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@@ -0,0 +1,511 @@
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+var VanillaTilt = (function () {
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+ 'use strict';
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+
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+ /**
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+ * Created by Sergiu Șandor (micku7zu) on 1/27/2017.
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+ * Original idea: https://github.com/gijsroge/tilt.js
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+ * MIT License.
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+ * Version 1.7.2
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+ */
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+
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+ class VanillaTilt {
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+ constructor(element, settings = {}) {
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+ if (!(element instanceof Node)) {
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+ throw ("Can't initialize VanillaTilt because " + element + " is not a Node.");
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+ }
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+
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+ this.width = null;
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+ this.height = null;
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+ this.clientWidth = null;
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+ this.clientHeight = null;
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+ this.left = null;
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+ this.top = null;
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+
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+ // for Gyroscope sampling
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+ this.gammazero = null;
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+ this.betazero = null;
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+ this.lastgammazero = null;
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+ this.lastbetazero = null;
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+
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+ this.transitionTimeout = null;
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+ this.updateCall = null;
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+ this.event = null;
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+
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+ this.updateBind = this.update.bind(this);
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+ this.resetBind = this.reset.bind(this);
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+
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+ this.element = element;
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+ this.settings = this.extendSettings(settings);
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+
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+ this.reverse = this.settings.reverse ? -1 : 1;
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+ this.glare = VanillaTilt.isSettingTrue(this.settings.glare);
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+ this.glarePrerender = VanillaTilt.isSettingTrue(this.settings["glare-prerender"]);
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+ this.fullPageListening = VanillaTilt.isSettingTrue(this.settings["full-page-listening"]);
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+ this.gyroscope = VanillaTilt.isSettingTrue(this.settings.gyroscope);
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+ this.gyroscopeSamples = this.settings.gyroscopeSamples;
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+
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+ this.elementListener = this.getElementListener();
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+
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+ if (this.glare) {
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+ this.prepareGlare();
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+ }
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+
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+ if (this.fullPageListening) {
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+ this.updateClientSize();
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+ }
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+
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+ this.addEventListeners();
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+ this.reset();
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+ this.updateInitialPosition();
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+ }
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+
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+ static isSettingTrue(setting) {
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+ return setting === "" || setting === true || setting === 1;
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+ }
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+
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+ /**
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+ * Method returns element what will be listen mouse events
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+ * @return {Node}
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+ */
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+ getElementListener() {
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+ if (this.fullPageListening) {
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+ return window.document;
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+ }
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+
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+ if (typeof this.settings["mouse-event-element"] === "string") {
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+ const mouseEventElement = document.querySelector(this.settings["mouse-event-element"]);
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+
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+ if (mouseEventElement) {
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+ return mouseEventElement;
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+ }
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+ }
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+
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+ if (this.settings["mouse-event-element"] instanceof Node) {
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+ return this.settings["mouse-event-element"];
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+ }
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+
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+ return this.element;
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+ }
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+
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+ /**
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+ * Method set listen methods for this.elementListener
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+ * @return {Node}
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+ */
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+ addEventListeners() {
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+ this.onMouseEnterBind = this.onMouseEnter.bind(this);
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+ this.onMouseMoveBind = this.onMouseMove.bind(this);
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+ this.onMouseLeaveBind = this.onMouseLeave.bind(this);
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+ this.onWindowResizeBind = this.onWindowResize.bind(this);
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+ this.onDeviceOrientationBind = this.onDeviceOrientation.bind(this);
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+
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+ this.elementListener.addEventListener("mouseenter", this.onMouseEnterBind);
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+ this.elementListener.addEventListener("mouseleave", this.onMouseLeaveBind);
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+ this.elementListener.addEventListener("mousemove", this.onMouseMoveBind);
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+
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+ if (this.glare || this.fullPageListening) {
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+ window.addEventListener("resize", this.onWindowResizeBind);
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+ }
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+
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+ if (this.gyroscope) {
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+ window.addEventListener("deviceorientation", this.onDeviceOrientationBind);
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+ }
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+ }
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+
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+ /**
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+ * Method remove event listeners from current this.elementListener
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+ */
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+ removeEventListeners() {
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+ this.elementListener.removeEventListener("mouseenter", this.onMouseEnterBind);
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+ this.elementListener.removeEventListener("mouseleave", this.onMouseLeaveBind);
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+ this.elementListener.removeEventListener("mousemove", this.onMouseMoveBind);
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+
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+ if (this.gyroscope) {
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+ window.removeEventListener("deviceorientation", this.onDeviceOrientationBind);
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+ }
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+
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+ if (this.glare || this.fullPageListening) {
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+ window.removeEventListener("resize", this.onWindowResizeBind);
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+ }
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+ }
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+
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+ destroy() {
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+ clearTimeout(this.transitionTimeout);
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+ if (this.updateCall !== null) {
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+ cancelAnimationFrame(this.updateCall);
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+ }
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+
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+ this.reset();
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+
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+ this.removeEventListeners();
