diff --git a/Engine.cc b/Engine.cc
index 29a9e2b..59f7482 100644
--- a/Engine.cc
+++ b/Engine.cc
@@ -678,8 +678,8 @@ void Engine::Object::createManagedObject()
 {
     switch (m_geom_type)
     {
-        case OdeWorld::CUBE:
-            m_ode_object->addCube(m_args);
+        case OdeWorld::BOX:
+            m_ode_object->addBox(m_args);
             break;
         case OdeWorld::SPHERE:
             m_ode_object->addSphere(m_args);
@@ -704,7 +704,7 @@ void Engine::Object::render()
     bool valid = false;
     switch (m_geom_type)
     {
-        case OdeWorld::CUBE:
+        case OdeWorld::BOX:
             if (m_args->size() >= 3)    valid = true;
             break;
         case OdeWorld::SPHERE:
@@ -730,7 +730,7 @@ void Engine::Object::render()
     GLUquadric * quad = gluNewQuadric();
     switch (m_geom_type)
     {
-        case OdeWorld::CUBE: {
+        case OdeWorld::BOX: {
                 struct { float norm[3]; float verts[4][3]; } sides[] = {
                     { {1, 0, 0},        /* right */
                         {{1, -1, -1}, {1, 1, -1}, {1, 1, 1}, {1, -1, 1}} },
@@ -880,7 +880,7 @@ void Engine::Object::loadPhy(const FileLoader::Path & path)
         }
         if      (type == "cube")
         {
-            m_ode_object->addCube(args);
+            m_ode_object->addBox(args);
         }
         else if (type == "sphere")
         {
diff --git a/ag.cc b/ag.cc
index 138c83c..faa1184 100644
--- a/ag.cc
+++ b/ag.cc
@@ -286,7 +286,7 @@ namespace ag
         return g_engine->clearEventHandler(L);
     }
 
-    static int addManagedObject(lua_State * L, bool is_static,
+    static void addManagedObject(lua_State * L, bool is_static,
             OdeWorld::GeomType geom_type, refptr< vector<float> > args)
     {
         int id = g_engine->addObject(is_static, geom_type, args);
@@ -302,9 +302,8 @@ namespace ag
                 lua_isnumber(L, 3))
         {
             refptr< vector<float> > args = new vector<float>();
-            args.push_back(lua_tonumber(L, 1));
-            args.push_back(lua_tonumber(L, 2));
-            args.push_back(lua_tonumber(L, 3));
+            for (int i = 1; i <= 3; i++)
+                args->push_back(lua_tonumber(L, i));
             addManagedObject(L, is_static, OdeWorld::BOX, args);
         }
         else
@@ -328,7 +327,7 @@ namespace ag
         if (argc == 1 && lua_isnumber(L, 1))
         {
             refptr< vector<float> > args = new vector<float>();
-            args.push_back(lua_tonumber(L, 1));
+            args->push_back(lua_tonumber(L, 1));
             addManagedObject(L, is_static, OdeWorld::SPHERE, args);
         }
         else
@@ -349,16 +348,18 @@ namespace ag
     static int createPlaneSpecify(lua_State * L, bool is_static)
     {
         int argc = lua_gettop(L);
-        if (argc == 3 &&
+        if (argc == 6 &&
                 lua_isnumber(L, 1) &&
                 lua_isnumber(L, 2) &&
-                lua_isnumber(L, 3))
+                lua_isnumber(L, 3) &&
+                lua_isnumber(L, 4) &&
+                lua_isnumber(L, 5) &&
+                lua_isnumber(L, 6))
         {
             refptr< vector<float> > args = new vector<float>();
-            args.push_back(lua_tonumber(L, 1));
-            args.push_back(lua_tonumber(L, 2));
-            args.push_back(lua_tonumber(L, 3));
-            addManagedObject(L, is_static, OdeWorld::BOX, args);
+            for (int i = 1; i <= 6; i++)
+                args->push_back(lua_tonumber(L, i));
+            addManagedObject(L, is_static, OdeWorld::PLANE, args);
         }
         else
             lua_pushnil(L);
@@ -378,16 +379,12 @@ namespace ag
     static int createCylinderSpecify(lua_State * L, bool is_static)
     {
         int argc = lua_gettop(L);
-        if (argc == 3 &&
-                lua_isnumber(L, 1) &&
-                lua_isnumber(L, 2) &&
-                lua_isnumber(L, 3))
+        if (argc == 2 && lua_isnumber(L, 1) && lua_isnumber(L, 2))
         {
             refptr< vector<float> > args = new vector<float>();
-            args.push_back(lua_tonumber(L, 1));
-            args.push_back(lua_tonumber(L, 2));
-            args.push_back(lua_tonumber(L, 3));
-            addManagedObject(L, is_static, OdeWorld::BOX, args);
+            args->push_back(lua_tonumber(L, 1));
+            args->push_back(lua_tonumber(L, 2));
+            addManagedObject(L, is_static, OdeWorld::CYLINDER, args);
         }
         else
             lua_pushnil(L);
@@ -406,6 +403,17 @@ namespace ag
 
     static int createCCylinderSpecify(lua_State * L, bool is_static)
     {
+        int argc = lua_gettop(L);
+        if (argc == 2 && lua_isnumber(L, 1) && lua_isnumber(L, 2))
+        {
+            refptr< vector<float> > args = new vector<float>();
+            args->push_back(lua_tonumber(L, 1));
+            args->push_back(lua_tonumber(L, 2));
+            addManagedObject(L, is_static, OdeWorld::CCYLINDER, args);
+        }
+        else
+            lua_pushnil(L);
+        return 1;
     }
 
     int createCCylinder(lua_State * L)