var radius = 240;
var autoRotate = true;
var rotateSpeed = -60;
var imgWidth = 120;
var imgHeight = 170;
var bgMusicURL = 'https://api.soundcloud.com/tracks/143041228/stream?client_id=587aa2d384f7333a886010d5f52f302a';
var bgMusicControls = true;
setTimeout(init, 1000);
var odrag = document.getElementById('drag-container');
var ospin = document.getElementById('spin-container');
var aImg = ospin.getElementsByTagName('img');
var aVid = ospin.getElementsByTagName('video');
var aEle = [...aImg, ...aVid];
ospin.style.width = imgWidth + "px";
ospin.style.height = imgHeight + "px";
var ground = document.getElementById('ground');
ground.style.width = radius * 3 + "px";
ground.style.height = radius * 3 + "px";
function init(delayTime) {
for (var i = 0; i < aEle.length; i++) {
aEle[i].style.transform = "rotateY(" + (i * (360 / aEle.length)) + "deg) translateZ(" + radius + "px)";
aEle[i].style.transition = "transform 1s";
aEle[i].style.transitionDelay = delayTime || (aEle.length - i) / 4 + "s";
}
}
function applyTranform(obj) {
if(tY > 180) tY = 180;
if(tY < 0) tY = 0;
obj.style.transform = "rotateX(" + (-tY) + "deg) rotateY(" + (tX) + "deg)";
}
function playSpin(yes) {
ospin.style.animationPlayState = (yes?'running':'paused');
}
var sX, sY, nX, nY, desX = 0,
desY = 0,
tX = 0,
tY = 10;
if (autoRotate) {
var animationName = (rotateSpeed > 0 ? 'spin' : 'spinRevert');
ospin.style.animation = `${animationName} ${Math.abs(rotateSpeed)}s infinite linear`;
}
if (bgMusicURL) {
document.getElementById('music-container').innerHTML += `
<audio src="${bgMusicURL}" ${bgMusicControls? 'controls': ''} autoplay loop>
<p>If you are reading this, it is because your browser does not support the audio element.</p>
</audio>
`;
}
document.onpointerdown = function (e) {
clearInterval(odrag.timer);
e = e || window.event;
var sX = e.clientX,
sY = e.clientY;
this.onpointermove = function (e) {
e = e || window.event;
var nX = e.clientX,
nY = e.clientY;
desX = nX - sX;
desY = nY - sY;
tX += desX * 0.1;
tY += desY * 0.1;
applyTranform(odrag);
sX = nX;
sY = nY;
};
this.onpointerup = function (e) {
odrag.timer = setInterval(function () {
desX *= 0.95;
desY *= 0.95;
tX += desX * 0.1;
tY += desY * 0.1;
applyTranform(odrag);
playSpin(false);
if (Math.abs(desX) < 0.5 && Math.abs(desY) < 0.5) {
clearInterval(odrag.timer);
playSpin(true);
}
}, 17);
this.onpointermove = this.onpointerup = null;
};
return false;
};
document.onmousewheel = function(e) {
e = e || window.event;
var d = e.wheelDelta / 20 || -e.detail;
radius += d;
init(1);
};