特效描述:js css3 3D旋转图片切换,js css3酷炫的3D图片旋转切换,3D旋转的图片轮播代码。(不兼容IE6,7,8)
代码结构
1. 引入CSS
2. HTML代码
Prev
Next
Prev
Next
Prev
Next
Prev
Next
Prev
Next
Prev
Next
'use strict';
window.addEventListener('load', function () {
var carousels = document.querySelectorAll('.carousel');
for (var i = 0; i < carousels.length; i++) {
carousel(carousels[i]);
}
});
function carousel(root) {
var figure = root.querySelector('figure'),
nav = root.querySelector('nav'),
images = figure.children,
n = images.length,
gap = root.dataset.gap || 0,
bfc = 'bfc' in root.dataset,
theta = 2 * Math.PI / n,
currImage = 0;
setupCarousel(n, parseFloat(getComputedStyle(images[0]).width));
window.addEventListener('resize', function () {
setupCarousel(n, parseFloat(getComputedStyle(images[0]).width));
});
setupNavigation();
function setupCarousel(n, s) {
var apothem = s / (2 * Math.tan(Math.PI / n));
figure.style.transformOrigin = '50% 50% ' + -apothem + 'px';
for (var i = 0; i < n; i++) {
images[i].style.padding = gap + 'px';
}for (i = 1; i < n; i++) {
images[i].style.transformOrigin = '50% 50% ' + -apothem + 'px';
images[i].style.transform = 'rotateY(' + i * theta + 'rad)';
}
if (bfc) for (i = 0; i < n; i++) {
images[i].style.backfaceVisibility = 'hidden';
}rotateCarousel(currImage);
}
function setupNavigation() {
nav.addEventListener('click', onClick, true);
function onClick(e) {
e.stopPropagation();
var t = e.target;
if (t.tagName.toUpperCase() != 'BUTTON') return;
if (t.classList.contains('next')) {
currImage++;
} else {
currImage--;
}
rotateCarousel(currImage);
}
}
function rotateCarousel(imageIndex) {
figure.style.transform = 'rotateY(' + imageIndex * -theta + 'rad)';
}
}