(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Parallax = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/

'use strict';
/* eslint-disable no-unused-vars */
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;

function toObject(val) {
	if (val === null || val === undefined) {
		throw new TypeError('Object.assign cannot be called with null or undefined');
	}

	return Object(val);
}

function shouldUseNative() {
	try {
		if (!Object.assign) {
			return false;
		}

		// Detect buggy property enumeration order in older V8 versions.

		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
		var test1 = new String('abc');  // eslint-disable-line no-new-wrappers
		test1[5] = 'de';
		if (Object.getOwnPropertyNames(test1)[0] === '5') {
			return false;
		}

		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
		var test2 = {};
		for (var i = 0; i < 10; i++) {
			test2['_' + String.fromCharCode(i)] = i;
		}
		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
			return test2[n];
		});
		if (order2.join('') !== '0123456789') {
			return false;
		}

		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
		var test3 = {};
		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
			test3[letter] = letter;
		});
		if (Object.keys(Object.assign({}, test3)).join('') !==
				'abcdefghijklmnopqrst') {
			return false;
		}

		return true;
	} catch (err) {
		// We don't expect any of the above to throw, but better to be safe.
		return false;
	}
}

module.exports = shouldUseNative() ? Object.assign : function (target, source) {
	var from;
	var to = toObject(target);
	var symbols;

	for (var s = 1; s < arguments.length; s++) {
		from = Object(arguments[s]);

		for (var key in from) {
			if (hasOwnProperty.call(from, key)) {
				to[key] = from[key];
			}
		}

		if (getOwnPropertySymbols) {
			symbols = getOwnPropertySymbols(from);
			for (var i = 0; i < symbols.length; i++) {
				if (propIsEnumerable.call(from, symbols[i])) {
					to[symbols[i]] = from[symbols[i]];
				}
			}
		}
	}

	return to;
};

},{}],2:[function(require,module,exports){
(function (process){
// Generated by CoffeeScript 1.12.2
(function() {
  var getNanoSeconds, hrtime, loadTime, moduleLoadTime, nodeLoadTime, upTime;

  if ((typeof performance !== "undefined" && performance !== null) && performance.now) {
    module.exports = function() {
      return performance.now();
    };
  } else if ((typeof process !== "undefined" && process !== null) && process.hrtime) {
    module.exports = function() {
      return (getNanoSeconds() - nodeLoadTime) / 1e6;
    };
    hrtime = process.hrtime;
    getNanoSeconds = function() {
      var hr;
      hr = hrtime();
      return hr[0] * 1e9 + hr[1];
    };
    moduleLoadTime = getNanoSeconds();
    upTime = process.uptime() * 1e9;
    nodeLoadTime = moduleLoadTime - upTime;
  } else if (Date.now) {
    module.exports = function() {
      return Date.now() - loadTime;
    };
    loadTime = Date.now();
  } else {
    module.exports = function() {
      return new Date().getTime() - loadTime;
    };
    loadTime = new Date().getTime();
  }

}).call(this);



}).call(this,require('_process'))

},{"_process":3}],3:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],4:[function(require,module,exports){
(function (global){
var now = require('performance-now')
  , root = typeof window === 'undefined' ? global : window
  , vendors = ['moz', 'webkit']
  , suffix = 'AnimationFrame'
  , raf = root['request' + suffix]
  , caf = root['cancel' + suffix] || root['cancelRequest' + suffix]

for(var i = 0; !raf && i < vendors.length; i++) {
  raf = root[vendors[i] + 'Request' + suffix]
  caf = root[vendors[i] + 'Cancel' + suffix]
      || root[vendors[i] + 'CancelRequest' + suffix]
}

// Some versions of FF have rAF but not cAF
if(!raf || !caf) {
  var last = 0
    , id = 0
    , queue = []
    , frameDuration = 1000 / 60

  raf = function(callback) {
    if(queue.length === 0) {
      var _now = now()
        , next = Math.max(0, frameDuration - (_now - last))
      last = next + _now
      setTimeout(function() {
        var cp = queue.slice(0)
        // Clear queue here to prevent
        // callbacks from appending listeners
        // to the current frame's queue
        queue.length = 0
        for(var i = 0; i < cp.length; i++) {
          if(!cp[i].cancelled) {
            try{
              cp[i].callback(last)
            } catch(e) {
              setTimeout(function() { throw e }, 0)
            }
          }
        }
      }, Math.round(next))
    }
    queue.push({
      handle: ++id,
      callback: callback,
      cancelled: false
    })
    return id
  }

