heldore / fpscounter

Very simple in page javascript FPS Counter

fpscounter

This is a simple in-browser fps counter, with no configuration or options. View demo.

Installation

Simply drop the javascript file into your page:

<script src="http://rawgithub.com/pete-otaqui/fpscounter/master/fpscounter.js"></script>

Or you can add it to any page you are currently browsing with a bookmarklet like this:

javascript:(function(){var s=document.createElement('script');s.src='//rawgithub.com/pete-otaqui/fpscounter/master/fpscounter.js';document.querySelector('head').appendChild(s);})()

Configuration

fpscounter doesn't need any configuration to run, but you can supply some if you like. Simple create a global object called fpscounter_options before the fpscounter.js file is executed. You have the following configuration directives, defaults are shown:

<script>
    fpscounter_options = {
        auto_start : true, // should the fpscounter start right away?
        width : 100, // width of the fpscounter
        height: 50, // height of the fpscounter
        remove_on_click: false // should clicking remove instead of pausing?
    };
</script>
<script src="http://rawgithub.com/pete-otaqui/fpscounter/master/fpscounter.js"></script>

Assuming you've disabled auto_start, simply call the fpscounter() from your code to manually start it:

<script>
    fpscounter_options = { auto_start : false };
</script>
<script src="http://rawgithub.com/pete-otaqui/fpscounter/master/fpscounter.js"></script>
<script>
    document.getElementById('my-button').addEventListener('click', function() {
        fpscounter({width: 100, height: 100});
    }, false);
</script>

All options (except auto_start) are the same between the fpscounter_options object and the argument passed to the fpscounter() function

Notes

fpscounter displays the current fps as text, and a history graph (higher is better) for the last period of time. The history graph automatically scales to delta between the least and greatest values within the history being shown, and these numbers are also printed.

License

This code is available under the Creative Commons Attribution 3.0 Unported license.