zhengzhou_university/web/public/static/js/lib/stats.min.js

// stats.js - http://github.com/mrdoob/stats.js
var Stats = function() {
    function h(a) {
        c.appendChild(a.dom);
        return a
    }
    function k(a) {
        for (var d = 0; d < c.children.length; d++)
            c.children[d].style.display = d === a ? "block" : "none";
        l = a
    }
    var l = 0
      , c = document.createElement("div");
    c.style.cssText = "position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000";
    c.addEventListener("click", function(a) {
        a.preventDefault();
        k(++l % c.children.length)
    }, !1);
    var g = (performance || Date).now()
      , e = g
      , a = 0 
      , r = h(new Stats.Panel("FPS","#0ff","#002"))
      , f = h(new Stats.Panel("MS","#0f0","#020"));
      
    var info = {dur:0, aveFps:0},  pauseTime = 0, startIntervalTime = 0 ;
      
    if (self.performance && self.performance.memory)
        var t = h(new Stats.Panel("MB","#f08","#201"));
    k(0);
    return {
        REVISION: 16,
        dom: c, 
        addPanel: h,
        showPanel: k,
        intervalFun : null
        
        
        ,
        begin: function(blurEvent) {
           
            g = (performance || Date).now()
            
            this.blurEvent = blurEvent
            document.addEventListener('visibilitychange',this.blurEvent)
            
            
        },
        pause: function(){
            pauseTime = (performance || Date).now();
        },
        resume:function(){
            var delta =  (performance || Date).now() - pauseTime;
            e += delta
            startIntervalTime += delta
        },
        end: function() {
            /* a++;
            var c = (performance || Date).now();
            if(f.dom.clientWidth) f.update(c - g, 200);
            
            
            if (c > e + 1E3 && (r.dom.clientWidth && r.update(1E3 * a / (c - e), 100),
            e = c,
            a = 0,
            t && t.dom.clientWidth)) {
                var d = performance.memory;
                t.update(d.usedJSHeapSize / 1048576, d.jsHeapSizeLimit / 1048576)
            } 
            return 1E3 * a / (c - e)//c */
            
            a++; 
            var c = (performance || Date).now();
            var update = this.intervalFun &&  (c - startIntervalTime > 5000);
            if( c > e + 1E3){
                
                var v = 1E3 * a / (c - e)
                var {min,max} = r.update(v, 100)
                
                
                
                info = {min, max, fps:v, dur : info.dur + c - e,  aveFps:(info.aveFps * (info.dur / 1000 ) + v ) / ((info.dur + c - e) / 1000)}
               
                e = c
                a = 0
                
                if(update){
                    var a2 = this.intervalFun() 
                    startIntervalTime = c;
                    if(!a2){
                        this.intervalFun = null
                    }
                }

                return info
            
            }else{
                
            }  
            
        },
        update: function() {
            var a1 = this.end()
            
            if(this.intervalFun && startIntervalTime){
                
            }
            
            return a1
        },
        
        addInterval: function(f){
            startIntervalTime = (performance || Date).now();
            this.intervalFun = f; 
        }
        ,
        dispose:function(){
            
            document.removeEventListener('visibilitychange',this.blurEvent)

            
        }
        ,
        domElement: c,
        setMode: k
    }
};
Stats.Panel = function(h, k, l) {
    var c = Infinity
      , g = 0
      , e = Math.round
      , a = e(window.devicePixelRatio || 1)
      , r = 80 * a
      , f = 48 * a
      , t = 3 * a
      , u = 2 * a
      , d = 3 * a
      , m = 15 * a
      , n = 74 * a
      , p = 30 * a
      , q = document.createElement("canvas");
    q.width = r;
    q.height = f;
    q.style.cssText = "width:80px;height:48px";
    var b = q.getContext("2d");
    b.font = "bold " + 9 * a + "px Helvetica,Arial,sans-serif";
    b.textBaseline = "top";
    b.fillStyle = l;
    b.fillRect(0, 0, r, f);
    b.fillStyle = k;
    b.fillText(h, t, u);
    b.fillRect(d, m, n, p);
    b.fillStyle = l;
    b.globalAlpha = .9;
    b.fillRect(d, m, n, p);
    return {
        dom: q,
        update: function(f, v) {
            c = Math.min(c, f);
            g = Math.max(g, f);
            b.fillStyle = l;
            b.globalAlpha = 1;
            b.fillRect(0, 0, r, m);
            b.fillStyle = k;
            b.fillText(e(f) + " " + h + " (" + e(c) + "-" + e(g) + ")", t, u);
            b.drawImage(q, d + a, m, n - a, p, d, m, n - a, p);
            b.fillRect(d + n - a, m, a, p);
            b.fillStyle = l;
            b.globalAlpha = .9;
            b.fillRect(d + n - a, m, a, e((1 - f / v) * p))
            
            return {min:c, max:g}
        }
    }
}
;
"object" === typeof module && (module.exports = Stats);