0d14e5a379
Needs a lot of cleanup. Data has been de-duplicated, and where identical copies existed, one of them has been replaced with a symlink. Some files have been excluded, such as binaries, installers and debug dumps. Some of that may still be present.
776 lines
12 KiB
JavaScript
776 lines
12 KiB
JavaScript
/**
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* Tween.js - Licensed under the MIT license
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* https://github.com/sole/tween.js
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* ----------------------------------------------
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*
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* See https://github.com/sole/tween.js/graphs/contributors for the full list of contributors.
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* Thank you all, you're awesome!
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*/
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TWEEN = (function() {
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var _tweens = [];
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return {
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REVISION: '14',
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getAll: function() {
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return _tweens;
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},
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removeAll: function() {
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_tweens = [];
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},
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add: function(tween) {
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_tweens.push(tween);
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},
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remove: function(tween) {
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var i = _tweens.indexOf(tween);
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if (i !== -1) {
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_tweens.splice(i, 1);
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}
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},
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update: function(time) {
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if (_tweens.length === 0) return false;
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var i = 0;
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time = time !== undefined ? time : new Date().getTime();
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while (i < _tweens.length) {
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if (_tweens[i].update(time)) {
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i++;
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} else {
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_tweens.splice(i, 1);
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}
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}
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return true;
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}
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};
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})();
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TWEEN.Tween = function(object) {
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var _object = object;
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var _valuesStart = {};
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var _valuesEnd = {};
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var _valuesStartRepeat = {};
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var _duration = 1000;
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var _repeat = 0;
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var _yoyo = false;
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var _isPlaying = false;
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var _reversed = false;
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var _delayTime = 0;
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var _startTime = null;
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var _easingFunction = TWEEN.Easing.Linear.None;
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var _interpolationFunction = TWEEN.Interpolation.Linear;
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var _chainedTweens = [];
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var _onStartCallback = null;
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var _onStartCallbackFired = false;
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var _onUpdateCallback = null;
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var _onCompleteCallback = null;
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var _onStopCallback = null;
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// Set all starting values present on the target object
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for (var field in object) {
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_valuesStart[field] = parseFloat(object[field], 10);
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}
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this.to = function(properties, duration) {
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if (duration !== undefined) {
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_duration = duration;
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}
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_valuesEnd = properties;
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return this;
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};
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this.start = function(time) {
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TWEEN.add(this);
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_isPlaying = true;
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_onStartCallbackFired = false;
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_startTime = time !== undefined ? time : new Date().getTime();
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_startTime += _delayTime;
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for (var property in _valuesEnd) {
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// check if an Array was provided as property value
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if (_valuesEnd[property] instanceof Array) {
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if (_valuesEnd[property].length === 0) {
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continue;
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}
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// create a local copy of the Array with the start value at the front
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_valuesEnd[property] = [_object[property]].concat(_valuesEnd[property]);
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}
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_valuesStart[property] = _object[property];
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if ((_valuesStart[property] instanceof Array) === false) {
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_valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings
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}
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_valuesStartRepeat[property] = _valuesStart[property] || 0;
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}
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return this;
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};
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this.stop = function() {
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if (!_isPlaying) {
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return this;
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}
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TWEEN.remove(this);
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_isPlaying = false;
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if (_onStopCallback !== null) {
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_onStopCallback.call(_object);
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}
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this.stopChainedTweens();
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return this;
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};
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this.stopChainedTweens = function() {
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for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) {
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_chainedTweens[i].stop();
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}
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};
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this.delay = function(amount) {
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_delayTime = amount;
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return this;
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};
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this.repeat = function(times) {
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_repeat = times;
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return this;
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};
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this.yoyo = function(yoyo) {
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_yoyo = yoyo;
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return this;
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};
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this.easing = function(easing) {
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_easingFunction = easing;
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return this;
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};
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this.interpolation = function(interpolation) {
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_interpolationFunction = interpolation;
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return this;
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};
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this.chain = function() {
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_chainedTweens = arguments;
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return this;
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};
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this.onStart = function(callback) {
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_onStartCallback = callback;
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return this;
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};
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this.onUpdate = function(callback) {
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_onUpdateCallback = callback;
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return this;
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};
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this.onComplete = function(callback) {
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_onCompleteCallback = callback;
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return this;
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};
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this.onStop = function(callback) {
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_onStopCallback = callback;
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return this;
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};
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this.update = function(time) {
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var property;
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if (time < _startTime) {
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return true;
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}
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if (_onStartCallbackFired === false) {
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if (_onStartCallback !== null) {
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_onStartCallback.call(_object);
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}
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_onStartCallbackFired = true;
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}
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var elapsed = (time - _startTime) / _duration;
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elapsed = elapsed > 1 ? 1 : elapsed;
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var value = _easingFunction(elapsed);
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for (property in _valuesEnd) {
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var start = _valuesStart[property] || 0;
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var end = _valuesEnd[property];
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if (end instanceof Array) {
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_object[property] = _interpolationFunction(end, value);
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} else {
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// Parses relative end values with start as base (e.g.: +10, -3)
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if (typeof (end) === "string") {
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end = start + parseFloat(end, 10);
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}
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// protect against non numeric properties.