  caf = function(handle) {
    for(var i = 0; i < queue.length; i++) {
      if(queue[i].handle === handle) {
        queue[i].cancelled = true
      }
    }
  }
}

module.exports = function(fn) {
  // Wrap in a new function to prevent
  // `cancel` potentially being assigned
  // to the native rAF function
  return raf.call(root, fn)
}
module.exports.cancel = function() {
  caf.apply(root, arguments)
}
module.exports.polyfill = function() {
  root.requestAnimationFrame = raf
  root.cancelAnimationFrame = caf
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})

},{"performance-now":2}],5:[function(require,module,exports){
'use strict';

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
* Parallax.js
* @author Matthew Wagerfield - @wagerfield, René Roth - mail@reneroth.org
* @description Creates a parallax effect between an array of layers,
*              driving the motion from the gyroscope output of a smartdevice.
*              If no gyroscope is available, the cursor position is used.
*/

var rqAnFr = require('raf');
var objectAssign = require('object-assign');

var helpers = {
  propertyCache: {},
  vendors: [null, ['-webkit-', 'webkit'], ['-moz-', 'Moz'], ['-o-', 'O'], ['-ms-', 'ms']],

  clamp: function clamp(value, min, max) {
    return min < max ? value < min ? min : value > max ? max : value : value < max ? max : value > min ? min : value;
  },
  data: function data(element, name) {
    return helpers.deserialize(element.getAttribute('data-' + name));
  },
  deserialize: function deserialize(value) {
    if (value === 'true') {
      return true;
    } else if (value === 'false') {
      return false;
    } else if (value === 'null') {
      return null;
    } else if (!isNaN(parseFloat(value)) && isFinite(value)) {
      return parseFloat(value);
    } else {
      return value;
    }
  },
  camelCase: function camelCase(value) {
    return value.replace(/-+(.)?/g, function (match, character) {
      return character ? character.toUpperCase() : '';
    });
  },
  accelerate: function accelerate(element) {
    helpers.css(element, 'transform', 'translate3d(0,0,0) rotate(0.0001deg)');
    helpers.css(element, 'transform-style', 'preserve-3d');
    helpers.css(element, 'backface-visibility', 'hidden');
  },
  transformSupport: function transformSupport(value) {
    var element = document.createElement('div'),
        propertySupport = false,
        propertyValue = null,
        featureSupport = false,
        cssProperty = null,
        jsProperty = null;
    for (var i = 0, l = helpers.vendors.length; i < l; i++) {
      if (helpers.vendors[i] !== null) {
        cssProperty = helpers.vendors[i][0] + 'transform';
        jsProperty = helpers.vendors[i][1] + 'Transform';
      } else {
        cssProperty = 'transform';
        jsProperty = 'transform';
      }
      if (element.style[jsProperty] !== undefined) {
        propertySupport = true;
        break;
      }
    }
    switch (value) {
      case '2D':
        featureSupport = propertySupport;
        break;
      case '3D':
        if (propertySupport) {
          var body = document.body || document.createElement('body'),
              documentElement = document.documentElement,
              documentOverflow = documentElement.style.overflow,
              isCreatedBody = false;

          if (!document.body) {
            isCreatedBody = true;
            documentElement.style.overflow = 'hidden';
            documentElement.appendChild(body);
            body.style.overflow = 'hidden';
            body.style.background = '';
          }

          body.appendChild(element);
          element.style[jsProperty] = 'translate3d(1px,1px,1px)';
          propertyValue = window.getComputedStyle(element).getPropertyValue(cssProperty);
          featureSupport = propertyValue !== undefined && propertyValue.length > 0 && propertyValue !== 'none';
          documentElement.style.overflow = documentOverflow;
          body.removeChild(element);