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+ this.element.vanillaTilt = null;
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+ delete this.element.vanillaTilt;
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+
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+ this.element = null;
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+ }
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+
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+ onDeviceOrientation(event) {
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+ if (event.gamma === null || event.beta === null) {
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+ return;
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+ }
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+
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+ this.updateElementPosition();
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+
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+ if (this.gyroscopeSamples > 0) {
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+ this.lastgammazero = this.gammazero;
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+ this.lastbetazero = this.betazero;
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+
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+ if (this.gammazero === null) {
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+ this.gammazero = event.gamma;
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+ this.betazero = event.beta;
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+ } else {
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+ this.gammazero = (event.gamma + this.lastgammazero) / 2;
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+ this.betazero = (event.beta + this.lastbetazero) / 2;
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+ }
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+
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+ this.gyroscopeSamples -= 1;
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+ }
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+
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+ const totalAngleX = this.settings.gyroscopeMaxAngleX - this.settings.gyroscopeMinAngleX;
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+ const totalAngleY = this.settings.gyroscopeMaxAngleY - this.settings.gyroscopeMinAngleY;
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+
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+ const degreesPerPixelX = totalAngleX / this.width;
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+ const degreesPerPixelY = totalAngleY / this.height;
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+
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+ const angleX = event.gamma - (this.settings.gyroscopeMinAngleX + this.gammazero);
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+ const angleY = event.beta - (this.settings.gyroscopeMinAngleY + this.betazero);
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+
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+ const posX = angleX / degreesPerPixelX;
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+ const posY = angleY / degreesPerPixelY;
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+
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+ if (this.updateCall !== null) {
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+ cancelAnimationFrame(this.updateCall);
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+ }
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+
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+ this.event = {
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+ clientX: posX + this.left,
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+ clientY: posY + this.top,
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+ };
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+
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+ this.updateCall = requestAnimationFrame(this.updateBind);
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+ }
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+
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+ onMouseEnter() {
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+ this.updateElementPosition();
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+ this.element.style.willChange = "transform";
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+ this.setTransition();
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+ }
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+
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+ onMouseMove(event) {
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+ if (this.updateCall !== null) {
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+ cancelAnimationFrame(this.updateCall);
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+ }
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+
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+ this.event = event;
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+ this.updateCall = requestAnimationFrame(this.updateBind);
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+ }
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+
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+ onMouseLeave() {
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+ this.setTransition();
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+
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+ if (this.settings.reset) {
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+ requestAnimationFrame(this.resetBind);
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+ }
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+ }
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+
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+ reset() {
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+ this.event = {
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+ clientX: this.left + this.width / 2,
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+ clientY: this.top + this.height / 2
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+ };
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+
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+ if (this.element && this.element.style) {
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+ this.element.style.transform = `perspective(${this.settings.perspective}px) ` +
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+ `rotateX(0deg) ` +
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+ `rotateY(0deg) ` +
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+ `scale3d(1, 1, 1)`;
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+ }
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+
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+ this.resetGlare();
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+ }
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+
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+ resetGlare() {
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+ if (this.glare) {
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+ this.glareElement.style.transform = "rotate(180deg) translate(-50%, -50%)";
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+ this.glareElement.style.opacity = "0";
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+ }
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+ }
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+
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+ updateInitialPosition() {
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+ if (this.settings.startX === 0 && this.settings.startY === 0) {
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+ return;
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+ }
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+
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+ this.onMouseEnter();
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+
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+ if (this.fullPageListening) {
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+ this.event = {
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+ clientX: (this.settings.startX + this.settings.max) / (2 * this.settings.max) * this.clientWidth,
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+ clientY: (this.settings.startY + this.settings.max) / (2 * this.settings.max) * this.clientHeight
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+ };
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+ } else {
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+ this.event = {
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+ clientX: this.left + ((this.settings.startX + this.settings.max) / (2 * this.settings.max) * this.width),
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+ clientY: this.top + ((this.settings.startY + this.settings.max) / (2 * this.settings.max) * this.height)
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+ };
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+ }
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+
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+
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+ let backupScale = this.settings.scale;
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+ this.settings.scale = 1;
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+ this.update();
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+ this.settings.scale = backupScale;
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+ this.resetGlare();
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+ }
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+
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+ getValues() {
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+ let x, y;
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+
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+ if (this.fullPageListening) {
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+ x = this.event.clientX / this.clientWidth;
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+ y = this.event.clientY / this.clientHeight;
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+ } else {
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+ x = (this.event.clientX - this.left) / this.width;
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+ y = (this.event.clientY - this.top) / this.height;
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+ }
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+
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+ x = Math.min(Math.max(x, 0), 1);
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+ y = Math.min(Math.max(y, 0), 1);
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+
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+ let tiltX = (this.reverse * (this.settings.max - x * this.settings.max * 2)).toFixed(2);
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+ let tiltY = (this.reverse * (y * this.settings.max * 2 - this.settings.max)).toFixed(2);
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+ let angle = Math.atan2(this.event.clientX - (this.left + this.width / 2), -(this.event.clientY - (this.top + this.height / 2))) * (180 / Math.PI);
