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<!DOCTYPE html>
<html><head>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="../unit.css" />
<script type="application/x-javascript" src="../unit.js"></script>
<script type="application/x-javascript" src="../util.js"></script>
<script type="application/x-javascript">
Tests.autorun = false;
Tests.testInterval = function() {
document.getElementById('dtMax').textContent = "Running, please wait...";
setTimeout(function() {
var t0 = new Date().getTime();
var t = t0;
var dtMax = 0;
var frames = [];
var iv;
iv = setInterval(function() {
if (t > t0 + 10000) {
var hist = [];
var dtMed = 0, maxi = [0, 0];
for (var i=0; i<dtMax; i++) hist[i] = 0;
for (var i=0; i<frames.length; i++)
hist[frames[i]]++;
for (var i=0; i<hist.length; i++)
if (hist[i] > maxi[1]) maxi = [i, hist[i]];
dtMed = maxi[0];
var dtAvg = frames.reduce(function(s,i){return s + i;})/frames.length;
document.getElementById('dtMax').textContent = "Longest frame: " + dtMax + " ms. Average frame: " + Math.floor(dtAvg*100)*0.01 + " ms. Median frame: " + dtMed + " ms.";
clearInterval(iv);
var c = document.getElementById('dtCanvas');
c.width = frames.length;
c.height = dtMax;
var ctx = c.getContext('2d');
for (var i=0; i<frames.length; i++)
ctx.fillRect(i,0,1,frames[i]);
}
var t1 = new Date().getTime();
if (t1-t > dtMax) dtMax = t1-t;
frames.push(t1-t);
t = t1;
var rot = Matrix.rotate((t/400) % (2*Math.PI), [0, 1+(t%1000), 1]);
var trans = Matrix.translate3(0, Math.cos(t/1000)*1, Math.sin(t/1000)*3);
for (var i=0; i<200; i++)
var mat = Matrix.mul4x4(rot, trans);
}, 16);
}, 0);
}
</script>
<style>canvas{ position:absolute; }</style>
</head><body>
<h3>10 seconds of 60fps 200x mul4x4, frame time statistics</h3>
<p id="dtMax"></p>
<canvas id="dtCanvas"></canvas>
</body></html>
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