Phaser.Time = function (game){ 
this.game = game; 
this.time = 0; 
this.prevTime = 0; 
this.now = 0; 
this.elapsed = 0; 
this.elapsedMS = 0; 
this.physicsElapsed = 1 / 60; 
this.physicsElapsedMS = (1 / 60) * 1000; 
this.desiredFpsMult = 1 / 60; 
this._desiredFps = 60; 
this.suggestedFps = this.desiredFps; 
this.slowMotion = 1; 
this.advancedTiming = false ; 
this.frames = 0; 
this.fps = 0; 
this.fpsMin = 1000; 
this.fpsMax = 0; 
this.msMin = 1000; 
this.msMax = 0; 
this.pauseDuration = 0; 
this.timeToCall = 0; 
this.timeExpected = 0; 
this.events = new Phaser.Timer(this.game, false ); 
this._frameCount = 0; 
this._elapsedAccumulator = 0; 
this._started = 0; 
this._timeLastSecond = 0; 
this._pauseStarted = 0; 
this._justResumed = false ; 
this._timers = [] ; 
} 
; 
Phaser.Time.prototype = { 
boot: function (){ 
this._started = Date.now(); 
this.time = Date.now(); 
this.events.start(); 
this.timeExpected = this.time; 
} 
,
add: function (timer){ 
this._timers.push(timer); 
return timer; 
} 
,
create: function (autoDestroy){ 
if (autoDestroy === undefined) { 
autoDestroy = true ; 
} 
var timer = new Phaser.Timer(this.game, autoDestroy); 
this._timers.push(timer); 
return timer; 
} 
,
removeAll: function (){ 
for (var i = 0; 
i < _AN_Read_length('length', this._timers); i++ ){ 
this._timers[i].destroy(); 
} 
this._timers = [] ; 
this.events.removeAll(); 
} 
,
refresh: function (){ 
var previousDateNow = this.time; 
this.time = Date.now(); 
this.elapsedMS = this.time - previousDateNow; 
} 
,
update: function (time){ 
var previousDateNow = this.time; 
this.time = Date.now(); 
this.elapsedMS = this.time - previousDateNow; 
this.prevTime = this.now; 
this.now = time; 
this.elapsed = this.now - this.prevTime; 
if (this.game.raf._isSetTimeOut) { 
this.timeToCall = Math.floor(Math.max(0, (1000 / this._desiredFps) - (this.timeExpected - time))); 
this.timeExpected = time + this.timeToCall; 
} 
if (this.advancedTiming) { 
this.updateAdvancedTiming(); 
} 
if (!this.game.paused) { 
this.events.update(this.time); 
if (this._timers.length) { 
this.updateTimers(); 
} 
} 
} 
,
updateTimers: function (){ 
var i = 0; 
var len = _AN_Read_length('length', this._timers); 
while (i < len){ 
if (this._timers[i].update(this.time)) { 
i++ ; 
} 
 else { 
this._timers.splice(i, 1); 
len-- ; 
} 
} 
} 
,
updateAdvancedTiming: function (){ 
this._frameCount++ ; 
this._elapsedAccumulator += this.elapsed; 
if (this._frameCount >= this._desiredFps * 2) { 
this.suggestedFps = Math.floor(200 / (this._elapsedAccumulator / this._frameCount)) * 5; 
this._frameCount = 0; 
this._elapsedAccumulator = 0; 
} 
this.msMin = Math.min(this.msMin, this.elapsed); 
this.msMax = Math.max(this.msMax, this.elapsed); 
this.frames++ ; 
if (this.now > this._timeLastSecond + 1000) { 
this.fps = Math.round((this.frames * 1000) / (this.now - this._timeLastSecond)); 
this.fpsMin = Math.min(this.fpsMin, this.fps); 
this.fpsMax = Math.max(this.fpsMax, this.fps); 
this._timeLastSecond = this.now; 
this.frames = 0; 
} 
} 
,
gamePaused: function (){ 
this._pauseStarted = Date.now(); 
this.events.pause(); 
var i = _AN_Read_length('length', this._timers); 
while (i-- ){ 
this._timers[i]._pause(); 
} 
} 
,
gameResumed: function (){ 
this.time = Date.now(); 
this.pauseDuration = this.time - this._pauseStarted; 
this.events.resume(); 
var i = _AN_Read_length('length', this._timers); 
while (i-- ){ 
this._timers[i]._resume(); 
} 
} 
,
totalElapsedSeconds: function (){ 
return (this.time - this._started) * 0.001; 
} 
,
elapsedSince: function (since){ 
return this.time - since; 
} 
,
elapsedSecondsSince: function (since){ 
return (this.time - since) * 0.001; 
} 
,
reset: function (){ 
this._started = this.time; 
this.removeAll(); 
} 
}
; 
Object.defineProperty(Phaser.Time.prototype, "desiredFps", { 
get: function (){ 
return this._desiredFps; 
} 
,
set: function (value){ 
this._desiredFps = value; 
this.physicsElapsed = 1 / value; 
this.physicsElapsedMS = this.physicsElapsed * 1000; 
this.desiredFpsMult = 1 / value; 
} 
}
); 
Phaser.Time.prototype.constructor = Phaser.Time;