Phaser.Tween = function (object, game){ 
this._object = object; 
this.game = game; 
this._manager = this.game.tweens; 
this._valuesStart = { 
}
; 
this._valuesEnd = { 
}
; 
this._valuesStartRepeat = { 
}
; 
this._duration = 1000; 
this._repeat = 0; 
this._yoyo = false ; 
this._reversed = false ; 
this._delayTime = 0; 
this._startTime = null ; 
this._easingFunction = Phaser.Easing.Linear.None; 
this._interpolationFunction = Phaser.Math.linearInterpolation; 
this._chainedTweens = [] ; 
this._onStartCallback = null ; 
this._onStartCallbackFired = false ; 
this._onUpdateCallback = null ; 
this._onCompleteCallback = null ; 
this._pausedTime = 0; 
for (var field in object){ 
this._valuesStart[field] = parseFloat(object[field], 10); 
} 
this.onStart = new Phaser.Signal(); 
this.onComplete = new Phaser.Signal(); 
this.isRunning = false ; 
} 
; 
Phaser.Tween.prototype = { 
to: function (properties, duration, ease, autoStart, delay, repeat, yoyo){ 
if (typeof duration === "undefined") { 
duration = 1000; 
} 
if (typeof ease === "undefined") { 
ease = null ; 
} 
if (typeof autoStart === "undefined") { 
autoStart = false ; 
} 
if (typeof delay === "undefined") { 
delay = 0; 
} 
if (typeof repeat === "undefined") { 
repeat = 0; 
} 
if (typeof yoyo === "undefined") { 
yoyo = false ; 
} 
this._duration = duration; 
this._valuesEnd = properties; 
if (ease !== null ) { 
this._easingFunction = ease; 
} 
if (delay > 0) { 
this._delayTime = delay; 
} 
this._yoyo = yoyo; 
if (autoStart) { 
return this.start(); 
} 
 else { 
return this; 
} 
} 
,
start: function (time){ 
if (this.game === null  || this._object === null ) { 
return ; 
} 
this._manager.add(this); 
this.onStart.dispatch(this._object); 
this.isRunning = true ; 
this._onStartCallbackFired = false ; 
this._startTime = this.game.time.now + this._delayTime; 
for (var property in this._valuesEnd){ 
if (this._valuesEnd[property] instanceof Array) { 
if (_AN_Read_length("length", this._valuesEnd[property]) === 0) { 
continue ; 
} 
this._valuesEnd[property] = [this._object[property]] .concat(this._valuesEnd[property]); 
} 
this._valuesStart[property] = this._object[property]; 
if ((this._valuesStart[property] instanceof Array) === false ) { 
this._valuesStart[property] *= 1; 
} 
this._valuesStartRepeat[property] = this._valuesStart[property] || 0; 
} 
return this; 
} 
,
stop: function (){ 
this._manager.remove(this); 
this.isRunning = false ; 
return this; 
} 
,
delay: function (amount){ 
this._delayTime = amount; 
return this; 
} 
,
repeat: function (times){ 
this._repeat = times; 
return this; 
} 
,
yoyo: function (yoyo){ 
this._yoyo = yoyo; 
return this; 
} 
,
easing: function (easing){ 
this._easingFunction = easing; 
return this; 
} 
,
interpolation: function (interpolation){ 
this._interpolationFunction = interpolation; 
return this; 
} 
,
chain: function (){ 
this._chainedTweens = arguments; 
return this; 
} 
,
onStart: function (callback){ 
this._onStartCallback = callback; 
return this; 
} 
,
onUpdate: function (callback){ 
this._onUpdateCallback = callback; 
return this; 
} 
,
onComplete: function (callback){ 
this._onCompleteCallback = callback; 
return this; 
} 
,
pause: function (){ 
this._paused = true ; 
} 
,
resume: function (){ 
this._paused = false ; 
this._startTime += this.game.time.pauseDuration; 
} 
,
update: function (time){ 
if (this._paused || time < this._startTime) { 
return true ; 
} 
var property; 
if (time < this._startTime) { 
return true ; 
} 
if (this._onStartCallbackFired === false ) { 
if (this._onStartCallback !== null ) { 
this._onStartCallback.call(this._object); 
} 
this._onStartCallbackFired = true ; 
} 
var elapsed = (time - this._startTime) / this._duration; 
elapsed = elapsed > 1? 1: elapsed; 
var value = this._easingFunction(elapsed); 
for (property in this._valuesEnd){ 
var start = this._valuesStart[property] || 0; 
var end = this._valuesEnd[property]; 
if (end instanceof Array) { 
this._object[property] = this._interpolationFunction(end, value); 
} 
 else { 
if (typeof (end) === "string") { 
end = start + parseFloat(end, 10); 
} 
if (typeof (end) === "number") { 
this._object[property] = start + (end - start) * value; 
} 
} 
} 
if (this._onUpdateCallback !== null ) { 
this._onUpdateCallback.call(this._object, value); 
} 
if (elapsed == 1) { 
if (this._repeat > 0) { 
if (isFinite(this._repeat)) { 
this._repeat-- ; 
} 
for (property in this._valuesStartRepeat){ 
if (typeof (this._valuesEnd[property]) === "string") { 
this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property], 10); 
} 
if (this._yoyo) { 
var tmp = this._valuesStartRepeat[property]; 
this._valuesStartRepeat[property] = this._valuesEnd[property]; 
this._valuesEnd[property] = tmp; 
this._reversed = !this._reversed; 
} 
this._valuesStart[property] = this._valuesStartRepeat[property]; 
} 
this._startTime = time + this._delayTime; 
return true ; 
} 
 else { 
if (this._onCompleteCallback !== null ) { 
this.onComplete.dispatch(this._object); 
this._onCompleteCallback.call(this._object); 
} 
for (var i = 0, numChainedTweens = _AN_Read_length("length", this._chainedTweens); 
i < numChainedTweens; i++ ){ 
this._chainedTweens[i].start(time); 
} 
return false ; 
} 
} 
return true ; 
} 
}
;