diff --git a/Tween.js b/Tween.js
new file mode 100644
index 0000000..6a03c24
--- /dev/null
+++ b/Tween.js
@@ -0,0 +1,964 @@
+/**
+ * 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!
+ */
+
+
+var _Group = function () {
+	this._tweens = {};
+	this._tweensAddedDuringUpdate = {};
+};
+
+_Group.prototype = {
+	getAll: function () {
+
+		return Object.keys(this._tweens).map(function (tweenId) {
+			return this._tweens[tweenId];
+		}.bind(this));
+
+	},
+
+	removeAll: function () {
+
+		this._tweens = {};
+
+	},
+
+	add: function (tween) {
+
+		this._tweens[tween.getId()] = tween;
+		this._tweensAddedDuringUpdate[tween.getId()] = tween;
+
+	},
+
+	remove: function (tween) {
+
+		delete this._tweens[tween.getId()];
+		delete this._tweensAddedDuringUpdate[tween.getId()];
+
+	},
+
+	update: function (time, preserve) {
+
+		var tweenIds = Object.keys(this._tweens);
+
+		if (tweenIds.length === 0) {
+			return false;
+		}
+
+		time = time !== undefined ? time : TWEEN.now();
+
+		// Tweens are updated in "batches". If you add a new tween during an
+		// update, then the new tween will be updated in the next batch.
+		// If you remove a tween during an update, it may or may not be updated.
+		// However, if the removed tween was added during the current batch,
+		// then it will not be updated.
+		while (tweenIds.length > 0) {
+			this._tweensAddedDuringUpdate = {};
+
+			for (var i = 0; i < tweenIds.length; i++) {
+
+				var tween = this._tweens[tweenIds[i]];
+
+				if (tween && tween.update(time) === false) {
+					tween._isPlaying = false;
+
+					if (!preserve) {
+						delete this._tweens[tweenIds[i]];
+					}
+				}
+			}
+
+			tweenIds = Object.keys(this._tweensAddedDuringUpdate);
+		}
+
+		return true;
+
+	}
+};
+
+var TWEEN = new _Group();
+
+TWEEN.Group = _Group;
+TWEEN._nextId = 0;
+TWEEN.nextId = function () {
+	return TWEEN._nextId++;
+};
+
+
+// Include a performance.now polyfill.
+// In node.js, use process.hrtime.
+if (typeof (self) === 'undefined' && typeof (process) !== 'undefined' && process.hrtime) {
+	TWEEN.now = function () {
+		var time = process.hrtime();
+
+		// Convert [seconds, nanoseconds] to milliseconds.
+		return time[0] * 1000 + time[1] / 1000000;
+	};
+}
+// In a browser, use self.performance.now if it is available.
+else if (typeof (self) !== 'undefined' &&
+         self.performance !== undefined &&
+		 self.performance.now !== undefined) {
+	// This must be bound, because directly assigning this function
+	// leads to an invocation exception in Chrome.
+	TWEEN.now = self.performance.now.bind(self.performance);
+}
+// Use Date.now if it is available.
+else if (Date.now !== undefined) {
+	TWEEN.now = Date.now;
+}
+// Otherwise, use 'new Date().getTime()'.
