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--- /dev/null
+<!DOCTYPE html>
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <meta name="Author" content="KaiRo - Robert Kaiser">
+ <title>VR Map - OpenStreetMap goes WebVR</title>
+ <link rel="stylesheet" type="text/css" href="slides.css">
+ <script type="text/javascript" src="slides.js"></script>
+ <link rel="contents" href="#index" title="Überblick">
+ <link rel="index" id="link-toc" href="#toc" title="Inhalt">
+ <link rel="start" id="link-start" href="#index" title="Start">
+</head>
+<body onload="docLoaded();">
+<header id="header"><div id="header-text">VR Map</div>
+ <div id="subheader-text"></div>
+ <a id="headerlogo" href="#index" title="Startseite">Mozilla</a>
+</header>
+<nav id="slidenav">
+ <a href="#toc" id="nav-toc" accesskey="t">toc</a> ||
+ <a href="#index" id="nav-start" accesskey="s">start</a> ||
+ <a href="#" id="nav-prev" accesskey="p" hidden>< back</a>
+ <span id="nav-prev-nolink" class="nolink">< back</span> |
+ <a href="#" id="nav-next" id="goNext" accesskey="n" hidden>fwd ></a>
+ <span id="nav-next-nolink" class="nolink">fwd ></span>
+</nav>
+
+<article id="toc" data-title="Inhalt">
+<h1><span>Table of Contents</span></h1>
+<h2>VR Map - OpenStreetMap goes WebVR</h2>
+
+<div class="captionedbox">
+<p class="captionedbox-caption">The following slides are available in this presentation:</p>
+<div class="captionedbox-content">
+<ul id="toc-list">
+</ul>
+</article>
+
+<article id="index" data-title="Start Page" data-seconds="600">
+<h1><span>VR Map - OpenStreetMap goes WebVR</span></h1>
+<h2>Simple GeoData Visualization with A-Frame</h2>
+
+<div class="simplebox decofont">
+<mark><a href="http://home.kairo.at/">Robert Kaiser</a></mark>,
+"KaiRo" <kairo@kairo.at>
+<br><small>Mozilla Tech Speaker</small>
+</div>
+
+<div class="captionedbox">
+<p class="captionedbox-caption decofont">Slides:
+ <a href="https://slides.kairo.at/mobilitybuilders201805/">https://slides.kairo.at/mobilitybuilders201805/</a></p>
+<div class="captionedbox-content small">
+<ul class="small">
+ <li>Created for a presentation at
+ <a href="https://mobility.builders/">mobility.builders AR/VAR Hackathon 2018</a>
+ in Wiener Neustadt.</li>
+ <li>Written in HTML 5 with CSS 3 and JavaScript.</li>
+ <li>Navigation via links on all slides, via access keys
+ (e.g. "n"/Alt+Shift+N for "next") or back/forward arrow keys</li>
+ <li><a href="#toc">Contents</a></li>
+ <li><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img
+ alt="Lizenziert unter CC-BY-SA," class="ccinline" src="cc-by-sa.svg"></a>
+ 04-10/2018 Robert Kaiser -
+ "Mozilla", "Firefox" and their logos are
+ <a href="http://www.mozilla.org/foundation/trademarks/list.html">trademarks
+ of Mozilla Foundation</a>.</li>
+</ul>
+</div>
+</div>
+</article>
+
+<article id="objectivepre" data-title="Objectives">
+<h1><span>Objectives</span></h1>
+
+<div class="simplebox">
+<img src="vrusermoz.jpg" class="slidepic"
+ alt="VR headset user">
+<ul>
+ <li>Cross-Device nature of <mark>WebVR/WebXR</mark></li>
+ <li>Ease of use of <mark>A-Frame</mark></li>
+ <li>Ability to use <mark>OpenStreetMap data</a></li>
+</ul>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="webvr" data-title="WebVR & WebXR">
