var test_1 = create_button("Start");
    test_1.onclick = "Start";
    controls_container.appendChild(test_1);
	test_1.className = "btn 1";
	test_1.addEventListener("click", function(e) {
	
		var cam_obj = m_scenes.get_active_camera();

        var final_cam_pos_obj = m_scenes.get_object_by_name("cam_2");
        var final_target_obj = m_scenes.get_object_by_name("tar_2");

        rotate_final_cam_pos_object_to_final_target(final_cam_pos_obj, final_target_obj);

        m_cam.static_setup(cam_obj);

        var set_target_mode = function() {
            var target = m_trans.get_translation(final_target_obj, _vec3_tmp2);
            m_cam.target_setup(cam_obj, {pivot : target});
        }

        m_cam_anim.move_camera_to_point(cam_obj, final_cam_pos_obj, 5.0, 50, set_target_mode);
		m_logic_n.run_entrypoint("Scene", "scene1");
    }, false);