module game {

        /**

        *Created by 渔歌烟火 on 2018/3/28.

        * 字体缓动动画

        */

    export class LabelEffect {

        private static _instance:LabelEffect;

        public static get instance():LabelEffect

        {

            if( null == LabelEffect._instance )

            {

                LabelEffect._instance = new LabelEffect();

            }

            return LabelEffect._instance;

        }

        /**

         * @param target 显示对象

         * @param options 例如{ time: 1500,initNum:100,num: 88888, regulator: 50 }

         */

        public playEffect(target:any,options:any){

            options = options || {};

            if(options.initNum==options.num)return;

            var time = options.time,//总时间--毫秒为单位

                finalNum = options.num, //要显示的真实数值

                regulator = options.regulator || 100, //调速器，改变regulator的数值可以调节数字改变的速度

                step = (finalNum-options.initNum) / (time / regulator),/*每30ms增加的数值--*/

                count =  options.initNum, //计数器

                initial = options.initNum;

            var timer = setInterval(()=> {

            count = count + step;

            if(count >= finalNum&&options.initNum<finalNum) {

                    clearInterval(timer);

                    count = finalNum;

                    }

            if(count <= finalNum&&options.initNum>finalNum) {

                clearInterval(timer);

                count = finalNum;

                }

                //t未发生改变的话就直接返回

                var t = Math.floor(count);

                if(t == initial) return;

                initial = t;

                target.text = initial+"";

            }, 30);

        }

    }

}