Laya_TS 通过按钮点击使人物移动

/**
* name 
*/
module game{
	
	export class btnMove extends Laya.Button{
		private speed:number = 5;
		constructor(){
			super();
			Laya.init(0,860,WebGL);
			console.log("this = " + typeof(this.name));
			this.on(Laya.Event.MOUSE_DOWN,this,this.onClick);
			
		}
		private onClick():void{
			let hero:Laya.Image; //= this.parent.getChildByName("hero1") as Laya.Image;
			//需要强装类型
			hero = this.parent.getChildByName("hero1") as Laya.Image;
		 	if (this.name == "btnforMoveRight") {
				  console.log("btn = " + this.name);	
				  hero.x += this.speed;		
				   hero.scaleX = 1;	
			 }
			 else if (this.name == "btnforMoveLeft") {
				 console.log("btn = " + this.name);
				 hero.x -= this.speed;
				 hero.scaleX = -1;
			 }
		 }
	}
}