text: /**
   * Tween.js - Licensed under the MIT license
   * https://github.com/tweenjs/tween.js
   * ----------------------------------------------
   *
   * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.
   * Thank you all, you're awesome!
   */
  
  // Include a performance.now polyfill
  (function () {
   window= {}
      if ('performance' in window === false) {
          window.performance = {};
      }
  
      // IE 8
      Date.now = (Date.now || function () {
          return new Date().getTime();
      });
  
      if ('now' in window.performance === false) {
          var offset = window.performance.timing && window.performance.timing.navigationStart ? window.performance.timing.navigationStart
                                                                                              : Date.now();
  
          window.performance.now = function () {
              return Date.now() - offset;
          };
      }
  
  })();
  
  var TWEEN = TWEEN || (function () {
  
      var _tweens = [];
  
      return {
  
          getAll: function () {
  
              return _tweens;
  
          },
  
          removeAll: function () {
  
              _tweens = [];
  
          },
  
          add: function (tween) {
  
              _tweens.push(tween);
  
          },
  
          remove: function (tween) {
  
              var i = _tweens.indexOf(tween);
  
              if (i !== -1) {
                  _tweens.splice(i, 1);
              }
  
          },
  
          update: function (time) {
  
              if (_tweens.length === 0) {
                  return false;
              }
  
              var i = 0;
  
              time = time !== undefined ? time : window.performance.now();
  
              while (i < _tweens.length) {
  
                  if (_tweens[i].update(time)) {
                      i++;
                  } else {
                      _tweens.splice(i, 1);
                  }
  
              }
  
              return true;
  
          }
      };
  
  })();
  
  TWEEN.Tween = function (object) {
  
      var _object = object;
      var _valuesStart = {};
      var _valuesEnd = {};
      var _valuesStartRepeat = {};
      var _duration = 1000;
      var _repeat = 0;
      var _yoyo = false;
      var _isPlaying = false;
      var _reversed = false;
      var _delayTime = 0;
      var _startTime = null;
      var _easingFunction = TWEEN.Easing.Linear.None;
      var _interpolationFunction = TWEEN.Interpolation.Linear;
      var _chainedTweens = [];
      var _onStartCallback = null;
      var _onStartCallbackFired = false;
      var _onUpdateCallback = null;
      var _onCompleteCallback = null;
      var _onStopCallback = null;
  
      // Set all starting values present on the target object
      for (var field in object) {
          _valuesStart[field] = parseFloat(object[field], 10);
      }
  
      this.to = function (properties, duration) {
  
          if (duration !== undefined) {
              _duration = duration;
          }
  
          _valuesEnd = properties;
  
          return this;
  
      };
  
      this.start = function (time) {
  
          TWEEN.add(this);
  
          _isPlaying = true;
  
          _onStartCallbackFired = false;
  
          _startTime = time !== undefined ? time : window.performance.now();
          _startTime += _delayTime;
  
          for (var property in _valuesEnd) {
  
              // Check if an Array was provided as property value
              if (_valuesEnd[property] instanceof Array) {
  
                  if (_valuesEnd[property].length === 0) {
                      continue;
                  }
  
                  // Create a local copy of the Array with the start value at the front
                  _valuesEnd[property] = [_object[property]].concat(_valuesEnd[property]);
  
              }
  
              _valuesStart[property] = _object[property];
  
              if ((_valuesStart[property] instanceof Array) === false) {
                  _valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings
              }
  
              _valuesStartRepeat[property] = _valuesStart[property] || 0;
  
          }
  
          return this;
  
      };
  
      this.stop = function () {
  
          if (!_isPlaying) {
              return this;
          }
  
          TWEEN.remove(this);
          _isPlaying = false;
  
          if (_onStopCallback !== null) {
              _onStopCallback.call(_object);
          }
  
          this.stopChainedTweens();
          return this;
  
      };
  
      this.stopChainedTweens = function () {
  
          for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) {
              _chainedTweens[i].stop();
          }
  
      };
  
      this.delay = function (amount) {
  
          _delayTime = amount;
          return this;
  
      };
  
      this.repeat = function (times) {
  
          _repeat = times;
          return this;
  
      };
  
      this.yoyo = function (yoyo) {
  
          _yoyo = yoyo;
          return this;
  
      };
  
  
      this.easing = function (easing) {
  
          _easingFunction = easing;
          return this;
  
      };
  
      this.interpolation = function (interpolation) {
  
          _interpolationFunction = interpolation;
          return this;
  
      };
  
      this.chain = function () {
  
          _chainedTweens = arguments;
          return this;
  
      };
  
      this.onStart = function (callback) {
  
          _onStartCallback = callback;
          return this;
  
      };
  
      this.onUpdate = function (callback) {
  
          _onUpdateCallback = callback;
          return this;
  
      };
  
      this.onComplete = function (callback) {
  
          _onCompleteCallback = callback;
          return this;
  
      };
  
      this.onStop = function (callback) {
  
          _onStopCallback = callback;
          return this;
  
