html表白代码

一.引言

我们可以用一下好看的网页来表白，下面就有我觉得很有趣的表白代码。评论直接找我要源码也行。(收藏➕点赞)

二.表白效果展示

1.惊喜表白

在这里插入图片描述

2.烟花表白

在这里插入图片描述

源码：新建一个文本文档，改后缀名为html，直接双击就行了。（修改中间的字，在代码里有注释，是汉字注释），如果你的有问题，那就直接下载我的源码文件就行。

<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>surprised</title>
<link rel="stylesheet" href="css/style.css">
<style>
body {margin: 0;background: black;
}
canvas {position: absolute;
}
</style>
</head>
<body>
<canvas></canvas>
<canvas></canvas>
<canvas></canvas>
<script type="text/javascript">// CLASSES
class Shard {constructor(x, y, hue) {this.x = x;this.y = y;this.hue = hue;this.lightness = 50;this.size = 15 + Math.random() * 10;const angle = Math.random() * 2 * Math.PI;const blastSpeed = 1 + Math.random() * 6;this.xSpeed = Math.cos(angle) * blastSpeed;this.ySpeed = Math.sin(angle) * blastSpeed;this.target = getTarget();this.ttl = 100;this.timer = 0;}draw() {ctx2.fillStyle = `hsl(${this.hue}, 100%, ${this.lightness}%)`;ctx2.beginPath();ctx2.arc(this.x, this.y, this.size, 0, 2 * Math.PI);ctx2.closePath();ctx2.fill();}update() {if (this.target) {const dx = this.target.x - this.x;const dy = this.target.y - this.y;const dist = Math.sqrt(dx * dx + dy * dy);const a = Math.atan2(dy, dx);const tx = Math.cos(a) * 5;const ty = Math.sin(a) * 5;this.size = lerp(this.size, 1.5, 0.05);if (dist < 5) {this.lightness = lerp(this.lightness, 100, 0.01);this.xSpeed = this.ySpeed = 0;this.x = lerp(this.x, this.target.x + fidelity / 2, 0.05);this.y = lerp(this.y, this.target.y + fidelity / 2, 0.05);this.timer += 1;} elseif (dist < 10) {this.lightness = lerp(this.lightness, 100, 0.01);this.xSpeed = lerp(this.xSpeed, tx, 0.1);this.ySpeed = lerp(this.ySpeed, ty, 0.1);this.timer += 1;} else{this.xSpeed = lerp(this.xSpeed, tx, 0.02);this.ySpeed = lerp(this.ySpeed, ty, 0.02);}} else{this.ySpeed += 0.05;//this.xSpeed = lerp(this.xSpeed, 0, 0.1);this.size = lerp(this.size, 1, 0.05);if (this.y > c2.height) {shards.forEach((shard, idx) => {if (shard === this) {shards.splice(idx, 1);}});}}this.x = this.x + this.xSpeed;this.y = this.y + this.ySpeed;}}class Rocket {constructor() {const quarterW = c2.width / 4;this.x = quarterW + Math.random() * (c2.width - quarterW);this.y = c2.height - 15;this.angle = Math.random() * Math.PI / 4 - Math.PI / 6;this.blastSpeed = 6 + Math.random() * 7;this.shardCount = 15 + Math.floor(Math.random() * 15);this.xSpeed = Math.sin(this.angle) * this.blastSpeed;this.ySpeed = -Math.cos(this.angle) * this.blastSpeed;this.hue = Math.floor(Math.random() * 360);this.trail = [];}draw() {ctx2.save();ctx2.translate(this.x, this.y);ctx2.rotate(Math.atan2(this.ySpeed, this.xSpeed) + Math.PI / 2);ctx2.fillStyle = `hsl(${this.hue}, 100%, 50%)`;ctx2.fillRect(0, 0, 5, 15);ctx2.restore();}update() {this.x = this.x + this.xSpeed;this.y = this.y + this.ySpeed;this.ySpeed += 0.1;}explode() {for (let i = 0; i < 70; i++) {shards.push(new Shard(this.x, this.y, this.hue));}}}// INITIALIZATION
const [c1, c2, c3] = document.querySelectorAll('canvas');
const [ctx1, ctx2, ctx3] = [c1, c2, c3].map(c => c.getContext('2d'));
let fontSize = 200;
const rockets = [];
const shards = [];
const targets = [];
const fidelity = 3;
let counter = 0;
c2.width = c3.width = window.innerWidth;
c2.height = c3.height = window.innerHeight;
ctx1.fillStyle = '#000';//中间的字改这里
const text = '鸡你太美';   let textWidth = 99999999;while (textWidth > window.innerWidth) {ctx1.font = `900 ${fontSize--}px Arial`;textWidth = ctx1.measureText(text).width;
}c1.width = textWidth;
c1.height = fontSize * 1.5;
ctx1.font = `900 ${fontSize}px Arial`;
ctx1.fillText(text, 0, fontSize);
const imgData = ctx1.getImageData(0, 0, c1.width, c1.height);
for (let i = 0, max = imgData.data.length; i < max; i += 4) {const alpha = imgData.data[i + 3];const x = Math.floor(i / 4) % imgData.width;const y = Math.floor(i / 4 / imgData.width);if (alpha && x % fidelity === 0 && y % fidelity === 0) {targets.push({ x, y });}
}//这里是修改字的颜色
ctx3.fillStyle = '#FFF';ctx3.shadowColor = '#FFF';
ctx3.shadowBlur = 25;// ANIMATION LOOP
(function loop() {ctx2.fillStyle = "rgba(0, 0, 0, .1)";ctx2.fillRect(0, 0, c2.width, c2.height);//ctx2.clearRect(0, 0, c2.width, c2.height);counter += 1;if (counter % 15 === 0) {rockets.push(new Rocket());}rockets.forEach((r, i) => {r.draw();r.update();if (r.ySpeed > 0) {r.explode();rockets.splice(i, 1);}});shards.forEach((s, i) => {s.draw();s.update();if (s.timer >= s.ttl || s.lightness >= 99) {ctx3.fillRect(s.target.x, s.target.y, fidelity + 1, fidelity + 1);shards.splice(i, 1);}});requestAnimationFrame(loop);
})();// HELPER FUNCTIONS
const lerp = (a, b, t) => Math.abs(b - a) > 0.1 ? a + t * (b - a) : b;function getTarget() {if (targets.length > 0) {const idx = Math.floor(Math.random() * targets.length);let { x, y } = targets[idx];targets.splice(idx, 1);x += c2.width / 2 - textWidth / 2;y += c2.height / 2 - fontSize / 2;return { x, y };}
}
</script>
</body>
</html>