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<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1.0"
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/>
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<title>强烈吸附滚动效果</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family:
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'Segoe UI',
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system-ui,
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-apple-system,
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sans-serif;
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background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
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color: #fff;
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overflow: hidden;
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height: 100vh;
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}
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/* 导航指示器 */
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.nav-indicator {
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position: fixed;
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right: 30px;
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top: 50%;
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transform: translateY(-50%);
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z-index: 100;
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display: flex;
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flex-direction: column;
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gap: 20px;
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background: rgba(255, 255, 255, 0.1);
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padding: 20px 15px;
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border-radius: 30px;
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backdrop-filter: blur(10px);
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border: 1px solid rgba(255, 255, 255, 0.2);
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}
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.nav-dot {
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width: 12px;
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height: 12px;
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background: rgba(255, 255, 255, 0.3);
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border-radius: 50%;
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cursor: pointer;
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transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
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position: relative;
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}
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.nav-dot:hover::after {
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content: attr(data-title);
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position: absolute;
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right: 25px;
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top: 50%;
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transform: translateY(-50%);
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background: rgba(0, 0, 0, 0.8);
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color: white;
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padding: 6px 12px;
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border-radius: 6px;
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font-size: 14px;
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white-space: nowrap;
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pointer-events: none;
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}
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.nav-dot.active {
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width: 18px;
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height: 18px;
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background: #00ff88;
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box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
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animation: pulse 2s infinite;
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}
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@keyframes pulse {
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0%,
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100% {
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transform: scale(1);
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box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
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}
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50% {
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transform: scale(1.2);
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box-shadow: 0 0 30px rgba(0, 255, 136, 0.8);
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}
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}
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/* 滚动容器 */
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.scroll-container {
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height: 100vh;
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overflow-y: auto;
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scroll-behavior: auto; /* 禁用默认平滑滚动，使用自定义动画 */
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scroll-snap-type: y mandatory;
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position: relative;
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scrollbar-width: none; /* Firefox */
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-ms-overflow-style: none; /* IE/Edge */
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}
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.scroll-container::-webkit-scrollbar {
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display: none; /* Chrome/Safari */
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}
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/* 滚动区域 */
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.section {
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height: 100vh;
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scroll-snap-align: start;
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position: relative;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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padding: 40px;
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opacity: 0.5;
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transform: scale(0.9);
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transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
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border-bottom: 2px solid rgba(255, 255, 255, 0.1);
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}
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.section.active {
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opacity: 1;
