cesium 水波纹扩散圆材质
var entity = new Cesium.Entity({position: Cesium.Cartesian3.fromDegrees(116,39,0),ellipse: {semiMinorAxis: 1000,semiMajorAxis: 1000,height: 10,material: new WaterDiffusionEntity({color: "#FF0000",duration: 3000,gradient: 0,count: 4,}),},});viewer.entities.add(entity);viewer.zoomTo(viewer.entities);
cesium 水波纹材质