Modal Window with JQUERY

Modal Window with CSS and JQUERY/ Ventana modal con Jquery

By CodyHouse

HTML

<section class="cd-section">
<div class="cd-modal-action">
<a href="#0" class="btn" data-type="modal-trigger">Nice Modal Window</a>
<span class="cd-modal-bg"></span>
</div> <!-- cd-modal-action -->
<div class="cd-modal">
<div class="cd-modal-content">
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad modi repellendus, optio eveniet eligendi molestiae? Fugiat, temporibus! A rerum pariatur neque laborum earum, illum voluptatibus eum voluptatem fugiat, porro animi tempora? Sit harum nulla, nesciunt molestias, iusto aliquam aperiam est qui possimus reprehenderit ipsam ea aut assumenda inventore iste! Animi quaerat facere repudiandae earum quisquam accusamus tempora, delectus nesciunt, provident quae aliquam, voluptatum beatae quis similique in maiores repellat eligendi voluptas veniam optio illum vero! Eius, dignissimos esse eligendi veniam.
</p>
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad modi repellendus, optio eveniet eligendi molestiae? Fugiat, temporibus! A rerum pariatur neque laborum earum, illum voluptatibus eum voluptatem fugiat, porro animi tempora? Sit harum nulla, nesciunt molestias, iusto aliquam aperiam est qui possimus reprehenderit ipsam ea aut assumenda inventore iste! Animi quaerat facere repudiandae earum quisquam accusamus tempora, delectus nesciunt, provident quae aliquam, voluptatum beatae quis similique in maiores repellat eligendi voluptas veniam optio illum vero! Eius, dignissimos esse eligendi veniam.
</p>
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad modi repellendus, optio eveniet eligendi molestiae? Fugiat, temporibus! A rerum pariatur neque laborum earum, illum voluptatibus eum voluptatem fugiat, porro animi tempora? Sit harum nulla, nesciunt molestias, iusto aliquam aperiam est qui possimus reprehenderit ipsam ea aut assumenda inventore iste! Animi quaerat facere repudiandae earum quisquam accusamus tempora, delectus nesciunt, provident quae aliquam, voluptatum beatae quis similique in maiores repellat eligendi voluptas veniam optio illum vero! Eius, dignissimos esse eligendi veniam.
</p>
</div> <!-- cd-modal-content -->
</div> <!-- cd-modal -->
<a href="#0" class="cd-modal-close">Close</a>
</section> <!-- .cd-section -->
CSS

*,::after,::before{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
html{font-size:62.5%}
body{font-size:1.6rem;font-family:"Source Sans Pro",sans-serif;color:#34383c;background-color:#fff;margin:0;padding:0}
body.overflow-hidden{overflow:hidden}
a{color:#03bb91;text-decoration:none}
.cd-section{padding:7em 5%;text-align:center;background-color:#03bb91;height:100vh}
.cd-section p{margin:2em 0;line-height:1.6;color:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
@media only screen and (min-width:768px){.cd-section{padding:4em 10%}
.cd-section p{font-size:1.8rem;line-height:2}}
@media only screen and (min-width:1170px){.cd-section{padding:4em 20%}}
.cd-modal{position:fixed;top:0;left:0;width:100%;height:100%;visibility:hidden;opacity:0;pointer-events:none;-webkit-transition:visibility 0s .3s,opacity .3s 0s,z-index 0s .3s;-moz-transition:visibility 0s .3s,opacity .3s 0s,z-index 0s .3s;transition:visibility 0s .3s,opacity .3s 0s,z-index 0s .3s}
.cd-modal::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:60px;pointer-events:none;background:0 0;background:-webkit-linear-gradient(bottom,#34383c,rgba(52,56,60,0));background:linear-gradient(to top,#34383c,rgba(52,56,60,0))}
.cd-modal .cd-modal-content{height:100%;width:100%;padding:3em 5%;text-align:left;overflow-y:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.cd-modal p{color:#fff;line-height:1.6;margin:2em 0}
.modal-is-visible .cd-modal{z-index:1;visibility:visible;opacity:1;pointer-events:auto;-webkit-transition:visibility 0s 0s,opacity .3s 0s,z-index 0s 0s;-moz-transition:visibility 0s 0s,opacity .3s 0s,z-index 0s 0s;transition:visibility 0s 0s,opacity .3s 0s,z-index 0s 0s}
.modal-is-visible .cd-modal .cd-modal-content{-webkit-overflow-scrolling:touch}
@media only screen and (min-width:768px){.cd-modal .cd-modal-content{padding:4em 10%}}
@media only screen and (min-width:1170px){.cd-modal .cd-modal-content{padding:6em 20%}
.cd-modal p{font-size:2rem;line-height:2}}
.cd-modal-action{position:relative;margin-top:30%}
.cd-modal-action .btn,.cd-modal-action .cd-modal-bg{display:inline-block;height:4em;background-color:#34383c}
.cd-modal-action .btn{width:12.5em;border-radius:5em;color:#fff;line-height:4em;white-space:nowrap;font-weight:700;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-transition:color .2s .3s,width .3s 0s;-moz-transition:color .2s .3s,width .3s 0s;transition:color .2s .3s,width .3s 0s}
.cd-modal-action .btn.to-circle{width:4em;color:transparent;-webkit-transition:color .2s 0s,width .3s .2s;-moz-transition:color .2s 0s,width .3s .2s;transition:color .2s 0s,width .3s .2s}
.cd-modal-action .cd-modal-bg{position:absolute;z-index:1;left:50%;top:0;width:4em;border-radius:50%;opacity:0;visibility:hidden;-webkit-transform:translateZ(0);-moz-transform:translateZ(0);-ms-transform:translateZ(0);transform:translateZ(0);-webkit-transform:translateX(-2em);-moz-transform:translateX(-2em);-ms-transform:translateX(-2em);-o-transform:translateX(-2em);transform:translateX(-2em);-webkit-transition:visibility 0s .5s;-moz-transition:visibility 0s .5s;transition:visibility 0s .5s}
.cd-modal-action .cd-modal-bg.is-visible{opacity:1;visibility:visible}
.cd-modal-close{position:fixed;z-index:1;top:20px;right:5%;height:50px;width:50px;border-radius:50%;background:url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/148866/cd-icon-close_copy.svg) center center no-repeat rgba(0,0,0,.3);overflow:hidden;text-indent:100%;white-space:nowrap;visibility:hidden;opacity:0;-webkit-transform:translateZ(0);-moz-transform:translateZ(0);-ms-transform:translateZ(0);transform:translateZ(0);-webkit-transform:scale(0);-moz-transform:scale(0);-ms-transform:scale(0);-o-transform:scale(0);transform:scale(0);-webkit-transition:-webkit-transform .3s 0s,visibility 0s .3s,opacity .3s 0s;-moz-transition:-moz-transform .3s 0s,visibility 0s .3s,opacity .3s 0s;transition:transform .3s 0s,visibility 0s .3s,opacity .3s 0s}
.no-touch .cd-modal-close:hover{background-color:rgba(0,0,0,.5)}
.modal-is-visible .cd-modal-close{visibility:visible;opacity:1;-webkit-transition:-webkit-transform .3s 0s,visibility 0s 0s,opacity .3s 0s;-moz-transition:-moz-transform .3s 0s,visibility 0s 0s,opacity .3s 0s;transition:transform .3s 0s,visibility 0s 0s,opacity .3s 0s;-webkit-transform:scale(1);-moz-transform:scale(1);-ms-transform:scale(1);-o-transform:scale(1);transform:scale(1)}
@media only screen and (min-width:768px){.cd-modal-close{top:70px}}