+else {
+	TWEEN.now = function () {
+		return new Date().getTime();
+	};
+}
+
+
+TWEEN.Tween = function (object, group) {
+	this._isPaused = false;
+	this._pauseStart = null;
+	this._object = object;
+	this._valuesStart = {};
+	this._valuesEnd = {};
+	this._valuesStartRepeat = {};
+	this._duration = 1000;
+	this._repeat = 0;
+	this._repeatDelayTime = undefined;
+	this._yoyo = false;
+	this._isPlaying = false;
+	this._reversed = false;
+	this._delayTime = 0;
+	this._startTime = null;
+	this._easingFunction = TWEEN.Easing.Linear.None;
+	this._interpolationFunction = TWEEN.Interpolation.Linear;
+	this._chainedTweens = [];
+	this._onStartCallback = null;
+	this._onStartCallbackFired = false;
+	this._onUpdateCallback = null;
+	this._onRepeatCallback = null;
+	this._onCompleteCallback = null;
+	this._onStopCallback = null;
+	this._group = group || TWEEN;
+	this._id = TWEEN.nextId();
+
+};
+
+TWEEN.Tween.prototype = {
+	getId: function () {
+		return this._id;
+	},
+
+	isPlaying: function () {
+		return this._isPlaying;
+	},
+
+	isPaused: function () {
+		return this._isPaused;
+	},
+
+	to: function (properties, duration) {
+
+		this._valuesEnd = Object.create(properties);
+
+		if (duration !== undefined) {
+			this._duration = duration;
+		}
+
+		return this;
+
+	},
+
+	duration: function duration(d) {
+		this._duration = d;
+		return this;
+	},
+
+	start: function (time) {
+
+		this._group.add(this);
+
+		this._isPlaying = true;
+
+		this._isPaused = false;
+
+		this._onStartCallbackFired = false;
+
+		this._startTime = time !== undefined ? typeof time === 'string' ? TWEEN.now() + parseFloat(time) : time : TWEEN.now();
+		this._startTime += this._delayTime;
+
+		for (var property in this._valuesEnd) {
+
+			// Check if an Array was provided as property value
+			if (this._valuesEnd[property] instanceof Array) {
+
+				if (this._valuesEnd[property].length === 0) {
+					continue;
+				}
+
+				// Create a local copy of the Array with the start value at the front
+				this._valuesEnd[property] = [this._object[property]].concat(this._valuesEnd[property]);
+
+			}
+
+			// If `to()` specifies a property that doesn't exist in the source object,
+			// we should not set that property in the object
+			if (this._object[property] === undefined) {
+				continue;
+			}
+
+			// Save the starting value, but only once.
+			if (typeof(this._valuesStart[property]) === 'undefined') {
+				this._valuesStart[property] = this._object[property];
+			}
+
+			if ((this._valuesStart[property] instanceof Array) === false) {
+				this._valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings
+			}
+
+			this._valuesStartRepeat[property] = this._valuesStart[property] || 0;
+
+		}
+
+		return this;
+
+	},
+
+	stop: function () {
+
+		if (!this._isPlaying) {
+			return this;
+		}
+
+		this._group.remove(this);
+
+		this._isPlaying = false;
+
+		this._isPaused = false;
+
+		if (this._onStopCallback !== null) {
+			this._onStopCallback(this._object);
+		}
+
+		this.stopChainedTweens();
+		return this;
+
+	},
+
+	end: function () {
+
+		this.update(Infinity);
+		return this;
+
+	},
+
+	pause: function(time) {
+
+		if (this._isPaused || !this._isPlaying) {
+			return this;
+		}
+
+		this._isPaused = true;
+
+		this._pauseStart = time === undefined ? TWEEN.now() : time;
+
+		this._group.remove(this);
+
+		return this;
+
+	},
+
+	resume: function(time) {
+
+		if (!this._isPaused || !this._isPlaying) {
+			return this;
+		}
+
+		this._isPaused = false;
+
+		this._startTime += (time === undefined ? TWEEN.now() : time)
+			- this._pauseStart;
+
+		this._pauseStart = 0;
+
+		this._group.add(this);
+
+		return this;
+
+	},
+
+	stopChainedTweens: function () {
+
+		for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {
+			this._chainedTweens[i].stop();
+		}
+
+	},
+
+	group: function (group) {
+		this._group = group;
+		return this;
+	},
+
+	delay: function (amount) {
+
+		this._delayTime = amount;
+		return this;
+
+	},
+
+	repeat: function (times) {
+
+		this._repeat = times;
+		return this;
+
+	},
+
+	repeatDelay: function (amount) {
+
+		this._repeatDelayTime = amount;
+		return this;
+
+	},
+
+	yoyo: function (yoyo) {
+
+		this._yoyo = yoyo;
+		return this;
+
+	},
+
