gistfile1.html

  var point_list = L.Polyline.fromEncoded(_encoded).addTo(map);

  route_lines = [L.polyline(point_list)],
  markers = [];

  $.each(route_lines, function(i, route_line) {
    var animated_marker = L.animatedMarker(route_line.getLatLngs(), {
      icon: walk_icon,
      distance: 50,
      interval: 5000,
      autoStart: false,
  });

  function pan_map(){
    map.panTo({ lat: animated_marker['_latlng'].lat, lon: animated_marker['_latlng'].lng });
  }

  pan_map();

  var f_interval = setInterval(function() {
    if (_flag == 1) {
      animated_marker.stop();
      clearInterval(f_interval);
    }

    pan_map();
  }, 1000);