yichael_diglett/assets/script/Countdown.js

// Learn cc.Class:
//  - [Chinese] http://docs.cocos.com/creator/manual/zh/scripting/class.html
//  - [English] http://www.cocos2d-x.org/docs/creator/en/scripting/class.html
// Learn Attribute:
//  - [Chinese] http://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
//  - [English] http://www.cocos2d-x.org/docs/creator/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - [Chinese] http://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
//  - [English] http://www.cocos2d-x.org/docs/creator/en/scripting/life-cycle-callbacks.html

cc.Class({
    extends: cc.Component,

    properties: {
        // foo: {
        //     // ATTRIBUTES:
        //     default: null,        // The default value will be used only when the component attaching
        //                           // to a node for the first time
        //     type: cc.SpriteFrame, // optional, default is typeof default
        //     serializable: true,   // optional, default is true
        // },
        // bar: {
        //     get () {
        //         return this._bar;
        //     },
        //     set (value) {
        //         this._bar = value;
        //     }
        // },
    },

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        this.timeMax = 50;
        // this._init();
        timer = this;
    },
    //设置时间 并且开始
    setTimeInit(timeMax){
        this.timeMax = timeMax;
        this._init();
    },

    //增加 或者减少
    setTime(time){
        this.timer += time;
    },

    //开始倒计时 使用 timeMax 作为 倒计时的时间
    _init(){
        this.tag = false;
        this.timer = this.timeMax;
        this.t = 1;
        let self = this;
        this.slider = UtilsNode.getNode("Slider",this.node)
        this.time = UtilsNode.getNode("time",this.node)

        this.Alarmclock = UtilsNode.getNode("Alarmclock",this.time)
        this.t = UtilsNode.getNode("t",this.Alarmclock)

        this.mySlider = this.slider.getComponent("mySlider")


        this.timec = this.time.getComponent("time");
        this.mySlider.setCallBack(function (event) {
            var slider = event;
            //     //do whatever you want with the slider
            //
            console.log("Slider3的回调函数",slider.progress);
            self.timec.setProgressBar(slider.progress);
        });

        this.sliderc =this.slider.getComponent(cc.Slider);
    },


    setTimeEndCallBack(timeEndCallBack){
        this.timeEndCallBack = timeEndCallBack;
    },
    timeEndCallBack(){},
    setTimeUpdateCallBack(timeUpdateCallBack){
        this.timeUpdateCallBack = timeUpdateCallBack;
    },
    timeUpdateCallBack(){},

    update (dt) {
        if (this.timer > 0) {
            this.timer-=dt;

            let tt = this.timer/this.timeMax;
            //设置倒计时的进度条
            this.timec.setProgressBar(tt);
            if (Math.floor(parseInt(this.timer)) < 10) {
                this.t.color = new cc.color(255,0,0,255)
            }
            this.t.getComponent(cc.Label).string = Math.floor(parseInt(this.timer))+"";
            if (this.timeUpdateCallBack!=null) {
                this.timeUpdateCallBack(this.timer);
            }
        }else{
            if (this.timec) {
                this.timec.setProgressBar(0);
            }

                if (this.timeEndCallBack != null) {
                    this.timeEndCallBack();
                }

        }
    },
});