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 var cur_dir = new Float32Array(3);     
                var dir_to_dest =new Float32Array(3); 
                var cur_rot_q = new Float32Array(4);
                var new_rot_q =new Float32Array(4);
                
                var obj = m_scene.get_object_by_name("Player"); //объект А
                var objPos = m_trans.get_translation(obj);
                var destObj = m_scene.get_object_by_name("Target"); //объект Б
                var targetPos = m_trans.get_translation(destObj);

                m_trans.get_rotation(obj, cur_rot_q);
                m_vec3.transformQuat(m_util.AXIS_Z, cur_rot_q, cur_dir);
                m_vec3.subtract(objPos,targetPos, dir_to_dest);
                m_vec3.normalize(dir_to_dest, dir_to_dest);
                m_quat.rotationTo(cur_dir, dir_to_dest, new_rot_q);
                m_quat.multiply(new_rot_q, cur_rot_q, new_rot_q);
                var vec_dot = m_vec3.dot(cur_dir, dir_to_dest);
                vec_dot = vec_dot > 1? 1: vec_dot < -1? -1: vec_dot;
                var angle_to_turn = Math.acos(vec_dot);
                var angle_ratio   = Math.abs(angle_to_turn) / Math.PI;
                var slerp         = elapsed / angle_ratio * 1;//скорость разворота
                m_quat.slerp(cur_rot_q, new_rot_q, Math.min(slerp, 1), new_rot_q);
                m_trans.set_rotation_v(obj, new_rot_q);