+<h1><span>WebVR & WebXR</span></h1>
+
+<div class="simplebox">
+<img src="vruser.jpg" class="slidepic"
+ alt="VR headset user">
+<ul>
+ <li><a href="https://webvr.info/">WebVR</a>: <mark>Virtual Reality</mark>
+ powered by Web technologies</li>
+ <li>Part of <a href="https://github.com/immersive-web/webxr">WebXR Device API</a>
+ - Mixed Reality (Virtual + Augmented Reality)</li>
+ <li><mark>Open Standard</mark> (proposal), in concert with WebGL, WebAudio
+ and Gamepad APIs</li>
+ <li>Windows: Firefox release, Mac: Nightly/Beta, Linux: in development</li>
+</ul>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="vrmap" data-title="VR Map">
+<h1><span>VR Map</span></h1>
+
+<div class="simplebox">
+<img src="vrmap-small.png" class="slidepic"
+ alt="VR Map in 2D">
+<ul>
+ <li><mark>Demo</mark> for WebVR with live
+ <a href="https://www.openstreetmap.org/">OpenStreetMap</a> data</li>
+ <li>Usable in 2D mode <mark>on any modern browser</mark></li>
+ <li>Supports headset + controller where WebVR is supported</li>
+ <li>Using <a href="https://aframe.io/">Mozilla A-Frame</a> (see later)</li>
+ <li>Simple: Currently ~80 lines HTML, <mark>~600 lines JS</mark></li>
+</ul>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="vrmapdemo" data-title="VR Map Demo">
+<h1><span><a href="https://vrmap.kairo.at/">vrmap.kairo.at</a></span></h1>
+
+<div class="simplebox cent">
+<a href="https://vrmap.kairo.at/" target="_blank"><img src="vrmap-large.png" class="sshot" alt="VR Map in 2D"></a>
+</div>
+</article>
+
+<article id="code-basics" data-title="Code Basics">
+<h1><span>Code Basics</span></h1>
+
+<div class="simplebox">
+<img src="vrusermoz.jpg" class="slidepic"
+ alt="VR Headset user with Mozilla logos">
+<ul>
+ <li>The world is flat (in two ways)!</li>
+ <li><mark>Ground tiles</mark> using
+ <a href="https://en.wikipedia.org/wiki/Mercator_projection">Mercator projection</a>,
+ "Mapnik" rendering from <a href="https://www.openstreetmap.org/">OSM</a>
+ via KaiRo's tile caching server</li>
+ <li><mark>Trees</mark> and <mark>buildings</mark>: live OSM data via
+ <a href="https://wiki.openstreetmap.org/wiki/Overpass_API">Overpass API</a></li>
+ <li>Camera/controller setup to support multiple devices for navigating the scene</li>
+ <li>Built with <a href="https://aframe.io/">Mozilla A-Frame</a> library</li>
+</ul>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="aframe" data-title="A-Frame">
+<h1><span>A-Frame - XR Made Simple</span></h1>
+
+<div class="simplebox">
+<img src="aframe-sticker.png" class="slidepic"
+ alt="A-Frame - aframe-io">
+Example:
+<pre>
+<<mark>a-scene</mark>>
+ <a-sphere <small>position="0 1.25 -1" radius="1.25" color="#EF2D5E"</small>></a-sphere>
+ <<mark>a-cube</mark> <small>position="-1 0.5 1" rotation="0 0 0" …</small>>
+ <<mark>a-animation</mark> <small>attribute="rotation" … to="0 360 0"</small>></a-animation>
+ </a-cube>
+ <a-cylinder <small>position="1 0.75 1" …</small>></a-cylinder>
+ <a-plane <small>…</small>></a-plane>
+ <a-sky <small>color="#ECECEC"</small>></a-sky>
+</a-scene>
+</pre>
+<p><a href="https://codepen.io/mozvr/pen/jqERjQ" target="_blank">edit/view</a>
+- More at <a href="https://aframe.io/">aframe.io</a>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="code-details" data-title="Code Details">
