egret如何点击图片切换图片

Question

private onAddToStage(event:egret.Event) {    RES.addEventListener(RES.ResourceEvent.GROUP_COMPLETE, this.onGroupComplete, this);    RES.loadConfig("resource/default.res.json", "resource/");    RES.loadGroup("preload");}private onGroupComplete(){      //this.drawText();    var img:egret.Bitmap = new egret.Bitmap();    img.texture = RES.getRes("egret_icon_png");    this.addChild(img);     img.touchEnabled = true;    //注册事件    img.addEventListener( egret.TouchEvent.TOUCH_TAP, this.onTouch, this );}

Answer 1

修改 img 本身的 texture

private onGroupComplete() {

    ...

    img.addEventListener( egret.TouchEvent.TOUCH_TAP, this.onTouch, img);

}

private onTouch() {

    this.texture = RES.getRes("你想要的texture");

}

Answer 2

如果是切换过渡效果的话试试研究它的tween模块