359 lines
No EOL
7.6 KiB
JavaScript
359 lines
No EOL
7.6 KiB
JavaScript
var firstInit = true;
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function mobileConditions() {
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return !($(window).width() > 900 && $(window).height() < $(window).width());
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}
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function bgInit(useCSSbg) {
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$('.works-card').each(function() {
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var $el = $(this);
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if(firstInit) {
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var bg = $el.css('background-image');
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if(bg == 'none') bg = $el.css('background-color');
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$el.attr('data-bg', bg);
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var el = $('<div class="bg"></div>');
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el.css('background', bg);
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$('.bg-scroller').append(el);
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}
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if(useCSSbg) {
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$el.css('background', $el.attr('data-bg'));
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$el.find('.text-container').css('opacity', '1');
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}
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else {
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$el.css('background', '');
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}
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});
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firstInit = false;
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}
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bgInit(false);
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var scrolledWindows, minBg, maxBg, delta, ogDelta;
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function calculateBg() {
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if(!mobileConditions()) {
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bgInit(false);
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$('.bg-scroller').find('.bg').each(function() {
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$(this).css('opacity', '0');
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});
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scrolledWindows = $(window).scrollTop() / $(window).height();
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// start hax: subtract number of sections above changing background
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scrolledWindows -= $($('.works-card')[0]).offset().top / $(window).height();
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scrolledWindows = Math.max(scrolledWindows, 0);
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// end hax
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minBg = Math.floor(scrolledWindows);
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maxBg = minBg + 1;
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delta = scrolledWindows - minBg;
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ogDelta = delta;
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if(delta < 0.4) {
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delta = 0;
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}
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else if(delta < 0.6) {
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delta = 5*(delta-0.4);
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}
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else {
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delta = 1;
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}
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delta = -1 * Math.cos(delta/1 * (Math.PI/2)) + 1;
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$('.bg-scroller').find('.bg:nth-child(' + (minBg+1) + ')').css('opacity', 1);
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$('.bg-scroller').find('.bg:nth-child(' + (maxBg+1) + ')').css('opacity', delta);
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$('.works-card:nth-child(' + (minBg+2) + ') .text-container').css({
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opacity: 1 - delta,
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});
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$('.works-card:nth-child(' + (maxBg+2) + ') .text-container').css({
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opacity: delta,
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});
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}
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else {
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bgInit(true);
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}
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}
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calculateBg();
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var timer;
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$(window).on('scroll', function() {
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scrollAnimations();
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clearTimeout(timer);
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timer = setTimeout(function() {
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var sections = $('section');
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var hash = '';
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sections.each(function() {
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var $el = $(this);
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var viewportPos = ($(window).scrollTop() - $el.offset().top) / $(window).height();
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if(viewportPos < 0.4 && viewportPos > -0.6) {
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hash = $el.attr('id');
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}
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});
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if(hash) {
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history.replaceState({
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page: hash
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}, $('title').html(), '#' + hash);
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}
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}, 200);
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});
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function scrollAnimations() {
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calculateBg();
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if(!mobileConditions()) {
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$('.main h1, .main h3').each(function() {
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var scrolledFrac = $(window).scrollTop() / $(window).height();
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$(this).css({
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opacity: Math.min(1, 1.2 - 1.5*scrolledFrac),
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position: 'relative',
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// fun fact: using transforms here causes weird rendering bugs in Chrome
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top: (scrolledFrac * $(window).height() / 2) + 'px'
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});
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});
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}
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}
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var canvas = $('canvas#bg')[0];
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canvas.width = $(window).width();
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canvas.height = $(window).height();
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var ctx = canvas.getContext('2d');
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$(window).on('resize', function() {
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canvas.width = $(window).width();
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canvas.height = $(window).height();
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})
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function Point() {
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var p = this;
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var r = 8;
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// progress below 0 is neglected, negative initial
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// progress serves to introduce random delays -
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// at 0.05 progress points per second, for example
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// a dot with initial progress -0.15 will run 2 frames
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// after a dot with initial progress -0.05
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var initialProgress = -4 * Math.random();
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// moves point to a random location and
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// resets its progress
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this.init = function() {
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p.x = Math.random() * canvas.width;
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p.y = Math.random() * canvas.height;
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p.progress = initialProgress;
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}
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this.draw = function() {
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if(p.progress >= 0) {
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// opacity of of dot changes with progress
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ctx.fillStyle = 'rgba(0,0,0,' + Math.sqrt(p.progress*0.005) + ')';
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ctx.beginPath();
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// radius calculation: maps progress from [0, 1] to [0, pi],
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// then takes sine of that to get an increase, then decrease
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// in radius. absolute value to prevent floating point errors
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// accidentally causing negative sine values which cause ctx.arc
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// to throw errors
