cocos 向左滚动公告

 

properties：｛

lblNotice:[cc.Node],

speed:1,

curtext:null

｝，

start ()｛

this.getNotice();

｝，

getNotice(){

cc.abc.HttpUtils.httpGet(cc.abc.Global.Reqeust.getNotice,(ret)=>{

if (ret && ret.returncode == "Y" && ret.data){

let data = ret.data.notices; //取集合第一条

cc.fj.Parameter.homeNotice = ret.data.notices;

if (data[0].content.indexOf('\n')){

data[0].content = data[0].content.replace(/[\n]/g, " ") + " ";

}

this.lblNotice[0].getComponent("MyLabel").string=data[0].content ;

this.lblNotice[1].getComponent("MyLabel").string=data[0].content ;

this.scheduleOnce(function() {

this.flag = true;

this.lblNotice[1].x = this.lblNotice[0].x+this.lblNotice[0].width+150;

}, 0.1);

this.curtext = this.lblNotice[0];

}

});

},

 

update (dt) {

let s = dt * this.speed + 2;

let width = this.lblNotice[0].width;

if(this.flag){

this.lblNotice[0].x -= s;

this.lblNotice[1].x -= s;

if (this.curtext.x <= -width) {

if(this.curtext == this.lblNotice[1]) {

this.lblNotice[1].x = this.lblNotice[0].x+this.lblNotice[0].width+150;

this.curtext = this.lblNotice[0];

}

else {

this.lblNotice[0].x = this.lblNotice[1].x+this.lblNotice[1].width+150;

 

this.curtext = this.lblNotice[1];

}

}

}

},