[]写消消乐游戏, 如何在tiledMap格子中添加精灵?

 
// TiledMap 5X5格子地图
this.tMap = new Laya.TiledMap();
var viewRect = new Laya.Rectangle(-50,-50,Laya.Browser.width,Laya.Browser.height);
this.tMap.createMap("res/map/map.json",viewRect);
// 精灵
var sp = new Laya.Sprite();
sp.graphics.drawRect(0, 0, 100, 100, "#FF0000", "#0000FF", 1)
sp.zOrder = 1000;
 
 
请问这里如何把精灵添加到地图中?看文档没看明白啊, 其他回答仿写都无效果.