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+
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+ return {
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+ tiltX: tiltX,
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+ tiltY: tiltY,
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+ percentageX: x * 100,
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+ percentageY: y * 100,
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+ angle: angle
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+ };
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+ }
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+
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+ updateElementPosition() {
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+ let rect = this.element.getBoundingClientRect();
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+
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+ this.width = this.element.offsetWidth;
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+ this.height = this.element.offsetHeight;
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+ this.left = rect.left;
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+ this.top = rect.top;
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+ }
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+
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+ update() {
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+ let values = this.getValues();
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+
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+ this.element.style.transform = "perspective(" + this.settings.perspective + "px) " +
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+ "rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " +
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+ "rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " +
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+ "scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
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+
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+ if (this.glare) {
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+ this.glareElement.style.transform = `rotate(${values.angle}deg) translate(-50%, -50%)`;
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+ this.glareElement.style.opacity = `${values.percentageY * this.settings["max-glare"] / 100}`;
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+ }
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+
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+ this.element.dispatchEvent(new CustomEvent("tiltChange", {
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+ "detail": values
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+ }));
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+
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+ this.updateCall = null;
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+ }
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+
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+ /**
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+ * Appends the glare element (if glarePrerender equals false)
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+ * and sets the default style
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+ */
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+ prepareGlare() {
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+ // If option pre-render is enabled we assume all html/css is present for an optimal glare effect.
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+ if (!this.glarePrerender) {
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+ // Create glare element
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+ const jsTiltGlare = document.createElement("div");
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+ jsTiltGlare.classList.add("js-tilt-glare");
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+
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+ const jsTiltGlareInner = document.createElement("div");
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+ jsTiltGlareInner.classList.add("js-tilt-glare-inner");
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+
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+ jsTiltGlare.appendChild(jsTiltGlareInner);
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+ this.element.appendChild(jsTiltGlare);
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+ }
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+
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+ this.glareElementWrapper = this.element.querySelector(".js-tilt-glare");
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+ this.glareElement = this.element.querySelector(".js-tilt-glare-inner");
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+
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+ if (this.glarePrerender) {
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+ return;
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+ }
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+
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+ Object.assign(this.glareElementWrapper.style, {
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+ "position": "absolute",
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+ "top": "0",
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+ "left": "0",
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+ "width": "100%",
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+ "height": "100%",
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+ "overflow": "hidden",
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+ "pointer-events": "none"
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+ });
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+
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+ Object.assign(this.glareElement.style, {
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+ "position": "absolute",
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+ "top": "50%",
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+ "left": "50%",
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+ "pointer-events": "none",
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+ "background-image": `linear-gradient(0deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%)`,
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+ "transform": "rotate(180deg) translate(-50%, -50%)",
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+ "transform-origin": "0% 0%",
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+ "opacity": "0",
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+ });
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+
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+ this.updateGlareSize();
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+ }
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+
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+ updateGlareSize() {
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+ if (this.glare) {
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+ const glareSize = (this.element.offsetWidth > this.element.offsetHeight ? this.element.offsetWidth : this.element.offsetHeight) * 2;
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+
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+ Object.assign(this.glareElement.style, {
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+ "width": `${glareSize}px`,
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+ "height": `${glareSize}px`,
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+ });
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+ }
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+ }
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+
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+ updateClientSize() {
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+ this.clientWidth = window.innerWidth
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+ || document.documentElement.clientWidth
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+ || document.body.clientWidth;
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+
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+ this.clientHeight = window.innerHeight
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+ || document.documentElement.clientHeight
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+ || document.body.clientHeight;
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+ }
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+
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+ onWindowResize() {
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+ this.updateGlareSize();
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+ this.updateClientSize();
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+ }
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+
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+ setTransition() {
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+ clearTimeout(this.transitionTimeout);
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+ this.element.style.transition = this.settings.speed + "ms " + this.settings.easing;
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+ if (this.glare) this.glareElement.style.transition = `opacity ${this.settings.speed}ms ${this.settings.easing}`;
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+
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+ this.transitionTimeout = setTimeout(() => {
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+ this.element.style.transition = "";
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+ if (this.glare) {
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+ this.glareElement.style.transition = "";
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+ }
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+ }, this.settings.speed);
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+
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+ }
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+
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+ /**
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+ * Method return patched settings of instance
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+ * @param {boolean} settings.reverse - reverse the tilt direction
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+ * @param {number} settings.max - max tilt rotation (degrees)
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+ * @param {startX} settings.startX - the starting tilt on the X axis, in degrees. Default: 0
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+ * @param {startY} settings.startY - the starting tilt on the Y axis, in degrees. Default: 0
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+ * @param {number} settings.perspective - Transform perspective, the lower the more extreme the tilt gets
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+ * @param {string} settings.easing - Easing on enter/exit
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+ * @param {number} settings.scale - 2 = 200%, 1.5 = 150%, etc..