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ctx.arc(p.x, p.y, Math.abs(Math.sin(Math.PI*p.progress)*r), 0, 2*Math.PI);
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ctx.fill();
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}
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};
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this.render = function() {
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// stars come faster than they go
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// so user can look at them longer
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// i guess? idk this just looked pretty
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if(p.progress > 0.5)
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p.progress += 0.005;
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else
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p.progress += 0.05;
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p.draw();
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if(p.progress >= 1) p.init();
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}
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}
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var dots = [];
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var n = 20;
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for(var i = 0; i < n; i++) {
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dots[i] = new Point();
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dots[i].init();
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}
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function loop() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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for(var i = 0; i < n; i++) {
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dots[i].render();
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}
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requestAnimationFrame(loop);
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}
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loop();
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var sentences = [
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'Semicolons optional.',
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'Best viewed in Visual Studio Code.',
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'sh -c "$(curl -sL https://nsood.in/randomscript.sh)"',
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'This text is subject to change.',
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'Alliteration alert!',
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'Boolean logic jokes are funny, whether you laugh xor not.',
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];
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var counter = 1;
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var ticker = $("footer .ticker");
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function changeText() {
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var el = ticker,
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text = sentences[counter],
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oldText = el.text();
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var x = setInterval(function() {
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if(oldText.length != 0) {
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oldText = oldText.slice(0, -1);
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el.text(oldText);
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}
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else {
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setTimeout(function() {
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var y = setInterval(function() {
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if(el.text().length != text.length) {
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el.text(text.slice(0, el.text().length+1));
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}
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else {
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setTimeout(function() {
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if(counter >= sentences.length - 1)
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counter = 0;
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else
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counter++;
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changeText();
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}, 5000);
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clearInterval(y);
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}
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}, 60);
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}, 60);
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clearInterval(x);
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}
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}, 60);
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}
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ticker.html(sentences[0]);
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setTimeout(changeText, 5000);
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$('a[href^="#"]').on('click', function(e) {
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e.preventDefault();
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var el = $($(this).attr('href'));
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var distance = Math.abs($(window).scrollTop() - $(el).offset().top);
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var time = Math.floor( Math.sqrt(distance / $(document).height()) * 1500 );
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$('html, body').animate({
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scrollTop: el.offset().top
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}, time);
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});
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// slight convenience: fix the header section with my correct age automatically
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var ages = [
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{
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year: 2018,
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number: ' seventeen'
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},
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{
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year: 2019,
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number: 'n eighteen'
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},
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{
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year: 2020,
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number: ' nineteen',
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},
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{
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year: 2021,
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number: ' twenty',
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extend: true
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},
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{
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year: 2031,
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number: ' thirty',
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extend: true
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},
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// should not be using this website past this age probably hmm
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{
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year: 2041,
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number: ' <insert big-ass number>',
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}
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];
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for(var i = ages.length - 1; i >= 0; i--) {
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var bday = new Date('01/19/' + ages[i].year),
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today = new Date();
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if(bday.getTime() <= today.getTime()) {
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var str = ages[i].number;
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if(ages[i].extend) {
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var numbers = ['', ' one', ' two', ' three', ' four', ' five', ' six', ' seven', ' eight', ' nine'];
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var n = today.getFullYear() - bday.getFullYear();
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str += numbers[n];
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}
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$('.age').html(str);
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break;
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}
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}
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// easter egg
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var sequences = [
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[ 78, 79, 88 ],
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[ 76, 85, 77, 79, 83 ],
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];
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var mode = 0;
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var eei = 0;
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$(window).on('keyup', function(e) {
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var sequence = sequences[mode];
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if(e.keyCode == sequence[eei]) {
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eei++;
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}
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else {
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eei = 0;
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}
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if(eei == sequence.length) {
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if(mode === 1) {
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$('body').removeClass('dark-mode');
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mode = 0;
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}
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else {
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$('body').addClass('dark-mode');
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mode = 1;
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}
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eei = 0;
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}
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}) |