      };
  
      this.update = function (time) {
  
          var property;
          var elapsed;
          var value;
  
          if (time < _startTime) {
              return true;
          }
  
          if (_onStartCallbackFired === false) {
  
              if (_onStartCallback !== null) {
                  _onStartCallback.call(_object);
              }
  
              _onStartCallbackFired = true;
  
          }
  
          elapsed = (time - _startTime) / _duration;
          elapsed = elapsed > 1 ? 1 : elapsed;
  
          value = _easingFunction(elapsed);
  
          for (property in _valuesEnd) {
  
              var start = _valuesStart[property] || 0;
              var end = _valuesEnd[property];
  
              if (end instanceof Array) {
  
                  _object[property] = _interpolationFunction(end, value);
  
              } else {
  
                  // Parses relative end values with start as base (e.g.: +10, -3)
                  if (typeof (end) === 'string') {
                      end = start + parseFloat(end, 10);
                  }
  
                  // Protect against non numeric properties.
                  if (typeof (end) === 'number') {
                      _object[property] = start + (end - start) * value;
                  }
  
              }
  
          }
  
          if (_onUpdateCallback !== null) {
              _onUpdateCallback.call(_object, value);
          }
  
          if (elapsed === 1) {
  
              if (_repeat > 0) {
  
                  if (isFinite(_repeat)) {
                      _repeat--;
                  }
  
                  // Reassign starting values, restart by making startTime = now
                  for (property in _valuesStartRepeat) {
  
                      if (typeof (_valuesEnd[property]) === 'string') {
                          _valuesStartRepeat[property] = _valuesStartRepeat[property] + parseFloat(_valuesEnd[property], 10);
                      }
  
                      if (_yoyo) {
                          var tmp = _valuesStartRepeat[property];
  
                          _valuesStartRepeat[property] = _valuesEnd[property];
                          _valuesEnd[property] = tmp;
                      }
  
                      _valuesStart[property] = _valuesStartRepeat[property];
  
                  }
  
                  if (_yoyo) {
                      _reversed = !_reversed;
                  }
  
                  _startTime = time + _delayTime;
  
                  return true;
  
              } else {
  
                  if (_onCompleteCallback !== null) {
                      _onCompleteCallback.call(_object);
                  }
  
                  for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) {
                      // Make the chained tweens start exactly at the time they should,
                      // even if the `update()` method was called way past the duration of the tween
                      _chainedTweens[i].start(_startTime + _duration);
                  }
  
                  return false;
  
              }
  
          }
  
          return true;
  
      };
  
  };
  
  
  TWEEN.Easing = {
  
      Linear: {
  
          None: function (k) {
  
              return k;
  
          }
  
      },
  
      Quadratic: {
  
          In: function (k) {
  
              return k * k;
  
          },
  
          Out: function (k) {
  
              return k * (2 - k);
  
          },
  
          InOut: function (k) {
  
              if ((k *= 2) < 1) {
                  return 0.5 * k * k;
              }
  
              return - 0.5 * (--k * (k - 2) - 1);
  
          }
  
      },
  
      Cubic: {
  
          In: function (k) {
  
              return k * k * k;
  
          },
  
          Out: function (k) {
  
              return --k * k * k + 1;
  
          },
  
          InOut: function (k) {
  
              if ((k *= 2) < 1) {
                  return 0.5 * k * k * k;
              }
  
              return 0.5 * ((k -= 2) * k * k + 2);
  
          }
  
      },
  
      Quartic: {
  
          In: function (k) {
  
              return k * k * k * k;
  
          },
  
          Out: function (k) {
  
              return 1 - (--k * k * k * k);
  
          },
  
          InOut: function (k) {
  
              if ((k *= 2) < 1) {
                  return 0.5 * k * k * k * k;
              }
  
              return - 0.5 * ((k -= 2) * k * k * k - 2);
  
          }
  
      },
  
      Quintic: {
  
          In: function (k) {
  
              return k * k * k * k * k;
  
          },
  
          Out: function (k) {
  
              return --k * k * k * k * k + 1;
  
          },
  
          InOut: function (k) {
  
              if ((k *= 2) < 1) {
                  return 0.5 * k * k * k * k * k;
              }
  
              return 0.5 * ((k -= 2) * k * k * k * k + 2);
  
          }
  
      },
  
      Sinusoidal: {
  
          In: function (k) {
  
              return 1 - Math.cos(k * Math.PI / 2);
  
          },
  
          Out: function (k) {
  
              return Math.sin(k * Math.PI / 2);
  
          },
  
          InOut: function (k) {
  
              return 0.5 * (1 - Math.cos(Math.PI * k));
  
          }
  
      },
  
      Exponential: {
  
          In: function (k) {
  
              return k === 0 ? 0 : Math.pow(1024, k - 1);
  
          },
  
          Out: function (k) {
  
              return k === 1 ? 1 : 1 - Math.pow(2, - 10 * k);
  
