play(id) {
      this.isplay = !this.isplay;
      if (!this.isplay) {
        //播放
        let para = {
          parentId: id,
        };
        this.axios({
          method: "post",
          url: "/fzgh/tdPathNavigation/list",
          params: para,
        }).then((res) => {
          var viewList = [];
          res.data.forEach((item) => {
            viewList.push({
              x: Number(item.x),
              y: Number(item.y),
              z: Number(item.z),
              speed: Number(item.speed),
              roll: Number(item.roll),
              pitch: Number(item.pitch),
              heading: Number(item.heading),
              distance: Number(item.distance),
            });
          });
          let arrivedStopNum = 0;
          window.flyManager.stopArrived.addEventListener((routeStop) => {
            routeStop.waitTime = 0.1; //修改站点的停留时间
            arrivedStopNum += 1;
            if (arrivedStopNum === viewList.length - 1) {
              this.playEnd();
            }
          });
          window.flyManager.readyPromise.then(() => {
            var route = window.flyManager.currentRoute;
            route.isLineVisible = false;
            route.isStopVisible = false;
            window.flyManager.currentIndex = 1; //飞行路线可以添加多个route,设置索引来加载不同的路线
            for (var k = 0; k < viewList.length; k++) {
              var position = Cesium.Cartesian3.fromDegrees(
                viewList[k].x,
                viewList[k].y,
                viewList[k].z
              );
              var routeStop = new Cesium.RouteStop({
                point: position,
                heading: viewList[k].heading,
                tilt: Cesium.Math.toRadians(viewList[k].pitch),
                stopName: "站" + k,
                speed: viewList[k].speed,
                waitTime: 1,
              });
              route.addStop(routeStop);
            }
            window.flyManager && window.flyManager.play();
          });
        });
      } else {
        window.flyManager && window.flyManager.pause();
      }
    },