首先先來看看最終展示效果
當鼠標靠近“開始探索”的按鈕的時候,按鈕放大并有微弱光效
鼠標靠近之前會給視窗添加一層接近背景的朦朧感,當鼠標放在視窗上朦朧感消失
技術不復雜,這個網頁主要是使用了以下關鍵技術:
- HTML5 語義化標簽構建頁面結構
- Tailwind CSS v3 實現響應式設計與樣式
- JavaScript 結合 Canvas API 創建液態動畫效果
- Font Awesome 圖標增強視覺表現力
核心樣式與配色方案
tailwind.config = {theme: {extend: {colors: {primary: '#3B82F6', // 主色調-藍色secondary: '#8B5CF6', // 次色調-紫色accent: '#EC4899', // 強調色-粉色dark: '#1E293B', // 深色背景},fontFamily: {inter: ['Inter', 'sans-serif'],},},}
}
自定義工具類與動畫效果
接下來是自定義的工具類和動畫,這些是實現液態效果的關鍵:
@layer utilities {.content-auto {content-visibility: auto;}.liquid-blob {filter: url(#liquid);}.text-shadow {text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);}.animate-float {animation: float 6s ease-in-out infinite;}.animate-pulse-slow {animation: pulse 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;}
}@keyframes float {0% { transform: translateY(0px); }50% { transform: translateY(-20px); }100% { transform: translateY(0px); }
}
這里定義了幾個關鍵類:
.liquid-blob
?使用了我在后面定義的 SVG 濾鏡,實現液態模糊效果.animate-float
?創建了元素上下浮動的動畫效果- 還有文本陰影和內容可見性優化等實用工具類
頁面結構解析
整個頁面分為幾個主要部分:
- 液態效果容器(背景動畫)
- 拖尾效果容器(鼠標交互反饋)
- 內容區域(包含導航、英雄區、特點展示等)
導航欄設計
導航欄采用了簡潔現代的設計,在深色背景上使用漸變文字突出品牌名稱:
<nav class="flex justify-between items-center mb-20"><div class="text-2xl font-bold tracking-tight"><span class="text-primary">液態</span><span class="text-secondary">交互</span></div><div class="hidden md:flex space-x-8"><a href="#" class="hover:text-primary transition-colors duration-300">首頁</a><a href="#" class="hover:text-primary transition-colors duration-300">作品</a><a href="#" class="hover:text-primary transition-colors duration-300">關于</a><a href="#" class="hover:text-primary transition-colors duration-300">聯系</a></div><button class="md:hidden text-2xl"><i class="fa fa-bars"></i></button>
</nav>
為了更好的展示頁面的視覺焦點,使用了動態字體大小和漸變按鈕:
<section class="text-center mb-24"><h1 class="text-[clamp(2.5rem,5vw,4rem)] font-bold mb-6 leading-tight text-shadow">探索<span class="text-primary">液態</span>與<span class="text-secondary">交互</span>的完美融合</h1><p class="text-lg md:text-xl text-gray-300 max-w-3xl mx-auto mb-10">當鼠標劃過屏幕,見證流動的視覺盛宴。每一次移動都創造獨特的液態軌跡...</p><button class="bg-gradient-to-r from-primary to-secondary px-8 py-3 rounded-full font-medium hover:shadow-lg hover:shadow-primary/20 transition-all duration-300 transform hover:scale-105">開始探索</button>
</section>
注意text-[clamp(2.5rem,5vw,4rem)]
這個動態字體大小設置,它會根據視口寬度自動調整標題大小。
液態背景效果實現
現在進入最核心的部分 —— 液態背景效果的實現。這部分使用 Canvas API 創建了流動的液態 blob 效果。
// 液態背景效果
document.addEventListener('DOMContentLoaded', () => {// 創建液態背景const liquidContainer = document.getElementById('liquid-container');const liquidCanvas = document.createElement('canvas');liquidCanvas.id = 'liquid-canvas';liquidCanvas.className = 'absolute inset-0';liquidContainer.appendChild(liquidCanvas);const ctx = liquidCanvas.getContext('2d');// 設置Canvas尺寸function resizeCanvas() {liquidCanvas.width = window.innerWidth;liquidCanvas.height = window.innerHeight;}resizeCanvas();window.addEventListener('resize', resizeCanvas);
首先我們創建了 Canvas 元素并設置其尺寸隨窗口大小變化,這是實現響應式液態效果的基礎。
接下來是液態 blob 的創建和動畫邏輯:
// 液態效果參數const blobs = [];const blobCount = 8;const colors = ['rgba(59, 130, 246, 0.5)', // primary'rgba(139, 92, 246, 0.5)', // secondary'rgba(236, 72, 153, 0.5)' // accent];// 創建液滴for (let i = 0; i < blobCount; i++) {blobs.push({x: Math.random() * liquidCanvas.width,y: Math.random() * liquidCanvas.height,radius: 50 + Math.random() * 100,speedX: (Math.random() - 0.5) * 0.5,speedY: (Math.random() - 0.5) * 0.5,color: colors[Math.floor(Math.random() * colors.length)],rotation: Math.random() * Math.PI * 2,rotationSpeed: (Math.random() - 0.5) * 0.01});}
這里我創建了 8 個液態 blob,每個都有隨機的位置、大小、移動速度和顏色。注意speedX
和speedY
使用了(Math.random() - 0.5)
來產生正負值,使 blob 可以在兩個方向上移動。
動畫循環是實現液態效果的核心:
// 動畫循環function animate() {ctx.clearRect(0, 0, liquidCanvas.width, liquidCanvas.height);// 繪制背景漸變const bgGradient = ctx.createLinearGradient(0, 0, liquidCanvas.width, liquidCanvas.height);bgGradient.addColorStop(0, '#1E293B');bgGradient.addColorStop(1, '#0F172A');ctx.fillStyle = bgGradient;ctx.fillRect(0, 0, liquidCanvas.width, liquidCanvas.height);// 繪制所有液滴ctx.save();ctx.filter = 'blur(40px)';blobs.forEach(blob => {// 更新位置和旋轉blob.x += blob.speedX;blob.y += blob.speedY;blob.rotation += blob.rotationSpeed;// 邊界檢查if (blob.x < -blob.radius) blob.x = liquidCanvas.width + blob.radius;if (blob.x > liquidCanvas.width + blob.radius) blob.x = -blob.radius;if (blob.y < -blob.radius) blob.y = liquidCanvas.height + blob.radius;if (blob.y > liquidCanvas.height + blob.radius) blob.y = -blob.radius;// 繪制液滴ctx.beginPath();ctx.fillStyle = blob.color;// 創建一個不規則形狀const points = 8;ctx.moveTo(blob.x + blob.radius * Math.cos(blob.rotation),blob.y + blob.radius * Math.sin(blob.rotation));for (let i = 1; i < points; i++) {const angle = blob.rotation + (i * Math.PI * 2) / points;const distance = blob.radius * (0.8 + 0.4 * Math.sin(i * 1.5 + blob.rotation * 0.5));ctx.lineTo(blob.x + distance * Math.cos(angle),blob.y + distance * Math.sin(angle));}ctx.closePath();ctx.fill();});ctx.restore();requestAnimationFrame(animate);}animate();
鼠標拖尾交互效果
接下來是鼠標交互的拖尾效果,這是提升用戶體驗的關鍵部分:
// 鼠標拖尾效果const trailContainer = document.getElementById('trail-container');const trailElements = [];const maxTrailElements = 20;// 創建拖尾元素for (let i = 0; i < maxTrailElements; i++) {const trail = document.createElement('div');trail.className = 'absolute rounded-full liquid-blob';trail.style.width = `${10 + i * 1.5}px`;trail.style.height = `${10 + i * 1.5}px`;trail.style.opacity = '0';trail.style.transition = `opacity 0.5s ease, transform 0.5s ease`;trail.style.transform = 'translate(-50%, -50%) scale(0)';// 隨機顏色const color = colors[Math.floor(Math.random() * colors.length)];trail.style.backgroundColor = color.replace('0.5', '0.8');trailContainer.appendChild(trail);trailElements.push(trail);}
這里我們創建了 20 個圓形元素作為拖尾,每個都有不同的大小和隨機顏色。通過 CSS 過渡效果實現淡入淡出和縮放動畫。
當然大家可以在我代碼的基礎上進一步優化,比如說,可以調整blobCount
參數改變背景中液態 blob 的數量或者修改拖尾元素的數量和動畫參數以獲得不同的交互效果,當然又或者去擴展顏色數組以添加更多顏色選項。
完整源代碼:
<!DOCTYPE html>
<html lang="zh-CN">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>液態交互效果網頁</title><script src="https://cdn.tailwindcss.com"></script><link href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css" rel="stylesheet"><script>tailwind.config = {theme: {extend: {colors: {primary: '#3B82F6',secondary: '#8B5CF6',accent: '#EC4899',dark: '#1E293B',},fontFamily: {inter: ['Inter', 'sans-serif'],},},}}</script><style type="text/tailwindcss">@layer utilities {.content-auto {content-visibility: auto;}.liquid-blob {filter: url(#liquid);}.text-shadow {text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);}.animate-float {animation: float 6s ease-in-out infinite;}.animate-pulse-slow {animation: pulse 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;}}@keyframes float {0% { transform: translateY(0px); }50% { transform: translateY(-20px); }100% { transform: translateY(0px); }}</style>
