// tween.js 17.3.5 - https://github.com/tweenjs/tween.js
var _Group=function(){this._tweens={},this._tweensAddedDuringUpdate={}};_Group.prototype={getAll:function(){return Object.keys(this._tweens).map(function(t){return this._tweens[t]}.bind(this))},removeAll:function(){this._tweens={}},add:function(t){this._tweens[t.getId()]=t,this._tweensAddedDuringUpdate[t.getId()]=t},remove:function(t){delete this._tweens[t.getId()],delete this._tweensAddedDuringUpdate[t.getId()]},update:function(t,n){var e=Object.keys(this._tweens);if(0===e.length)return!1;for(t=void 0!==t?t:TWEEN.now();0<e.length;){this._tweensAddedDuringUpdate={};for(var i=0;i<e.length;i++){var r=this._tweens[e[i]];r&&!1===r.update(t)&&(r._isPlaying=!1,n||delete this._tweens[e[i]])}e=Object.keys(this._tweensAddedDuringUpdate)}return!0}};var TWEEN=new _Group;TWEEN.Group=_Group,TWEEN._nextId=0,TWEEN.nextId=function(){return TWEEN._nextId++},"undefined"==typeof self&&"undefined"!=typeof process&&process.hrtime?TWEEN.now=function(){var t=process.hrtime();return 1e3*t[0]+t[1]/1e6}:"undefined"!=typeof self&&void 0!==self.performance&&void 0!==self.performance.now?TWEEN.now=self.performance.now.bind(self.performance):void 0!==Date.now?TWEEN.now=Date.now:TWEEN.now=function(){return(new Date).getTime()},TWEEN.Tween=function(t,n){this._object=t,this._valuesStart={},this._valuesEnd={},this._valuesStartRepeat={},this._duration=1e3,this._repeat=0,this._repeatDelayTime=void 0,this._yoyo=!1,this._isPlaying=!1,this._reversed=!1,this._delayTime=0,this._startTime=null,this._easingFunction=TWEEN.Easing.Linear.None,this._interpolationFunction=TWEEN.Interpolation.Linear,this._chainedTweens=[],this._onStartCallback=null,this._onStartCallbackFired=!1,this._onUpdateCallback=null,this._onCompleteCallback=null,this._onStopCallback=null,this._group=n||TWEEN,this._id=TWEEN.nextId()},TWEEN.Tween.prototype={getId:function(){return this._id},isPlaying:function(){return this._isPlaying},to:function(t,n){return this._valuesEnd=Object.create(t),void 0!==n&&(this._duration=n),this},duration:function(t){return this._duration=t,this},start:function(t){for(var n in this._group.add(this),this._isPlaying=!0,this._onStartCallbackFired=!1,this._startTime=void 0!==t?"string"==typeof t?TWEEN.now()+parseFloat(t):t:TWEEN.now(),this._startTime+=this._delayTime,this._valuesEnd){if(this._valuesEnd[n]instanceof Array){if(0===this._valuesEnd[n].length)continue;this._valuesEnd[n]=[this._object[n]].concat(this._valuesEnd[n])}void 0!==this._object[n]&&(this._valuesStart[n]=this._object[n],this._valuesStart[n]instanceof Array==!1&&(this._valuesStart[n]*=1),this._valuesStartRepeat[n]=this._valuesStart[n]||0)}return this},stop:function(){return this._isPlaying&&(this._group.remove(this),this._isPlaying=!1,null!==this._onStopCallback&&this._onStopCallback(this._object),this.stopChainedTweens()),this},end:function(){return this.update(1/0),this},stopChainedTweens:function(){for(var t=0,n=this._chainedTweens.length;t<n;t++)this._chainedTweens[t].stop()},group:function(t){return this._group=t,this},delay:function(t){return this._delayTime=t,this},repeat:function(t){return this._repeat=t,this},repeatDelay:function(t){return this._repeatDelayTime=t,this},yoyo:function(t){return this._yoyo=t,this},easing:function(t){return this._easingFunction=t,this},interpolation:function(t){return this._interpolationFunction=t,this},chain:function(){return this._chainedTweens=arguments,this},onStart:function(t){return this._onStartCallback=t,this},onUpdate:function(t){return this._onUpdateCallback=t,this},onComplete:function(t){return this._onCompleteCallback=t,this},onStop:function(t){return this._onStopCallback=t,this},update:function(t){var n,e,i;if(t<this._startTime)return!0;for(n in!1===this._onStartCallbackFired&&(null!==this._onStartCallback&&this._onStartCallback(this._object),this._onStartCallbackFired=!0),e=(t-this._startTime)/this._duration,e=0===this._duration||1<e?1:e,i=this._easingFunction(e),this._valuesEnd)if(void 0!==this._valuesStart[n]){var r=this._valuesStart[n]||0,a=this._valuesEnd[n];a instanceof Array?this._object[n]=this._interpolationFunction(a,i):("string"==typeof a&&(a="+"===a.charAt(0)||"-"===a.charAt(0)?r+parseFloat(a):parseFloat(a)),"number"==typeof a&&(this._object[n]=r+(a-r)*i))}if(null!