LuaInterface.LuaStatic.GetUnpackRayRef C# (CSharp) Method

        public static void GetUnpackRayRef(IntPtr L)
        {
            LuaState state = LuaState.Get(L);
            LuaDLL.lua_getref(L, state.UnpackRay);
        }

        public static Ray ToRay(IntPtr L, int stackPos)
        {
            int num = LuaDLL.lua_gettop(L);

            LuaStatic.GetUnpackRayRef(L);
            LuaDLL.lua_pushvalue(L, stackPos);
            if (LuaDLL.lua_pcall(L, 1, 2, 0) == 0)
            {
                Vector3 vector  = ToLua.ToVector3(L, num + 1);
                Vector3 vector2 = ToLua.ToVector3(L, num + 2);
                return(new Ray(vector, vector2));
            }
            string msg = LuaDLL.lua_tostring(L, -1);

            throw new LuaException(msg, null, 1);
        }