          },
  
          InOut: function (k) {
  
              if (k === 0) {
                  return 0;
              }
  
              if (k === 1) {
                  return 1;
              }
  
              if ((k *= 2) < 1) {
                  return 0.5 * Math.pow(1024, k - 1);
              }
  
              return 0.5 * (- Math.pow(2, - 10 * (k - 1)) + 2);
  
          }
  
      },
  
      Circular: {
  
          In: function (k) {
  
              return 1 - Math.sqrt(1 - k * k);
  
          },
  
          Out: function (k) {
  
              return Math.sqrt(1 - (--k * k));
  
          },
  
          InOut: function (k) {
  
              if ((k *= 2) < 1) {
                  return - 0.5 * (Math.sqrt(1 - k * k) - 1);
              }
  
              return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1);
  
          }
  
      },
  
      Elastic: {
  
          In: function (k) {
  
              var s;
              var a = 0.1;
              var p = 0.4;
  
              if (k === 0) {
                  return 0;
              }
  
              if (k === 1) {
                  return 1;
              }
  
              if (!a || a < 1) {
                  a = 1;
                  s = p / 4;
              } else {
                  s = p * Math.asin(1 / a) / (2 * Math.PI);
              }
  
              return - (a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
  
          },
  
          Out: function (k) {
  
              var s;
              var a = 0.1;
              var p = 0.4;
  
              if (k === 0) {
                  return 0;
              }
  
              if (k === 1) {
                  return 1;
              }
  
              if (!a || a < 1) {
                  a = 1;
                  s = p / 4;
              } else {
                  s = p * Math.asin(1 / a) / (2 * Math.PI);
              }
  
              return (a * Math.pow(2, - 10 * k) * Math.sin((k - s) * (2 * Math.PI) / p) + 1);
  
          },
  
          InOut: function (k) {
  
              var s;
              var a = 0.1;
              var p = 0.4;
  
              if (k === 0) {
                  return 0;
              }
  
              if (k === 1) {
                  return 1;
              }
  
              if (!a || a < 1) {
                  a = 1;
                  s = p / 4;
              } else {
                  s = p * Math.asin(1 / a) / (2 * Math.PI);
              }
  
              if ((k *= 2) < 1) {
                  return - 0.5 * (a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
              }
  
              return a * Math.pow(2, -10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p) * 0.5 + 1;
  
          }
  
      },
  
      Back: {
  
          In: function (k) {
  
              var s = 1.70158;
  
              return k * k * ((s + 1) * k - s);
  
          },
  
          Out: function (k) {
  
              var s = 1.70158;
  
              return --k * k * ((s + 1) * k + s) + 1;
  
          },
  
          InOut: function (k) {
  
              var s = 1.70158 * 1.525;
  
              if ((k *= 2) < 1) {
                  return 0.5 * (k * k * ((s + 1) * k - s));
              }
  
              return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2);
  
          }
  
      },
  
      Bounce: {
  
          In: function (k) {
  
              return 1 - TWEEN.Easing.Bounce.Out(1 - k);
  
          },
  
          Out: function (k) {
  
              if (k < (1 / 2.75)) {
                  return 7.5625 * k * k;
              } else if (k < (2 / 2.75)) {
                  return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75;
              } else if (k < (2.5 / 2.75)) {
                  return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375;
              } else {
                  return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375;
              }
  
          },
  
          InOut: function (k) {
  
              if (k < 0.5) {
                  return TWEEN.Easing.Bounce.In(k * 2) * 0.5;
              }
  
              return TWEEN.Easing.Bounce.Out(k * 2 - 1) * 0.5 + 0.5;
  
          }
  
      }
  
  };
  
  TWEEN.Interpolation = {
  
      Linear: function (v, k) {
  
          var m = v.length - 1;
          var f = m * k;
          var i = Math.floor(f);
          var fn = TWEEN.Interpolation.Utils.Linear;
  
          if (k < 0) {
              return fn(v[0], v[1], f);
          }
  
          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;
          var n = v.length - 1;
          var pw = Math.pow;
          var bn = TWEEN.Interpolation.Utils.Bernstein;
  
          for (var 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;
          var f = m * k;
          var i = Math.floor(f);
          var 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;
  
                  if (a[n]) {
                      return a[n];
                  }
  
                  for (var i = n; i > 1; i--) {
                      s *= i;
                  }
  
                  a[n] = s;
                  return s;
  
              };
  
          })(),
  
          CatmullRom: function (p0, p1, p2, p3, t) {
  
              var v0 = (p2 - p0) * 0.5;
              var v1 = (p3 - p1) * 0.5;
              var t2 = t * t;
              var t3 = t * t2;
  
              return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (- 3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1;
  
          }
  
      }
  
  };
  
  // UMD (Universal Module Definition)
  (function (root) {
  
      if (typeof define === 'function' && define.amd) {
  
          // AMD
          define([], function () {
              return TWEEN;
          });
  
      } else if (typeof exports === 'object') {
  
          // Node.js
          module.exports = TWEEN;
  
      } else {
  
          // Global variable
          root.TWEEN = TWEEN;
  
      }
  
  })(this);
  
  loadTween = function(){
      return TWEEN
  }