animation-frame
Version:
An even better requestAnimationFrame
36 lines (31 loc) • 947 B
HTML
<html>
<head>
<title>animationFrame</title>
</head>
<body>
<h3>Doing expensive calculation for each frame</h3>
<div id="rate"></div>
<script src="../AnimationFrame.js"></script>
<script src="./FpsMeter.js"></script>
<script>
(function() {
var animationFrame = new AnimationFrame(),
fpsMeter = new FpsMeter();
(function animate() {
animationFrame.request(function() {
for (var i=0; i<200000; i++) {
new Date();
}
fpsMeter.tick();
animate();
});
}());
var rateElem = document.getElementById('rate');
fpsMeter.start(function(fps) {
rateElem.innerHTML = fps + ' FPS';
});
}())
</script>
</body>
</html>