<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>蜘蛛网特效</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
background-color: #111;
min-height: 100vh;
overflow: hidden;
font-family: 'Arial', sans-serif;
color: #ddd;
}
.container {
position: relative;
width: 100%;
height: 100vh;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 10;
text-align: center;
padding: 20px;
}
h1 {
font-size: 3rem;
margin-bottom: 20px;
color: #f0f0f0;
text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}
p {
font-size: 1.2rem;
margin-bottom: 30px;
color: #aaa;
max-width: 600px;
line-height: 1.6;
}
.link-btn {
display: inline-block;
padding: 12px 30px;
background: linear-gradient(45deg, #8b0000, #660000);
color: white;
text-decoration: none;
border-radius: 50px;
font-weight: bold;
font-size: 1.1rem;
transition: all 0.3s ease;
box-shadow: 0 5px 15px rgba(139, 0, 0, 0.4);
margin-top: 20px;
}
.link-btn:hover {
transform: translateY(-3px);
box-shadow: 0 8px 25px rgba(139, 0, 0, 0.6);
}
.footer {
position: fixed;
bottom: 20px;
width: 100%;
text-align: center;
color: #666;
font-size: 0.9rem;
z-index: 10;
}
.footer a {
color: #8b0000;
text-decoration: none;
font-weight: bold;
}
.footer a:hover {
text-decoration: underline;
}
/* 蜘蛛网样式 */
.web {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.web-line {
position: absolute;
background: rgba(200, 200, 200, 0.3);
transform-origin: center center;
}
/* 蜘蛛样式 */
.spider {
position: absolute;
z-index: 2;
transition: all 0.5s ease;
}
/* 蜘蛛网震动动画 */
@keyframes web-shake {
0%, 100% {
transform: translate(0, 0);
}
25% {
transform: translate(-2px, -2px);
}
50% {
transform: translate(2px, 2px);
}
75% {
transform: translate(-1px, 1px);
}
}
/* 点击效果 */
.click-effect {
position: absolute;
border-radius: 50%;
background: rgba(255, 255, 255, 0.2);
transform: translate(-50%, -50%);
pointer-events: none;
animation: ripple 1s ease-out forwards;
z-index: 3;
}
@keyframes ripple {
0% {
width: 0;
height: 0;
opacity: 0.8;
}
100% {
width: 200px;
height: 200px;
opacity: 0;
}
}
</style>
</head>
<body>
<div class="container">
<h1>蜘蛛网特效</h1>
<p>这是一个逼真的蜘蛛网特效,蜘蛛会在网上随机爬行,点击页面会使蜘蛛网震动!</p>
</div>
<div class="footer">
</div>
<script>
// 创建蜘蛛网
function createSpiderWeb() {
const web = document.createElement('div');
web.className = 'web';
document.body.appendChild(web);
const centerX = window.innerWidth / 2;
const centerY = window.innerHeight / 2;
const radius = Math.min(centerX, centerY) * 0.8;
const lineCount = 12;
const circleCount = 5;
// 创建辐射线
for (let i = 0; i < lineCount; i++) {
const angle = (i / lineCount) * Math.PI * 2;
const endX = centerX + Math.cos(angle) * radius;
const endY = centerY + Math.sin(angle) * radius;
const line = document.createElement('div');
line.className = 'web-line';
const length = Math.sqrt(Math.pow(endX - centerX, 2) + Math.pow(endY - centerY, 2));
const lineAngle = Math.atan2(endY - centerY, endX - centerX) * 180 / Math.PI;
line.style.width = `${length}px`;
line.style.height = '1px';
line.style.left = `${centerX}px`;
line.style.top = `${centerY}px`;
line.style.transform = `rotate(${lineAngle}deg)`;
web.appendChild(line);
}
// 创建同心圆
for (let i = 1; i <= circleCount; i++) {
const circleRadius = radius * (i / circleCount);
const circle = document.createElement('div');
circle.className = 'web-line';
circle.style.width = `${circleRadius * 2}px`;
circle.style.height = `${circleRadius * 2}px`;
circle.style.left = `${centerX - circleRadius}px`;
circle.style.top = `${centerY - circleRadius}px`;
circle.style.borderRadius = '50%';
circle.style.border = '1px solid rgba(200, 200, 200, 0.3)';
web.appendChild(circle);
}
return web;
}
// 创建蜘蛛
function createSpider(web) {
const spider = document.createElement('div');
spider.className = 'spider';
spider.innerHTML = '🕷️';
spider.style.fontSize = '24px';
document.body.appendChild(spider);
// 初始位置在网中心
const centerX = window.innerWidth / 2;
const centerY = window.innerHeight / 2;
spider.style.left = `${centerX}px`;
spider.style.top = `${centerY}px`;
// 蜘蛛移动函数
function moveSpider() {
const radius = Math.min(centerX, centerY) * 0.8;
const angle = Math.random() * Math.PI * 2;
const distance = Math.random() * radius;
const targetX = centerX + Math.cos(angle) * distance;
const targetY = centerY + Math.sin(angle) * distance;
spider.style.left = `${targetX}px`;
spider.style.top = `${targetY}px`;
// 随机决定下次移动时间
setTimeout(moveSpider, Math.random() * 3000 + 2000);
}
// 开始移动
setTimeout(moveSpider, 1000);
return spider;
}
// 点击效果
function createClickEffect(x, y) {
const effect = document.createElement('div');
effect.className = 'click-effect';
effect.style.left = `${x}px`;
effect.style.top = `${y}px`;
document.body.appendChild(effect);
setTimeout(() => {
effect.remove();
}, 1000);
}
// 初始化特效
window.addEventListener('load', () => {
const web = createSpiderWeb();
const spider = createSpider(web);
// 点击震动蜘蛛网
document.addEventListener('click', (e) => {
createClickEffect(e.clientX, e.clientY);
// 震动蜘蛛网
web.style.animation = 'web-shake 0.5s';
setTimeout(() => {
web.style.animation = '';
}, 500);
// 蜘蛛受到惊吓移动
const angle = Math.atan2(e.clientY - parseFloat(spider.style.top),
e.clientX - parseFloat(spider.style.left));
const distance = 50;
const newX = parseFloat(spider.style.left) + Math.cos(angle + Math.PI) * distance;
const newY = parseFloat(spider.style.top) + Math.sin(angle + Math.PI) * distance;
spider.style.left = `${newX}px`;
spider.style.top = `${newY}px`;
});
});
// 响应窗口大小变化
window.addEventListener('resize', () => {
document.querySelector('.web')?.remove();
document.querySelector('.spider')?.remove();
const web = createSpiderWeb();
createSpider(web);
});
</script>
</body>
</html>
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