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transform: scale(1);
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z-index: 2;
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}
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/* 每个section的独特样式 */
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.section-1 {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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}
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.section-2 {
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background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
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}
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.section-3 {
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background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
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}
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.section-4 {
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background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
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}
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.section-5 {
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background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
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}
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/* 内容样式 */
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.section-content {
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text-align: center;
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max-width: 800px;
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padding: 40px;
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background: rgba(0, 0, 0, 0.3);
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border-radius: 20px;
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backdrop-filter: blur(10px);
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border: 1px solid rgba(255, 255, 255, 0.1);
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box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
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transform: translateY(50px);
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transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
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}
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.section.active .section-content {
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transform: translateY(0);
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}
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.section h1 {
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font-size: 3.5rem;
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margin-bottom: 20px;
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background: linear-gradient(45deg, #fff, #00ff88);
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-webkit-background-clip: text;
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background-clip: text;
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color: transparent;
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text-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
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}
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.section p {
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font-size: 1.2rem;
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line-height: 1.6;
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margin-bottom: 30px;
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color: rgba(255, 255, 255, 0.9);
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}
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/* 控制按钮 */
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.controls {
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position: fixed;
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bottom: 40px;
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left: 50%;
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transform: translateX(-50%);
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display: flex;
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gap: 20px;
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z-index: 100;
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}
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.control-btn {
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background: rgba(255, 255, 255, 0.2);
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border: none;
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color: white;
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padding: 15px 30px;
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border-radius: 50px;
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font-size: 16px;
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cursor: pointer;
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transition: all 0.3s ease;
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backdrop-filter: blur(10px);
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border: 1px solid rgba(255, 255, 255, 0.3);
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display: flex;
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align-items: center;
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gap: 10px;
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font-weight: 600;
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}
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.control-btn:hover {
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background: rgba(255, 255, 255, 0.3);
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transform: translateY(-3px);
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box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
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}
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.control-btn:active {
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transform: translateY(-1px);
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}
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/* 滚动提示 */
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.scroll-hint {
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position: absolute;
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bottom: 40px;
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left: 50%;
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transform: translateX(-50%);
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 10px;
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color: rgba(255, 255, 255, 0.7);
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animation: bounce 2s infinite;
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opacity: 0;
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transition: opacity 0.5s;
