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jparrott

TweenMax.ticker frames per second

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Hello GSAP,

 

Looking for a way to return the actual ticks per second and display on the browser so I know when the animations are getting heavy.

 

    function addListeners () {
        TweenMax.ticker.useRAF(false);
        TweenMax.ticker.addEventListener("tick", handleTick);
        TweenMax.ticker.fps(60);
    }

 

   function handleTick(e){
         fps.innerHTML = Math.round(TweenMax.ticker.FPS) + " fps";
    }

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I think this thread can help you.

Happy tweening.

:)

 

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Yep, @PointC pointed to a useful thread that shows all the logic, but if you just want to use simple GSAP-specific code that, this should be a rough approximation: 

 

var fps = TweenLite.ticker.frame / TweenLite.ticker.time;

 

Just remember that it'll usually be less than 60 because the "time" starts measuring the moment the JS loads, but there's typically a bunch of other tasks that the browser must do initially (like reading/parsing HTML, rendering the page, subloading other files, etc., etc.) so that first few seconds it's quite likely that there will be a lower FPS. And this technique measures the OVERALL performance, not the moment-by-moment performance. If you need something like that, use one of the techniques discussed in that other thread. 

 

Happy tweening!

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