==this._onUpdateCallback&&this._onUpdateCallback(this._object),1!==e)return!0;if(0<this._repeat){for(n in isFinite(this._repeat)&&this._repeat--,this._valuesStartRepeat){if("string"==typeof this._valuesEnd[n]&&(this._valuesStartRepeat[n]=this._valuesStartRepeat[n]+parseFloat(this._valuesEnd[n])),this._yoyo){var s=this._valuesStartRepeat[n];this._valuesStartRepeat[n]=this._valuesEnd[n],this._valuesEnd[n]=s}this._valuesStart[n]=this._valuesStartRepeat[n]}return this._yoyo&&(this._reversed=!this._reversed),void 0!==this._repeatDelayTime?this._startTime=t+this._repeatDelayTime:this._startTime=t+this._delayTime,!0}null!==this._onCompleteCallback&&this._onCompleteCallback(this._object);for(var o=0,u=this._chainedTweens.length;o<u;o++)this._chainedTweens[o].start(this._startTime+this._duration);return!1}},TWEEN.Easing={Linear:{None:function(t){return t}},Quadratic:{In:function(t){return t*t},Out:function(t){return t*(2-t)},InOut:function(t){return(t*=2)<1?.5*t*t:-.5*(--t*(t-2)-1)}},Cubic:{In:function(t){return t*t*t},Out:function(t){return--t*t*t+1},InOut:function(t){return(t*=2)<1?.5*t*t*t:.5*((t-=2)*t*t+2)}},Quartic:{In:function(t){return t*t*t*t},Out:function(t){return 1- --t*t*t*t},InOut:function(t){return(t*=2)<1?.5*t*t*t*t:-.5*((t-=2)*t*t*t-2)}},Quintic:{In:function(t){return t*t*t*t*t},Out:function(t){return--t*t*t*t*t+1},InOut:function(t){return(t*=2)<1?.5*t*t*t*t*t:.5*((t-=2)*t*t*t*t+2)}},Sinusoidal:{In:function(t){return 1-Math.cos(t*Math.PI/2)},Out:function(t){return Math.sin(t*Math.PI/2)},InOut:function(t){return.5*(1-Math.cos(Math.PI*t))}},Exponential:{In:function(t){return 0===t?0:Math.pow(1024,t-1)},Out:function(t){return 1===t?1:1-Math.pow(2,-10*t)},InOut:function(t){return 0===t?0:1===t?1:(t*=2)<1?.5*Math.pow(1024,t-1):.5*(2-Math.pow(2,-10*(t-1)))}},Circular:{In:function(t){return 1-Math.sqrt(1-t*t)},Out:function(t){return Math.sqrt(1- --t*t)},InOut:function(t){return(t*=2)<1?-.5*(Math.sqrt(1-t*t)-1):.5*(Math.sqrt(1-(t-=2)*t)+1)}},Elastic:{In:function(t){return 0===t?0:1===t?1:-Math.pow(2,10*(t-1))*Math.sin(5*(t-1.1)*Math.PI)},Out:function(t){return 0===t?0:1===t?1:Math.pow(2,-10*t)*Math.sin(5*(t-.1)*Math.PI)+1},InOut:function(t){return 0===t?0:1===t?1:(t*=2)<1?-.5*Math.pow(2,10*(t-1))*Math.sin(5*(t-1.1)*Math.PI):.5*Math.pow(2,-10*(t-1))*Math.sin(5*(t-1.1)*Math.PI)+1}},Back:{In:function(t){return t*t*(2.70158*t-1.70158)},Out:function(t){return--t*t*(2.70158*t+1.70158)+1},InOut:function(t){var n=2.5949095;return(t*=2)<1?t*t*((1+n)*t-n)*.5:.5*((t-=2)*t*((1+n)*t+n)+2)}},Bounce:{In:function(t){return 1-TWEEN.Easing.Bounce.Out(1-t)},Out:function(t){return t<1/2.75?7.5625*t*t:t<2/2.75?7.5625*(t-=1.5/2.75)*t+.75:t<2.5/2.75?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375},InOut:function(t){return t<.5?.5*TWEEN.Easing.Bounce.In(2*t):.5*TWEEN.Easing.Bounce.Out(2*t-1)+.5}}},TWEEN.Interpolation={Linear:function(t,n){var e=t.length-1,i=e*n,r=Math.floor(i),a=TWEEN.Interpolation.Utils.Linear;return n<0?a(t[0],t[1],i):1<n?a(t[e],t[e-1],e-i):a(t[r],t[e<r+1?e:r+1],i-r)},Bezier:function(t,n){for(var e=0,i=t.length-1,r=Math.pow,a=TWEEN.Interpolation.Utils.Bernstein,s=0;s<=i;s++)e+=r(1-n,i-s)*r(n,s)*t[s]*a(i,s);return e},CatmullRom:function(t,n){var e=t.length-1,i=e*n,r=Math.floor(i),a=TWEEN.Interpolation.Utils.CatmullRom;return t[0]===t[e]?(n<0&&(r=Math.floor(i=e*(1+n))),a(t[(r-1+e)%e],t[r],t[(r+1)%e],t[(r+2)%e],i-r)):n<0?t[0]-(a(t[0],t[0],t[1],t[1],-i)-t[0]):1<n?t[e]-(a(t[e],t[e],t[e-1],t[e-1],i-e)-t[e]):a(t[r?r-1:0],t[r],t[e<r+1?e:r+1],t[e<r+2?e:r+2],i-r)},Utils:{Linear:function(t,n,e){return(n-t)*e+t},Bernstein:function(t,n){var e=TWEEN.Interpolation.Utils.Factorial;return e(t)/e(n)/e(t-n)},Factorial:function(){var i=[1];return function(t){var n=1;if(i[t])return i[t];for(var e=t;1<e;e--)n*=e;return i[t]=n}}(),CatmullRom:function(t,n,e,i,r){var a=.5*(e-t),s=.5*(i-n),o=r*r;return(2*n-2*e+a+s)*(r*o)+(-3*n+3*e-2*a-s)*o+a*r+n}}},function(t){"function"==typeof define&&define.amd?define([],function(){return TWEEN}):"undefined"!=typeof module&&"object"==typeof exports?module.exports=TWEEN:void 0!==t&&(t.TWEEN=TWEEN)}(this);
export {TWEEN};