Modules for measuring average FPS (frames per second) value.
Calculates average FPS value from last n milliseconds, for each frame.
import FpsMeter from 'fps-stats/dist/meter';
let meter = new FpsMeter(1000);
let unregister = meter.registerCallback(({ avgFps, currentTime }) => {
console.log(avgFps); // prints average FPS in last second for each frame
});
// some time later...
unregister();
meter.dispose();Saves average FPS value from FpsMeter if it differs significantly from previous one.
import FpsAggregator from 'fps-stats/dist/meter';
let aggregator = new FpsAggregator(2);
aggregator.start();
// some time later...
aggregator.finish();
console.log(aggregator.getTimes());
// `x` is time of saving result, relative to start
// `y` is noted average FPS value
// [
// { x: 0, y: 60.12 },
// { x: 483, y: 58.567 }
// { x: 500, y: 58.01 },
// { x: 2982, y: 59.99 },
// { x: 3000, y: 60.1 },
// { x: 5984, y: 58.09 },
// { x: 6000, y: 55.32 },
// { x: 7975, y: 53.40 },
// { x: 8000, y: 50.97 }
// ]With this data you can draw very nice plot of average FPS values.
avgFps
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+---------+---------+---------+---------+---------+---------+---------+---------+---> time
0 1000 2000 3000 4000 5000 6000 7000 8000