<!DOCTYPE html> <html> <head> <style> .video-container { position: relative; width: 100%; height: 100vh; background: linear-gradient(45deg, #2C3E50, #4CA1AF); } .scene { position: absolute; width: 100%; opacity: 0; transition: 1s; } .active { opacity: 1; } /* 蜂窝转场 */ .honeycomb { clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50%


代码分析 这段代码是一个 HTML 页面,包含一个视频容器和多个分镜场景,通过滚动页面来触发场景的切换效果。整体思路是利用 CSS 样式设置容器和场景的样式,利用 JavaScript 监听滚动事件来控制场景的显示和隐藏。 存在的问题及改进建议 1. 缺少 SVG 内容:在 `.scene` 元素中只是注释了 SVG 动画,没有实际的 SVG 代码。 2. 转场效果未使用:定义了蜂窝转场的样式 `.honeycomb`,但代码中并未使用。 3. 滚动阈值固定:滚动触发场景切换的阈值 `500` 是固定的,可能不适合所有场景。可以根据场景的实际高度来动态调整。 改进后的代码 ```html <!DOCTYPE html> <html> <head> <style> .video-container { position: relative; width: 100%; height: 100vh; background: linear-gradient(45deg, #2C3E50, #4CA1AF); } .scene { position: absolute; width: 100%; opacity: 0; transition: 1s; } .active { opacity: 1; } /* 蜂窝转场 */ .honeycomb { clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); } </style> </head> <body> <div class="video-container"> <div class="scene" data-scene="1"> <!-- 示例 SVG 动画 --> <svg width="100" height="100"> <circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" /> </svg> </div> <!-- 其他分镜场景 --> <div class="scene" data-scene="2"> <!-- 示例 SVG 动画 --> <svg width="100" height="100"> <rect x="10" y="10" width="80" height="80" stroke="blue" stroke-width="4" fill="red" /> </svg> </div> </div> <script> // 滚动触发场景切换 window.addEventListener('scroll', () => { const scrollPos = window.scrollY; document.querySelectorAll('.scene').forEach(scene => { scene.classList.toggle('active', scrollPos >= scene.offsetTop && scrollPos < scene.offsetTop + scene.offsetHeight ); }); }); </script> </body> </html> ``` 额外需要注意的逻辑点 1. SVG 动画性能:如果 SVG 动画过于复杂,可能会影响页面性能,特别是在移动设备上。可以考虑对 SVG 进行优化,减少不必要的元素和动画效果。 2. 滚动事件的频率:滚动事件会频繁触发,可能会导致性能问题。可以使用节流或防抖技术来减少事件的触发频率。 3. 兼容性问题:蜂窝转场的 `clip-path` 属性在一些旧版本的浏览器中可能不支持,需要考虑添加兼容性处理。 [2025-07-05 13:30:47 | AI写代码神器 | 806点数解答]
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- <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>开门动画</title> <style> body, html { margin: 0; padding: 0; height: 100%; overflow: hidden; } #door-container { position: relative; height: 100vh; width: 100vw; overflow: hidden; } .door { position: absolute; top: 0; height: 100%; width: 50%; background: #333; transition: transform 5s ease-in-out; } .left-door { left: 0; tran(495点数解答 | 2024-11-23 16:17:46)177
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