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+ * @param {number} settings.speed - Speed of the enter/exit transition
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+ * @param {boolean} settings.transition - Set a transition on enter/exit
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|
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+ * @param {string|null} settings.axis - What axis should be disabled. Can be X or Y
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+ * @param {boolean} settings.glare - What axis should be disabled. Can be X or Y
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+ * @param {number} settings.max-glare - the maximum "glare" opacity (1 = 100%, 0.5 = 50%)
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+ * @param {boolean} settings.glare-prerender - false = VanillaTilt creates the glare elements for you, otherwise
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|
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+ * @param {boolean} settings.full-page-listening - If true, parallax effect will listen to mouse move events on the whole document, not only the selected element
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|
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+ * @param {string|object} settings.mouse-event-element - String selector or link to HTML-element what will be listen mouse events
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|
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+ * @param {boolean} settings.reset - false = If the tilt effect has to be reset on exit
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|
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+ * @param {gyroscope} settings.gyroscope - Enable tilting by deviceorientation events
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+ * @param {gyroscopeSensitivity} settings.gyroscopeSensitivity - Between 0 and 1 - The angle at which max tilt position is reached. 1 = 90deg, 0.5 = 45deg, etc..
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|
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+ * @param {gyroscopeSamples} settings.gyroscopeSamples - How many gyroscope moves to decide the starting position.
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|
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+ */
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+ extendSettings(settings) {
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+ let defaultSettings = {
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+ reverse: false,
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+ max: 15,
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+ startX: 0,
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+ startY: 0,
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+ perspective: 1000,
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+ easing: "cubic-bezier(.03,.98,.52,.99)",
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+ scale: 1,
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+ speed: 300,
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|
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+ transition: true,
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+ axis: null,
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|
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+ glare: false,
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+ "max-glare": 1,
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|
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+ "glare-prerender": false,
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|
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+ "full-page-listening": false,
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|
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+ "mouse-event-element": null,
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|
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+ reset: true,
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|
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+ gyroscope: true,
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|
|
+ gyroscopeMinAngleX: -45,
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|
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+ gyroscopeMaxAngleX: 45,
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|
|
+ gyroscopeMinAngleY: -45,
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|
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+ gyroscopeMaxAngleY: 45,
|
|
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+ gyroscopeSamples: 10
|
|
|
+ };
|
|
|
+
|
|
|
+ let newSettings = {};
|
|
|
+ for (var property in defaultSettings) {
|
|
|
+ if (property in settings) {
|
|
|
+ newSettings[property] = settings[property];
|
|
|
+ } else if (this.element.hasAttribute("data-tilt-" + property)) {
|
|
|
+ let attribute = this.element.getAttribute("data-tilt-" + property);
|
|
|
+ try {
|
|
|
+ newSettings[property] = JSON.parse(attribute);
|
|
|
+ } catch (e) {
|
|
|
+ newSettings[property] = attribute;
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ newSettings[property] = defaultSettings[property];
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return newSettings;
|
|
|
+ }
|
|
|
+
|
|
|
+ static init(elements, settings) {
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|
|
+ if (elements instanceof Node) {
|
|
|
+ elements = [elements];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (elements instanceof NodeList) {
|
|
|
+ elements = [].slice.call(elements);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!(elements instanceof Array)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ elements.forEach((element) => {
|
|
|
+ if (!("vanillaTilt" in element)) {
|
|
|
+ element.vanillaTilt = new VanillaTilt(element, settings);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof document !== "undefined") {
|
|
|
+ /* expose the class to window */
|
|
|
+ window.VanillaTilt = VanillaTilt;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Auto load
|
|
|
+ */
|
|
|
+ VanillaTilt.init(document.querySelectorAll("[data-tilt]"));
|
|
|
+ }
|
|
|
+
|
|
|
+ return VanillaTilt;
|
|
|
+
|
|
|
+}());
|
million
