Btw when setting a start time other than 0 to the timer, it's the
difference between both that will be calculated.
Example :
you app starts at 0ms, but for some reason you need some data loaded
that your timer needs before it starts. You need to take into account
the time elapsed.
var wantedEnd:Number = 2000;
var curTime:Number = getTimer();
soundTimer.startTimer(curTime, wantedEnd);
the Timer won't go for 2 seconds, but an event will be triggerred after
2 seconds of the Application launch.
HTH
Alain Rousseau wrote:
I made a Timer class that I use for another set of Classes I wrote.
Here is the class itself, it's pretty precise and reliable so far.
Hope it Helps !
usage :
import ca.daroost.utils.Timer;
soundTimer = new Timer();
soundTimer.addEventListener("onTimerDone", this);
soundTimer.addEventListener("onTimerStart", this);
soundTimer.startTimer(0, 2000); // 2 second timer
function onTimerDone(evtObj:Object) {
trace("Timer is done after "+evtObj.delta+"ms - wanted time is :
"+evtObj.timerDelta+"ms");
}
function onTimerStart(evtObj:Object) {
trace("Timer has started");
}
---- Class Start ---
import mx.events.EventDispatcher;
import mx.utils.Delegate;
class ca.daroost.utils.Timer {
// Constants:
public static var CLASS_REF = ca.daroost.utils.Timer;
// Public Properties:
public var dispatchEvent:Function;
public var addEventListener:Function;
public var removeEventListener:Function;
// Private Properties:
private var tEnd:Number;
private var tStart:Number; // usually this is 0, but in case of a
sound loop there could be a start offset
private var _starttime:Number; // actual timer start value set with
getTimer()
private var tDelta:Number; // Delta time between tEnd and tStart
private var tInterval:Number;
// Initialization:
public function Timer(startTime:Number,endTime:Number) {
EventDispatcher.initialize(this);
tStart = (startTime != undefined) ? startTime : 0;
tEnd = (endTime != undefined) ? endTime : 0;
tDelta = 0;
tInterval = 0;
}
// Public Methods:
public function startTimer(startTime:Number,endTime:Number) {
tEnd = endTime;
tStart = startTime;
tDelta = tEnd - tStart;
_starttime = getTimer();
tInterval = setInterval(this, "updateTimer", 1);
this.dispatchEvent({target:this, type:"onTimerStart",
startTime:tStart, endTime:tEnd});
}
public function set endTime(value:Number):Void {
tEnd = value;
}
public function get endTime():Number {
return tEnd;
}
public function set startTime(value:Number):Void {
tStart = value;
}
public function get startTime():Number {
return tStart;
}
// Semi-Private Methods:
// Private Methods:
private function updateTimer():Void {
var _delta:Number;
_delta = getTimer() - _starttime;
if (_delta >= tDelta -50) {
// here we will get a more precise value with the last 50 ms
while (_delta < tDelta) {
_delta = getTimer() - _starttime;
}
this.dispatchEvent({target:this, type:"onTimerDone",
delta:_delta, timerDelta:tDelta});
clearInterval(tInterval);
}
}
}
---- Class End---
Gustavo Duenas wrote:
Hi, I'm trying to set a timer to trigger a event after 20 seconds or
less, but so far i have this code, but with no results
someone help me? .
I don't know how could I got into but some help might be needed
this is the code: is inside the first frame of a movie clip and the 4
frame has: gotoAndPlay(1);
var now = getTimer();
var seconds:Number = now/1000;
var later:Number = seconds+20;
this.onEnterFrame= function (){
if(seconds == later){
trace("llegamos");
}
}
trace(seconds);
Regards
Gustavo Duenas
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