JQUERY

https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js

VELOCITY

https://s3-us-west-2.amazonaws.com/s.cdpn.io/148866/velocity.min.js

JS

  jQuery(document).ready(function($){
  //trigger the animation - open modal window
  $('[data-type="modal-trigger"]').on('click', function(){
  var actionBtn = $(this),
  scaleValue = retrieveScale(actionBtn.next('.cd-modal-bg'));
  
  actionBtn.addClass('to-circle');
  actionBtn.next('.cd-modal-bg').addClass('is-visible').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){
  animateLayer(actionBtn.next('.cd-modal-bg'), scaleValue, true);
});

//if browser doesn't support transitions...
if(actionBtn.parents('.no-csstransitions').length > 0 ) animateLayer(actionBtn.next('.cd-modal-bg'), scaleValue, true);
});

//trigger the animation - close modal window
$('.cd-section .cd-modal-close').on('click', function(){
closeModal();
});
$(document).keyup(function(event){
if(event.which=='27') closeModal();
});

$(window).on('resize', function(){
//on window resize - update cover layer dimention and position
if($('.cd-section.modal-is-visible').length > 0) window.requestAnimationFrame(updateLayer);
});

function retrieveScale(btn) {
var btnRadius = btn.width()/2,
left = btn.offset().left + btnRadius,
top = btn.offset().top + btnRadius - $(window).scrollTop(),
scale = scaleValue(top, left, btnRadius, $(window).height(), $(window).width());

btn.css('position', 'fixed').velocity({
top: top - btnRadius,
left: left - btnRadius,
translateX: 0,
}, 0);

return scale;
}

function scaleValue( topValue, leftValue, radiusValue, windowW, windowH) {
var maxDistHor = ( leftValue > windowW/2) ? leftValue : (windowW - leftValue),
maxDistVert = ( topValue > windowH/2) ? topValue : (windowH - topValue);
return Math.ceil(Math.sqrt( Math.pow(maxDistHor, 2) + Math.pow(maxDistVert, 2) )/radiusValue);
}

function animateLayer(layer, scaleVal, bool) {
layer.velocity({ scale: scaleVal }, 400, function(){
$('body').toggleClass('overflow-hidden', bool);
(bool) 
? layer.parents('.cd-section').addClass('modal-is-visible').end().off('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend')
: layer.removeClass('is-visible').removeAttr( 'style' ).siblings('[data-type="modal-trigger"]').removeClass('to-circle');
});
}

function updateLayer() {
var layer = $('.cd-section.modal-is-visible').find('.cd-modal-bg'),
layerRadius = layer.width()/2,
layerTop = layer.siblings('.btn').offset().top + layerRadius - $(window).scrollTop(),
layerLeft = layer.siblings('.btn').offset().left + layerRadius,
scale = scaleValue(layerTop, layerLeft, layerRadius, $(window).height(), $(window).width());

layer.velocity({
top: layerTop - layerRadius,
left: layerLeft - layerRadius,
scale: scale,
}, 0);
}

function closeModal() {
var section = $('.cd-section.modal-is-visible');
section.removeClass('modal-is-visible').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){
animateLayer(section.find('.cd-modal-bg'), 1, false);
});
//if browser doesn't support transitions...
if(section.parents('.no-csstransitions').length > 0 ) animateLayer(section.find('.cd-modal-bg'), 1, false);
}
});
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