1 files changed, 741 insertions, 0 deletions
diff --git a/public/assets/javascripts/vendor/tween.js b/public/assets/javascripts/vendor/tween.js
new file mode 100644
index 0000000..b246ead
--- /dev/null
+++ b/public/assets/javascripts/vendor/tween.js
@@ -0,0 +1,741 @@
+/**
+ * @author sole / http://soledadpenades.com
+ * @author mrdoob / http://mrdoob.com
+ * @author Robert Eisele / http://www.xarg.org
+ * @author Philippe / http://philippe.elsass.me
+ * @author Robert Penner / http://www.robertpenner.com/easing_terms_of_use.html
+ * @author Paul Lewis / http://www.aerotwist.com/
+ * @author lechecacharro
+ * @author Josh Faul / http://jocafa.com/
+ * @author egraether / http://egraether.com/
+ * @author endel / http://endel.me
+ * @author Ben Delarre / http://delarre.net
+ */
+
+// Date.now shim for (ahem) Internet Explo(d|r)er
+if ( Date.now === undefined ) {
+
+	Date.now = function () {
+
+		return new Date().valueOf();
+
+	};
+
+}
+
+var TWEEN = TWEEN || ( function () {
+
+	var _tweens = [];
+
+	return {
+
+		REVISION: '12',
+
+		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 : ( typeof window !== 'undefined' && window.performance !== undefined && window.performance.now !== undefined ? window.performance.now() : Date.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;
+
+	// 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 : ( typeof window !== 'undefined' && window.performance !== undefined && window.performance.now !== undefined ? window.performance.now() : Date.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;
+		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.update = function ( time ) {
+
+		var property;
+
+		if ( time < _startTime ) {
+
+			return true;
+
+		}
+
+		if ( _onStartCallbackFired === false ) {
+
+			if ( _onStartCallback !== null ) {
+
+				_onStartCallback.call( _object );
+
+			}
+
+			_onStartCallbackFired = true;
+
+		}
+
+		var elapsed = ( time - _startTime ) / _duration;
+		elapsed = elapsed > 1 ? 1 : elapsed;
+
+		var 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;
+						_reversed = !_reversed;
+					}
+					_valuesStart[ property ] = _valuesStartRepeat[ property ];
+
+				}
+
+				_startTime = time + _delayTime;
+
+				return true;
+
+			} else {
+
+				if ( _onCompleteCallback !== null ) {
+
+					_onCompleteCallback.call( _object );
+
+				}
+
+				for ( var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++ ) {
+
+					_chainedTweens[ i ].start( time );
+
+				}
+
+				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, a = 0.1, 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, a = 0.1, 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, a = 0.1, 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, f = m * k, i = Math.floor( f ), 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, 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;
+
+		}
+
+	}
+
+};