Cesium add light sweep

var viewer=ysc.createNormalCesium("cesiumContainer",{
    globalImagery:" Sky map "// Sky map image 
});

var data={
     circle:[0.003,117,35,30]//  The first parameter  0.003 It's radius , The second and third respectively represent the coordinates of the base center , The fourth represents how many points are cut . How many faces are formed . The more you get, the more you get stuck   Try not to affect the effect of the actual project , The less, the better. .
    ,observer:[117.01,35.01,500]// Observation points , That is, the light source 
    ,positionList:[ // We won't increase the height here . Otherwise it would be too much trouble  // Take the center of the circle as the reference to obtain the offset value , The coordinates of the center of the circle  [117,35], Simply dot and draw a square   If you draw a round picture , You can also get more 
        [117,35],// initial position 
        [117.01,35], // The next point 
        [117.01,35.01],
        [117,35.01],
        [117,35],// Come back 
    ]
    ,material:Cesium.Color.RED.withAlpha(0.5)// The material of light 
    ,number:100// The smaller the number, the faster 
};
var entityCList= ysc.createLightScan(viewer,data); // Returns an array of all faces   If you need to clear the painting , Clear through this 

// eliminate 
// for(var i=0;i< entityCList.length;i++){
//     viewer.entities.remove(entityCList[i]);
// }

//****  Here are the extra   Yes, but not ***//
// Cube column   Indicates the platform 
viewer.entities.add({
    position : Cesium.Cartesian3.fromDegrees(data.observer[0],data.observer[1],data.observer[2]/2),
    name:"",
    box : {
        dimensions : new Cesium.Cartesian3(100.0, 100.0,data.observer[2]),
        outline : true,
        outlineColor : Cesium.Color.WHITE,
        outlineWidth : 2,
        material : Cesium.Color.fromRandom({alpha : 0.5})
    }
});
// A blue ray 
var glowingLine = viewer.entities.add({
    name : 'Glowing blue line on the surface',
    polyline : {
        positions : Cesium.Cartesian3.fromDegreesArray(
            [
                data.positionList[0][0],data.positionList[0][1],
                data.positionList[1][0],data.positionList[1][1],
                data.positionList[2][0],data.positionList[2][1],
                data.positionList[3][0],data.positionList[3][1],
                data.positionList[4][0],data.positionList[4][1],
            ]),
        width : 10,
        material : new Cesium.PolylineGlowMaterialProperty({ // Luminous line 
            glowPower : 0.2,
            color : Cesium.Color.BLUE
        })
    }
});
viewer.zoomTo(viewer.entities)

Yue Yan Shao Falcon