+<h1><span>Code Details</span></h1>
+
+<div class="simplebox">
+<img src="vrusermoz.jpg" class="slidepic"
+ alt="VR Headset user with Mozilla logos">
+<ul>
+ <li><code>index.html</code>: JS includes, start dialog, scene, camera/controller rig</li>
+ <li><code>map.js</code>: variables, load handler, fetch from Overpass API</li>
+ <li><code>conversions.js</code>: coordinate conversions</li>
+ <li><code>position-limit.js</code>: A-Frame component for keeping position above ground</li>
+ <li><code>tiles.js, trees.js, buildings.js</code>: load/draw the 3 types of objects</li>
+ <li><mark><a href="https://github.com/KaiRo-at/vrmap" target="_blank">KaiRo-at/vrmap
+ at GitHub</a></mark></li>
+</ul>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="objectivepost" data-title="Objectives - Recap">
+<h1><span>Objectives - Recap</span></h1>
+
+<div class="simplebox">
+<img src="vruser.jpg" class="slidepic"
+ alt="VR headset user">
+<ul>
+ <li>Cross-Device nature of <mark>WebVR/WebXR</mark></li>
+ <li>Ease of use of <mark>A-Frame</mark></li>
+ <li>Ability to use <mark>OpenStreetMap data</a></li>
+</ul>
+<p class="ensurepicinbox"></p>
+</div>
+</article>
+
+<article id="end" data-title="The End">
+
+<div class="simplebox endslidecontainer">
+<h1 class="cent endslidetext"><span>Questions?</span></h1>
+<h2 class="cent endslidetext"><span><a href="https://vrmap.kairo.at/">vrmap.kairo.at</a></span></h2>
+<h3 class="cent endslidetext"><span><a href="https://github.com/KaiRo-at/vrmap">github.com/KaiRo-at/vrmap</a></span></h3>
+<img src="vrmap-large.png" class="sshot endslidepic" alt="VR Map in 2D">
+</div>
+</article>
+
+</body>
+</html>
--- /dev/null
+/**************************
+ * styles for talk slides *
+ * by Robert Kaiser *
+ * <kairo@kairo.at> *
+ * (for FOSDEM 2013) *
+ **************************/
+
+
+/***** base style *****/
+
+@font-face {
+ font-family: 'Open Sans';
+ src: url('template/OpenSans-Regular-webfont.woff');
+ font-weight: normal;
+ font-style: normal;
+}
+
+@font-face {
+ font-family: 'Open Sans';
+ src: url('template/OpenSans-Semibold-webfont.woff');
+ font-weight: bold;
+ font-style: normal;
+}
+
+@font-face {
+ font-family: 'Open Sans';
+ src: url('template/OpenSans-Italic-webfont.woff');
+ font-weight: normal;
+ font-style: italic;
+}
+
+@font-face {
+ font-family: 'Zilla Slab';
+ src: url('template/ZillaSlab-Regular.woff2');
+ font-weight: normal;
+ font-style: normal;
+}
+
+@font-face {
+ font-family: 'Zilla Slab';
+ src: url('template/ZillaSlab-Bold.woff2');
+ font-weight: bold;
+ font-style: normal;
+}
+
+@font-face {
+ font-family: 'Zilla Slab Highlight';
+ src: url('template/ZillaSlabHighlight-Regular.woff2');
+ font-weight: normal;
+ font-style: normal;
+}
+
+@font-face {
+ font-family: 'Zilla Slab Highlight';
+ src: url('template/ZillaSlabHighlight-Bold.woff2');
+ font-weight: bold;
+ font-style: normal;
+}
+
+html {
+ overflow: hidden; /* to make translations not paint scrollbars */
+ background: white;
+ height: 100%;
+}
+
+body {
+ margin: 0px;
+ padding: 0px;
+ border: 0px;
+ font-family: "Open Sans", sans-serif;
+ font-size: 2em;
+ color: black;
+ height: 100%;
+}
+
+ul {
+ padding-left: 1.2em;
+ margin-bottom: 0.5em;
+}
+
+ul:first-child,
