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- (function (factory) {
- if (typeof define === 'function' && define.amd) {
- // AMD. Register as an anonymous module.
- define(['jquery'], factory);
- } else if (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
- */
- const requestTick = function() {
- if (this.ticking) return;
- requestAnimationFrame(updateTransforms.bind(this));
- this.ticking = true;
- };
- /**
- * Bind mouse movement evens on instance
- */
- const bindEvents = function() {
- const _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
- */
- const setTransition = function() {
- 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(() => {
- $(this).css({'transition': ''});
- if(this.settings.glare) this.glareElement.css({'transition': ''});
- }, this.settings.speed);
- };
- /**
- * When user mouse enters tilt element
- */
- const mouseEnter = function(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: *}}
- */
- const getMousePositions = function(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
- */
- const mouseMove = function(event) {
- this.mousePositions = getMousePositions(event);
- requestTick.call(this);
- };
- /**
- * When user mouse leaves tilt element
- */
- const mouseLeave = function() {
- 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}}
- */
- const getValues = function() {
- const width = $(this).outerWidth();
- const height = $(this).outerHeight();
- const left = $(this).offset().left;
- const top = $(this).offset().top;
- const percentageX = (this.mousePositions.x - left) / width;
- const percentageY = (this.mousePositions.y - top) / height;
- // x or y position inside instance / width of instance = percentage of position inside instance * the max tilt value
- const tiltX = ((this.settings.maxTilt / 2) - ((percentageX) * this.settings.maxTilt)).toFixed(2);
- const tiltY = (((percentageY) * this.settings.maxTilt) - (this.settings.maxTilt / 2)).toFixed(2);
- // angle
- const 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, tiltY, 'percentageX': percentageX * 100, 'percentageY': percentageY * 100, angle};
- };
- /**
- * Update tilt transforms on mousemove
- */
- const updateTransforms = function() {
- 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
- */
- const prepareGlare = function () {
- const 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 = $(this).find(".js-tilt-glare-inner");
- // Remember? We assume all css is already set, so just return
- if (glarePrerender) return;
- // Abstracted re-usable glare styles
- const stretch = {
- 'position': 'absolute',
- 'top': '0',
- 'left': '0',
- 'width': '100%',
- 'height': '100%',
- };
- // Style glare wrapper
- this.glareElementWrapper.css(stretch).css({
- 'overflow': 'hidden',
- });
- // Style glare element
- this.glareElement.css({
- 'position': 'absolute',
- 'top': '50%',
- 'left': '50%',
- 'pointer-events': 'none',
- 'background-image': `linear-gradient(0deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%)`,
- 'width': `${$(this).outerWidth()*2}`,
- 'height': `${$(this).outerWidth()*2}`,
- 'transform': 'rotate(180deg) translate(-50%, -50%)',
- 'transform-origin': '0% 0%',
- 'opacity': '0',
- });
- };
- /**
- * Update glare on resize
- */
- const updateGlareSize = function () {
- this.glareElement.css({
- 'width': `${$(this).outerWidth()*2}`,
- 'height': `${$(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() {
- const results = [];
- $(this).each(function () {
- this.mousePositions = getMousePositions.call(this);
- results.push(getValues.call(this));
- });
- return results;
- };
- $.fn.tilt.reset = function() {
- $(this).each(function () {
- this.mousePositions = getMousePositions.call(this);
- this.settings = $(this).data('settings');
- mouseLeave.call(this);
- setTimeout(() => {
- this.reset = false;
- }, this.settings.transition);
- });
- };
- /**
- * Loop every instance
- */
- return this.each(function () {
- /**
- * 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') : 8,
- 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 = () => {
- // Store settings
- $(this).data('settings', this.settings);
- // Prepare element
- if(this.settings.glare) prepareGlare.call(this);
- // Bind events
- bindEvents.call(this);
- };
- // Init
- this.init();
- });
- };
- /**
- * Auto load
- */
- $('[data-tilt]').tilt();
- return true;
- }));
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