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if (typeof (end) === "number") {
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_object[property] = start + (end - start) * value;
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}
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}
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}
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if (_onUpdateCallback !== null) {
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_onUpdateCallback.call(_object, value);
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}
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if (elapsed == 1) {
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if (_repeat > 0) {
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if (isFinite(_repeat)) {
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_repeat--;
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}
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// reassign starting values, restart by making startTime = now
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for (property in _valuesStartRepeat) {
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if (typeof (_valuesEnd[property]) === "string") {
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_valuesStartRepeat[property] = _valuesStartRepeat[property] + parseFloat(_valuesEnd[property], 10);
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}
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if (_yoyo) {
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var tmp = _valuesStartRepeat[property];
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_valuesStartRepeat[property] = _valuesEnd[property];
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_valuesEnd[property] = tmp;
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}
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_valuesStart[property] = _valuesStartRepeat[property];
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}
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if (_yoyo) {
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_reversed = !_reversed;
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}
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_startTime = time + _delayTime;
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return true;
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} else {
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if (_onCompleteCallback !== null) {
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_onCompleteCallback.call(_object);
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}
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for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) {
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_chainedTweens[i].start(time);
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}
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return false;
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}
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}
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return true;
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};
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};
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TWEEN.Easing = {
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Linear: {
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None: function(k) {
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return k;
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}
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},
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Quadratic: {
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In: function(k) {
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return k * k;
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},
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Out: function(k) {
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return k * (2 - k);
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},
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InOut: function(k) {
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if ((k *= 2) < 1) return 0.5 * k * k;
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return -0.5 * (--k * (k - 2) - 1);
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}
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},
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Cubic: {
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In: function(k) {
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return k * k * k;
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},
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Out: function(k) {
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return --k * k * k + 1;
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},
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InOut: function(k) {
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if ((k *= 2) < 1) return 0.5 * k * k * k;
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return 0.5 * ((k -= 2) * k * k + 2);
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}
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},
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Quartic: {
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In: function(k) {
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return k * k * k * k;
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},
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Out: function(k) {
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return 1 - (--k * k * k * k);
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},
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InOut: function(k) {
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if ((k *= 2) < 1) return 0.5 * k * k * k * k;
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return -0.5 * ((k -= 2) * k * k * k - 2);
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}
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},
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Quintic: {
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In: function(k) {
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return k * k * k * k * k;
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},
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Out: function(k) {
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return --k * k * k * k * k + 1;
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},
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InOut: function(k) {
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if ((k *= 2) < 1) return 0.5 * k * k * k * k * k;
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return 0.5 * ((k -= 2) * k * k * k * k + 2);
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}
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},
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Sinusoidal: {
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In: function(k) {
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return 1 - Math.cos(k * Math.PI / 2);
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},
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Out: function(k) {
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return Math.sin(k * Math.PI / 2);
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},
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InOut: function(k) {
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return 0.5 * (1 - Math.cos(Math.PI * k));
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}
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},
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Exponential: {
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In: function(k) {
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return k === 0 ? 0 : Math.pow(1024, k - 1);
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},
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Out: function(k) {
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return k === 1 ? 1 : 1 - Math.pow(2, -10 * k);
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},
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InOut: function(k) {
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if (k === 0) return 0;
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if (k === 1) return 1;
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if ((k *= 2) < 1) return 0.5 * Math.pow(1024, k - 1);
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return 0.5 * (-Math.pow(2, -10 * (k - 1)) + 2);
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}
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},
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Circular: {
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In: function(k) {