+ul:last-child {
+ margin-top: 0;
+}
+
+#header {
+ height: 44px;
+ position: relative;
+ font-family: "Zilla Slab", monospace;
+ border-bottom: 3px solid black;
+}
+
+#headerlogo {
+ position: absolute;
+ display: block;
+ right: 2px;
+ top: 2px;
+ text-indent: -2000px;
+ font-size: 1px;
+ overflow: hidden;
+ height: 40px;
+ width: 140px;
+ background: url("template/mozilla_logo2017.svg") no-repeat;
+}
+
+#header-text {
+ position: relative;
+ top: 5px;
+ left: 25px;
+ width: 200px;
+ width: -moz-fit-content;
+ width: -webkit-fit-content;
+ width: fit-content;
+ padding: 0 5px;
+ font-size: 20px;
+ font-weight: bold;
+ color: white;
+ background-color: black;
+}
+
+#header-text.neartime {
+ color: #00FFFF;
+}
+
+#header-text.ontime {
+ color: #54FFBD;
+}
+
+#header-text.overtime {
+ color: #FF4F5E;
+}
+
+#subheader-text {
+ color: black;
+ position: relative;
+ top: 3px;
+ left: 25px;
+ width: calc(100% - 50px);
+ padding: 0 5px;
+ font-size: 10px;
+}
+
+#slidenav {
+ position: absolute;
+ right: 200px;
+ top: 15px;
+ font-family: "Zilla Slab", monospace;
+ font-size: 10px;
+}
+
+#slidenav a:link,
+#slidenav a:visited {
+ color: black;
+}
+
+#slidenav a:hover,
+#slidenav a:active {
+ color: #959595;
+}
+
+#slidenav .nolink {
+ color: #E7E5E2;
+}
+
+article {
+ position: absolute;
+ width: 100%;
+ /* header is 40px, 7px to have a bit of distance,
+ * 3px height-reducing on the bottom for safety */
+ top: 47px;
+ height: calc(100% - 50px);
+ overflow: auto;
+
+ transition-property: transform, opacity;
+ transition-duration: 3s;
+ transition-timing-function: ease;
+ transform-origin: center 5em;
+
+ opacity: 0;
+/*
+ transform: translate(-100%, 0);
+*/
+/*
+ transform: scale(0.1) rotate(360deg) translate(-200%, 0);
+*/
+ transform: scale(0.1) translate(-400%, 0);
+}
+
+article[aria-selected="true"] {
+ opacity: 1;
+ transform: scale(1) rotate(0deg) translate(0, 0);
+}
+
+article[aria-selected="true"] ~ article {
+ opacity: 0;
+/*
+ transform: translate(100%, 0);
+*/
+/*
+ transform: scale(0.1) rotate(-360deg) translate(200%, 0);
+*/
+ transform: scale(0.1) translate(400%, 0);
+}
+
+/***** headers *****/
+
+h1, h2, h3, h4 {
+ margin: 0.5em 0;
+ font-family: "Zilla Slab", monospace;
+ font-weight: bold;
+ color: black;
+ text-align: center;
+}
+
+h1 {
+ font-family: "Zilla Slab Highlight", "Zilla Slab", monospace;
+ margin-top: 0.5em;
+ font-size: 2.2em;
+}
+
+h1 span {
+ font-family: "Zilla Slab", monospace;
+ background-color: black;
+ color: white;
+ padding: 0 10px;
+}
+
+h2 {
+ font-size: 1.3em;
+}
+
+h3 {
+ font-size: 1.1em;
+}
+
+h4 {
+ font-size: 1em;
+ text-align: left;
+}
+
+/***** boxes *****/
+
+.simplebox {
+ padding: 0.5em;
+}
+
+.captionedbox {
+ padding: 0px;
+}
+
+.simplebox,
+.captionedbox {
+ margin: 1em;
+ background-color: white;
+ /* box-shadow: 0 0 0 1px black inset; */
+ /* border-bottom: 1px solid black; */
+}
+
+.captionedbox-content {
+ margin: 0;
+ padding: 0.5em;
+ border: 0px;
+ border-top: 1px solid black;
+}
+
+.captionedbox-caption {
+ margin: 0;
+ padding: 0.5em;
+ font-weight: bold;
+}
+
+.simplebox + .simplebox,
+.captionedbox + .simplebox,
+.simplebox + .captionedbox,
+.captionedbox + .captionedbox {
+ border-top: 1px solid black;
+}
+
+/***** misc formatting *****/