          if (isCreatedBody) {
            body.removeAttribute('style');
            body.parentNode.removeChild(body);
          }
        }
        break;
    }
    return featureSupport;
  },
  css: function css(element, property, value) {
    var jsProperty = helpers.propertyCache[property];
    if (!jsProperty) {
      for (var i = 0, l = helpers.vendors.length; i < l; i++) {
        if (helpers.vendors[i] !== null) {
          jsProperty = helpers.camelCase(helpers.vendors[i][1] + '-' + property);
        } else {
          jsProperty = property;
        }
        if (element.style[jsProperty] !== undefined) {
          helpers.propertyCache[property] = jsProperty;
          break;
        }
      }
    }
    element.style[jsProperty] = value;
  }
};

var MAGIC_NUMBER = 30,
    DEFAULTS = {
  relativeInput: false,
  clipRelativeInput: false,
  inputElement: null,
  hoverOnly: false,
  calibrationThreshold: 100,
  calibrationDelay: 500,
  supportDelay: 500,
  calibrateX: false,
  calibrateY: true,
  invertX: true,
  invertY: true,
  limitX: false,
  limitY: false,
  scalarX: 10.0,
  scalarY: 10.0,
  frictionX: 0.1,
  frictionY: 0.1,
  originX: 0.5,
  originY: 0.5,
  pointerEvents: false,
  precision: 1,
  onReady: null,
  selector: null
};

var Parallax = function () {
  function Parallax(element, options) {
    _classCallCheck(this, Parallax);

    this.element = element;

    var data = {
      calibrateX: helpers.data(this.element, 'calibrate-x'),
      calibrateY: helpers.data(this.element, 'calibrate-y'),
      invertX: helpers.data(this.element, 'invert-x'),
      invertY: helpers.data(this.element, 'invert-y'),
      limitX: helpers.data(this.element, 'limit-x'),
      limitY: helpers.data(this.element, 'limit-y'),
      scalarX: helpers.data(this.element, 'scalar-x'),
      scalarY: helpers.data(this.element, 'scalar-y'),
      frictionX: helpers.data(this.element, 'friction-x'),
      frictionY: helpers.data(this.element, 'friction-y'),
      originX: helpers.data(this.element, 'origin-x'),
      originY: helpers.data(this.element, 'origin-y'),
      pointerEvents: helpers.data(this.element, 'pointer-events'),
      precision: helpers.data(this.element, 'precision'),
      relativeInput: helpers.data(this.element, 'relative-input'),
      clipRelativeInput: helpers.data(this.element, 'clip-relative-input'),
      hoverOnly: helpers.data(this.element, 'hover-only'),
      inputElement: document.querySelector(helpers.data(this.element, 'input-element')),
      selector: helpers.data(this.element, 'selector')
    };

    for (var key in data) {
      if (data[key] === null) {
        delete data[key];
      }
    }

    objectAssign(this, DEFAULTS, data, options);

    if (!this.inputElement) {
      this.inputElement = this.element;
    }

    this.calibrationTimer = null;
    this.calibrationFlag = true;
    this.enabled = false;
    this.depthsX = [];
    this.depthsY = [];
    this.raf = null;

    this.bounds = null;
    this.elementPositionX = 0;
    this.elementPositionY = 0;
    this.elementWidth = 0;
    this.elementHeight = 0;

    this.elementCenterX = 0;
    this.elementCenterY = 0;

    this.elementRangeX = 0;
    this.elementRangeY = 0;

    this.calibrationX = 0;
    this.calibrationY = 0;

    this.inputX = 0;
    this.inputY = 0;

    this.motionX = 0;
    this.motionY = 0;

    this.velocityX = 0;
    this.velocityY = 0;

    this.onMouseMove = this.onMouseMove.bind(this);
    this.onDeviceOrientation = this.onDeviceOrientation.bind(this);
    this.onDeviceMotion = this.onDeviceMotion.bind(this);
    this.onOrientationTimer = this.onOrientationTimer.bind(this);
    this.onMotionTimer = this.onMotionTimer.bind(this);
    this.onCalibrationTimer = this.onCalibrationTimer.bind(this);
    this.onAnimationFrame = this.onAnimationFrame.bind(this);
    this.onWindowResize = this.onWindowResize.bind(this);

    this.windowWidth = null;
    this.windowHeight = null;
    this.windowCenterX = null;
    this.windowCenterY = null;
    this.windowRadiusX = null;
    this.windowRadiusY = null;
    this.portrait = false;
    this.desktop = !navigator.userAgent.match(/(iPhone|iPod|iPad|Android|BlackBerry|BB10|mobi|tablet|opera mini|nexus 7)/i);
    this.motionSupport = !!window.DeviceMotionEvent && !this.desktop;
    this.orientationSupport = !!window.DeviceOrientationEvent && !this.desktop;
    this.orientationStatus = 0;
    this.motionStatus = 0;

    this.initialise();
  }

  _createClass(Parallax, [{
    key: 'initialise',
    value: function initialise() {
      if (this.transform2DSupport === undefined) {
        this.transform2DSupport = helpers.transformSupport('2D');
        this.transform3DSupport = helpers.transformSupport('3D');
      }