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}
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.section.active .scroll-hint {
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opacity: 1;
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}
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@keyframes bounce {
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0%,
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20%,
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50%,
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80%,
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100% {
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transform: translateY(0) translateX(-50%);
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}
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40% {
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transform: translateY(-10px) translateX(-50%);
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}
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60% {
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transform: translateY(-5px) translateX(-50%);
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}
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}
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.mouse {
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width: 30px;
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height: 50px;
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border: 2px solid rgba(255, 255, 255, 0.7);
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border-radius: 20px;
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position: relative;
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}
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.wheel {
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width: 4px;
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height: 10px;
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background: rgba(255, 255, 255, 0.7);
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border-radius: 2px;
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position: absolute;
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top: 10px;
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left: 50%;
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transform: translateX(-50%);
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animation: wheel 2s infinite;
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}
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@keyframes wheel {
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0% {
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transform: translateX(-50%) translateY(0);
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opacity: 1;
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}
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100% {
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transform: translateX(-50%) translateY(20px);
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opacity: 0;
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}
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}
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/* 进度条 */
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.progress-bar {
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 4px;
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background: rgba(255, 255, 255, 0.1);
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z-index: 1000;
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}
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.progress {
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height: 100%;
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background: linear-gradient(90deg, #00ff88, #00ccff);
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width: 0%;
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transition: width 0.3s ease;
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box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
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}
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/* 响应式设计 */
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@media (max-width: 768px) {
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.section h1 {
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font-size: 2.5rem;
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}
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.section-content {
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padding: 20px;
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margin: 20px;
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}
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.nav-indicator {
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right: 15px;
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padding: 15px 10px;
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}
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.controls {
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bottom: 20px;
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}
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.control-btn {
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padding: 12px 20px;
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font-size: 14px;
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}
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}
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</style>
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</head>
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<body>
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<!-- 进度条 -->
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<div class="progress-bar">
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<div class="progress"></div>
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</div>
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<!-- 导航指示器 -->
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<div class="nav-indicator">
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<div
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class="nav-dot active"
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data-title="欢迎"
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onclick="scrollToSection(0)"
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></div>
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<div
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class="nav-dot"
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data-title="功能"
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onclick="scrollToSection(1)"
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></div>
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<div
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class="nav-dot"
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data-title="特性"
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onclick="scrollToSection(2)"
