L.Marker.MovingMarker.zt = L.Marker.MovingMarker.extend({

    initialize: function (latlngs, durations, options) {
        L.AngleMarker.prototype.initialize.call(this, latlngs[0], options);

        this._latlngs = latlngs.map(function (e, index) {
            return L.latLng(e);
        });

        if (durations instanceof Array) {
            this._durations = durations;
        } else {
            this._durations = this._createDurations(this._latlngs, durations);
        }

        this._currentDuration = 0;
        this._currentIndex = 0;

        this._state = L.Marker.MovingMarker.notStartedState;
        this._startTime = 0;
        this._startTimeStamp = 0;  // timestamp given by requestAnimFrame
        this._pauseStartTime = 0;
        this._animId = 0;
        this._animRequested = false;
        this._currentLine = [];
        this._stations = {};
        this._gjLayer = L.layerGroup().addTo(window.map);
        this.circleLayer = []
        this.isFollow = false
    },

    _loadLine: function (index) {
        this._currentIndex = index;
        this._currentDuration = this._durations[index];
        this._currentLine = this._latlngs.slice(index, index + 2);
        // this.setIcon(new L.AngleIcon({
        //     course: this.options.courses[index + 1],
        //     speed: this.options.speeds[index + 1],
        //     iconUrl: this.options.iconUrl
        //     , label: this.options.title
        //     , showTitle: this.options.showTitle
        //     , labelPosition: this.options.labelPosition
        // }));
        //处理过虚拟位置不打点
        // if (!(index in this.options.noRealtimeGjList)) {
        //     var title = formatDate(this.options.collectimes[index] * 1000);
        //     var circlePoint = L.circleMarker(this._latlngs[index], { zIndexOffset: 10, title: title, radius: 3, color: 'blue' }).addTo(this._gjLayer);
        //     this.circleLayer.push(circlePoint)
        //     circlePoint.attributes = this.options.gjData[index];
        //     circlePoint.bindPopup(this.options.markerPopup(circlePoint.attributes), { autoPan: false, closeButton: false, offset: L.point(130, 255) }); //autoPanPaddingBottomRight ,,{autoPan:false,closeButton:false,offset:L.point(120,185)}
        //     // var url =  _this._jsonUrl+"?format=json&layer="+_this.options.gjLayer+"&customsQuery="+encodeURIComponent("{\"must\":[{\"term\":{\"attributes._targetID\":\""+attr.attributes._targetID+"\"}},{\"range\":{\"attributes.collectime\":{\"lte\":"+endTime+",\"gt\":"+startTime+"}}}]}")+"&sort=collectime:asc";
        //     let _this = this;
        //     circlePoint.on('mouseover', function (ev) {
        //         if (_this.options.pupopOpenHander) {
        //             clearTimeout(_this.options.pupopOpenHander);
        //         }
        //         _this.options.pupopOpenHander = setTimeout(function () {
        //             ev.target.openPopup();
        //         }, 500);
        //         if (_this.options.markerDrawJ) {
        //             _this.options.layerGroup.removeLayer(_this.options.markerDrawJ)
        //         }
        //         _this.options.markerDrawJ = L.marker(ev.target.getLatLng(), { icon: new L.AngleIcon({ iconSize: new L.Point(32, 32) }) }).addTo(_this.options.layerGroup);
        //         _this.options.markerDrawJ.options.icon.drawJ();
        //     });

        //     if (this.options.gjTimeMarker && this.options.layerGroup) {
        //         if (this.options.gjTimeMarker[index]) {
        //             this.options.gjTimeMarker[index].addTo(this.options.layerGroup);
        //         }

        //     }

        // }
        //console.log(this._latlngs);
        //console.log(this._currentLine);
        //console.log(index);
        // console.log(this.options.courses[index+1]);
    }

});

L.Marker.movingMarker.zt = function (latlngs, duration, options) {
    return new L.Marker.MovingMarker.zt(latlngs, duration, options);
};