js+css实现自带图片缩放动画的儿童故事绘本幻灯片代码-html代码-BFW代码库

js+css实现自带图片缩放动画的儿童故事绘本幻灯片代码

代码语言：html

所属分类：幻灯片

代码描述：js+css实现自带图片缩放动画的儿童故事绘本幻灯片代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <title>抖音故事模板 - 图片切换与Ken Burns</title>
    <style>
        body, html {
            margin: 0;
            padding: 0;
            height: 100%;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #111;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }

        .story-player-douyin {
            width: 360px;
            height: 640px;
            background-color: #000;
            border-radius: 10px;
            box-shadow: 0 0 20px rgba(255,255,255,0.1);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
        }

        .image-viewport {
            flex-grow: 1;
            position: relative;
            overflow: hidden;
            background-color: #222;
        }

        .page {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .page img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            position: absolute;
            top:0; left:0;
            transform: scale(1.1); /* 初始放大，为Ken Burns动画准备 */
            
            /* 关键的CSS动画默认属性 */
            animation-timing-function: ease-in-out; /* 动画缓动函数 */
            animation-iteration-count: 1;          /* 动画播放一次 */
            animation-fill-mode: forwards;       /* 动画结束后停留在最后一帧 */
            /* animation-name 将由JS通过添加class来设定 */
            /* animation-duration 将由JS通过内联样式设定 */
        }

        /* Ken Burns 效果动画 */
        @keyframes kenburns-zoom-in-bottom-right {
            0% { transform: scale(1.1) translate(0, 0); transform-origin: center center; }
            100% { transform: scale(1.3) translate(-5%, -5%); transform-origin: center center; }
        }
        @keyframes kenburns-zoom-out-top-left {
            0% { transform: scale(1.3) translate(-5%, -5%); transform-origin: center center; }
            100% { transform: scale(1.1) translate(0, 0); transform-origin: center center; }
        }
        @keyframes kenburns-zoom-in-from-top-left {
            0% { transform: scale(1.1) translate(0,0); transform-origin: top left; }
            100% { transform: scale(1.25) translate(0,0); transform-origin: top left; }
        }
        @keyframes kenburns-zoom-out-to-bottom-right {
            0% { transform: scale(1.25) translate(0,0); transform-origin: bottom right; }
            100% { transform: scale(1.1) translate(0,0); transform-origin: bottom right; }
        }
        @keyframes kenburns-pan-left-to-right {
            0% { transform: scale(1.15) translateX(-5%); }
            100% { transform: scale(1.15) translateX(5%); }
        }
        @keyframes kenburns-static-zoom {
.........完整代码请登录后点击上方下载按钮下载查看