+
+mark {
+ font-family: "Zilla Slab", monospace;
+ font-weight: bold;
+ color: black;
+ background-color: #FFF44F;
+}
+
+.decofont {
+ font-family: "Zilla Slab", monospace;
+}
+
+.border {
+ border: 1px solid black;
+ padding: 0.5em;
+}
+
+.sshot {
+ max-width: 100%;
+ max-height: 20em;
+ /* box-shadow: black 1px 1px 3px 2px; */
+}
+
+.slidepic {
+ float: right;
+ margin-left: .5em;
+ max-height: 20em;
+ max-width: 25%;
+}
+
+.ensurepicinbox {
+ clear: both;
+ font-size: 1px;
+ margin: 0;
+}
+
+.largetext {
+ font-size: 2em;
+}
+
+ul > li {
+ margin: 0.5em 0;
+}
+
+.columns2 {
+ -moz-columns: 2;
+}
+
+ul.nobullets > li {
+ list-style-type: none;
+}
+
+ul.arrows > li {
+ list-style-type: none;
+}
+ul.arrows > li:before {
+ content: "\21d2\20"; /* \2192 would be single thin arrow, hex 20 is space */
+}
+
+.cent {
+ text-align: center;
+}
+
+.topmargin {
+ margin-top: 0.5em;
+}
+
+.akey {
+ text-decoration: underline;
+}
+
+a:link, a:visited { color: #00458B; text-decoration: none; }
+a:hover, a:active { color: #959595; text-decoration: underline; }
+
+mark a:link, mark a:visited { color: #005E5E; }
+mark a:hover, mark a:active { color: #005E5E; }
+
+h1 span a:link, h1 span a:visited,
+h1 span a:hover, h1 span a:active { color: white; }
+
+pre { margin: 0; }
+
+/***** small stuff *****/
+
+small,
+.small {
+ font-size: 0.75em;
+}
+
+ul.small,
+.small ul {
+ padding: 0px;
+ border: 0px;
+ margin: 0px 0px 0px 1em;
+}
+
+ul.small > li
+.small ul > li {
+ margin: 0px;
+ padding: 0px;
+ border: 0px;
+}
+
+/***** specific slides *****/
+
+/* start slide */
+.ccinline {
+ border-width: 0;
+ vertical-align: bottom;
+ height: 1.75em;
+}
+
+/* end slide */
+.endslidecontainer {
+ position: relative;
+}
+
+.endslidepic {
+ width: 100%;
+ max-height: initial;
+ z-index: 1;
+}
+
+.endslidetext {
+ position: absolute;
+ width: calc(100% - 2rem);
+ z-index: 3;
+}
+
+h1.endslidetext {
+/* color: white; */
+ font-size: 2.5em;
+}
+
+h2.endslidetext,
+h3.endslidetext {
+ font-size: 1.5em;
+}
+
+h2.endslidetext > span,
+h3.endslidetext > span {
+ background-color: white;
+ padding: 0 10px;
+}
+
+.endslidetext:first-child {
+ top: 1rem;
+}
+
+.endslidetext:nth-child(2) {
+ top: 11rem;
+}
+
+.endslidetext:nth-child(3) {
+ top: 17rem;
+}
+
+@media (min-resolution: 1.3dppx) {
+ .endslidetext:first-child {
+ top: .5rem;
+ }
+ .endslidetext:nth-child(2) {
+ top: 9rem;
+ }
+
+ .endslidetext:nth-child(3) {
+ top: 14rem;
+ }
+}
--- /dev/null
+/******************************
+ * JavaScript for talk slides *
+ * by Robert Kaiser *
+ * <kairo@kairo.at> *
+ * (for FOSDEM 2011) *
+ ******************************/
+
+var slides = {};
+var articleNodes;
+var currentSlide;
+var currentIdx;
+var defaultIdx = 1; // set to slide index to show by default
+var firstIdx = 2; // set no value if to use first available
+var lastIdx; // set no value if to use last available
+
+var pageTitle, headerText, subHeaderText;
+var navPrev, navNext, navPrevNolink, navNextNolink;
+
+// Slide timer - color variation of headerText
+// Time per slide is total presentation length divided by number of slides
+// except start and end slide.
+var presLengthSeconds = 15 * 60;
+var slideStart, timerMSec;
+
+// Called when the document has been loaded.
