5 lines
1.9 KiB
JavaScript
5 lines
1.9 KiB
JavaScript
'use strict';var Stats=function(){function f(a,e,b){a=document.createElement(a);a.id=e;a.style.cssText=b;return a}function l(a,e,b){var d=f("div",a,"padding:0 0 3px 3px;text-align:left;background:"+b),c=f("div",a+"Text","font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px;color:"+e);c.innerHTML=a.toUpperCase();d.appendChild(c);a=f("div",a+"Graph","width:74px;height:30px;background:"+e);d.appendChild(a);for(e=0;74>e;e++)a.appendChild(f("span","","width:1px;height:30px;float:left;opacity:0.9;background:"+
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b));return d}function m(a){for(var b=d.children,c=0;c<b.length;c++)b[c].style.display=c===a?"block":"none";n=a}function p(a,b){a.appendChild(a.firstChild).style.height=Math.min(30,30-30*b)+"px"}var q=self.performance&&self.performance.now?self.performance.now.bind(performance):Date.now,k=q(),r=k,t=0,n=0,d=f("div","stats","width:80px;opacity:0.9;cursor:pointer");d.addEventListener("mousedown",function(a){a.preventDefault();m(++n%d.children.length)},!1);var c=0,u=Infinity,v=0,b=l("fps","#0ff","#002"),
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A=b.children[0],B=b.children[1];d.appendChild(b);var g=0,w=Infinity,x=0,b=l("ms","#0f0","#020"),C=b.children[0],D=b.children[1];d.appendChild(b);if(self.performance&&self.performance.memory){var h=0,y=Infinity,z=0,b=l("mb","#f08","#201"),E=b.children[0],F=b.children[1];d.appendChild(b)}m(n);return{REVISION:14,domElement:d,setMode:m,getFps:function(){return c},begin:function(){k=q()},end:function(){var a=q();g=a-k;w=Math.min(w,g);x=Math.max(x,g);C.textContent=(g|0)+" MS ("+(w|0)+"-"+(x|0)+")";p(D,
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g/200);t++;if(a>r+1E3&&(c=Math.round(1E3*t/(a-r)),u=Math.min(u,c),v=Math.max(v,c),A.textContent=c+" FPS ("+u+"-"+v+")",p(B,c/100),r=a,t=0,void 0!==h)){var b=performance.memory.usedJSHeapSize,d=performance.memory.jsHeapSizeLimit;h=Math.round(9.54E-7*b);y=Math.min(y,h);z=Math.max(z,h);E.textContent=h+" MB ("+y+"-"+z+")";p(F,b/d)}return a},update:function(){k=this.end()}}};"object"===typeof module&&(module.exports=Stats);
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