黑客帝国文字雨矩阵动画特效-优快云博客

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>黑客帝国文字雨矩阵动画特效</title>
<style>
body {
margin: 0;
padding: 0;
background-color: black;
overflow: hidden;
}

canvas {
display: block;
}
</style>
</head>

<body>
<canvas id="matrix"></canvas>
<script>
const canvas = document.getElementById('matrix');
const ctx = canvas.getContext('2d');

// 设置画布大小
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;

// 字符集
const characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()_+-=[]{}|;:\",./<>?www.945.monster';
const charArray = characters.split('');

const fontSize = 16;
const columns = canvas.width / fontSize;

const drops = [];
for (let x = 0; x < columns; x++) {
drops[x] = 1;
}

function draw() {
ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
ctx.fillRect(0, 0, canvas.width, canvas.height);

ctx.fillStyle = '#0F0';
ctx.font = fontSize + 'px monospace';

for (let i = 0; i < drops.length; i++) {
const text = charArray[Math.floor(Math.random() * charArray.length)];
ctx.fillText(text, i * fontSize, drops[i] * fontSize);

if (drops[i] * fontSize > canvas.height && Math.random() > 0.975) {
drops[i] = 0;
}
drops[i]++;
}
}

setInterval(draw, 33);
</script>
</body>

</html>