GisEyeMoveFlowLightMaterialProperty

Example:

let lon = 104;
  let lat = 30;
  viewer.entities.add({
    polyline: {
      positions: Cesium.Cartesian3.fromDegreesArrayHeights([
        lon - 0.2 + 0.6, lat, 0.0,
        lon + 0.2 + 0.6, lat, 0.0,
      ]),
      width: 20.0,
      material: new GisEye.GisEyeMoveFlowLightMaterialProperty({
        color: new Cesium.Color(0.0, 1.0, 0.0, 1.0),
        rate: 1,
        repeatNum: 1
      })
    }
  });