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video-grid.html
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video-grid.html
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<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<style>
html, body{
height: 100%;
overflow: hidden;
margin: 0px;
font-family: 'Helvetica', sans-serif;
}
.grid-vid-row{
height: 50%;
}
.grid-vid-item{
width: 50%;
height: 100%;
float: left;
}
/*
CSS filter property
https://www.w3schools.com/cssref/css3_pr_filter.asp
CSS filter demo
https://www.w3schools.com/cssref/playit.asp?filename=playcss_filter&preval=none
*/
.grid-vid{
width: 100%;
height: 100%;
filter: grayscale(100%);
transition: filter 2s;
}
.grid-vid:hover{
filter: grayscale(0%);
cursor: pointer;
}
@keyframes changeColor{
from{
filter: hue-rotate(0deg);
}
to{
filter: hue-rotate(360deg);
}
}
</style>
<body>
<div class="grid-vid-row">
<div class="grid-vid-item">
<video onclick="" class="grid-vid" autoplay loop muted>
<source src="assets/video/piano_jiwon.mp4" type="video/mp4">
</video>
</div>
<div class="grid-vid-item">
<video class="grid-vid" autoplay loop muted>
<source src="assets/video/piano_leon.mp4" type="video/mp4">
</video>
</div>
</div>
<div class="grid-vid-row">
<div class="grid-vid-item">
<video class="grid-vid" autoplay loop muted>
<source src="assets/video/guitar.mp4" type="video/mp4">
</video>
</div>
<div class="grid-vid-item">
<video class="grid-vid" autoplay loop muted>
<source src="assets/video/drum.mp4" type="video/mp4">
</video>
</div>
</div>
</body>
<script type="text/javascript">
//Audio / Video DOM references
//https://www.w3schools.com/tags/ref_av_dom.asp
var grid_videos = [];
var numPlaying = 0;
window.onload = function(){
console.log("loading window");
full_vid = document.getElementById('full-page');
options = document.getElementById('options');
grid_videos = document.getElementsByClassName('grid-vid');
for(var i = 0; i < grid_videos.length; i++){
// grid_videos[i].setAttribute("onmouseover", "unmuteVid("+ i + ")");
// grid_videos[i].setAttribute("onmouseout", "muteVid(" + i + ")");
grid_videos[i].setAttribute("onclick", "playVid(" + i + ")");
}
};
function unmuteVid(vidNum){
// console.log(vidNum);
grid_videos[vidNum].muted = false;
}
function muteVid(vidNum){
grid_videos[vidNum].muted = true;
}
function playVid(vidNum){
var video = grid_videos[vidNum];
video.muted = !video.muted;
if(video.muted){
video.style.filter = "grayscale(100%)";
numPlaying--;
}else{
video.style.filter = "grayscale(0%)";
numPlaying++;
}
console.log(numPlaying);
if(numPlaying == 4){
console.log("all playing!");
for(var i = 0; i < grid_videos.length; i++){
document.body.style.backgroundColor = "red";
grid_videos[i].style.animation = "changeColor 1s infinite";
}
}else{
for(var i = 0; i < grid_videos.length; i++){
document.body.style.backgroundColor = "white";
grid_videos[i].style.animation = null;
}
}
}
</script>
</html>