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Running
Running
File size: 1,065 Bytes
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/**
* @author alteredq / http://alteredqualia.com/
*/
function Clock( autoStart ) {
this.autoStart = ( autoStart !== undefined ) ? autoStart : true;
this.startTime = 0;
this.oldTime = 0;
this.elapsedTime = 0;
this.running = false;
}
Object.assign( Clock.prototype, {
start: function () {
this.startTime = ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732
this.oldTime = this.startTime;
this.elapsedTime = 0;
this.running = true;
},
stop: function () {
this.getElapsedTime();
this.running = false;
this.autoStart = false;
},
getElapsedTime: function () {
this.getDelta();
return this.elapsedTime;
},
getDelta: function () {
var diff = 0;
if ( this.autoStart && ! this.running ) {
this.start();
return 0;
}
if ( this.running ) {
var newTime = ( typeof performance === 'undefined' ? Date : performance ).now();
diff = ( newTime - this.oldTime ) / 1000;
this.oldTime = newTime;
this.elapsedTime += diff;
}
return diff;
}
} );
export { Clock };
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