diff --git a/Engine.h b/Engine.h
index 29d6b65..5cd061f 100644
--- a/Engine.h
+++ b/Engine.h
@@ -5,6 +5,7 @@
 #include <string>
 #include <lua.hpp>
 #include <map>
+#include <vector>
 #include <SDL.h>
 #include "OdeWorld/OdeWorld.h"
 #include "TextureCache/TextureCache.h"
@@ -17,8 +18,11 @@ class Engine
         class Object
         {
             public:
+                enum ObjectType { CUBE, SPHERE, PLANE, CYLINDER, CCYLINDER };
                 Object(bool is_static, OdeWorld & world, GLuint dl,
                         float scale = 1.0f);
+                Object(bool is_static, OdeWorld & world, ObjectType obj,
+                        const std::vector<float> & args);
                 Object(const Object & orig);
                 ~Object();