NOTE: The JavaScript timer is not accurate and this can be seen in the max step / max diff fields
ActionScript code:
var nominal_fps=0; var real_fps=0; var timer=getTimer(); var mindiff=0, maxdiff=0, avgdiff=0; var known_time=0; this.onEnterFrame = function() { nominal_fps++; var t = jstime*1; if (known_time != t) { real_fps++; known_time=t; } var now = new Date() *1; var diff = now-t; if ((nominal_fps==1) or (diffmaxdiff)) maxdiff=diff; avgdiff += diff; ms = getTimer()-timer; if (ms>=1000) { info = nominal_fps+" frame advances\n" + real_fps+" verified fps = "+Math.round(100/nominal_fps*real_fps)+"%\n" + "diff (min/avg/max) = "+mindiff+" / "+Math.round(avgdiff/nominal_fps) + " / "+maxdiff; nominal_fps=0; real_fps=0; avgdiff=0; timer = getTimer(); } }