+function docLoaded() {
+ pageTitle = document.getElementsByTagName("title")[0];
+ headerText = document.getElementById("header-text");
+ subHeaderText = document.getElementById("subheader-text");
+ navPrev = document.getElementById("nav-prev");
+ navNext = document.getElementById("nav-next");
+ navPrevNolink = document.getElementById("nav-prev-nolink");
+ navNextNolink = document.getElementById("nav-next-nolink");
+ articleNodes = document.getElementsByTagName("article");
+
+ if (!firstIdx)
+ firstIdx = 0;
+ if (!lastIdx)
+ lastIdx = articleNodes.length - 1;
+ var slideSeconds = presLengthSeconds / (lastIdx - firstIdx);
+ timerMSec = 1000 * (slideSeconds / 3);
+
+ // Get a list of all slides (articles).
+ subHeaderText.textContent = articleNodes.length + " slides...";
+ for (var i = 0; i < articleNodes.length; ++i) {
+ subHeaderText.textContent = "Indexing slide " + i + " / " + articleNodes.length;
+ if (!articleNodes[i].id)
+ articleNodes[i].id = "slide_" + i;
+
+ slides[articleNodes[i].id] = {
+ "idx": i,
+ "name": articleNodes[i].id,
+ "title": articleNodes[i].dataset.title ? articleNodes[i].dataset.title : articleNodes[i].id,
+ "obj": articleNodes[i],
+ "timeSeconds": articleNodes[i].dataset.seconds ? articleNodes[i].dataset.seconds : slideSeconds,
+ };
+
+ if (location.hash.length &&
+ (location.hash == "#" + articleNodes[i].id || location.hash == "#" + i)) {
+ articleNodes[i].setAttribute("aria-selected", "true");
+ currentSlide = slides[articleNodes[i].id];
+ currentIdx = i;
+ }
+ }
+
+ if (!currentSlide) {
+ currentIdx = defaultIdx;
+ currentSlide = slides[articleNodes[currentIdx].id];
+ currentSlide.obj.setAttribute("aria-selected", "true");
+ location.hash = "#" + currentSlide.name;
+ }
+ updateDisplay();
+}
+
+// Called when the hash part of the location changes.
+function locationHashChanged() {
+ if (location.hash.length > 1) {
+ var hashtag = location.hash.substring(1);
+ // If not a number, treat as ID
+ if (isNaN(hashtag) && slides[hashtag]) {
+ currentSlide.obj.removeAttribute("aria-selected");
+ currentSlide = slides[hashtag];
+ currentIdx = currentSlide.idx;
+ currentSlide.obj.setAttribute("aria-selected", "true");
+ updateDisplay();
+ }
+ else if (articleNodes[hashtag]) {
+ currentSlide.obj.removeAttribute("aria-selected");
+ currentIdx = hashtag;
+ currentSlide = slides[articleNodes[currentIdx].id];
+ currentSlide.obj.setAttribute("aria-selected", "true");
+ updateDisplay();
+ }
+ }
+}
+window.onhashchange = locationHashChanged;
+
+// Update the display after we updated what slide is shown.
+function updateDisplay() {
+ if (currentIdx >= firstIdx && currentIdx <= lastIdx &&
+ currentSlide.name != "toc")
+ subHeaderText.textContent = (currentIdx - firstIdx + 1) + "/" +
+ (lastIdx - firstIdx + 1) + " - " +
+ currentSlide.title;
+ else
+ subHeaderText.textContent = currentSlide.title;
+ pageTitle.textContent = headerText.textContent + ": " + currentSlide.title;
+ if (currentIdx > firstIdx && currentSlide.name != "toc") {
+ navPrev.hidden = false;
+ navPrev.href = "#" + articleNodes[currentIdx - 1].id;
+ navPrevNolink.hidden = true;
+ }
+ else {
+ navPrev.hidden = true;
+ navPrevNolink.hidden = false;
+ }
+ if (currentIdx < lastIdx && currentSlide.name != "toc") {
+ navNext.hidden = false;
+ navNext.href = "#" + articleNodes[currentIdx + 1].id;
+ navNextNolink.hidden = true;
+ }
+ else {
+ navNext.hidden = true;
+ navNextNolink.hidden = false;
+ }
+ headerText.className = "";
+ slideStart = new Date();
+ timerMSec = 1000 * (currentSlide.timeSeconds / 3);
+ if (currentSlide.name == "toc")
+ createTOC();
+ else
+ setTimeout(timerFired, timerMSec);
+}
+
+// Create TOC list.