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></div>
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<div
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class="nav-dot"
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data-title="演示"
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onclick="scrollToSection(3)"
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></div>
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<div
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class="nav-dot"
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data-title="开始"
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onclick="scrollToSection(4)"
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></div>
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</div>
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<!-- 滚动容器 -->
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<div
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class="scroll-container"
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id="scrollContainer"
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>
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<!-- Section 1 -->
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<section class="section section-1 active">
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<div class="section-content">
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<h1>🎯 强烈吸附滚动</h1>
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<p>体验具有强烈动画效果的滚动吸附技术。每个页面都有独特的过渡效果和视觉反馈。</p>
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<p>使用自定义缓动函数和物理模拟实现流畅而有力的滚动体验。</p>
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</div>
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<div class="scroll-hint">
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<div class="mouse">
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<div class="wheel"></div>
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</div>
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<span>向下滚动</span>
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</div>
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</section>
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<!-- Section 2 -->
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<section class="section section-2">
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<div class="section-content">
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<h1>⚡ 强力动画</h1>
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<p>自定义缓动函数创造强烈的物理感，让滚动不再单调。</p>
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<p>每个滚动动作都有弹簧般的回弹效果和流畅的视觉过渡。</p>
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<p>基于物理的动画模拟，让交互更加自然和令人愉悦。</p>
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</div>
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</section>
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<!-- Section 3 -->
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<section class="section section-3">
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<div class="section-content">
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<h1>🎨 视觉反馈</h1>
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<p>实时视觉反馈增强用户感知，让每个交互都有明确的响应。</p>
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<p>缩放、阴影、发光效果共同创造沉浸式的浏览体验。</p>
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<p>进度指示器和导航点帮助用户了解当前位置。</p>
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</div>
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</section>
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<!-- Section 4 -->
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<section class="section section-4">
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<div class="section-content">
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<h1>🚀 性能优化</h1>
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<p>使用GPU加速的CSS transform属性，确保60fps流畅动画。</p>
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<p>智能节流和防抖技术，避免过度渲染。</p>
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<p>移动端优化，保持触控设备的流畅体验。</p>
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</div>
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</section>
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<!-- Section 5 -->
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<section class="section section-5">
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<div class="section-content">
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<h1>🚀 立即开始</h1>
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<p>将这种强大的滚动效果应用到你的项目中，提升用户体验。</p>
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<p>代码完全可定制，支持响应式设计，兼容现代浏览器。</p>
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</div>
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</section>
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</div>
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<!-- 控制按钮 -->
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<div class="controls">
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<button
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class="control-btn"
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onclick="prevSection()"
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>
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<span>⬆️</span> 上一页
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</button>
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<button
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class="control-btn"
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onclick="nextSection()"
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>
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下一页 <span>⬇️</span>
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</button>
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</div>
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<script>
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// 获取元素
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|
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const scrollContainer = document.getElementById('scrollContainer');
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const sections = document.querySelectorAll('.section');
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const navDots = document.querySelectorAll('.nav-dot');
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const progress = document.querySelector('.progress');
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// 当前激活的section索引
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let currentSection = 0;
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let isScrolling = false;
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// 自定义缓动函数 - 强烈的弹性效果
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const easingFunctions = {
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easeOutElastic: (x) => {
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|