</head>
<body class="font-inter bg-gradient-to-br from-dark to-gray-900 min-h-screen text-white overflow-x-hidden"><!-- 液態效果容器 --><div id="liquid-container" class="fixed inset-0 z-0"></div><!-- 拖尾效果容器 --><div id="trail-container" class="fixed inset-0 pointer-events-none z-10"></div><!-- 內容區域 --><main class="relative z-20 px-6 py-12 max-w-7xl mx-auto"><!-- 導航欄 --><nav class="flex justify-between items-center mb-20"><div class="text-2xl font-bold tracking-tight"><span class="text-primary">液態</span><span class="text-secondary">交互</span></div><div class="hidden md:flex space-x-8"><a href="#" class="hover:text-primary transition-colors duration-300">首頁</a><a href="#" class="hover:text-primary transition-colors duration-300">作品</a><a href="#" class="hover:text-primary transition-colors duration-300">關于</a><a href="#" class="hover:text-primary transition-colors duration-300">聯系</a></div><button class="md:hidden text-2xl"><i class="fa fa-bars"></i></button></nav><!-- 英雄區域 --><section class="text-center mb-24"><h1 class="text-[clamp(2.5rem,5vw,4rem)] font-bold mb-6 leading-tight text-shadow">探索<span class="text-primary">液態</span>與<span class="text-secondary">交互</span>的完美融合</h1><p class="text-lg md:text-xl text-gray-300 max-w-3xl mx-auto mb-10">當鼠標劃過屏幕,見證流動的視覺盛宴。每一次移動都創造獨特的液態軌跡,感受數字藝術與交互設計的奇妙結合。</p><button class="bg-gradient-to-r from-primary to-secondary px-8 py-3 rounded-full font-medium hover:shadow-lg hover:shadow-primary/20 transition-all duration-300 transform hover:scale-105">開始探索</button></section><!-- 特點展示 --><section class="grid grid-cols-1 md:grid-cols-3 gap-8 mb-24"><div class="bg-gray-800/50 backdrop-blur-md p-8 rounded-2xl border border-gray-700/50 hover:border-primary/30 transition-all duration-300 hover:shadow-xl hover:shadow-primary/5 group"><div class="w-16 h-16 bg-primary/20 rounded-full flex items-center justify-center mb-6 group-hover:bg-primary/30 transition-colors duration-300"><i class="fa fa-tint text-primary text-2xl"></i></div><h3 class="text-xl font-bold mb-3">流暢液態效果</h3><p class="text-gray-400">基于WebGL的高性能液態渲染,實現絲滑流暢的視覺體驗。</p></div><div class="bg-gray-800/50 backdrop-blur-md p-8 rounded-2xl border border-gray-700/50 hover:border-secondary/30 transition-all duration-300 hover:shadow-xl hover:shadow-secondary/5 group"><div class="w-16 h-16 bg-secondary/20 rounded-full flex items-center justify-center mb-6 group-hover:bg-secondary/30 transition-colors duration-300"><i class="fa fa-mouse-pointer text-secondary text-2xl"></i></div><h3 class="text-xl font-bold mb-3">鼠標跟隨交互</h3><p class="text-gray-400">智能算法分析鼠標軌跡,創造自然而富有創意的拖尾效果。</p></div><div class="bg-gray-800/50 backdrop-blur-md p-8 rounded-2xl border border-gray-700/50 hover:border-accent/30 transition-all duration-300 hover:shadow-xl hover:shadow-accent/5 group"><div class="w-16 h-16 bg-accent/20 rounded-full flex items-center justify-center mb-6 group-hover:bg-accent/30 transition-colors duration-300"><i class="fa fa-paint-brush text-accent text-2xl"></i></div><h3 class="text-xl font-bold mb-3">色彩動態融合</h3><p class="text-gray-400">多種漸變色系隨鼠標移動動態混合,創造無限可能的視覺效果。