      // Configure Context Styles
      if (this.transform3DSupport) {
        helpers.accelerate(this.element);
      }

      var style = window.getComputedStyle(this.element);
      if (style.getPropertyValue('position') === 'static') {
        this.element.style.position = 'relative';
      }

      // Pointer events
      if (!this.pointerEvents) {
        this.element.style.pointerEvents = 'none';
      }

      // Setup
      this.updateLayers();
      this.updateDimensions();
      this.enable();
      this.queueCalibration(this.calibrationDelay);
    }
  }, {
    key: 'doReadyCallback',
    value: function doReadyCallback() {
      if (this.onReady) {
        this.onReady();
      }
    }
  }, {
    key: 'updateLayers',
    value: function updateLayers() {
      if (this.selector) {
        this.layers = this.element.querySelectorAll(this.selector);
      } else {
        this.layers = this.element.children;
      }

      if (!this.layers.length) {
        console.warn('ParallaxJS: Your scene does not have any layers.');
      }

      this.depthsX = [];
      this.depthsY = [];

      for (var index = 0; index < this.layers.length; index++) {
        var layer = this.layers[index];

        if (this.transform3DSupport) {
          helpers.accelerate(layer);
        }

        layer.style.position = index ? 'absolute' : 'relative';
        layer.style.display = 'block';
        layer.style.left = 0;
        layer.style.top = 0;

        var depth = helpers.data(layer, 'depth') || 0;
        this.depthsX.push(helpers.data(layer, 'depth-x') || depth);
        this.depthsY.push(helpers.data(layer, 'depth-y') || depth);
      }
    }
  }, {
    key: 'updateDimensions',
    value: function updateDimensions() {
      this.windowWidth = window.innerWidth;
      this.windowHeight = window.innerHeight;
      this.windowCenterX = this.windowWidth * this.originX;
      this.windowCenterY = this.windowHeight * this.originY;
      this.windowRadiusX = Math.max(this.windowCenterX, this.windowWidth - this.windowCenterX);
      this.windowRadiusY = Math.max(this.windowCenterY, this.windowHeight - this.windowCenterY);
    }
  }, {
    key: 'updateBounds',
    value: function updateBounds() {
      this.bounds = this.inputElement.getBoundingClientRect();
      this.elementPositionX = this.bounds.left;
      this.elementPositionY = this.bounds.top;
      this.elementWidth = this.bounds.width;
      this.elementHeight = this.bounds.height;
      this.elementCenterX = this.elementWidth * this.originX;
      this.elementCenterY = this.elementHeight * this.originY;
      this.elementRangeX = Math.max(this.elementCenterX, this.elementWidth - this.elementCenterX);
      this.elementRangeY = Math.max(this.elementCenterY, this.elementHeight - this.elementCenterY);
    }
  }, {
    key: 'queueCalibration',
    value: function queueCalibration(delay) {
      clearTimeout(this.calibrationTimer);
      this.calibrationTimer = setTimeout(this.onCalibrationTimer, delay);
    }
  }, {
    key: 'enable',
    value: function enable() {
      if (this.enabled) {
        return;
      }
      this.enabled = true;

      if (this.orientationSupport) {
        this.portrait = false;
        window.addEventListener('deviceorientation', this.onDeviceOrientation);
        this.detectionTimer = setTimeout(this.onOrientationTimer, this.supportDelay);
      } else if (this.motionSupport) {
        this.portrait = false;
        window.addEventListener('devicemotion', this.onDeviceMotion);
        this.detectionTimer = setTimeout(this.onMotionTimer, this.supportDelay);
      } else {
        this.calibrationX = 0;
        this.calibrationY = 0;
        this.portrait = false;
        window.addEventListener('mousemove', this.onMouseMove);
        this.doReadyCallback();
      }