+	easing: function (easingFunction) {
+
+		this._easingFunction = easingFunction;
+		return this;
+
+	},
+
+	interpolation: function (interpolationFunction) {
+
+		this._interpolationFunction = interpolationFunction;
+		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;
+
+	},
+
+	onRepeat: function onRepeat(callback) {
+
+		this._onRepeatCallback = callback;
+		return this;
+
+	},
+
+	onComplete: function (callback) {
+
+		this._onCompleteCallback = callback;
+		return this;
+
+	},
+
+	onStop: function (callback) {
+
+		this._onStopCallback = callback;
+		return this;
+
+	},
+
+	update: function (time) {
+
+		var property;
+		var elapsed;
+		var value;
+
+		if (time < this._startTime) {
+			return true;
+		}
+
+		if (this._onStartCallbackFired === false) {
+
+			if (this._onStartCallback !== null) {
+				this._onStartCallback(this._object);
+			}
+
+			this._onStartCallbackFired = true;
+		}
+
+		elapsed = (time - this._startTime) / this._duration;
+		elapsed = (this._duration === 0 || elapsed > 1) ? 1 : elapsed;
+
+		value = this._easingFunction(elapsed);
+
+		for (property in this._valuesEnd) {
+
+			// Don't update properties that do not exist in the source object
+			if (this._valuesStart[property] === undefined) {
+				continue;
+			}
+
+			var start = this._valuesStart[property] || 0;
+			var end = this._valuesEnd[property];
+
+			if (end instanceof Array) {
+
+				this._object[property] = this._interpolationFunction(end, value);
+
+			} else {
+
+				// Parses relative end values with start as base (e.g.: +10, -3)
+				if (typeof (end) === 'string') {
+
+					if (end.charAt(0) === '+' || end.charAt(0) === '-') {
+						end = start + parseFloat(end);
+					} else {
+						end = parseFloat(end);
+					}
+				}
+
+				// Protect against non numeric properties.
+				if (typeof (end) === 'number') {
+					this._object[property] = start + (end - start) * value;
+				}
+
+			}
+
+		}
+
+		if (this._onUpdateCallback !== null) {
+			this._onUpdateCallback(this._object, elapsed);
+		}
+
+		if (elapsed === 1) {
+
+			if (this._repeat > 0) {
+
+				if (isFinite(this._repeat)) {
+					this._repeat--;
+				}
+
+				// Reassign starting values, restart by making startTime = now
+				for (property in this._valuesStartRepeat) {
+
+					if (typeof (this._valuesEnd[property]) === 'string') {
+						this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property]);
+					}
+
+					if (this._yoyo) {
+						var tmp = this._valuesStartRepeat[property];
+
+						this._valuesStartRepeat[property] = this._valuesEnd[property];
+						this._valuesEnd[property] = tmp;
+					}
+
+					this._valuesStart[property] = this._valuesStartRepeat[property];
+
+				}
+
+				if (this._yoyo) {
+					this._reversed = !this._reversed;
+				}
+
+				if (this._repeatDelayTime !== undefined) {
+					this._startTime = time + this._repeatDelayTime;
+				} else {
+					this._startTime = time + this._delayTime;
+				}
+
+				if (this._onRepeatCallback !== null) {
+					this._onRepeatCallback(this._object);
+				}
+
+				return true;
+
+			} else {
+
+				if (this._onCompleteCallback !== null) {
+
+					this._onCompleteCallback(this._object);
+				}
+
+				for (var i = 0, numChainedTweens = this._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
+					this._chainedTweens[i].start(this._startTime + this._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) {
+
+			if (k === 0) {
+				return 0;
+			}
+
+			if (k === 1) {
+				return 1;
+			}
+
+			return -Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
+
+		},
+
+		Out: function (k) {
+
+			if (k === 0) {
+				return 0;
+			}
+
+			if (k === 1) {
+				return 1;
+			}
+
+			return Math.pow(2, -10 * k) * Math.sin((k - 0.1) * 5 * Math.PI) + 1;
+
+		},
+
+		InOut: function (k) {
+
+			if (k === 0) {
+				return 0;
+			}
+
+			if (k === 1) {
+				return 1;
+			}
+
+			k *= 2;
+
+			if (k < 1) {
+				return -0.5 * Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
+			}
+
+			return 0.5 * Math.pow(2, -10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI) + 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;
+
+		}
+
+	}
+
+};
+
+import {version} from '../.temp.version.js';
+TWEEN.version = version;
+
+export default TWEEN;