sweet/assets/scriptes/util.js

let Promise = require('ZPromise');

var util = {
    timeSeed:0,
    netTimeSeed:[],

    setTimeSeed:function(time)
    {
        this.timeSeed = time;
    },
    rnd:function( seed ){
        seed = ( seed * 9301 + 49297 ) % 233280; //神奇数字
        this.timeSeed = seed;
        return seed / ( 233280.0 );
    },
    rand01(){
        return this.getRandom(10000)/10000
    },
    /**
     * 获取_min至_max之间的随机整数, 不包括_max
     * */
    getRandom:function(_max,_min)
    {
        _min = _min || 0;
        return Math.floor(this.rnd( this.timeSeed ) * (_max-_min))+_min;
    },

    resetNetTimeSeed:function()
    {
        this.netTimeSeed = [];
    },

    setNetTimeSeed:function(time)
    {

        for(let i = 0; i < 4; i++)
        {
            this.netTimeSeed.push(time+i);
        }

    },
    netRnd:function(seed,netIndex)
    {
        seed = ( seed * 9301 + 49297 ) % 233280; //神奇数字
        if(this.netTimeSeed.length!=4){
            if(CC_DEBUG)
                console.log(`setNetTimeSeed${this.netTimeSeed.length} netRand netIndex=${netIndex}`);
            return 0;
        }
        this.netTimeSeed[netIndex] = seed;
        return seed / ( 233280.0 );
    },
    fixNumber(_v)
    {
        let str = _v.toFixed(3);
        return parseFloat(str);
    },
    netRand01(netIndex)
    {
        return this.fixNumber(this.getNetRandom(netIndex,10000)/10000);
    },
    getNetRandom(netIndex,_max,_min)
    {
        _min = _min || 0;
        return Math.floor(this.netRnd( this.netTimeSeed[netIndex],netIndex ) * (_max-_min))+_min;
    },

    getCurTime()
    {
        return (new Date).getTime();
    },
    showTips(parent,str,delayTime)
    {
      if (cc.sys.platform === cc.sys.WECHAT_GAME) {
        wx.showToast({
            title: str,
            icon: 'none',
        });
      } else {
         if(!parent)
         {
             return;
         }
         if(!str || str == "")
         {
             return;
         }
         delayTime = 0 || delayTime;
         let node = new cc.Node();
         parent.addChild(node);
         node.zIndex = 150;
         node.color = new cc.Color(0,0,0);
         let lbl = node.addComponent(cc.Label);
         lbl.isSystemFontUsed = true;
         lbl.fontFamily = "Arial";
         lbl.fontSize = 40;
         lbl.lineHeight = 50;
         lbl.string = str;
         node.x = 0;
         node.y = 0;
         let act = cc.spawn(cc.moveBy(3 ,cc.v2(0,200)),cc.fadeOut(3));
         if(delayTime > 0)
         {
             node.opacity = 1;
             node.runAction(cc.sequence(cc.delayTime(delayTime),cc.fadeIn(0.1),act));
         }
         else
         {
             node.runAction(act);
         }
      }
    },
    playSwapAnim(nd, angle, persec){
        if(nd){
            if(!nd.orginrotation){
                nd.orginrotation = nd.rotation;
            }
            var rt = nd.orginrotation;
            nd.rotation = rt;
            nd.active = true;
            var seq = cc.repeatForever(cc.sequence(cc.rotateTo(persec, angle),
                cc.rotateTo(persec, 0), cc.rotateTo(persec, -angle), cc.rotateTo(persec, 0)));
            nd.runAction(seq);
        }
    },
    stopSwapAnim(nd){
        if(nd){
            nd.stopAllActions();
            if(typeof(nd.orginrotation) == 'number'){
                nd.rotation = nd.orginrotation;
            }else{
                nd.rotation = 0;
            }
        }
    },

    isIphoneX: function () {
        var size = cc.view.getFrameSize();
        var isIphoneX = (size.width / size.height == 812 / 375) ||
          (size.height / size.width == 812 / 375) ||
          (size.height / size.width == 2688 / 1242) ||
          (size.width / size.height == 2688 / 1242);
        // var isIphoneX = (size.width == 2436 && size.height == 1125) ||
        //     (size.width == 1125 && size.height == 2436) ||
        //     (size.width == 1624 && size.height == 750) ||
        //     (size.width == 750 && size.height == 1624) ||
        //     (size.width == 812 && size.height == 375) ||
        //     (size.width == 375 && size.height == 812);
        return isIphoneX;
    },
    // 获取当前时间到0点的秒数
    getSeconds: function () {
        return Math.floor((new Date().getTime()/1000 + 8*60*60) % (24*60*60));
    },

    getRandomArrayElements: function (arr, count) {
        let shuffled = arr.slice(0), i = arr.length, min = i - count, temp, index;
        while (i-- > min) {
            index = Math.floor((i + 1) * Math.random());
            temp = shuffled[index];
            shuffled[index] = shuffled[i];
            shuffled[i] = temp;
        }
        return shuffled.slice(min);
    },
    /**
     * 显示插屏广告
     * @param {object} target
     * */
    checkInsertAd(target) {
        console.log(`check insert ad with mode: ${target.mode}`);
        let adIds = cc.gg.basecfg.wxInsertAdId ? cc.gg.basecfg.wxInsertAdId.split('|') : [];
        let insertCfg;
        if (cc.gg.basecfg.insert_ad_cfg) {
            try {
                let allCfg = JSON.parse(cc.gg.basecfg.insert_ad_cfg)
                insertCfg = allCfg.find(element => {
                    return element.id === parseInt(target.mode);
                });

            } catch (err) {
            }
        }
        if (!insertCfg) {
            return false;
        }
        if (insertCfg.enabled && adIds.length > 0 && !cc.jc._offinsert) {
            let sec = insertCfg.autoShowSeconds || 0;
            target.scheduleOnce(function () {
                let n = Math.floor(Math.random() * adIds.length);
                cc.jc.ADInsert_Show(adIds[n], '', null, null);
            }, sec);
        }
    },
   // 延迟几秒
   delay(time, obj) {
    return new Promise((resolve, reject) => {
      try {
        setTimeout(function(){
          resolve(obj);
        }, time * 1000);
      } catch (err) {
        reject(err);
      }
    })
  },
};

module.exports = util;