 0.2
+--v.y = pw.pi
+
+
+--print("v : ", v:v())
+--print("v2: ", v2:v())
 
 local q = pw.quaternion.new()
-
 print("q",q.x,q.y,q.z,q.w)
+qi = q:inverse()
+print("q.inverse",qi.x,qi.y,qi.z,qi.w)
 
-local aa = pw.axisangle.new()
+qm = pw.quaternion.lerp(q,qi)
+print("q.m",qm.x,qm.y,qm.z,qm.w)
 
--- assign vector to axis
-aa.axis = v
+--local aa = pw.axisangle.new()
 
-print("aa",aa.axis.x)
+---- assign vector to axis
+----aa.axis = v
+
+--print("aa",aa.axis.x)
 
 --local scene = pw:scene.new()