|
const c4 = (2 * Math.PI) / 3;
|
|
|
return x === 0 ? 0 : x === 1 ? 1 : Math.pow(2, -10 * x) * Math.sin((x * 10 - 0.75) * c4) + 1;
|
|
|
},
|
|
|
|
|
|
easeOutBack: (x) => {
|
|
|
const c1 = 1.70158;
|
|
|
const c3 = c1 + 1;
|
|
|
return 1 + c3 * Math.pow(x - 1, 3) + c1 * Math.pow(x - 1, 2);
|
|
|
},
|
|
|
|
|
|
// 强烈的弹跳效果
|
|
|
strongBounce: (x) => {
|
|
|
if (x < 1 / 2.75) {
|
|
|
return 7.5625 * x * x;
|
|
|
} else if (x < 2 / 2.75) {
|
|
|
return 7.5625 * (x -= 1.5 / 2.75) * x + 0.75;
|
|
|
} else if (x < 2.5 / 2.75) {
|
|
|
return 7.5625 * (x -= 2.25 / 2.75) * x + 0.9375;
|
|
|
} else {
|
|
|
return 7.5625 * (x -= 2.625 / 2.75) * x + 0.984375;
|
|
|
}
|
|
|
},
|
|
|
};
|
|
|
|
|
|
// 平滑滚动函数
|
|
|
function smoothScrollTo(targetPosition, duration = 800) {
|
|
|
if (isScrolling) return;
|
|
|
isScrolling = true;
|
|
|
|
|
|
const startPosition = scrollContainer.scrollTop;
|
|
|
const distance = targetPosition - startPosition;
|
|
|
const startTime = performance.now();
|
|
|
|
|
|
// 根据滚动距离调整持续时间
|
|
|
const adjustedDuration = Math.min(duration, 500 + Math.abs(distance) / 3);
|
|
|
|
|
|
function animate(currentTime) {
|
|
|
const elapsed = currentTime - startTime;
|
|
|
const progress = Math.min(elapsed / adjustedDuration, 1);
|
|
|
|
|
|
// 使用强烈的弹性效果
|
|
|
const easing = easingFunctions.easeOutElastic(progress);
|
|
|
|
|
|
scrollContainer.scrollTop = startPosition + distance * easing;
|
|
|
|
|
|
if (progress < 1) {
|
|
|
requestAnimationFrame(animate);
|
|
|
} else {
|
|
|
setTimeout(() => {
|
|
|
isScrolling = false;
|
|
|
updateActiveSection();
|
|
|
}, 100);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
requestAnimationFrame(animate);
|
|
|
}
|
|
|
|
|
|
// 滚动到指定section
|
|
|
function scrollToSection(index) {
|
|
|
if (index < 0 || index >= sections.length || isScrolling) return;
|
|
|
|
|
|
currentSection = index;
|
|
|
const targetSection = sections[index];
|
|
|
const targetPosition = targetSection.offsetTop;
|
|
|
|
|
|
// 更新导航点
|
|
|
updateNavDots(index);
|
|
|
|
|
|
// 执行平滑滚动
|
|
|
smoothScrollTo(targetPosition, 1000);
|
|
|
}
|
|
|
|
|
|
// 下一个section
|
|
|
function nextSection() {
|
|
|
if (currentSection < sections.length - 1) {
|
|
|
scrollToSection(currentSection + 1);
|
|
|
} else {
|
|
|
// 如果已经是最后一个，回到第一个
|
|
|
scrollToSection(0);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 上一个section
|
|
|
function prevSection() {
|
|
|
if (currentSection > 0) {
|
|
|
scrollToSection(currentSection - 1);
|
|
|
} else {
|
|
|
// 如果已经是第一个，跳到最后
|
|
|
scrollToSection(sections.length - 1);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 更新导航点状态
|
|
|
function updateNavDots(activeIndex) {
|
|
|
navDots.forEach((dot, index) => {
|
|
|
dot.classList.toggle('active', index === activeIndex);
|
|
|
});
|
|
|
}
|
|
|
|
|
|
// 更新section激活状态
|
|
|
function updateActiveSection() {
|
|
|
const scrollMiddle = scrollContainer.scrollTop + scrollContainer.clientHeight / 2;
|
|
|
|
|
|
sections.forEach((section, index) => {
|
|
|
const sectionTop = section.offsetTop;
|
|
|
const sectionBottom = sectionTop + section.offsetHeight;
|
|
|
|
|
|
if (scrollMiddle >= sectionTop && scrollMiddle < sectionBottom) {
|
|
|
section.classList.add('active');
|
|
|
currentSection = index;
|
|
|
updateNavDots(index);
|
|
|
} else {
|
|
|
section.classList.remove('active');
|
|
|
}
|
|
|
});
|
|
|
}
|
|
|
|
|
|
// 更新进度条
|
|
|
function updateProgress() {
|
|
|
const scrollTop = scrollContainer.scrollTop;
|
|
|
const scrollHeight = scrollContainer.scrollHeight - scrollContainer.clientHeight;
|
|
|
const progressPercent = (scrollTop / scrollHeight) * 100;
|
|
|
progress.style.width = `${progressPercent}%`;
|
|
|
}
|
|
|
|
|
|
// 处理鼠标滚轮事件
|
|
|
let wheelTimeout;
|
|
|
scrollContainer.addEventListener(
|
|
|
'wheel',
|
|
|
(e) => {
|
|
|
e.preventDefault();
|
|
|
|
|
|
clearTimeout(wheelTimeout);
|
|
|
wheelTimeout = setTimeout(() => {
|
|
|
if (isScrolling) return;
|
|
|
|
|
|
const direction = e.deltaY > 0 ? 1 : -1;
|
|
|
const newIndex = Math.max(0, Math.min(sections.length - 1, currentSection + direction));
|
|
|
|
|
|
if (newIndex !== currentSection) {
|
|
|
scrollToSection(newIndex);
|
|
|
}
|
|
|
}, 100);
|
|
|
},
|
|
|
{ passive: false }
|
|
|
);
|
|
|
|
|
|
// 处理触摸滑动
|
|
|
let touchStartY = 0;
|
|
|
scrollContainer.addEventListener(
|
|
|
'touchstart',
|
|
|
(e) => {
|
|
|
touchStartY = e.touches[0].clientY;
|
|
|
},
|
|
|
{ passive: true }
|
|
|
);
|
|
|
|
|
|
scrollContainer.addEventListener(
|
|
|
'touchend',
|
|
|
(e) => {
|
|
|
if (isScrolling) return;
|
|
|
|
|
|
const touchEndY = e.changedTouches[0].clientY;
|
|
|
const deltaY = touchStartY - touchEndY;
|
|
|
|
|
|
// 只有滑动距离足够大才触发
|
|
|
if (Math.abs(deltaY) > 50) {
|
|
|
const direction = deltaY > 0 ? 1 : -1;
|
|
|
const newIndex = Math.max(0, Math.min(sections.length - 1, currentSection + direction));
|
|
|
|
|
|
if (newIndex !== currentSection) {
|
|
|
scrollToSection(newIndex);
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
{ passive: true }
|
|
|
);
|
|
|
|
|
|
// 监听滚动事件
|
|
|
scrollContainer.addEventListener('scroll', () => {
|
|
|
updateActiveSection();
|
|
|
updateProgress();
|
|
|
});
|
|
|
|
|
|
// 键盘控制
|
|
|
document.addEventListener('keydown', (e) => {
|
|
|
if (e.key === 'ArrowDown' || e.key === ' ') {
|
|
|
e.preventDefault();
|
|
|
nextSection();
|
|
|
} else if (e.key === 'ArrowUp') {
|
|
|
e.preventDefault();
|
|
|
prevSection();
|
|
|
} else if (e.key === 'Home') {
|
|
|
e.preventDefault();
|
|
|
scrollToSection(0);
|
|
|
} else if (e.key === 'End') {
|
|
|
e.preventDefault();
|
|
|
scrollToSection(sections.length - 1);
|
|
|
}
|
|
|
});
|
|
|
|
|
|
// 初始更新
|
|
|
updateProgress();
|
|
|
|
|
|
// 添加一些动态效果到section内容
|
|
|
sections.forEach((section, index) => {
|
|
|
const content = section.querySelector('.section-content');
|
|
|
|
|
|
// 鼠标悬停效果
|
|
|
content.addEventListener('mouseenter', () => {
|
|
|
if (section.classList.contains('active')) {
|
|
|
content.style.transform = 'translateY(-10px) scale(1.02)';
|
|
|
content.style.boxShadow = '0 30px 60px rgba(0, 0, 0, 0.4)';
|
|
|
}
|
|
|
});
|
|
|
|
|
|
content.addEventListener('mouseleave', () => {
|
|
|
if (section.classList.contains('active')) {
|
|
|
content.style.transform = 'translateY(0) scale(1)';
|
|
|
content.style.boxShadow = '0 20px 40px rgba(0, 0, 0, 0.3)';
|
|
|
}
|
|
|
});
|
|
|
});
|
|
|
|
|
|
// 自动滚动演示（可选）
|
|
|
let autoScrollInterval;
|
|
|
function startAutoScroll() {
|
|
|
if (autoScrollInterval) clearInterval(autoScrollInterval);
|
|
|
|
|
|
autoScrollInterval = setInterval(() => {
|
|
|
nextSection();
|
|
|
}, 5000);
|
|
|
}
|
|
|
|
|
|
function stopAutoScroll() {
|
|
|
if (autoScrollInterval) clearInterval(autoScrollInterval);
|
|
|
}
|
|
|
|
|
|
// 用户交互时停止自动滚动
|
|
|
scrollContainer.addEventListener('wheel', stopAutoScroll);
|
|
|
scrollContainer.addEventListener('touchstart', stopAutoScroll);
|
|
|
document.addEventListener('keydown', stopAutoScroll);
|
|
|
|
|
|
// 页面加载后开始自动滚动（可选）
|
|
|
// setTimeout(() => startAutoScroll(), 3000);
|
|
|
</script>
|
|
|
</body>
|
|
|
</html>
|