</p></div></section><!-- 示例展示 --><section class="mb-24"><h2 class="text-3xl font-bold mb-12 text-center">互動示例</h2><div class="grid grid-cols-1 md:grid-cols-2 gap-8"><div class="bg-gray-800/30 backdrop-blur-sm rounded-2xl overflow-hidden group"><div class="h-64 relative overflow-hidden"><div class="absolute inset-0 bg-gradient-to-r from-primary/30 to-secondary/30"></div><img src="https://picsum.photos/seed/liquid1/800/600" alt="液態交互效果示例" class="w-full h-full object-cover transition-transform duration-700 group-hover:scale-110"></div><div class="p-6"><h3 class="text-xl font-bold mb-2">流體粒子交互</h3><p class="text-gray-400">體驗粒子系統如何響應鼠標移動,創造流動的視覺效果。</p></div></div><div class="bg-gray-800/30 backdrop-blur-sm rounded-2xl overflow-hidden group"><div class="h-64 relative overflow-hidden"><div class="absolute inset-0 bg-gradient-to-r from-secondary/30 to-accent/30"></div><img src="https://picsum.photos/seed/liquid2/800/600" alt="液態色彩混合示例" class="w-full h-full object-cover transition-transform duration-700 group-hover:scale-110"></div><div class="p-6"><h3 class="text-xl font-bold mb-2">色彩融合藝術</h3><p class="text-gray-400">觀察不同顏色如何在鼠標移動時自然混合,形成獨特的視覺藝術。</p></div></div></div></section><!-- 頁腳 --><footer class="pt-12 pb-6 border-t border-gray-800"><div class="flex flex-col md:flex-row justify-between items-center"><div class="mb-6 md:mb-0"><div class="text-xl font-bold mb-2"><span class="text-primary">液態</span><span class="text-secondary">交互</span></div><p class="text-gray-500 text-sm">探索數字世界的流體之美</p></div><div class="flex space-x-6 mb-6 md:mb-0"><a href="#" class="text-gray-400 hover:text-primary transition-colors duration-300"><i class="fa fa-twitter"></i></a><a href="#" class="text-gray-400 hover:text-primary transition-colors duration-300"><i class="fa fa-instagram"></i></a><a href="#" class="text-gray-400 hover:text-primary transition-colors duration-300"><i class="fa fa-dribbble"></i></a><a href="#" class="text-gray-400 hover:text-primary transition-colors duration-300"><i class="fa fa-github"></i></a></div><div><p class="text-gray-500 text-sm">© 2025 液態交互. 保留所有權利.</p></div></div></footer></main><!-- 液態效果濾鏡 --><svg xmlns="http://www.w3.org/2000/svg" style="display: none;"><filter id="liquid"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" /><feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 18 -7" result="liquid" /><feComposite in="SourceGraphic" in2="liquid" operator="over" /></filter></svg><script>// 液態背景效果document.addEventListener('DOMContentLoaded', () => {// 創建液態背景const liquidContainer = document.getElementById('liquid-container');const liquidCanvas = document.createElement('canvas');liquidCanvas.id = 'liquid-canvas';liquidCanvas.className = 'absolute inset-0';liquidContainer.appendChild(liquidCanvas);const ctx = liquidCanvas.getContext('2d');// 設置Canvas尺寸function resizeCanvas() {liquidCanvas.width = window.innerWidth;liquidCanvas.height = window.innerHeight;}resizeCanvas();window.addEventListener('resize', resizeCanvas);// 液態效果參數const blobs = [];const blobCount = 8;const colors = ['rgba(59, 130, 246, 0.5)', // primary'rgba(139, 92, 246, 0.5)', // secondary'rgba(236, 72, 153, 0.5)' // accent];// 創建液滴for (let i = 0; i < blobCount; i++) {blobs.push({x: Math.random() * liquidCanvas.width,y: Math.random() * liquidCanvas.height,radius: 50 + Math.random() * 100,speedX: (Math.random() - 0.5) * 0.5,speedY: (Math.random() - 0.5) * 0.5,color: colors[Math.floor(Math.random() * colors.length)],rotation: Math.random() * Math.PI * 2,rotationSpeed: (Math.random() - 0.5) * 0.01});}// 動畫循環function animate() {ctx.clearRect(0, 0, liquidCanvas.width, liquidCanvas.height);// 繪制背景漸變const bgGradient = ctx.createLinearGradient(0, 0, liquidCanvas.width, liquidCanvas.height);bgGradient.addColorStop(0, '#1E293B');bgGradient.addColorStop(1, '#0F172A');ctx.fillStyle = bgGradient;ctx.fillRect(0, 0, liquidCanvas.width, liquidCanvas.height);// 繪制所有液滴ctx.save();ctx.filter = 'blur(40px)';blobs.forEach(blob => {// 更新位置和旋轉blob.x += blob.speedX;blob.y += blob.speedY;blob.rotation += blob.rotationSpeed;// 邊界檢查if (blob.x < -blob.radius) blob.x = liquidCanvas.width + blob.radius;if (blob.x > liquidCanvas.width + blob.radius) blob.x = -blob.radius;if (blob.y < -blob.radius) blob.y = liquidCanvas.height + blob.radius;if (blob.y > liquidCanvas.height + blob.radius) blob.y = -blob.radius;// 繪制液滴ctx.beginPath();ctx.fillStyle = blob.color;// 創建一個不規則形狀const points = 8;ctx.moveTo(blob.x + blob.radius * Math.cos(blob.rotation),blob.y + blob.radius * Math.sin(blob.rotation));for (let i = 1; i < points; i++) {const angle = blob.rotation + (i * Math.PI * 2) / points;const distance = blob.radius * (0.8 + 0.4 * Math.sin(i * 1.5 + blob.rotation * 0.5));ctx.lineTo(blob.x + distance * Math.cos(angle),blob.y + distance * Math.sin(angle));}ctx.closePath();ctx.fill();});ctx.restore();requestAnimationFrame(animate);}animate();// 鼠標拖尾效果const trailContainer = document.getElementById('trail-container');const trailElements = [];const maxTrailElements = 20;// 創建拖尾元素for (let i = 0; i < maxTrailElements; i++) {const trail = document.createElement('div');trail.className = 'absolute rounded-full liquid-blob';trail.style.width = `${10 + i * 1.5}px`;trail.style.height = `${10 + i * 1.5}px`;trail.style.opacity = '0';trail.style.transition = `opacity 0.5s ease, transform 0.5s ease`;trail.style.transform = 'translate(-50%, -50%) scale(0)';// 隨機顏色const color = colors[Math.floor(Math.random() * colors.length)];trail.style.backgroundColor = color.replace('0.5', '0.8');trailContainer.appendChild(trail);trailElements.push(trail);}// 鼠標移動事件let lastX = 0;let lastY = 0;document.addEventListener('mousemove', (e) => {const x = e.clientX;const y = e.clientY;// 計算移動速度const speed = Math.sqrt(Math.pow(x - lastX, 2) + Math.pow(y - lastY, 2));lastX = x;lastY = y;// 更新拖尾元素trailElements.forEach((trail, index) => {const delay = index * 0.05;setTimeout(() => {trail.style.left = `${x}px`;trail.style.top = `${y}px`;trail.style.opacity = '1';trail.style.transform = `translate(-50%, -50%) scale(${1 - index * 0.05})`;// 淡出效果setTimeout(() => {trail.style.opacity = '0';trail.style.transform = 'translate(-50%, -50%) scale(0)';}, 300);}, delay * 100);});});// 觸摸設備支持document.addEventListener('touchmove', (e) => {if (e.touches.length > 0) {const touch = e.touches[0];const x = touch.clientX;const y = touch.clientY;// 模擬鼠標移動事件const mouseEvent = new MouseEvent('mousemove', {clientX: x,clientY: y});document.dispatchEvent(mouseEvent);// 防止頁面滾動e.preventDefault();}}, { passive: false });});</script>
</body>
</html>