+function createTOC() {
+ var list = document.getElementById("toc-list");
+ if (!list.getElementsByTagName("li").length) {
+ for (var slide in slides) {
+ if (slide != "toc") {
+ var item = document.createElement("li");
+ var link = document.createElement("a");
+ var slideHeaders = slides[slide].obj.getElementsByTagName("h1");
+ if (slideHeaders.length)
+ link.textContent = slideHeaders[0].textContent;
+ else
+ link.textContent = slides[slide].title;
+ link.href = "#" + slides[slide].name;
+ item.appendChild(link);
+ list.appendChild(item);
+ }
+ }
+ }
+}
+
+// Do timed color variation on slides.
+function timerFired() {
+ var slideCurrent = new Date();
+ var secondsDiff = Math.round((slideCurrent.getTime() - slideStart.getTime()) / 1000);
+ if (secondsDiff >= currentSlide.timeSeconds) {
+ headerText.className = "overtime";
+ }
+ else if (secondsDiff >= Math.round(2 * currentSlide.timeSeconds / 3)) {
+ headerText.className = "ontime";
+ setTimeout(timerFired, timerMSec);
+ }
+ else if (secondsDiff >= Math.round(currentSlide.timeSeconds / 3)) {
+ headerText.className = "neartime";
+ setTimeout(timerFired, timerMSec);
+ }
+ else {
+ // We should never come here, but if we do, go into a 100ms loop until we get over the upcoming step.
+ setTimeout(timerFired, 100);
+ }
+}
+
+// Keyboard/click nav functionality, mostly inherited from FOSDEM 2007.
+(function() {
+ function go(where) {
+ where = where || "next";
+ var navElem = document.getElementById("nav-" + where);
+ if (!navElem.hidden)
+ window.location.href = navElem.href;
+ }
+
+ function handleClick(e) {
+ e = e || event;
+ var target = (window.event) ? e.srcElement : e.target;
+ if (e.which == 1 && target.nodeName != "A" && target.nodeName != "VIDEO")
+ go("next");
+ }
+
+ function handleKeyPress(e) {
+ e = e || event;
+ switch (e.key) {
+ // See https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode#Constants_for_keyCode_value
+ case "ArrowLeft":
+ case "ArrowDown":
+ case "Left": // non-standard, old browsers
+ case "Down": // non-standard, old browsers
+ case "PageDown":
+ case "P":
+ case "p":
+ case "H": //8bitdo Zero "X"
+ case "h": //8bitdo Zero "X"
+ go("prev"); break;
+ case "ArrowRight":
+ case "ArrowUp":
+ case "Right": // non-standard, old browsers
+ case "Up": // non-standard, old browsers
+ case "PageUp":
+ case "N":
+ case "n":
+ case "J": //8bitdo Zero "B"
+ case "j": //8bitdo Zero "B"
+ go("next"); break;
+ case "Home":
+ case "I": //8bitdo Zero "Y"
+ case "i": //8bitdo Zero "Y"
+ go("start"); break;
+ case "End":
+ case "G": //8bitdo Zero "A"
+ case "g": //8bitdo Zero "A"
+ go("toc"); break;
+ }
+ }
+
+ window.onclick = handleClick;
+ window.onkeydown = handleKeyPress;
+})();
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 20.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+ viewBox="0 0 360 102.8" style="enable-background:new 0 0 360 102.8;" xml:space="preserve">
+<style type="text/css">
+ .st0{fill:#FFFFFF;}
+</style>
+<g>
+ <rect y="-0.2" width="360" height="102.9"/>
+ <path class="st0" d="M343.8,73.7c-0.7,0.2-1.3,0.3-1.9,0.3c-2.1,0-3.1-0.9-3.1-3.5V51c0-10.3-8.2-15.3-17.9-15.3
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+</g>
+</svg>
projects / slides.git / commitdiff
