// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class NewClass extends cc.Component {

    //建立倒數的變數：num
    num = 10;
    //建立目前文字label組件變數：label01
    label01 = null;


    onLoad () {
        //取得目前節點node裡面的組件component(Label)
        this.label01 =this.node.getComponent(cc.Label);
        //開啟計時器
        this.schedule(this.timer, 1);        
    }

    //時間到了就會執行timer()函數，時間到了，就不斷重複執行
    timer()
    {
        //每次數字num減一
        this.num -=1;

        //如果num小於0，就停止計時器
        if(this.num <=0)
        {
            this.unschedule(this.timer);
        }

        //在組件label的屬性string顯示最新數字
        this.label01.string = this.num;


    }

    // start () {

    // }

    // update (dt) {}
}