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scrollFullWindow.html
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scrollFullWindow.html
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<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Scrolls!</title>
<style>
body, body *, body *::before, body *::after {
padding: 0;
margin: 0;
box-sizing: border-box;
}
body{
font-family: Verdana, Geneva, Tahoma, sans-serif;
font-size: 20px;
/* padding-top: calc(2*4px + 0.8em + 2*4px); */
overflow: hidden;
background-color: whitesmoke;
}
main{
position: relative;
height: 100vh;
width: 100vw;
z-index: 1;
}
.navbar{
background-color: blanchedalmond;
font-size: 0.8em;
padding: 4px 16px;
display: flex;
justify-content: space-around;
transform: translate3d(0,-80%,0);
transition: transform 0.5s ease-in-out;
border-bottom: 2px solid gainsboro;
}
.navbar a{
text-decoration: none;
color: cadetblue;
padding: 4px 8px;
}
.navbar::after{
content: '^';
color: gainsboro;
background-color: blanchedalmond;
border: 2px solid gainsboro;
border-radius: 50%;
padding: 3px 4px 0;
font-size: 1.2em;
position: absolute;
top: 101%;
left: calc(50% - 4px - 0.6em);
z-index: 90;
cursor: default;
}
.nav-container{
width: 100%;
position: fixed;
top: 0;
left: 0;
z-index: 100;
}
.nav-container:hover .navbar{
transform: translate3d(0,0,0);
}
.sec{
width: 100%;
min-height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
font-size: 1em;
position: absolute;
top: 0;
left: 0;
z-index: 10;
opacity: 0;
overflow-y: auto;
transition: z-index 10ms linear,
opacity 10ms linear;
}
.sec:nth-of-type(odd){
background-color: lightgreen;
color: black;
}
.sec:nth-of-type(even){
background-color:slategrey;
color: white;
}
.sec-content {
font-size: 7em;
}
.show-sec-top{
animation-name: fromTop;
}
.show-sec-bottom{
animation-name: fromBottom;
}
.show-sec-top, .show-sec-bottom{
animation-duration: 0.8s;
animation-timing-function: linear;
animation-fill-mode: forwards;
}
.sec:target{
opacity: 1;
z-index: 20;
transition: z-index 10ms linear,
opacity 10ms linear;
}
@keyframes fromBottom {
from{
transform: translate3d(0,0,0);
}
0.5%{
transform: translate3d(0,100%,0);
z-index: 30;
}
10%{
opacity: 0;
}
85%{
opacity: 1;
}
to{
z-index: 30;
opacity: 1;
transform: translate3d(0,0,0);
}
}
@keyframes fromTop {
from{
transform: translate3d(0,0,0);
}
0.5%{
transform: translate3d(0,-100%,0);
z-index: 30;
}
10%{
opacity: 0;
}
85%{
opacity: 1;
}
to{
z-index: 30;
opacity: 1;
transform: translate3d(0,0,0);
}
}
</style>
</head>
<body>
<div class="nav-container">
<nav id="nav-content" class="navbar">
<a href="#sec-1">link</a>
<a href="#sec-2">link</a>
<a href="#sec-3">link</a>
<a href="#sec-4">link</a>
<a href="#sec-5">link</a>
</nav>
</div>
<main id="scroll-container">
<section id="sec-1" class="sec">
<div class="sec-content">
1
</div>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Assumenda officiis facilis commodi in illum accusantium?</p>
</section>
<section id="sec-2" class="sec">
<div class="sec-content">
2
</div>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Assumenda officiis facilis commodi in illum accusantium?</p>
</section>
<section id="sec-3" class="sec">
<div class="sec-content">
3
</div>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Assumenda officiis facilis commodi in illum accusantium?</p>
</section>
<section id="sec-4" class="sec">
<div class="sec-content">
4
</div>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Assumenda officiis facilis commodi in illum accusantium?</p>
</section>
<section id="sec-5" class="sec">
<div class="sec-content">
5
</div>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Assumenda officiis facilis commodi in illum accusantium?</p>
</section>
</main>
<script>
document.addEventListener('DOMContentLoaded', () => {
const scrollSec = document.getElementById('scroll-container'),
navSec = document.getElementById('nav-content')
if(scrollSec === null || scrollSec === undefined)
throw 'El contenedor padre no existe en el DOM'
let wheelNow = 0,
secChilds = [... scrollSec.children],
scrollRun = false
const scrollCheck = (secView, scrollSill = 8) => {
if(Math.abs(wheelNow) < scrollSill) return
if(scrollRun === true){
wheelNow = 0
return
}
let toNext = secChilds.indexOf(secView)
toNext += wheelNow >= 0
? 1 // ver contenido inferior
: -1 // ver contenido superior
wheelNow = 0
if(toNext < 0 || toNext > (scrollSec.childElementCount -1)) return
toNextSection(secChilds.indexOf(secView), toNext)
scrollRun = true
}
const toNextSection = (indexNow, toNext) => {
let classNext = toNext > indexNow
? 'show-sec-bottom' // ver contenido inferior
: 'show-sec-top' // ver contenido superior
secChilds[toNext].classList.add(classNext)
}
scrollSec.addEventListener('wheel', e => {
wheelNow = parseFloat((wheelNow + e.deltaY).toFixed(3))
scrollCheck( secChilds.find(el => el.id === location.hash.slice(1)) )
})
scrollSec.addEventListener('animationend', e => {
location.hash = e.target.id
e.target.classList.remove([... e.target.classList].pop())
wheelNow = 0
scrollRun = false
})
scrollSec.addEventListener('touchstart', e => {
console.log(e)
wheelNow = Math.floor(e.touches[0].pageY)
})
scrollSec.addEventListener('touchend', e => {
console.log(e)
wheelNow -= Math.floor(e.changedTouches[0].pageY)
scrollCheck(secChilds.find(el => el.id === location.hash.slice(1)), 100)
})
if(navSec !== null || navSec !== undefined){
let navChilds = [... navSec.querySelectorAll('[href]')]
if(navChilds.length !== secChilds.length)
throw 'cantidad de elemento en el contenedor no coincide con los enlaces en la barra de navegacion'
navSec.addEventListener('click', e => {
e.stopPropagation()
if(e.target.getAttribute('href') !== null){
e.preventDefault()
if(e.target.getAttribute('href') === location.hash) return
toNextSection(secChilds.findIndex(el => el.id === location.hash.slice(1)),
navChilds.indexOf(e.target))
}
})
}
if(location.hash.length === 0) location.hash = secChilds[0].id
})
</script>
</body>
</html>