Notes

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if ((typeof module === 'undefined' ? 'undefined' : _typeof(module)) === 'object' && module.exports) {
// Node/CommonJS
module.exports = function (root, jQuery) {
if (jQuery === undefined) {
// require('jQuery') returns a factory that requires window to
// build a jQuery instance, we normalize how we use modules
// that require this pattern but the window provided is a noop
// if it's defined (how jquery works)
if (typeof window !== 'undefined') {
jQuery = require('jquery');
} else {
jQuery = require('jquery')(root);
}
}
factory(jQuery);
return jQuery;
};
} else {
// Browser globals
factory(jQuery);
}
})(function ($) {
$.fn.tilt = function (options) {

/**
* RequestAnimationFrame
*/
var requestTick = function requestTick() {
if (this.ticking) return;
requestAnimationFrame(updateTransforms.bind(this));
this.ticking = true;
};

/**
* Bind mouse movement evens on instance
*/
var bindEvents = function bindEvents() {
var _this = this;
$(this).on('mousemove', mouseMove);
$(this).on('mouseenter', mouseEnter);
if (this.settings.reset) $(this).on('mouseleave', mouseLeave);
if (this.settings.glare) $(window).on('resize', updateGlareSize.bind(_this));
};

/**
* Set transition only on mouse leave and mouse enter so it doesn't influence mouse move transforms
*/
var setTransition = function setTransition() {
var _this2 = this;

if (this.timeout !== undefined) clearTimeout(this.timeout);
$(this).css({ 'transition': this.settings.speed + 'ms ' + this.settings.easing });
if (this.settings.glare) this.glareElement.css({ 'transition': 'opacity ' + this.settings.speed + 'ms ' + this.settings.easing });
this.timeout = setTimeout(function () {
$(_this2).css({ 'transition': '' });
if (_this2.settings.glare) _this2.glareElement.css({ 'transition': '' });
}, this.settings.speed);
};

/**
* When user mouse enters tilt element
*/
var mouseEnter = function mouseEnter(event) {
this.ticking = false;
$(this).css({ 'will-change': 'transform' });
setTransition.call(this);

// Trigger change event
$(this).trigger("tilt.mouseEnter");
};

/**
* Return the x,y position of the mouse on the tilt element
* @returns {{x: *, y: *}}
*/
var getMousePositions = function getMousePositions(event) {
if (typeof event === "undefined") {
event = {
pageX: $(this).offset().left + $(this).outerWidth() / 2,
pageY: $(this).offset().top + $(this).outerHeight() / 2
};
}
return { x: event.pageX, y: event.pageY };
};

/**
* When user mouse moves over the tilt element
*/
var mouseMove = function mouseMove(event) {
this.mousePositions = getMousePositions(event);
requestTick.call(this);
};

/**
* When user mouse leaves tilt element
*/
var mouseLeave = function mouseLeave() {
setTransition.call(this);
this.reset = true;
requestTick.call(this);

// Trigger change event
$(this).trigger("tilt.mouseLeave");
};

/**
* Get tilt values
*
* @returns {{x: tilt value, y: tilt value}}
*/
var getValues = function getValues() {
var width = $(this).outerWidth();
var height = $(this).outerHeight();
var left = $(this).offset().left;
var top = $(this).offset().top;
var percentageX = (this.mousePositions.x - left) / width;
var percentageY = (this.mousePositions.y - top) / height;
// x or y position inside instance / width of instance = percentage of position inside instance * the max tilt value
var tiltX = (this.settings.maxTilt / 2 - percentageX * this.settings.maxTilt).toFixed(2);
var tiltY = (percentageY * this.settings.maxTilt - this.settings.maxTilt / 2).toFixed(2);
// angle
var angle = Math.atan2(this.mousePositions.x - (left + width / 2), -(this.mousePositions.y - (top + height / 2))) * (180 / Math.PI);
// Return x & y tilt values
return { tiltX: tiltX, tiltY: tiltY, 'percentageX': percentageX * 100, 'percentageY': percentageY * 100, angle: angle };
};

/**
* Update tilt transforms on mousemove
*/
var updateTransforms = function updateTransforms() {
this.transforms = getValues.call(this);

if (this.reset) {
this.reset = false;
$(this).css('transform', 'perspective(' + this.settings.perspective + 'px) rotateX(0deg) rotateY(0deg)');

// Rotate glare if enabled
if (this.settings.glare) {
this.glareElement.css('transform', 'rotate(180deg) translate(-50%, -50%)');
this.glareElement.css('opacity', '0');
}

return;
} else {
$(this).css('transform', 'perspective(' + this.settings.perspective + 'px) rotateX(' + (this.settings.disableAxis === 'x' ? 0 : this.transforms.tiltY) + 'deg) rotateY(' + (this.settings.disableAxis === 'y' ? 0 : this.transforms.tiltX) + 'deg) scale3d(' + this.settings.scale + ',' + this.settings.scale + ',' + this.settings.scale + ')');