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return 1 - Math.sqrt(1 - k * k);
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},
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Out: function(k) {
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return Math.sqrt(1 - (--k * k));
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},
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InOut: function(k) {
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if ((k *= 2) < 1) return -0.5 * (Math.sqrt(1 - k * k) - 1);
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return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1);
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}
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},
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Elastic: {
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In: function(k) {
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var s,
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a = 0.1,
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p = 0.4;
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if (k === 0) return 0;
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if (k === 1) return 1;
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if (!a || a < 1) {
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a = 1;
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s = p / 4;
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}
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else
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s = p * Math.asin(1 / a) / (2 * Math.PI);
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return -(a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
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},
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Out: function(k) {
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var s,
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a = 0.1,
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p = 0.4;
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if (k === 0) return 0;
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if (k === 1) return 1;
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if (!a || a < 1) {
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a = 1;
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s = p / 4;
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}
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else
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s = p * Math.asin(1 / a) / (2 * Math.PI);
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return (a * Math.pow(2, -10 * k) * Math.sin((k - s) * (2 * Math.PI) / p) + 1);
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},
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InOut: function(k) {
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var s,
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a = 0.1,
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p = 0.4;
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if (k === 0) return 0;
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if (k === 1) return 1;
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if (!a || a < 1) {
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a = 1;
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s = p / 4;
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}
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else
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s = p * Math.asin(1 / a) / (2 * Math.PI);
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if ((k *= 2) < 1) return -0.5 * (a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
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return a * Math.pow(2, -10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p) * 0.5 + 1;
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}
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},
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Back: {
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In: function(k) {
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var s = 1.70158;
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return k * k * ((s + 1) * k - s);
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},
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Out: function(k) {
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var s = 1.70158;
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return --k * k * ((s + 1) * k + s) + 1;
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},
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InOut: function(k) {
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var s = 1.70158 * 1.525;
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if ((k *= 2) < 1) return 0.5 * (k * k * ((s + 1) * k - s));
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return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2);
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}
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},
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Bounce: {
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In: function(k) {
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return 1 - TWEEN.Easing.Bounce.Out(1 - k);
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},
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Out: function(k) {
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if (k < (1 / 2.75)) {
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return 7.5625 * k * k;
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} else if (k < (2 / 2.75)) {
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return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75;
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} else if (k < (2.5 / 2.75)) {
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return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375;
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} else {
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return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375;
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}
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},
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InOut: function(k) {
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if (k < 0.5) return TWEEN.Easing.Bounce.In(k * 2) * 0.5;
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return TWEEN.Easing.Bounce.Out(k * 2 - 1) * 0.5 + 0.5;
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}
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}
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};
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TWEEN.Interpolation = {
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Linear: function(v, k) {
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var m = v.length - 1,
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f = m * k,
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i = Math.floor(f),
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fn = TWEEN.Interpolation.Utils.Linear;
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if (k < 0) return fn(v[0], v[1], f);
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if (k > 1) return fn(v[m], v[m - 1], m - f);
|
|
|
|
return fn(v[i], v[i + 1 > m ? m : i + 1], f - i);
|
|
|
|
},
|
|
|
|
Bezier: function(v, k) {
|
|
|
|
var b = 0,
|
|
n = v.length - 1,
|
|
pw = Math.pow,
|
|
bn = TWEEN.Interpolation.Utils.Bernstein, i;
|
|
|
|
for (i = 0; i <= n; i++) {
|
|
b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i);
|
|
}
|
|
|
|
return b;
|
|
|
|
},
|
|
|
|
CatmullRom: function(v, k) {
|
|
|
|
var m = v.length - 1,
|
|
f = m * k,
|
|
i = Math.floor(f),
|
|
fn = TWEEN.Interpolation.Utils.CatmullRom;
|
|
|
|
if (v[0] === v[m]) {
|
|
|
|
if (k < 0)
|
|
i = Math.floor(f = m * (1 + k));
|
|
|
|
return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i);
|
|
|
|
} else {
|
|
|
|
if (k < 0) return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]);
|
|
if (k > 1) return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]);
|
|
|
|
return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
Utils: {
|
|
|
|
Linear: function(p0, p1, t) {
|
|
|
|
return (p1 - p0) * t + p0;
|
|
|
|
},
|
|
|
|
Bernstein: function(n, i) {
|
|
|
|
var fc = TWEEN.Interpolation.Utils.Factorial;
|
|
return fc(n) / fc(i) / fc(n - i);
|
|
|
|
},
|
|
|
|
Factorial: (function() {
|
|
|
|
var a = [1];
|
|
|
|
return function(n) {
|
|
|
|
var s = 1, i;
|
|
if (a[n]) return a[n];
|
|
for (i = n; i > 1; i--) s *= i;
|
|
return a[n] = s;
|
|
|
|
};
|
|
|
|
})(),
|
|
|
|
CatmullRom: function(p0, p1, p2, p3, t) {
|
|
|
|
var v0 = (p2 - p0) * 0.5,
|
|
v1 = (p3 - p1) * 0.5,
|
|
t2 = t * t,
|
|
t3 = t * t2;
|
|
return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|