      window.addEventListener('resize', this.onWindowResize);
      this.raf = rqAnFr(this.onAnimationFrame);
    }
  }, {
    key: 'disable',
    value: function disable() {
      if (!this.enabled) {
        return;
      }
      this.enabled = false;

      if (this.orientationSupport) {
        window.removeEventListener('deviceorientation', this.onDeviceOrientation);
      } else if (this.motionSupport) {
        window.removeEventListener('devicemotion', this.onDeviceMotion);
      } else {
        window.removeEventListener('mousemove', this.onMouseMove);
      }

      window.removeEventListener('resize', this.onWindowResize);
      rqAnFr.cancel(this.raf);
    }
  }, {
    key: 'calibrate',
    value: function calibrate(x, y) {
      this.calibrateX = x === undefined ? this.calibrateX : x;
      this.calibrateY = y === undefined ? this.calibrateY : y;
    }
  }, {
    key: 'invert',
    value: function invert(x, y) {
      this.invertX = x === undefined ? this.invertX : x;
      this.invertY = y === undefined ? this.invertY : y;
    }
  }, {
    key: 'friction',
    value: function friction(x, y) {
      this.frictionX = x === undefined ? this.frictionX : x;
      this.frictionY = y === undefined ? this.frictionY : y;
    }
  }, {
    key: 'scalar',
    value: function scalar(x, y) {
      this.scalarX = x === undefined ? this.scalarX : x;
      this.scalarY = y === undefined ? this.scalarY : y;
    }
  }, {
    key: 'limit',
    value: function limit(x, y) {
      this.limitX = x === undefined ? this.limitX : x;
      this.limitY = y === undefined ? this.limitY : y;
    }
  }, {
    key: 'origin',
    value: function origin(x, y) {
      this.originX = x === undefined ? this.originX : x;
      this.originY = y === undefined ? this.originY : y;
    }
  }, {
    key: 'setInputElement',
    value: function setInputElement(element) {
      this.inputElement = element;
      this.updateDimensions();
    }
  }, {
    key: 'setPosition',
    value: function setPosition(element, x, y) {
      x = x.toFixed(this.precision) + 'px';
      y = y.toFixed(this.precision) + 'px';
      if (this.transform3DSupport) {
        helpers.css(element, 'transform', 'translate3d(' + x + ',' + y + ',0)');
      } else if (this.transform2DSupport) {
        helpers.css(element, 'transform', 'translate(' + x + ',' + y + ')');
      } else {
        element.style.left = x;
        element.style.top = y;
      }
    }
  }, {
    key: 'onOrientationTimer',
    value: function onOrientationTimer() {
      if (this.orientationSupport && this.orientationStatus === 0) {
        this.disable();
        this.orientationSupport = false;
        this.enable();
      } else {
        this.doReadyCallback();
      }
    }
  }, {
    key: 'onMotionTimer',
    value: function onMotionTimer() {
      if (this.motionSupport && this.motionStatus === 0) {
        this.disable();
        this.motionSupport = false;
        this.enable();
      } else {
        this.doReadyCallback();
      }
    }
  }, {
    key: 'onCalibrationTimer',
    value: function onCalibrationTimer() {
      this.calibrationFlag = true;
    }
  }, {
    key: 'onWindowResize',
    value: function onWindowResize() {
      this.updateDimensions();
    }
  }, {
    key: 'onAnimationFrame',
    value: function onAnimationFrame() {
      this.updateBounds();
      var calibratedInputX = this.inputX - this.calibrationX,
          calibratedInputY = this.inputY - this.calibrationY;
      if (Math.abs(calibratedInputX) > this.calibrationThreshold || Math.abs(calibratedInputY) > this.calibrationThreshold) {
        this.queueCalibration(0);
      }
      if (this.portrait) {
        this.motionX = this.calibrateX ? calibratedInputY : this.inputY;
        this.motionY = this.calibrateY ? calibratedInputX : this.inputX;
      } else {
        this.motionX = this.calibrateX ? calibratedInputX : this.inputX;
        this.motionY = this.calibrateY ? calibratedInputY : this.inputY;
      }
      this.motionX *= this.elementWidth * (this.scalarX / 100);
      this.motionY *= this.elementHeight * (this.scalarY / 100);
      if (!isNaN(parseFloat(this.limitX))) {
        this.motionX = helpers.clamp(this.motionX, -this.limitX, this.limitX);
      }
      if (!isNaN(parseFloat(this.limitY))) {
        this.motionY = helpers.clamp(this.motionY, -this.limitY, this.limitY);
      }
      this.velocityX += (this.motionX - this.velocityX) * this.frictionX;
      this.velocityY += (this.motionY - this.velocityY) * this.frictionY;
      for (var index = 0; index < this.layers.length; index++) {
        var layer = this.layers[index],
            depthX = this.depthsX[index],
            depthY = this.depthsY[index],
            xOffset = this.velocityX * (depthX * (this.invertX ? -1 : 1)),
            yOffset = this.velocityY * (depthY * (this.invertY ? -1 : 1));
        this.setPosition(layer, xOffset, yOffset);
      }
      this.raf = rqAnFr(this.onAnimationFrame);
    }
  }, {
    key: 'rotate',
    value: function rotate(beta, gamma) {
      // Extract Rotation
      var x = (beta || 0) / MAGIC_NUMBER,
          //  -90 :: 90
      y = (gamma || 0) / MAGIC_NUMBER; // -180 :: 180