// Rotate glare if enabled
if (this.settings.glare) {
this.glareElement.css('transform', 'rotate(' + this.transforms.angle + 'deg) translate(-50%, -50%)');
this.glareElement.css('opacity', '' + this.transforms.percentageY * this.settings.maxGlare / 100);
}
}

// Trigger change event
$(this).trigger("change", [this.transforms]);

this.ticking = false;
};

/**
* Prepare elements
*/
var prepareGlare = function prepareGlare() {
var glarePrerender = this.settings.glarePrerender;

// If option pre-render is enabled we assume all html/css is present for an optimal glare effect.
if (!glarePrerender)
// Create glare element
$(this).append('<div class="js-tilt-glare"><div class="js-tilt-glare-inner"></div></div>');

// Store glare selector if glare is enabled
this.glareElementWrapper = $(this).find(".js-tilt-glare");
this.glareElement = $(this).find(".js-tilt-glare-inner");

// Remember? We assume all css is already set, so just return
if (glarePrerender) return;

// Abstracted re-usable glare styles
var stretch = {
'position': 'absolute',
'top': '0',
'left': '0',
'width': '100%',
'height': '100%'
};

// Style glare wrapper
this.glareElementWrapper.css(stretch).css({
'overflow': 'hidden',
'pointer-events': 'none'
});

// Style glare element
this.glareElement.css({
'position': 'absolute',
'top': '50%',
'left': '50%',
'background-image': 'linear-gradient(0deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%)',
'width': '' + $(this).outerWidth() * 2,
'height': '' + $(this).outerWidth() * 2,
'transform': 'rotate(180deg) translate(-50%, -50%)',
'transform-origin': '0% 0%',
'opacity': '0'
});
};

/**
* Update glare on resize
*/
var updateGlareSize = function updateGlareSize() {
this.glareElement.css({
'width': '' + $(this).outerWidth() * 2,
'height': '' + $(this).outerWidth() * 2
});
};

/**
* Public methods
*/
$.fn.tilt.destroy = function () {
$(this).each(function () {
$(this).find('.js-tilt-glare').remove();
$(this).css({ 'will-change': '', 'transform': '' });
$(this).off('mousemove mouseenter mouseleave');
});
};

$.fn.tilt.getValues = function () {
var results = [];
$(this).each(function () {
this.mousePositions = getMousePositions.call(this);
results.push(getValues.call(this));
});
return results;
};

$.fn.tilt.reset = function () {
$(this).each(function () {
var _this3 = this;

this.mousePositions = getMousePositions.call(this);
this.settings = $(this).data('settings');
mouseLeave.call(this);
setTimeout(function () {
_this3.reset = false;
}, this.settings.transition);
});
};

/**
* Loop every instance
*/
return this.each(function () {
var _this4 = this;

/**
* Default settings merged with user settings
* Can be set trough data attributes or as parameter.
* @type {*}
*/
this.settings = $.extend({
maxTilt: $(this).is('[data-tilt-max]') ? $(this).data('tilt-max') : 20,
perspective: $(this).is('[data-tilt-perspective]') ? $(this).data('tilt-perspective') : 300,
easing: $(this).is('[data-tilt-easing]') ? $(this).data('tilt-easing') : 'cubic-bezier(.03,.98,.52,.99)',
scale: $(this).is('[data-tilt-scale]') ? $(this).data('tilt-scale') : '1',
speed: $(this).is('[data-tilt-speed]') ? $(this).data('tilt-speed') : '400',
transition: $(this).is('[data-tilt-transition]') ? $(this).data('tilt-transition') : true,
disableAxis: $(this).is('[data-tilt-disable-axis]') ? $(this).data('tilt-disable-axis') : null,
axis: $(this).is('[data-tilt-axis]') ? $(this).data('tilt-axis') : null,
reset: $(this).is('[data-tilt-reset]') ? $(this).data('tilt-reset') : true,
glare: $(this).is('[data-tilt-glare]') ? $(this).data('tilt-glare') : false,
maxGlare: $(this).is('[data-tilt-maxglare]') ? $(this).data('tilt-maxglare') : 1
}, options);

// Add deprecation warning & set disableAxis to deprecated axis setting
if (this.settings.axis !== null) {
console.warn('Tilt.js: the axis setting has been renamed to disableAxis. See https://github.com/gijsroge/tilt.js/pull/26 for more information');
this.settings.disableAxis = this.settings.axis;
}

this.init = function () {
// Store settings
$(_this4).data('settings', _this4.settings);

// Prepare element
if (_this4.settings.glare) prepareGlare.call(_this4);

// Bind events
bindEvents.call(_this4);
};

// Init
this.init();
});
};

/**
* Auto load
*/
$('[data-tilt]').tilt();

return true;
});
//# sourceMappingURL=tilt.jquery.js.map