      // Detect Orientation Change
      var portrait = this.windowHeight > this.windowWidth;
      if (this.portrait !== portrait) {
        this.portrait = portrait;
        this.calibrationFlag = true;
      }

      if (this.calibrationFlag) {
        this.calibrationFlag = false;
        this.calibrationX = x;
        this.calibrationY = y;
      }

      this.inputX = x;
      this.inputY = y;
    }
  }, {
    key: 'onDeviceOrientation',
    value: function onDeviceOrientation(event) {
      var beta = event.beta;
      var gamma = event.gamma;
      if (beta !== null && gamma !== null) {
        this.orientationStatus = 1;
        this.rotate(beta, gamma);
      }
    }
  }, {
    key: 'onDeviceMotion',
    value: function onDeviceMotion(event) {
      var beta = event.rotationRate.beta;
      var gamma = event.rotationRate.gamma;
      if (beta !== null && gamma !== null) {
        this.motionStatus = 1;
        this.rotate(beta, gamma);
      }
    }
  }, {
    key: 'onMouseMove',
    value: function onMouseMove(event) {
      var clientX = event.clientX,
          clientY = event.clientY;

      // reset input to center if hoverOnly is set and we're not hovering the element
      if (this.hoverOnly && (clientX < this.elementPositionX || clientX > this.elementPositionX + this.elementWidth || clientY < this.elementPositionY || clientY > this.elementPositionY + this.elementHeight)) {
        this.inputX = 0;
        this.inputY = 0;
        return;
      }

      if (this.relativeInput) {
        // Clip mouse coordinates inside element bounds.
        if (this.clipRelativeInput) {
          clientX = Math.max(clientX, this.elementPositionX);
          clientX = Math.min(clientX, this.elementPositionX + this.elementWidth);
          clientY = Math.max(clientY, this.elementPositionY);
          clientY = Math.min(clientY, this.elementPositionY + this.elementHeight);
        }
        // Calculate input relative to the element.
        if (this.elementRangeX && this.elementRangeY) {
          this.inputX = (clientX - this.elementPositionX - this.elementCenterX) / this.elementRangeX;
          this.inputY = (clientY - this.elementPositionY - this.elementCenterY) / this.elementRangeY;
        }
      } else {
        // Calculate input relative to the window.
        if (this.windowRadiusX && this.windowRadiusY) {
          this.inputX = (clientX - this.windowCenterX) / this.windowRadiusX;
          this.inputY = (clientY - this.windowCenterY) / this.windowRadiusY;
        }
      }
    }
  }, {
    key: 'destroy',
    value: function destroy() {
      this.disable();

      clearTimeout(this.calibrationTimer);
      clearTimeout(this.detectionTimer);

      this.element.removeAttribute('style');
      for (var index = 0; index < this.layers.length; index++) {
        this.layers[index].removeAttribute('style');
      }

      delete this.element;
      delete this.layers;
    }
  }, {
    key: 'version',
    value: function version() {
      return '3.1.0';
    }
  }]);

  return Parallax;
}();

module.exports = Parallax;

},{"object-assign":1,"raf":4}]},{},[5])(5)
});
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